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-rw-r--r--spec/ruby/core/comparable/clamp_spec.rb70
-rw-r--r--spec/ruby/core/enumerable/shared/inject.rb2
-rw-r--r--spec/ruby/core/hash/compact_spec.rb2
-rw-r--r--spec/ruby/core/hash/constructor_spec.rb11
-rw-r--r--spec/ruby/core/hash/except_spec.rb28
-rw-r--r--spec/ruby/core/hash/invert_spec.rb21
-rw-r--r--spec/ruby/core/hash/merge_spec.rb23
-rw-r--r--spec/ruby/core/hash/reject_spec.rb21
-rw-r--r--spec/ruby/core/hash/replace_spec.rb53
-rw-r--r--spec/ruby/core/hash/shared/select.rb21
-rw-r--r--spec/ruby/core/hash/slice_spec.rb21
-rw-r--r--spec/ruby/core/hash/to_h_spec.rb28
-rw-r--r--spec/ruby/core/hash/transform_keys_spec.rb21
-rw-r--r--spec/ruby/core/hash/transform_values_spec.rb21
-rw-r--r--spec/ruby/core/io/buffer/empty_spec.rb29
-rw-r--r--spec/ruby/core/io/buffer/external_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/free_spec.rb104
-rw-r--r--spec/ruby/core/io/buffer/initialize_spec.rb103
-rw-r--r--spec/ruby/core/io/buffer/internal_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/locked_spec.rb75
-rw-r--r--spec/ruby/core/io/buffer/mapped_spec.rb108
-rw-r--r--spec/ruby/core/io/buffer/null_spec.rb29
-rw-r--r--spec/ruby/core/io/buffer/private_spec.rb111
-rw-r--r--spec/ruby/core/io/buffer/readonly_spec.rb143
-rw-r--r--spec/ruby/core/io/buffer/resize_spec.rb155
-rw-r--r--spec/ruby/core/io/buffer/shared/null_and_empty.rb59
-rw-r--r--spec/ruby/core/io/buffer/shared_spec.rb117
-rw-r--r--spec/ruby/core/io/buffer/transfer_spec.rb118
-rw-r--r--spec/ruby/core/io/buffer/valid_spec.rb119
-rw-r--r--spec/ruby/core/kernel/Float_spec.rb4
-rw-r--r--spec/ruby/core/kernel/autoload_spec.rb5
-rw-r--r--spec/ruby/core/matchdata/bytebegin_spec.rb132
-rw-r--r--spec/ruby/core/matchdata/byteend_spec.rb104
-rw-r--r--spec/ruby/core/matchdata/offset_spec.rb106
-rw-r--r--spec/ruby/core/module/const_added_spec.rb2
-rw-r--r--spec/ruby/core/module/const_source_location_spec.rb10
-rw-r--r--spec/ruby/core/module/name_spec.rb1
-rw-r--r--spec/ruby/core/module/set_temporary_name_spec.rb1
-rw-r--r--spec/ruby/core/random/new_spec.rb2
39 files changed, 2135 insertions, 61 deletions
diff --git a/spec/ruby/core/comparable/clamp_spec.rb b/spec/ruby/core/comparable/clamp_spec.rb
index 796d4a18c1..cc1df977e2 100644
--- a/spec/ruby/core/comparable/clamp_spec.rb
+++ b/spec/ruby/core/comparable/clamp_spec.rb
@@ -24,7 +24,7 @@ describe 'Comparable#clamp' do
c.clamp(two, three).should equal(c)
end
- it 'returns the min parameter if smaller than it' do
+ it 'returns the min parameter if less than it' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
c = ComparableSpecs::Weird.new(0)
@@ -52,7 +52,7 @@ describe 'Comparable#clamp' do
c.clamp(two..three).should equal(c)
end
- it 'returns the minimum value of the range parameters if smaller than it' do
+ it 'returns the minimum value of the range parameters if less than it' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
c = ComparableSpecs::Weird.new(0)
@@ -75,4 +75,70 @@ describe 'Comparable#clamp' do
-> { c.clamp(one...two) }.should raise_error(ArgumentError)
end
+
+ context 'with endless range' do
+ it 'returns minimum value of the range parameters if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(one..).should equal(one)
+ c.clamp(zero..).should equal(c)
+ end
+
+ it 'always returns self if greater than minimum value of the range parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one..).should equal(c)
+ c.clamp(two..).should equal(c)
+ end
+
+ it 'works with exclusive range' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one...).should equal(c)
+ end
+ end
+
+ context 'with beginless range' do
+ it 'returns maximum value of the range parameters if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(..one).should equal(one)
+ end
+
+ it 'always returns self if less than maximum value of the range parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(..one).should equal(c)
+ c.clamp(..zero).should equal(c)
+ end
+
+ it 'raises an Argument error if the range parameter is exclusive' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(0)
+
+ -> { c.clamp(...one) }.should raise_error(ArgumentError)
+ end
+ end
+
+ context 'with beginless-and-endless range' do
+ it 'always returns self' do
+ c = ComparableSpecs::Weird.new(1)
+
+ c.clamp(nil..nil).should equal(c)
+ end
+
+ it 'works with exclusive range' do
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(nil...nil).should equal(c)
+ end
+ end
end
diff --git a/spec/ruby/core/enumerable/shared/inject.rb b/spec/ruby/core/enumerable/shared/inject.rb
index aae9e06c97..8fb7e98c2b 100644
--- a/spec/ruby/core/enumerable/shared/inject.rb
+++ b/spec/ruby/core/enumerable/shared/inject.rb
@@ -103,7 +103,7 @@ describe :enumerable_inject, shared: true do
it "without inject arguments(legacy rubycon)" do
# no inject argument
- EnumerableSpecs::EachDefiner.new(2).send(@method) {|acc,x| 999 } .should == 2
+ EnumerableSpecs::EachDefiner.new(2).send(@method) {|acc,x| 999 }.should == 2
EnumerableSpecs::EachDefiner.new(2).send(@method) {|acc,x| acc }.should == 2
EnumerableSpecs::EachDefiner.new(2).send(@method) {|acc,x| x }.should == 2
diff --git a/spec/ruby/core/hash/compact_spec.rb b/spec/ruby/core/hash/compact_spec.rb
index 76aa43949d..13371bce43 100644
--- a/spec/ruby/core/hash/compact_spec.rb
+++ b/spec/ruby/core/hash/compact_spec.rb
@@ -35,7 +35,7 @@ describe "Hash#compact" do
hash.compact.default_proc.should == pr
end
- it "retains compare_by_identity_flag" do
+ it "retains compare_by_identity flag" do
hash = {}.compare_by_identity
hash.compact.compare_by_identity?.should == true
hash[:a] = 1
diff --git a/spec/ruby/core/hash/constructor_spec.rb b/spec/ruby/core/hash/constructor_spec.rb
index 8d29773909..0f97f7b40e 100644
--- a/spec/ruby/core/hash/constructor_spec.rb
+++ b/spec/ruby/core/hash/constructor_spec.rb
@@ -103,14 +103,14 @@ describe "Hash.[]" do
HashSpecs::MyInitializerHash[Hash[1, 2]].should be_an_instance_of(HashSpecs::MyInitializerHash)
end
- it "removes the default value" do
+ it "does not retain the default value" do
hash = Hash.new(1)
Hash[hash].default.should be_nil
hash[:a] = 1
Hash[hash].default.should be_nil
end
- it "removes the default_proc" do
+ it "does not retain the default_proc" do
hash = Hash.new { |h, k| h[k] = [] }
Hash[hash].default_proc.should be_nil
hash[:a] = 1
@@ -118,10 +118,11 @@ describe "Hash.[]" do
end
ruby_version_is '3.3' do
- it "does not retain compare_by_identity_flag" do
- hash = {}.compare_by_identity
+ it "does not retain compare_by_identity flag" do
+ hash = { a: 1 }.compare_by_identity
Hash[hash].compare_by_identity?.should == false
- hash[:a] = 1
+
+ hash = {}.compare_by_identity
Hash[hash].compare_by_identity?.should == false
end
end
diff --git a/spec/ruby/core/hash/except_spec.rb b/spec/ruby/core/hash/except_spec.rb
index ac84f9975c..026e454b13 100644
--- a/spec/ruby/core/hash/except_spec.rb
+++ b/spec/ruby/core/hash/except_spec.rb
@@ -19,14 +19,24 @@ describe "Hash#except" do
@hash.except(:a, :chunky_bacon).should == { b: 2, c: 3 }
end
- it "always returns a Hash without a default" do
- klass = Class.new(Hash)
- h = klass.new(:default)
- h[:bar] = 12
- h[:foo] = 42
- r = h.except(:foo)
- r.should == {bar: 12}
- r.class.should == Hash
- r.default.should == nil
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.except(:a).default.should be_nil
