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-rw-r--r--spec/ruby/core/array/all_spec.rb13
-rw-r--r--spec/ruby/core/array/any_spec.rb12
-rw-r--r--spec/ruby/core/array/count_spec.rb11
-rw-r--r--spec/ruby/core/array/delete_if_spec.rb30
-rw-r--r--spec/ruby/core/array/drop_while_spec.rb4
-rw-r--r--spec/ruby/core/array/each_index_spec.rb16
-rw-r--r--spec/ruby/core/array/each_spec.rb5
-rw-r--r--spec/ruby/core/array/fill_spec.rb42
-rw-r--r--spec/ruby/core/array/initialize_spec.rb4
-rw-r--r--spec/ruby/core/array/intersect_spec.rb53
-rw-r--r--spec/ruby/core/array/new_spec.rb4
-rw-r--r--spec/ruby/core/array/none_spec.rb13
-rw-r--r--spec/ruby/core/array/one_spec.rb13
-rw-r--r--spec/ruby/core/array/reject_spec.rb15
-rw-r--r--spec/ruby/core/array/reverse_each_spec.rb14
-rw-r--r--spec/ruby/core/array/rindex_spec.rb15
-rw-r--r--spec/ruby/core/array/shared/collect.rb32
-rw-r--r--spec/ruby/core/array/shared/index.rb4
-rw-r--r--spec/ruby/core/array/shared/intersection.rb3
-rw-r--r--spec/ruby/core/array/shared/iterable_and_tolerating_size_increasing.rb25
-rw-r--r--spec/ruby/core/array/shared/keep_if.rb35
-rw-r--r--spec/ruby/core/array/shared/select.rb3
-rw-r--r--spec/ruby/core/array/sort_by_spec.rb33
-rw-r--r--spec/ruby/core/array/sum_spec.rb6
-rw-r--r--spec/ruby/core/array/take_while_spec.rb6
-rw-r--r--spec/ruby/core/array/to_h_spec.rb6
-rw-r--r--spec/ruby/core/array/uniq_spec.rb34
27 files changed, 446 insertions, 5 deletions
diff --git a/spec/ruby/core/array/all_spec.rb b/spec/ruby/core/array/all_spec.rb
new file mode 100644
index 0000000000..680e8c26fa
--- /dev/null
+++ b/spec/ruby/core/array/all_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
+
+describe "Array#all?" do
+ @value_to_return = -> _ { true }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :all?
+
+ it "ignores the block if there is an argument" do
+ -> {
+ ['bar', 'foobar'].all?(/bar/) { false }.should == true
+ }.should complain(/given block not used/)
+ end
+end
diff --git a/spec/ruby/core/array/any_spec.rb b/spec/ruby/core/array/any_spec.rb
index 09d949fe6e..b51ce62f0f 100644
--- a/spec/ruby/core/array/any_spec.rb
+++ b/spec/ruby/core/array/any_spec.rb
@@ -1,4 +1,5 @@
require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#any?" do
describe 'with no block given (a default block of { |x| x } is implicit)' do
@@ -19,6 +20,9 @@ describe "Array#any?" do
end
describe 'with a block given' do
+ @value_to_return = -> _ { false }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :any?