+ h[:a] = 1
+ h.except(:a).default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.except(:a).default_proc.should be_nil
+ h[:a] = 1
+ h.except(:a).default_proc.should be_nil
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.except(:a)
+ h2.compare_by_identity?.should == true
end
end
diff --git a/spec/ruby/core/hash/invert_spec.rb b/spec/ruby/core/hash/invert_spec.rb
index 73377a9e97..c06e15ff7c 100644
--- a/spec/ruby/core/hash/invert_spec.rb
+++ b/spec/ruby/core/hash/invert_spec.rb
@@ -24,4 +24,25 @@ describe "Hash#invert" do
HashSpecs::MyHash[1 => 2, 3 => 4].invert.class.should == Hash
HashSpecs::MyHash[].invert.class.should == Hash
end
+
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.invert.default.should be_nil
+ h[:a] = 1
+ h.invert.default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.invert.default_proc.should be_nil
+ h[:a] = 1
+ h.invert.default_proc.should be_nil
+ end
+
+ it "does not retain compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.invert
+ h2.compare_by_identity?.should == false
+ end
end
diff --git a/spec/ruby/core/hash/merge_spec.rb b/spec/ruby/core/hash/merge_spec.rb
index 5521864297..6710d121ef 100644
--- a/spec/ruby/core/hash/merge_spec.rb
+++ b/spec/ruby/core/hash/merge_spec.rb
@@ -93,6 +93,29 @@ describe "Hash#merge" do
merged.should eql(hash)
merged.should_not equal(hash)
end
+
+ it "retains the default value" do
+ h = Hash.new(1)
+ h.merge(b: 1, d: 2).default.should == 1
+ end
+
+ it "retains the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.merge(b: 1, d: 2).default_proc.should == pr
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.merge(b: 1, d: 2)
+ h2.compare_by_identity?.should == true
+ end
+
+ it "ignores compare_by_identity flag of an argument" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = { b: 1, d: 2 }.merge(h)
+ h2.compare_by_identity?.should == false
+ end
end
describe "Hash#merge!" do
diff --git a/spec/ruby/core/hash/reject_spec.rb b/spec/ruby/core/hash/reject_spec.rb
index dd8e817237..8381fc7fc1 100644
--- a/spec/ruby/core/hash/reject_spec.rb
+++ b/spec/ruby/core/hash/reject_spec.rb
@@ -44,6 +44,27 @@ describe "Hash#reject" do
reject_pairs.should == reject_bang_pairs
end
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.reject { false }.default.should be_nil
+ h[:a] = 1
+ h.reject { false }.default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.reject { false }.default_proc.should be_nil
+ h[:a] = 1
+ h.reject { false }.default_proc.should be_nil
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.reject { |k, _| k == :a }
+ h2.compare_by_identity?.should == true
+ end
+
it_behaves_like :hash_iteration_no_block, :reject
it_behaves_like :enumeratorized_with_origin_size, :reject, { 1 => 2, 3 => 4, 5 => 6 }
end
diff --git a/spec/ruby/core/hash/replace_spec.rb b/spec/ruby/core/hash/replace_spec.rb
index a26a31f5f9..db30145e1a 100644
--- a/spec/ruby/core/hash/replace_spec.rb
+++ b/spec/ruby/core/hash/replace_spec.rb
@@ -23,39 +23,48 @@ describe "Hash#replace" do
h.should == { 1 => 2 }
end
- it "transfers the compare_by_identity flag" do
- hash_a = { a: 1 }
- hash_b = { b: 2 }
- hash_b.compare_by_identity
- hash_a.should_not.compare_by_identity?
- hash_a.replace(hash_b)
- hash_a.should.compare_by_identity?
+ it "does not retain the default value" do
+ hash = Hash.new(1)
+ hash.replace(b: 2).default.should be_nil
+ end
- hash_a = { a: 1 }
- hash_b = { b: 2 }
- hash_a.compare_by_identity
- hash_a.should.compare_by_identity?
- hash_a.replace(hash_b)
- hash_a.should_not.compare_by_identity?
+ it "transfers the default value of an argument" do
+ hash = Hash.new(1)
+ { a: 1 }.replace(hash).default.should == 1
end
- it "does not transfer default values" do
- hash_a = {}
- hash_b = Hash.new(5)
- hash_a.replace(hash_b)
- hash_a.default.should == 5
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ hash = Hash.new(&pr)
+ hash.replace(b: 2).default_proc.should be_nil
+ end
- hash_a = {}
- hash_b = Hash.new { |h, k| k * 2 }
- hash_a.replace(hash_b)
- hash_a.default(5).should == 10
+ it "transfers the default_proc of an argument" do
+ pr = proc { |h, k| h[k] = [] }
+ hash = Hash.new(&pr)
+ { a: 1 }.replace(hash).default_proc.should == pr
+ end
+ it "does not call the default_proc of an argument" do
hash_a = Hash.new { |h, k| k * 5 }
hash_b = Hash.new(-> { raise "Should not invoke lambda" })
hash_a.replace(hash_b)
hash_a.default.should == hash_b.default
end
+ it "transfers compare_by_identity flag of an argument" do
+ h = { a: 1, c: 3 }
+ h2 = { b: 2, d: 4 }.compare_by_identity
+ h.replace(h2)
+ h.compare_by_identity?.should == true
+ end
+
+ it "does not retain compare_by_identity flag" do
+ h = { a: 1, c: 3 }.compare_by_identity
+ h.replace(b: 2, d: 4)
+ h.compare_by_identity?.should == false
+ end
+
it "raises a FrozenError if called on a frozen instance that would not be modified" do
-> do
HashSpecs.frozen_hash.replace(HashSpecs.frozen_hash)
diff --git a/spec/ruby/core/hash/shared/select.rb b/spec/ruby/core/hash/shared/select.rb
index 5170af50d6..fbeff07330 100644
--- a/spec/ruby/core/hash/shared/select.rb
+++ b/spec/ruby/core/hash/shared/select.rb
@@ -40,6 +40,27 @@ describe :hash_select, shared: true do
@empty.send(@method).should be_an_instance_of(Enumerator)
end
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.send(@method) { true }.default.should be_nil
+ h[:a] = 1
+ h.send(@method) { true }.default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.send(@method) { true }.default_proc.should be_nil
+ h[:a] = 1
+ h.send(@method) { true }.default_proc.should be_nil
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.send(@method) { |k, _| k == :a }
+ h2.compare_by_identity?.should == true
+ end
+
it_should_behave_like :hash_iteration_no_block
before :each do
diff --git a/spec/ruby/core/hash/slice_spec.rb b/spec/ruby/core/hash/slice_spec.rb
index e3046d83d7..4fcc01f9a6 100644
--- a/spec/ruby/core/hash/slice_spec.rb
+++ b/spec/ruby/core/hash/slice_spec.rb
@@ -50,4 +50,25 @@ describe "Hash#slice" do
ScratchPad.recorded.should == []
end
+
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.slice(:a).default.should be_nil
+ h[:a] = 1
+ h.slice(:a).default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.slice(:a).default_proc.should be_nil
+ h[:a] = 1
+ h.slice(:a).default_proc.should be_nil
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.slice(:a)
+ h2.compare_by_identity?.should == true
+ end
end
diff --git a/spec/ruby/core/hash/to_h_spec.rb b/spec/ruby/core/hash/to_h_spec.rb
index e17ca7e671..f84fd7b503 100644
--- a/spec/ruby/core/hash/to_h_spec.rb
+++ b/spec/ruby/core/hash/to_h_spec.rb
@@ -19,17 +19,22 @@ describe "Hash#to_h" do
@h[:foo].should == :bar
end
- it "copies the default" do
+ it "retains the default" do
@h.default = 42
@h.to_h.default.should == 42
@h[:hello].should == 42
end
- it "copies the default_proc" do
+ it "retains the default_proc" do
@h.default_proc = prc = Proc.new{ |h, k| h[k] = 2 * k }
@h.to_h.default_proc.should == prc
@h[42].should == 84
end
+
+ it "retains compare_by_identity flag" do
+ @h.compare_by_identity
+ @h.to_h.compare_by_identity?.should == true
+ end
end
context "with block" do
@@ -78,5 +83,24 @@ describe "Hash#to_h" do
{ a: 1 }.to_h { |k| x }
end.should raise_error(TypeError, /wrong element type MockObject/)
end
+