+
it 'is false if the array is empty' do
empty_array = []
empty_array.any? {|v| 1 == 1 }.should == false
@@ -34,4 +38,12 @@ describe "Array#any?" do
array_with_members.any? {|v| v == 42 }.should == false
end
end
+
+ describe 'when given a pattern argument' do
+ it "ignores the block if there is an argument" do
+ -> {
+ ['bar', 'foobar'].any?(/bar/) { false }.should == true
+ }.should complain(/given block not used/)
+ end
+ end
end
diff --git a/spec/ruby/core/array/count_spec.rb b/spec/ruby/core/array/count_spec.rb
index eaf275aeb7..e778233c16 100644
--- a/spec/ruby/core/array/count_spec.rb
+++ b/spec/ruby/core/array/count_spec.rb
@@ -1,4 +1,5 @@
require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#count" do
it "returns the number of elements" do
@@ -12,4 +13,14 @@ describe "Array#count" do
it "returns the number of element for which the block evaluates to true" do
[:a, :b, :c].count { |s| s != :b }.should == 2
end
+
+ it "ignores the block if there is an argument" do
+ -> {
+ [:a, :b, :b, :c].count(:b) { |e| e.size > 10 }.should == 2
+ }.should complain(/given block not used/)
+ end
+
+ context "when a block argument given" do
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :count
+ end
end
diff --git a/spec/ruby/core/array/delete_if_spec.rb b/spec/ruby/core/array/delete_if_spec.rb
index 1459cc8d04..10972eee0e 100644
--- a/spec/ruby/core/array/delete_if_spec.rb
+++ b/spec/ruby/core/array/delete_if_spec.rb
@@ -2,6 +2,7 @@ require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/enumeratorize'
require_relative 'shared/delete_if'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
require_relative '../enumerable/shared/enumeratorized'
describe "Array#delete_if" do
@@ -47,6 +48,35 @@ describe "Array#delete_if" do
-> { ArraySpecs.empty_frozen_array.delete_if {} }.should raise_error(FrozenError)
end
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.delete_if { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
+ end
+
+ it "only removes elements for which the block returns true, keeping the element which raised an error." do
+ a = [1, 2, 3, 4]
+ begin
+ a.delete_if do |e|
+ case e
+ when 2 then true
+ when 3 then raise StandardError, 'Oops'
+ else false
+ end
+ end
+ rescue StandardError
+ end
+
+ a.should == [1, 3, 4]
+ end
+
it_behaves_like :enumeratorized_with_origin_size, :delete_if, [1,2,3]
it_behaves_like :delete_if, :delete_if
+
+ @value_to_return = -> _ { false }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :delete_if
end
diff --git a/spec/ruby/core/array/drop_while_spec.rb b/spec/ruby/core/array/drop_while_spec.rb
index bb783d22a5..94064528aa 100644
--- a/spec/ruby/core/array/drop_while_spec.rb
+++ b/spec/ruby/core/array/drop_while_spec.rb
@@ -1,7 +1,11 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#drop_while" do
+ @value_to_return = -> _ { true }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :drop_while
+
it "removes elements from the start of the array while the block evaluates to true" do
[1, 2, 3, 4].drop_while { |n| n < 4 }.should == [4]
end
diff --git a/spec/ruby/core/array/each_index_spec.rb b/spec/ruby/core/array/each_index_spec.rb
index 75ab61b6f9..3a4bca9251 100644
--- a/spec/ruby/core/array/each_index_spec.rb
+++ b/spec/ruby/core/array/each_index_spec.rb
@@ -40,3 +40,19 @@ describe "Array#each_index" do
it_behaves_like :enumeratorize, :each_index
it_behaves_like :enumeratorized_with_origin_size, :each_index, [1,2,3]
end
+
+describe "Array#each_index" do
+ it "tolerates increasing an array size during iteration" do
+ array = [:a, :b, :c]
+ ScratchPad.record []
+ i = 0
+
+ array.each_index do |index|
+ ScratchPad << index
+ array << i if i < 100
+ i += 1
+ end
+
+ ScratchPad.recorded.should == (0..102).to_a # element indices
+ end
+end
diff --git a/spec/ruby/core/array/each_spec.rb b/spec/ruby/core/array/each_spec.rb
index cf8e9da6d8..57d6082f01 100644
--- a/spec/ruby/core/array/each_spec.rb
+++ b/spec/ruby/core/array/each_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/enumeratorize'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
require_relative '../enumerable/shared/enumeratorized'