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h2 = h.to_h { |k, v| [k.to_s, v*v]}
+ h2.default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h2 = h.to_h { |k, v| [k.to_s, v*v]}
+ h2.default_proc.should be_nil
+ end
+
+ it "does not retain compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.to_h { |k, v| [k.to_s, v*v]}
+ h2.compare_by_identity?.should == false
+ end
end
end
diff --git a/spec/ruby/core/hash/transform_keys_spec.rb b/spec/ruby/core/hash/transform_keys_spec.rb
index f63d39ecc8..e2eeab1813 100644
--- a/spec/ruby/core/hash/transform_keys_spec.rb
+++ b/spec/ruby/core/hash/transform_keys_spec.rb
@@ -54,6 +54,27 @@ describe "Hash#transform_keys" do
it "allows a combination of hash and block argument" do
@hash.transform_keys({ a: :A }, &:to_s).should == { A: 1, 'b' => 2, 'c' => 3 }
end
+
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.transform_keys(&:succ).default.should be_nil
+ h[:a] = 1
+ h.transform_keys(&:succ).default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.transform_values(&:succ).default_proc.should be_nil
+ h[:a] = 1
+ h.transform_values(&:succ).default_proc.should be_nil
+ end
+
+ it "does not retain compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.transform_keys(&:succ)
+ h2.compare_by_identity?.should == false
+ end
end
describe "Hash#transform_keys!" do
diff --git a/spec/ruby/core/hash/transform_values_spec.rb b/spec/ruby/core/hash/transform_values_spec.rb
index acb469416a..4a0ae8a5a5 100644
--- a/spec/ruby/core/hash/transform_values_spec.rb
+++ b/spec/ruby/core/hash/transform_values_spec.rb
@@ -39,6 +39,27 @@ describe "Hash#transform_values" do
r[:foo].should == 84
r.class.should == Hash
end
+
+ it "does not retain the default value" do
+ h = Hash.new(1)
+ h.transform_values(&:succ).default.should be_nil
+ h[:a] = 1
+ h.transform_values(&:succ).default.should be_nil
+ end
+
+ it "does not retain the default_proc" do
+ pr = proc { |h, k| h[k] = [] }
+ h = Hash.new(&pr)
+ h.transform_values(&:succ).default_proc.should be_nil
+ h[:a] = 1
+ h.transform_values(&:succ).default_proc.should be_nil
+ end
+
+ it "retains compare_by_identity flag" do
+ h = { a: 9, c: 4 }.compare_by_identity
+ h2 = h.transform_values(&:succ)
+ h2.compare_by_identity?.should == true
+ end
end
describe "Hash#transform_values!" do
diff --git a/spec/ruby/core/io/buffer/empty_spec.rb b/spec/ruby/core/io/buffer/empty_spec.rb
new file mode 100644
index 0000000000..e1fd4ab6a2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/empty_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../../../spec_helper'
+require_relative 'shared/null_and_empty'
+
+describe "IO::Buffer#empty?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it_behaves_like :io_buffer_null_and_empty, :empty?
+
+ it "is true for a 0-length String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("")
+ @buffer.empty?.should be_true
+ end
+
+ ruby_version_is "3.3" do
+ it "is true for a 0-length String-backed buffer created with .string" do
+ IO::Buffer.string(0) do |buffer|
+ buffer.empty?.should be_true
+ end
+ end
+ end
+
+ it "is true for a 0-length slice of a buffer with size > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(3, 0).empty?.should be_true
+ end
+end
diff --git a/spec/ruby/core/io/buffer/external_spec.rb b/spec/ruby/core/io/buffer/external_spec.rb
new file mode 100644
index 0000000000..4377a38357
--- /dev/null
+++ b/spec/ruby/core/io/buffer/external_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#external?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.external?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.external?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.external?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.external?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is true for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.external?.should be_true
+ end
+
+ it "is true for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.external?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is true" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.external?.should be_true
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.external?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.external?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.external?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.external?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.external?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.external?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/free_spec.rb b/spec/ruby/core/io/buffer/free_spec.rb
new file mode 100644
index 0000000000..f3a4918978
--- /dev/null
+++ b/spec/ruby/core/io/buffer/free_spec.rb
@@ -0,0 +1,104 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#free" do
+ context "with a buffer created with .new" do
+ it "frees internal memory and nullifies the buffer" do
+ buffer = IO::Buffer.new(4)
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ it "frees mapped memory and nullifies the buffer" do
+ buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "frees mapped memory and nullifies the buffer" do
+ File.open(__FILE__, "r") do |file|
+ buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string = +"test"
+ buffer = IO::Buffer.for(string)
+ # Read-only buffer, can't modify the string.
+ buffer.free
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a block" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string = +"test"
+ IO::Buffer.for(string) do |buffer|
+ buffer.set_string("meat")
+ buffer.free
+ buffer.null?.should be_true
+ end
+ string.should == "meat"
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "disassociates the buffer from the string and nullifies the buffer" do
+ string =
+ IO::Buffer.string(4) do |buffer|
+ buffer.set_string("meat")
+ buffer.free
+ buffer.null?.should be_true
+ end
+ string.should == "meat"
+ end
+ end
+ end
+
+ it "can be called repeatedly without an error" do
+ buffer = IO::Buffer.new(4)
+ buffer.free
+ buffer.null?.should be_true
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ buffer = IO::Buffer.new(4)
+ buffer.locked do
+ -> { buffer.free }.should raise_error(IO::Buffer::LockedError, "Buffer is locked!")
+ end
+ buffer.free
+ buffer.null?.should be_true
+ end
+
+ context "with a slice of a buffer" do
+ it "nullifies the slice, not touching the buffer" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+
+ slice.free
+ slice.null?.should be_true
+ buffer.null?.should be_false
+
+ buffer.free
+ end
+
+ it "nullifies buffer, invalidating the slice" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+
+ buffer.free
+ slice.null?.should be_false
+ slice.valid?.should be_false
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/initialize_spec.rb b/spec/ruby/core/io/buffer/initialize_spec.rb
new file mode 100644
index 0000000000..c86d1e7f1d
--- /dev/null
+++ b/spec/ruby/core/io/buffer/initialize_spec.rb
@@ -0,0 +1,103 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#initialize" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it "creates a new zero-filled buffer with default size" do
+ @buffer = IO::Buffer.new
+ @buffer.size.should == IO::Buffer::DEFAULT_SIZE
+ @buffer.each(:U8).should.all? { |_offset, value| value.eql?(0) }
+ end
+
+ it "creates a buffer with default state" do
+ @buffer = IO::Buffer.new
+ @buffer.should_not.shared?