# Mutating the array while it is being iterated is discouraged as it can result in confusing behavior.
@@ -75,3 +76,7 @@ describe "Array#each" do
it_behaves_like :enumeratorize, :each
it_behaves_like :enumeratorized_with_origin_size, :each, [1,2,3]
end
+
+describe "Array#each" do
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :each
+end
diff --git a/spec/ruby/core/array/fill_spec.rb b/spec/ruby/core/array/fill_spec.rb
index 524728233b..a591444bab 100644
--- a/spec/ruby/core/array/fill_spec.rb
+++ b/spec/ruby/core/array/fill_spec.rb
@@ -72,6 +72,48 @@ describe "Array#fill" do
-> { [].fill(1, 2) {|i|} }.should_not raise_error(ArgumentError)
-> { [].fill(1, 2, true) {|i|} }.should raise_error(ArgumentError)
end
+
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.fill { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
+ end
+
+ it "only changes elements before error is raised, keeping the element which raised an error." do
+ a = [1, 2, 3, 4]
+ begin
+ a.fill do |i|
+ case i
+ when 0 then -1
+ when 1 then -2
+ when 2 then raise StandardError, 'Oops'
+ else 0
+ end
+ end
+ rescue StandardError
+ end
+
+ a.should == [-1, -2, 3, 4]
+ end
+
+ it "tolerates increasing an array size during iteration" do
+ array = [:a, :b, :c]
+ ScratchPad.record []
+ i = 0
+
+ array.fill do |index|
+ ScratchPad << index
+ array << i if i < 100
+ i++
+ index
+ end
+
+ ScratchPad.recorded.should == [0, 1, 2]
+ end
end
describe "Array#fill with (filler, index, length)" do
diff --git a/spec/ruby/core/array/initialize_spec.rb b/spec/ruby/core/array/initialize_spec.rb
index a8deed2b84..b9fa77b16e 100644
--- a/spec/ruby/core/array/initialize_spec.rb
+++ b/spec/ruby/core/array/initialize_spec.rb
@@ -53,7 +53,9 @@ describe "Array#initialize with no arguments" do
end
it "does not use the given block" do
- ->{ [1, 2, 3].send(:initialize) { raise } }.should_not raise_error
+ -> {
+ -> { [1, 2, 3].send(:initialize) { raise } }.should_not raise_error
+ }.should complain(/#{__FILE__}:#{__LINE__-1}: warning: given block not used/, verbose: true)
end
end
diff --git a/spec/ruby/core/array/intersect_spec.rb b/spec/ruby/core/array/intersect_spec.rb
index b8c5b1e69a..62ac157278 100644
--- a/spec/ruby/core/array/intersect_spec.rb
+++ b/spec/ruby/core/array/intersect_spec.rb
@@ -1,17 +1,66 @@
require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
describe 'Array#intersect?' do
ruby_version_is '3.1' do # https://bugs.ruby-lang.org/issues/15198
describe 'when at least one element in two Arrays is the same' do
it 'returns true' do
- [1, 2].intersect?([2, 3]).should == true
+ [1, 2].intersect?([2, 3, 4]).should == true
+ [2, 3, 4].intersect?([1, 2]).should == true
end
end
describe 'when there are no elements in common between two Arrays' do
it 'returns false' do
- [1, 2].intersect?([3, 4]).should == false
+ [0, 1, 2].intersect?([3, 4]).should == false
+ [3, 4].intersect?([0, 1, 2]).should == false
+ [3, 4].intersect?([]).should == false
+ [].intersect?([0, 1, 2]).should == false
end
end
+
+ it "tries to convert the passed argument to an Array using #to_ary" do
+ obj = mock('[1,2,3]')
+ obj.should_receive(:to_ary).and_return([1, 2, 3])
+
+ [1, 2].intersect?(obj).should == true
+ end
+
+ it "determines equivalence between elements in the sense of eql?" do
+ obj1 = mock('1')
+ obj2 = mock('2')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.stub!(:eql?).and_return(true)
+ obj2.stub!(:eql?).and_return(true)
+
+ [obj1].intersect?([obj2]).should == true
+
+ obj1 = mock('3')
+ obj2 = mock('4')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.stub!(:eql?).and_return(false)
+ obj2.stub!(:eql?).and_return(false)
+
+ [obj1].intersect?([obj2]).should == false
+ end
+
+ it "does not call to_ary on array subclasses" do
+ [5, 6].intersect?(ArraySpecs::ToAryArray[1, 2, 5, 6]).should == true
+ end
+
+ it "properly handles an identical item even when its #eql? isn't reflexive" do
+ x = mock('x')
+ x.stub!(:hash).and_return(42)
+ x.stub!(:eql?).and_return(false) # Stubbed for clarity and latitude in implementation; not actually sent by MRI.