+ @buffer.should_not.readonly?
+
+ @buffer.should_not.empty?
+ @buffer.should_not.null?
+
+ # This is run-time state, set by #locked.
+ @buffer.should_not.locked?
+ end
+
+ context "with size argument" do
+ it "creates a new internal buffer if size is less than IO::Buffer::PAGE_SIZE" do
+ size = IO::Buffer::PAGE_SIZE - 1
+ @buffer = IO::Buffer.new(size)
+ @buffer.size.should == size
+ @buffer.should.internal?
+ @buffer.should_not.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "creates a new mapped buffer if size is greater than or equal to IO::Buffer::PAGE_SIZE" do
+ size = IO::Buffer::PAGE_SIZE
+ @buffer = IO::Buffer.new(size)
+ @buffer.size.should == size
+ @buffer.should_not.internal?
+ @buffer.should.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "creates a null buffer if size is 0" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.size.should.zero?
+ @buffer.should_not.internal?
+ @buffer.should_not.mapped?
+ @buffer.should.null?
+ @buffer.should.empty?
+ end
+
+ it "raises TypeError if size is not an Integer" do
+ -> { IO::Buffer.new(nil) }.should raise_error(TypeError, "not an Integer")
+ -> { IO::Buffer.new(10.0) }.should raise_error(TypeError, "not an Integer")
+ end
+
+ it "raises ArgumentError if size is negative" do
+ -> { IO::Buffer.new(-1) }.should raise_error(ArgumentError, "Size can't be negative!")
+ end
+ end
+
+ context "with size and flags arguments" do
+ it "forces mapped buffer with IO::Buffer::MAPPED flag" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE - 1, IO::Buffer::MAPPED)
+ @buffer.should.mapped?
+ @buffer.should_not.internal?
+ @buffer.should_not.empty?
+ end
+
+ it "forces internal buffer with IO::Buffer::INTERNAL flag" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::INTERNAL)
+ @buffer.should.internal?
+ @buffer.should_not.mapped?
+ @buffer.should_not.empty?
+ end
+
+ it "raises IO::Buffer::AllocationError if neither IO::Buffer::MAPPED nor IO::Buffer::INTERNAL is given" do
+ -> { IO::Buffer.new(10, IO::Buffer::READONLY) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ -> { IO::Buffer.new(10, 0) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ end
+
+ ruby_version_is "3.3" do
+ it "raises ArgumentError if flags is negative" do
+ -> { IO::Buffer.new(10, -1) }.should raise_error(ArgumentError, "Flags can't be negative!")
+ end
+ end
+
+ ruby_version_is ""..."3.3" do
+ it "raises IO::Buffer::AllocationError with non-Integer flags" do
+ -> { IO::Buffer.new(10, 0.0) }.should raise_error(IO::Buffer::AllocationError, "Could not allocate buffer!")
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "raises TypeError with non-Integer flags" do
+ -> { IO::Buffer.new(10, 0.0) }.should raise_error(TypeError, "not an Integer")
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/internal_spec.rb b/spec/ruby/core/io/buffer/internal_spec.rb
new file mode 100644
index 0000000000..409699cc3c
--- /dev/null
+++ b/spec/ruby/core/io/buffer/internal_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#internal?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is true for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.internal?.should be_true
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.internal?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.internal?.should be_false
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.internal?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.internal?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.internal?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.internal?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.internal?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.internal?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.internal?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.internal?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.internal?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.internal?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/locked_spec.rb b/spec/ruby/core/io/buffer/locked_spec.rb
new file mode 100644
index 0000000000..4ffa569fd2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/locked_spec.rb
@@ -0,0 +1,75 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#locked" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "when buffer is locked" do
+ it "allows reading and writing operations on the buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.set_string("test")
+ @buffer.locked do
+ @buffer.get_string.should == "test"
+ @buffer.set_string("meat")
+ end
+ @buffer.get_string.should == "meat"
+ end
+
+ it "disallows operations changing buffer itself, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ # Just an example, each method is responsible for checking the lock state.
+ -> { @buffer.resize(8) }.should raise_error(IO::Buffer::LockedError)
+ end
+ end
+ end
+
+ it "disallows reentrant locking, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.locked {} }.should raise_error(IO::Buffer::LockedError, "Buffer already locked!")
+ end
+ end
+
+ it "does not propagate to buffer's slices" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.locked do
+ @buffer.locked?.should be_true
+ slice.locked?.should be_false
+ slice.locked { slice.locked?.should be_true }
+ end
+ end
+
+ it "does not propagate backwards from buffer's slices" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ slice.locked do
+ slice.locked?.should be_true
+ @buffer.locked?.should be_false
+ @buffer.locked { @buffer.locked?.should be_true }
+ end
+ end
+end
+
+describe "IO::Buffer#locked?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it "is false by default" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked?.should be_false
+ end
+
+ it "is true only inside of #locked block" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ @buffer.locked?.should be_true
+ end
+ @buffer.locked?.should be_false
+ end
+end
diff --git a/spec/ruby/core/io/buffer/mapped_spec.rb b/spec/ruby/core/io/buffer/mapped_spec.rb
new file mode 100644
index 0000000000..b3610207ff
--- /dev/null
+++ b/spec/ruby/core/io/buffer/mapped_spec.rb
@@ -0,0 +1,108 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#mapped?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.mapped?.should be_false
+ end
+
+ it "is true for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is true for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.mapped?.should be_true
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.mapped?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.mapped?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.mapped?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.mapped?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.mapped?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.mapped?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.mapped?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/null_spec.rb b/spec/ruby/core/io/buffer/null_spec.rb
new file mode 100644
index 0000000000..3fb1144d0e
--- /dev/null
+++ b/spec/ruby/core/io/buffer/null_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../../../spec_helper'
+require_relative 'shared/null_and_empty'
+
+describe "IO::Buffer#null?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ it_behaves_like :io_buffer_null_and_empty, :null?
+
+ it "is false for a 0-length String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("")
+ @buffer.null?.should be_false
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a 0-length String-backed buffer created with .string" do
+ IO::Buffer.string(0) do |buffer|
+ buffer.null?.should be_false
+ end
+ end
+ end
+
+ it "is false for a 0-length slice of a buffer with size > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(3, 0).null?.should be_false
+ end
+end
diff --git a/spec/ruby/core/io/buffer/private_spec.rb b/spec/ruby/core/io/buffer/private_spec.rb
new file mode 100644
index 0000000000..7aa308997b
--- /dev/null
+++ b/spec/ruby/core/io/buffer/private_spec.rb
@@ -0,0 +1,111 @@
+require_relative '../../../spec_helper'
+
+ruby_version_is "3.3" do
+ describe "IO::Buffer#private?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.private?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.private?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.private?.should be_false
+ end
+ end
+
+ it "is true for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.private?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.private?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.private?.should be_false
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.private?.should be_false
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.private?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.private?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a regular file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.private?.should be_false
+ end
+ end
+
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.slice.private?.should be_false
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.private?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.private?.should be_false
+ end
+ end
+ end
+
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.private?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/readonly_spec.rb b/spec/ruby/core/io/buffer/readonly_spec.rb
new file mode 100644
index 0000000000..0014a876ed
--- /dev/null
+++ b/spec/ruby/core/io/buffer/readonly_spec.rb
@@ -0,0 +1,143 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#readonly?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.readonly?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.readonly?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is false for a writable mapping" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ @buffer.readonly?.should be_false
+ end
+ end
+
+ it "is true for a readonly mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.readonly?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is true for a buffer created without a block" do
+ @buffer = IO::Buffer.for(+"test")
+ @buffer.readonly?.should be_true
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.readonly?.should be_false
+ end
+ end
+
+ it "is true for a buffer created with a block from a frozen string" do
+ IO::Buffer.for(-"test") do |buffer|
+ buffer.readonly?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ # This seems to be the only flag propagated from the source buffer to the slice.
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.readonly?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a read-write file-backed buffer" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+
+ it "is true when slicing a readonly file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.readonly?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.slice.readonly?.should be_false
+ end
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is true when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for(+"test")
+ @buffer.slice.readonly?.should be_true
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.readonly?.should be_false
+ end
+ end
+
+ it "is true when slicing a buffer created with a block from a frozen string" do
+ IO::Buffer.for(-"test") do |buffer|
+ buffer.slice.readonly?.should be_true
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.readonly?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/resize_spec.rb b/spec/ruby/core/io/buffer/resize_spec.rb
new file mode 100644
index 0000000000..0da3a23356
--- /dev/null
+++ b/spec/ruby/core/io/buffer/resize_spec.rb
@@ -0,0 +1,155 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#resize" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "resizes internal buffer, preserving type" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(IO::Buffer::PAGE_SIZE)
+ @buffer.size.should == IO::Buffer::PAGE_SIZE
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+
+ platform_is :linux do
+ it "resizes mapped buffer, preserving type" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::MAPPED)
+ @buffer.resize(4)
+ @buffer.size.should == 4
+ @buffer.internal?.should be_false
+ @buffer.mapped?.should be_true
+ end
+ end
+
+ platform_is_not :linux do
+ it "resizes mapped buffer, changing type to internal" do
+ @buffer = IO::Buffer.new(IO::Buffer::PAGE_SIZE, IO::Buffer::MAPPED)
+ @buffer.resize(4)
+ @buffer.size.should == 4
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "disallows resizing shared buffer, raising IO::Buffer::AccessError" do
+ File.open(__FILE__, "r+") do |file|
+ @buffer = IO::Buffer.map(file)
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "resizes private buffer, discarding excess contents" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::PRIVATE)
+ @buffer.resize(10)
+ @buffer.size.should == 10
+ @buffer.get_string.should == "require_re"
+ @buffer.resize(12)
+ @buffer.size.should == 12
+ @buffer.get_string.should == "require_re\0\0"
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ @buffer = IO::Buffer.for(+"test")
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+
+ context "with a block" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ IO::Buffer.for(+'test') do |buffer|
+ -> { buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "disallows resizing, raising IO::Buffer::AccessError" do
+ IO::Buffer.string(4) do |buffer|
+ -> { buffer.resize(10) }.should raise_error(IO::Buffer::AccessError, "Cannot resize external buffer!")
+ end
+ end
+ end
+ end
+
+ context "with a null buffer" do
+ it "allows resizing a 0-sized buffer, creating a regular buffer according to new size" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.resize(IO::Buffer::PAGE_SIZE)
+ @buffer.size.should == IO::Buffer::PAGE_SIZE
+ @buffer.internal?.should be_false
+ @buffer.mapped?.should be_true
+ end
+
+ it "allows resizing after a free, creating a regular buffer according to new size" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.free
+ @buffer.resize(10)
+ @buffer.size.should == 10
+ @buffer.internal?.should be_true
+ @buffer.mapped?.should be_false
+ end
+ end
+
+ it "allows resizing to 0, freeing memory" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(0)
+ @buffer.null?.should be_true
+ end
+
+ it "can be called repeatedly" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.resize(10)
+ @buffer.resize(27)
+ @buffer.resize(1)
+ @buffer.size.should == 1
+ end
+
+ it "always clears extra memory" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.set_string("test")
+ # This should not cause a re-allocation, just a technical resizing,
+ # even with very aggressive memory allocation.
+ @buffer.resize(2)
+ @buffer.resize(4)
+ @buffer.get_string.should == "te\0\0"
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.resize(10) }.should raise_error(IO::Buffer::LockedError, "Cannot resize locked buffer!")
+ end
+ end
+
+ it "raises ArgumentError if size is negative" do
+ @buffer = IO::Buffer.new(4)
+ -> { @buffer.resize(-1) }.should raise_error(ArgumentError, "Size can't be negative!")
+ end
+
+ it "raises TypeError if size is not an Integer" do
+ @buffer = IO::Buffer.new(4)
+ -> { @buffer.resize(nil) }.should raise_error(TypeError, "not an Integer")
+ -> { @buffer.resize(10.0) }.should raise_error(TypeError, "not an Integer")
+ end
+
+ context "with a slice of a buffer" do
+ # Current behavior of slice resizing seems unintended (it's undocumented, too).
+ # It either creates a completely new buffer, or breaks the slice on size 0.
+ it "needs to be reviewed for spec completeness"
+ end
+end
diff --git a/spec/ruby/core/io/buffer/shared/null_and_empty.rb b/spec/ruby/core/io/buffer/shared/null_and_empty.rb
new file mode 100644
index 0000000000..c8fe9e5e46
--- /dev/null
+++ b/spec/ruby/core/io/buffer/shared/null_and_empty.rb
@@ -0,0 +1,59 @@
+describe :io_buffer_null_and_empty, shared: true do
+ it "is false for a buffer with size > 0" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.send(@method).should be_false
+ end
+
+ it "is false for a slice with length > 0" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice(1, 2).send(@method).should be_false
+ end
+
+ it "is false for a file-mapped buffer" do
+ File.open(__FILE__, "rb") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.send(@method).should be_false
+ end
+ end
+
+ it "is false for a non-empty String-backed buffer created with .for" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.send(@method).should be_false
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a non-empty String-backed buffer created with .string" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.send(@method).should be_false
+ end
+ end
+ end
+
+ it "is true for a 0-sized buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a slice of a 0-sized buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.slice(0, 0).send(@method).should be_true
+ end
+
+ it "is true for a freed buffer" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.free
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a buffer resized to 0" do
+ @buffer = IO::Buffer.new(1)
+ @buffer.resize(0)
+ @buffer.send(@method).should be_true
+ end
+
+ it "is true for a buffer whose memory was transferred" do
+ buffer = IO::Buffer.new(1)
+ @buffer = buffer.transfer
+ buffer.send(@method).should be_true
+ end
+end
diff --git a/spec/ruby/core/io/buffer/shared_spec.rb b/spec/ruby/core/io/buffer/shared_spec.rb
new file mode 100644
index 0000000000..f2a638cf39
--- /dev/null
+++ b/spec/ruby/core/io/buffer/shared_spec.rb
@@ -0,0 +1,117 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#shared?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "is false for an internal buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::INTERNAL)
+ @buffer.shared?.should be_false
+ end
+
+ it "is false for a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.shared?.should be_false
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "is true for a regular mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.shared?.should be_true
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false for a private mapping" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ it "is false for a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.shared?.should be_false
+ end
+
+ it "is false for a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.shared?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ # Always false for slices
+ context "with a slice of a buffer" do
+ context "created with .new" do
+ it "is false when slicing an internal buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.slice.shared?.should be_false
+ end
+
+ it "is false when slicing a mapped buffer" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+
+ context "created with .map" do
+ it "is false when slicing a regular file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+
+ ruby_version_is "3.3" do
+ it "is false when slicing a private file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY | IO::Buffer::PRIVATE)
+ @buffer.slice.shared?.should be_false
+ end
+ end
+ end
+ end
+
+ context "created with .for" do
+ it "is false when slicing a buffer created without a block" do
+ @buffer = IO::Buffer.for("test")
+ @buffer.slice.shared?.should be_false
+ end
+
+ it "is false when slicing a buffer created with a block" do
+ IO::Buffer.for(+"test") do |buffer|
+ buffer.slice.shared?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "created with .string" do
+ it "is false" do
+ IO::Buffer.string(4) do |buffer|
+ buffer.slice.shared?.should be_false
+ end
+ end
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/transfer_spec.rb b/spec/ruby/core/io/buffer/transfer_spec.rb
new file mode 100644
index 0000000000..cb8c843ff2
--- /dev/null
+++ b/spec/ruby/core/io/buffer/transfer_spec.rb
@@ -0,0 +1,118 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#transfer" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ context "with a buffer created with .new" do
+ it "transfers internal memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.new(4)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+
+ it "transfers mapped memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a file-backed buffer created with .map" do
+ it "transfers mapped memory to a new buffer, nullifying the original" do
+ File.open(__FILE__, "r") do |file|
+ buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+ end
+
+ context "with a String-backed buffer created with .for" do
+ context "without a block" do
+ it "transfers memory to a new buffer, nullifying the original" do
+ buffer = IO::Buffer.for("test")
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ end
+
+ context "with a block" do
+ it "transfers memory to a new buffer, breaking the transaction by nullifying the original" do
+ IO::Buffer.for(+"test") do |buffer|
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ @buffer.null?.should be_false
+ end
+ end
+ end
+
+ ruby_version_is "3.3" do
+ context "with a String-backed buffer created with .string" do
+ it "transfers memory to a new buffer, breaking the transaction by nullifying the original" do
+ IO::Buffer.string(4) do |buffer|
+ info = buffer.to_s
+ @buffer = buffer.transfer
+ @buffer.to_s.should == info
+ buffer.null?.should be_true
+ end
+ @buffer.null?.should be_false
+ end
+ end
+ end
+
+ it "allows multiple transfers" do
+ buffer_1 = IO::Buffer.new(4)
+ buffer_2 = buffer_1.transfer
+ @buffer = buffer_2.transfer
+ buffer_1.null?.should be_true
+ buffer_2.null?.should be_true
+ @buffer.null?.should be_false
+ end
+
+ it "is disallowed while locked, raising IO::Buffer::LockedError" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.locked do
+ -> { @buffer.transfer }.should raise_error(IO::Buffer::LockedError, "Cannot transfer ownership of locked buffer!")