+
+ [x].intersect?([x]).should == true
+ end
+
+ it "has semantic of !(a & b).empty?" do
+ [].intersect?([]).should == false
+ [nil].intersect?([nil]).should == true
+ end
end
end
diff --git a/spec/ruby/core/array/new_spec.rb b/spec/ruby/core/array/new_spec.rb
index 96ec6b8198..b50a4857b0 100644
--- a/spec/ruby/core/array/new_spec.rb
+++ b/spec/ruby/core/array/new_spec.rb
@@ -26,7 +26,9 @@ describe "Array.new with no arguments" do
end
it "does not use the given block" do
- ->{ Array.new { raise } }.should_not raise_error
+ -> {
+ -> { Array.new { raise } }.should_not raise_error
+ }.should complain(/warning: given block not used/, verbose: true)
end
end
diff --git a/spec/ruby/core/array/none_spec.rb b/spec/ruby/core/array/none_spec.rb
new file mode 100644
index 0000000000..31cd8c46d6
--- /dev/null
+++ b/spec/ruby/core/array/none_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
+
+describe "Array#none?" do
+ @value_to_return = -> _ { false }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :none?
+
+ it "ignores the block if there is an argument" do
+ -> {
+ ['bar', 'foobar'].none?(/baz/) { true }.should == true
+ }.should complain(/given block not used/)
+ end
+end
diff --git a/spec/ruby/core/array/one_spec.rb b/spec/ruby/core/array/one_spec.rb
new file mode 100644
index 0000000000..0c61907881
--- /dev/null
+++ b/spec/ruby/core/array/one_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
+
+describe "Array#one?" do
+ @value_to_return = -> _ { false }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :one?
+
+ it "ignores the block if there is an argument" do
+ -> {
+ ['bar', 'foobar'].one?(/foo/) { false }.should == true
+ }.should complain(/given block not used/)
+ end
+end
diff --git a/spec/ruby/core/array/reject_spec.rb b/spec/ruby/core/array/reject_spec.rb
index fcf43fabde..81a467e364 100644
--- a/spec/ruby/core/array/reject_spec.rb
+++ b/spec/ruby/core/array/reject_spec.rb
@@ -2,6 +2,7 @@ require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/enumeratorize'
require_relative 'shared/delete_if'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
require_relative '../enumerable/shared/enumeratorized'
describe "Array#reject" do
@@ -47,6 +48,10 @@ describe "Array#reject" do
it_behaves_like :enumeratorized_with_origin_size, :reject, [1,2,3]
end
+describe "Array#reject" do
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :reject
+end
+
describe "Array#reject!" do
it "removes elements for which block is true" do
a = [3, 4, 5, 6, 7, 8, 9, 10, 11]
@@ -111,6 +116,11 @@ describe "Array#reject!" do
-> { ArraySpecs.empty_frozen_array.reject! {} }.should raise_error(FrozenError)
end
+ it "raises a FrozenError on a frozen array only during iteration if called without a block" do
+ enum = ArraySpecs.frozen_array.reject!
+ -> { enum.each {} }.should raise_error(FrozenError)
+ end
+
it "does not truncate the array is the block raises an exception" do
a = [1, 2, 3]
begin
@@ -141,3 +151,8 @@ describe "Array#reject!" do
it_behaves_like :enumeratorized_with_origin_size, :reject!, [1,2,3]
it_behaves_like :delete_if, :reject!
end
+
+describe "Array#reject!" do
+ @value_to_return = -> _ { false }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :reject!