+ end
+ end
+
+ context "with a slice of a buffer" do
+ it "transfers source to a new slice, not touching the buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.set_string("test")
+
+ new_slice = slice.transfer
+ slice.null?.should be_true
+ new_slice.null?.should be_false
+ @buffer.null?.should be_false
+
+ new_slice.set_string("ea")
+ @buffer.get_string.should == "east"
+ end
+
+ it "nullifies buffer, invalidating the slice" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+ @buffer = buffer.transfer
+
+ slice.null?.should be_false
+ slice.valid?.should be_false
+ -> { slice.get_string }.should raise_error(IO::Buffer::InvalidatedError, "Buffer has been invalidated!")
+ end
+ end
+end
diff --git a/spec/ruby/core/io/buffer/valid_spec.rb b/spec/ruby/core/io/buffer/valid_spec.rb
new file mode 100644
index 0000000000..695415dff6
--- /dev/null
+++ b/spec/ruby/core/io/buffer/valid_spec.rb
@@ -0,0 +1,119 @@
+require_relative '../../../spec_helper'
+
+describe "IO::Buffer#valid?" do
+ after :each do
+ @buffer&.free
+ @buffer = nil
+ end
+
+ # Non-slices are always valid
+ context "with a non-slice buffer" do
+ it "is true for a regular buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a 0-size buffer" do
+ @buffer = IO::Buffer.new(0)
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a freed buffer" do
+ @buffer = IO::Buffer.new(4)
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+
+ it "is true for a freed file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ @buffer.valid?.should be_true
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+ end
+
+ it "is true for a freed string-backed buffer" do
+ @buffer = IO::Buffer.for("hello")
+ @buffer.valid?.should be_true
+ @buffer.free
+ @buffer.valid?.should be_true
+ end
+ end
+
+ # "A buffer becomes invalid if it is a slice of another buffer (or string)
+ # which has been freed or re-allocated at a different address."
+ context "with a slice" do
+ it "is true for a slice of a live buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ end
+
+ context "when buffer is resized" do
+ platform_is_not :windows do
+ it "is true when slice is still inside the buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(1, 2)
+ @buffer.resize(3)
+ slice.valid?.should be_true
+ end
+ end
+
+ it "is false when slice becomes outside the buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(2, 2)
+ @buffer.resize(3)
+ slice.valid?.should be_false
+ end
+
+ platform_is_not :linux do
+ # This test does not cause a copy-resize on Linux.
+ # `#resize` MAY cause the buffer to move, but there is no guarantee.
+ it "is false when buffer is copied on resize" do
+ @buffer = IO::Buffer.new(4, IO::Buffer::MAPPED)
+ slice = @buffer.slice(0, 2)
+ @buffer.resize(8)
+ slice.valid?.should be_false
+ end
+ end
+ end
+
+ it "is false for a slice of a transferred buffer" do
+ buffer = IO::Buffer.new(4)
+ slice = buffer.slice(0, 2)
+ @buffer = buffer.transfer
+ slice.valid?.should be_false
+ end
+
+ it "is false for a slice of a freed buffer" do
+ @buffer = IO::Buffer.new(4)
+ slice = @buffer.slice(0, 2)
+ @buffer.free
+ slice.valid?.should be_false
+ end
+
+ it "is false for a slice of a freed file-backed buffer" do
+ File.open(__FILE__, "r") do |file|
+ @buffer = IO::Buffer.map(file, nil, 0, IO::Buffer::READONLY)
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ @buffer.free
+ slice.valid?.should be_false
+ end
+ end
+
+ it "is true for a slice of a freed string-backed buffer while string is alive" do
+ @buffer = IO::Buffer.for("alive")
+ slice = @buffer.slice(0, 2)
+ slice.valid?.should be_true
+ @buffer.free
+ slice.valid?.should be_true
+ end
+
+ # There probably should be a test with a garbage-collected string,
+ # but it's not clear how to force that.
+
+ it "needs to be reviewed for spec completeness"
+ end
+end
diff --git a/spec/ruby/core/kernel/Float_spec.rb b/spec/ruby/core/kernel/Float_spec.rb
index e00fe81572..74f6f1b0bd 100644
--- a/spec/ruby/core/kernel/Float_spec.rb
+++ b/spec/ruby/core/kernel/Float_spec.rb
@@ -231,6 +231,10 @@ describe :kernel_float, shared: true do
@object.send(:Float, "0x0f").should == 15.0
end
+ it "interprets negative hex value" do
+ @object.send(:Float, "-0x10").should == -16.0
+ end
+
it "accepts embedded _ if the number does not contain a-f" do
@object.send(:Float, "0x1_0").should == 16.0
end
diff --git a/spec/ruby/core/kernel/autoload_spec.rb b/spec/ruby/core/kernel/autoload_spec.rb
index 0404caec6d..5edb70541d 100644
--- a/spec/ruby/core/kernel/autoload_spec.rb
+++ b/spec/ruby/core/kernel/autoload_spec.rb
@@ -7,7 +7,9 @@ require_relative 'fixtures/classes'
autoload :KSAutoloadA, "autoload_a.rb"
autoload :KSAutoloadB, fixture(__FILE__, "autoload_b.rb")
-autoload :KSAutoloadCallsRequire, "main_autoload_not_exist.rb"
+define_autoload_KSAutoloadCallsRequire = -> {
+ autoload :KSAutoloadCallsRequire, "main_autoload_not_exist.rb"
+}
def check_autoload(const)
autoload? const
@@ -43,6 +45,7 @@ describe "Kernel#autoload" do
end
it "calls main.require(path) to load the file" do
+ define_autoload_KSAutoloadCallsRequire.call
main = TOPLEVEL_BINDING.eval("self")
main.should_receive(:require).with("main_autoload_not_exist.rb")
# The constant won't be defined since require is mocked to do nothing
diff --git a/spec/ruby/core/matchdata/bytebegin_spec.rb b/spec/ruby/core/matchdata/bytebegin_spec.rb
new file mode 100644
index 0000000000..08c1fd6d1e
--- /dev/null
+++ b/spec/ruby/core/matchdata/bytebegin_spec.rb
@@ -0,0 +1,132 @@
+require_relative '../../spec_helper'
+
+ruby_version_is "3.4" do
+ describe "MatchData#bytebegin" do
+ context "when passed an integer argument" do
+ it "returns the byte-based offset of the start of the nth element" do
+ match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin(0).should == 1
+ match_data.bytebegin(2).should == 2
+ end
+
+ it "returns nil when the nth match isn't found" do
+ match_data = /something is( not)? (right)/.match("something is right")
+ match_data.bytebegin(1).should be_nil
+ end
+
+ it "returns the byte-based offset for multi-byte strings" do
+ match_data = /(.)(.)(\d+)(\d)/.match("TñX1138.")
+ match_data.bytebegin(0).should == 1
+ match_data.bytebegin(2).should == 3
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi-byte strings with unicode regexp" do
+ match_data = /(.)(.)(\d+)(\d)/u.match("TñX1138.")
+ match_data.bytebegin(0).should == 1
+ match_data.bytebegin(2).should == 3
+ end
+ end
+
+ it "tries to convert the passed argument to an Integer using #to_int" do
+ obj = mock('to_int')
+ obj.should_receive(:to_int).and_return(2)
+
+ match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin(obj).should == 2
+ end
+
+ it "raises IndexError if index is out of bounds" do
+ match_data = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ match_data.bytebegin(-1)
+ }.should raise_error(IndexError, "index -1 out of matches")
+
+ -> {
+ match_data.bytebegin(3)
+ }.should raise_error(IndexError, "index 3 out of matches")
+ end
+ end
+
+ context "when passed a String argument" do
+ it "return the byte-based offset of the start of the named capture" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin("a").should == 1
+ match_data.bytebegin("b").should == 3
+ end
+
+ it "returns the byte-based offset for multi byte strings" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
+ match_data.bytebegin("a").should == 1
+ match_data.bytebegin("b").should == 4
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi byte strings with unicode regexp" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
+ match_data.bytebegin("a").should == 1
+ match_data.bytebegin("b").should == 4
+ end
+ end
+
+ it "returns the byte-based offset for the farthest match when multiple named captures use the same name" do
+ match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin("a").should == 3
+ end
+
+ it "returns the byte-based offset for multi-byte names" do
+ match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin("æ").should == 1
+ end
+
+ it "raises IndexError if there is no group with the provided name" do
+ match_data = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ match_data.bytebegin("y")
+ }.should raise_error(IndexError, "undefined group name reference: y")
+ end
+ end
+
+ context "when passed a Symbol argument" do
+ it "return the byte-based offset of the start of the named capture" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin(:a).should == 1
+ match_data.bytebegin(:b).should == 3
+ end
+
+ it "returns the byte-based offset for multi byte strings" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
+ match_data.bytebegin(:a).should == 1
+ match_data.bytebegin(:b).should == 4
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi byte strings with unicode regexp" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
+ match_data.bytebegin(:a).should == 1
+ match_data.bytebegin(:b).should == 4
+ end
+ end
+
+ it "returns the byte-based offset for the farthest match when multiple named captures use the same name" do
+ match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin(:a).should == 3
+ end
+
+ it "returns the byte-based offset for multi-byte names" do
+ match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.bytebegin(:æ).should == 1
+ end
+
+ it "raises IndexError if there is no group with the provided name" do
+ match_data = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ match_data.bytebegin(:y)
+ }.should raise_error(IndexError, "undefined group name reference: y")
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/matchdata/byteend_spec.rb b/spec/ruby/core/matchdata/byteend_spec.rb
new file mode 100644
index 0000000000..98015e287d
--- /dev/null
+++ b/spec/ruby/core/matchdata/byteend_spec.rb
@@ -0,0 +1,104 @@
+require_relative '../../spec_helper'
+
+ruby_version_is "3.4" do
+ describe "MatchData#byteend" do
+ context "when passed an integer argument" do
+ it "returns the byte-based offset of the end of the nth element" do
+ match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
+ match_data.byteend(0).should == 7
+ match_data.byteend(2).should == 3
+ end
+
+ it "returns nil when the nth match isn't found" do
+ match_data = /something is( not)? (right)/.match("something is right")
+ match_data.byteend(1).should be_nil
+ end
+
+ it "returns the byte-based offset for multi-byte strings" do
+ match_data = /(.)(.)(\d+)(\d)/.match("TñX1138.")
+ match_data.byteend(0).should == 8
+ match_data.byteend(2).should == 4
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi-byte strings with unicode regexp" do
+ match_data = /(.)(.)(\d+)(\d)/u.match("TñX1138.")
+ match_data.byteend(0).should == 8
+ match_data.byteend(2).should == 4
+ end
+ end
+
+ it "tries to convert the passed argument to an Integer using #to_int" do
+ obj = mock('to_int')
+ obj.should_receive(:to_int).and_return(2)
+
+ match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
+ match_data.byteend(obj).should == 3
+ end
+ end
+
+ context "when passed a String argument" do
+ it "return the byte-based offset of the start of the named capture" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.byteend("a").should == 2
+ match_data.byteend("b").should == 6
+ end
+
+ it "returns the byte-based offset for multi byte strings" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
+ match_data.byteend("a").should == 3
+ match_data.byteend("b").should == 7
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi byte strings with unicode regexp" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
+ match_data.byteend("a").should == 3
+ match_data.byteend("b").should == 7
+ end
+ end
+
+ it "returns the byte-based offset for the farthest match when multiple named captures use the same name" do
+ match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
+ match_data.byteend("a").should == 6
+ end
+
+ it "returns the byte-based offset for multi-byte names" do
+ match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.byteend("æ").should == 2
+ end
+ end
+
+ context "when passed a Symbol argument" do
+ it "return the byte-based offset of the start of the named capture" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.byteend(:a).should == 2
+ match_data.byteend(:b).should == 6
+ end
+
+ it "returns the byte-based offset for multi byte strings" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/.match("TñX1138.")
+ match_data.byteend(:a).should == 3
+ match_data.byteend(:b).should == 7
+ end
+
+ not_supported_on :opal do
+ it "returns the byte-based offset for multi byte strings with unicode regexp" do
+ match_data = /(?<a>.)(.)(?<b>\d+)(\d)/u.match("TñX1138.")
+ match_data.byteend(:a).should == 3
+ match_data.byteend(:b).should == 7
+ end
+ end
+
+ it "returns the byte-based offset for the farthest match when multiple named captures use the same name" do
+ match_data = /(?<a>.)(.)(?<a>\d+)(\d)/.match("THX1138.")
+ match_data.byteend(:a).should == 6
+ end
+
+ it "returns the byte-based offset for multi-byte names" do
+ match_data = /(?<æ>.)(.)(?<b>\d+)(\d)/.match("THX1138.")
+ match_data.byteend(:æ).should == 2
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/matchdata/offset_spec.rb b/spec/ruby/core/matchdata/offset_spec.rb
index 1ccb54b7a7..a03d58aad1 100644
--- a/spec/ruby/core/matchdata/offset_spec.rb
+++ b/spec/ruby/core/matchdata/offset_spec.rb
@@ -1,30 +1,102 @@
-# -*- encoding: utf-8 -*-
-
require_relative '../../spec_helper'
describe "MatchData#offset" do
- it "returns a two element array with the begin and end of the nth match" do
- match_data = /(.)(.)(\d+)(\d)/.match("THX1138.")