+end
diff --git a/spec/ruby/core/array/reverse_each_spec.rb b/spec/ruby/core/array/reverse_each_spec.rb
index 97c84a2c2e..59dabcd33d 100644
--- a/spec/ruby/core/array/reverse_each_spec.rb
+++ b/spec/ruby/core/array/reverse_each_spec.rb
@@ -38,6 +38,20 @@ describe "Array#reverse_each" do
[1, 2, 3].reverse_each.size.should == 3
end
+ it "tolerates increasing an array size during iteration" do
+ array = [:a, :b, :c]
+ ScratchPad.record []
+ i = 0
+
+ array.reverse_each do |e|
+ ScratchPad << e
+ array.prepend i if i < 100
+ i += 1
+ end
+
+ ScratchPad.recorded.should == [:c, :a, 1]
+ end
+
it_behaves_like :enumeratorize, :reverse_each
it_behaves_like :enumeratorized_with_origin_size, :reverse_each, [1,2,3]
end
diff --git a/spec/ruby/core/array/rindex_spec.rb b/spec/ruby/core/array/rindex_spec.rb
index a75099e390..13de88818c 100644
--- a/spec/ruby/core/array/rindex_spec.rb
+++ b/spec/ruby/core/array/rindex_spec.rb
@@ -68,6 +68,21 @@ describe "Array#rindex" do
seen.should == [3]
end
+ it "tolerates increasing an array size during iteration" do
+ array = [:a, :b, :c]
+ ScratchPad.record []
+ i = 0
+
+ array.rindex do |e|
+ ScratchPad << e
+ array.prepend i if i < 100
+ i += 1
+ false
+ end
+
+ ScratchPad.recorded.should == [:c, :a, 1]
+ end
+
describe "given no argument and no block" do
it "produces an Enumerator" do
enum = [4, 2, 1, 5, 1, 3].rindex
diff --git a/spec/ruby/core/array/shared/collect.rb b/spec/ruby/core/array/shared/collect.rb
index 8d75f7db9a..030302ced6 100644
--- a/spec/ruby/core/array/shared/collect.rb
+++ b/spec/ruby/core/array/shared/collect.rb
@@ -1,4 +1,5 @@
require_relative '../../enumerable/shared/enumeratorized'
+require_relative '../shared/iterable_and_tolerating_size_increasing'
describe :array_collect, shared: true do
it "returns a copy of array with each element replaced by the value returned by block" do
@@ -46,6 +47,8 @@ describe :array_collect, shared: true do
@object = [1, 2, 3, 4]
end
it_should_behave_like :enumeratorized_with_origin_size
+
+ it_should_behave_like :array_iterable_and_tolerating_size_increasing
end
describe :array_collect_b, shared: true do
@@ -102,8 +105,37 @@ describe :array_collect_b, shared: true do
end
end
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.send(@method) { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
+ end
+
+ it "only changes elements before error is raised, keeping the element which raised an error." do
+ a = [1, 2, 3, 4]
+ begin
+ a.send(@method) do |e|
+ case e
+ when 1 then -1
+ when 2 then -2
+ when 3 then raise StandardError, 'Oops'
+ else 0
+ end
+ end
+ rescue StandardError
+ end
+
+ a.should == [-1, -2, 3, 4]
+ end
+
before :all do
@object = [1, 2, 3, 4]
end
it_should_behave_like :enumeratorized_with_origin_size
+
+ it_should_behave_like :array_iterable_and_tolerating_size_increasing
end
diff --git a/spec/ruby/core/array/shared/index.rb b/spec/ruby/core/array/shared/index.rb
index a9896554f2..a4a0adbab6 100644
--- a/spec/ruby/core/array/shared/index.rb
+++ b/spec/ruby/core/array/shared/index.rb
@@ -1,3 +1,5 @@
+require_relative '../shared/iterable_and_tolerating_size_increasing'
+
describe :array_index, shared: true do
it "returns the index of the first element == to object" do
x = mock('3')
@@ -34,4 +36,6 @@ describe :array_index, shared: true do
[].send(@method).should be_an_instance_of(Enumerator)
end
end
+
+ it_should_behave_like :array_iterable_and_tolerating_size_increasing
end
diff --git a/spec/ruby/core/array/shared/intersection.rb b/spec/ruby/core/array/shared/intersection.rb
index 49849b08c2..0b4166ab63 100644
--- a/spec/ruby/core/array/shared/intersection.rb