- match_data.offset(0).should == [1, 7]
- match_data.offset(4).should == [6, 7]
+ it "returns beginning and ending character offset of whole matched substring for 0 element" do
+ m = /(.)(.)(\d+)(\d)/.match("THX1138.")
+ m.offset(0).should == [1, 7]
+ end
+
+ it "returns beginning and ending character offset of n-th match, all the subsequent elements are capturing groups" do
+ m = /(.)(.)(\d+)(\d)/.match("THX1138.")
+
+ m.offset(2).should == [2, 3]
+ m.offset(3).should == [3, 6]
+ m.offset(4).should == [6, 7]
+ end
+
+ it "accepts String as a reference to a named capture" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ m.offset("f").should == [0, 3]
+ m.offset("b").should == [3, 6]
+ end
+
+ it "accepts Symbol as a reference to a named capture" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ m.offset(:f).should == [0, 3]
+ m.offset(:b).should == [3, 6]
end
- it "returns [nil, nil] when the nth match isn't found" do
- match_data = /something is( not)? (right)/.match("something is right")
- match_data.offset(1).should == [nil, nil]
+ it "returns [nil, nil] if a capturing group is optional and doesn't match" do
+ m = /(?<x>q..)?/.match("foobarbaz")
+
+ m.offset("x").should == [nil, nil]
+ m.offset(1).should == [nil, nil]
end
- it "returns the offset for multi byte strings" do
- match_data = /(.)(.)(\d+)(\d)/.match("TñX1138.")
- match_data.offset(0).should == [1, 7]
- match_data.offset(4).should == [6, 7]
+ it "returns correct beginning and ending character offset for multi-byte strings" do
+ m = /\A\u3042(.)(.)?(.)\z/.match("\u3042\u3043\u3044")
+
+ m.offset(1).should == [1, 2]
+ m.offset(3).should == [2, 3]
end
not_supported_on :opal do
- it "returns the offset for multi byte strings with unicode regexp" do
- match_data = /(.)(.)(\d+)(\d)/u.match("TñX1138.")
- match_data.offset(0).should == [1, 7]
- match_data.offset(4).should == [6, 7]
+ it "returns correct character offset for multi-byte strings with unicode regexp" do
+ m = /\A\u3042(.)(.)?(.)\z/u.match("\u3042\u3043\u3044")
+
+ m.offset(1).should == [1, 2]
+ m.offset(3).should == [2, 3]
end
end
+
+ it "returns [nil, nil] if a capturing group is optional and doesn't match for multi-byte string" do
+ m = /\A\u3042(.)(.)?(.)\z/.match("\u3042\u3043\u3044")
+
+ m.offset(2).should == [nil, nil]
+ end
+
+ it "converts argument into integer if is not String nor Symbol" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ obj = Object.new
+ def obj.to_int; 2; end
+
+ m.offset(1r).should == [0, 3]
+ m.offset(1.1).should == [0, 3]
+ m.offset(obj).should == [3, 6]
+ end
+
+ it "raises IndexError if there is no group with the provided name" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ m.offset("y")
+ }.should raise_error(IndexError, "undefined group name reference: y")
+
+ -> {
+ m.offset(:y)
+ }.should raise_error(IndexError, "undefined group name reference: y")
+ end
+
+ it "raises IndexError if index is out of bounds" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ m.offset(-1)
+ }.should raise_error(IndexError, "index -1 out of matches")
+
+ -> {
+ m.offset(3)
+ }.should raise_error(IndexError, "index 3 out of matches")
+ end
+
+ it "raises TypeError if can't convert argument into Integer" do
+ m = /(?<f>foo)(?<b>bar)/.match("foobar")
+
+ -> {
+ m.offset([])
+ }.should raise_error(TypeError, "no implicit conversion of Array into Integer")
+ end
end
diff --git a/spec/ruby/core/module/const_added_spec.rb b/spec/ruby/core/module/const_added_spec.rb
index 739be3ead8..90cd36551a 100644
--- a/spec/ruby/core/module/const_added_spec.rb
+++ b/spec/ruby/core/module/const_added_spec.rb
@@ -117,6 +117,7 @@ describe "Module#const_added" do
end
ScratchPad.recorded.should == [:A, :B]
+ ModuleSpecs::ConstAddedSpecs.send :remove_const, :NamedModule
end
it "is called when a new class is defined under self" do
@@ -158,6 +159,7 @@ describe "Module#const_added" do
end
ScratchPad.recorded.should == [:A, :B]
+ ModuleSpecs::ConstAddedSpecs.send :remove_const, :NamedModuleB
end
it "is called when an autoload is defined" do
diff --git a/spec/ruby/core/module/const_source_location_spec.rb b/spec/ruby/core/module/const_source_location_spec.rb
index 06b3b215c2..96649ea10b 100644
--- a/spec/ruby/core/module/const_source_location_spec.rb
+++ b/spec/ruby/core/module/const_source_location_spec.rb
@@ -245,6 +245,14 @@ describe "Module#const_source_location" do
@line = __LINE__ - 1
end
+ before :each do
+ @loaded_features = $".dup
+ end
+
+ after :each do
+ $".replace @loaded_features
+ end
+
it 'returns the autoload location while not resolved' do
ConstantSpecs.const_source_location('CSL_CONST1').should == [__FILE__, @line]
end
@@ -265,6 +273,8 @@ describe "Module#const_source_location" do
ConstantSpecs.const_source_location(:ConstSource).should == autoload_location
ConstantSpecs::ConstSource::LOCATION.should == ConstantSpecs.const_source_location(:ConstSource)
ConstantSpecs::BEFORE_DEFINE_LOCATION.should == autoload_location
+ ConstantSpecs.send :remove_const, :ConstSource
+ ConstantSpecs.send :remove_const, :BEFORE_DEFINE_LOCATION
end
end
end
diff --git a/spec/ruby/core/module/name_spec.rb b/spec/ruby/core/module/name_spec.rb
index fd28ee0a33..d3318e1645 100644
--- a/spec/ruby/core/module/name_spec.rb
+++ b/spec/ruby/core/module/name_spec.rb
@@ -190,6 +190,7 @@ describe "Module#name" do
ScratchPad.recorded.should.one?(/#<Module.+>::A$/)
ScratchPad.recorded.should.one?(/#<Module.+>::A::B$/)
+ ModuleSpecs::NameSpecs.send :remove_const, :NamedModule
end
it "returns a frozen String" do
diff --git a/spec/ruby/core/module/set_temporary_name_spec.rb b/spec/ruby/core/module/set_temporary_name_spec.rb
index 12c1c214dd..624b02c90e 100644
--- a/spec/ruby/core/module/set_temporary_name_spec.rb
+++ b/spec/ruby/core/module/set_temporary_name_spec.rb
@@ -86,6 +86,7 @@ ruby_version_is "3.3" do
ModuleSpecs::SetTemporaryNameSpec::M = m
m::N.name.should == "ModuleSpecs::SetTemporaryNameSpec::M::N"
+ ModuleSpecs::SetTemporaryNameSpec.send :remove_const, :M
end
it "can update the name when assigned to a constant" do
diff --git a/spec/ruby/core/random/new_spec.rb b/spec/ruby/core/random/new_spec.rb
index 90e2a9d6f2..69210cef03 100644
--- a/spec/ruby/core/random/new_spec.rb
+++ b/spec/ruby/core/random/new_spec.rb
@@ -11,7 +11,7 @@ describe "Random.new" do
it "returns Random instances initialized with different seeds" do
first = Random.new
second = Random.new
- (0..20).map { first.rand } .should_not == (0..20).map { second.rand }
+ (0..20).map { first.rand }.should_not == (0..20).map { second.rand }
end
it "accepts an Integer seed value as an argument" do