+++ b/spec/ruby/core/array/shared/intersection.rb
@@ -11,7 +11,8 @@ describe :array_intersection, shared: true do
end
it "creates an array with elements in order they are first encountered" do
- [ 1, 2, 3, 2, 5 ].send(@method, [ 5, 2, 3, 4 ]).should == [2, 3, 5]
+ [ 1, 2, 3, 2, 5, 6, 7, 8 ].send(@method, [ 5, 2, 3, 4 ]).should == [2, 3, 5] # array > other
+ [ 5, 2, 3, 4 ].send(@method, [ 1, 2, 3, 2, 5, 6, 7, 8 ]).should == [5, 2, 3] # array < other
end
it "does not modify the original Array" do
diff --git a/spec/ruby/core/array/shared/iterable_and_tolerating_size_increasing.rb b/spec/ruby/core/array/shared/iterable_and_tolerating_size_increasing.rb
new file mode 100644
index 0000000000..3e73bad44b
--- /dev/null
+++ b/spec/ruby/core/array/shared/iterable_and_tolerating_size_increasing.rb
@@ -0,0 +1,25 @@
+describe :array_iterable_and_tolerating_size_increasing, shared: true do
+ before do
+ @value_to_return ||= -> _ { nil }
+ end
+
+ it "tolerates increasing an array size during iteration" do
+ # The goal is to trigger potential reallocation of internal array storage, so we:
+ # - use elements of different types, starting with the less generic (Integer)
+ # - add reasonably big number of new elements (~ 100)
+ array = [1, 2, 3] # to test some methods we need several uniq elements
+ array_to_join = [:a, :b, :c] + (4..100).to_a
+
+ ScratchPad.record []
+ i = 0
+
+ array.send(@method) do |e|
+ ScratchPad << e
+ array << array_to_join[i] if i < array_to_join.size
+ i += 1
+ @value_to_return.call(e)
+ end
+
+ ScratchPad.recorded.should == [1, 2, 3] + array_to_join
+ end
+end
diff --git a/spec/ruby/core/array/shared/keep_if.rb b/spec/ruby/core/array/shared/keep_if.rb
index f26aff028c..43a047c0a7 100644
--- a/spec/ruby/core/array/shared/keep_if.rb
+++ b/spec/ruby/core/array/shared/keep_if.rb
@@ -1,4 +1,5 @@
require_relative '../../enumerable/shared/enumeratorized'
+require_relative '../shared/iterable_and_tolerating_size_increasing'
describe :keep_if, shared: true do
it "deletes elements for which the block returns a false value" do
@@ -56,5 +57,39 @@ describe :keep_if, shared: true do
-> { @frozen.send(@method) { false } }.should raise_error(FrozenError)
end
end
+
+ it "raises a FrozenError on a frozen array only during iteration if called without a block" do
+ enum = @frozen.send(@method)
+ -> { enum.each {} }.should raise_error(FrozenError)
+ end
+ end
+
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.send(@method) { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
end
+
+ it "only changes elements before error is raised, keeping the element which raised an error." do
+ a = [1, 2, 3, 4]
+ begin
+ a.send(@method) do |e|
+ case e
+ when 2 then false
+ when 3 then raise StandardError, 'Oops'
+ else true
+ end
+ end
+ rescue StandardError
+ end
+
+ a.should == [1, 3, 4]
+ end
+
+ @value_to_return = -> _ { true }
+ it_should_behave_like :array_iterable_and_tolerating_size_increasing
end
diff --git a/spec/ruby/core/array/shared/select.rb b/spec/ruby/core/array/shared/select.rb
index 09101e8ab5..9c2cbf76c4 100644
--- a/spec/ruby/core/array/shared/select.rb
+++ b/spec/ruby/core/array/shared/select.rb
@@ -2,11 +2,14 @@ require_relative '../../../spec_helper'
require_relative '../fixtures/classes'
require_relative '../shared/enumeratorize'
require_relative '../shared/keep_if'
+require_relative '../shared/iterable_and_tolerating_size_increasing'
require_relative '../../enumerable/shared/enumeratorized'
describe :array_select, shared: true do
it_should_behave_like :enumeratorize
+ it_should_behave_like :array_iterable_and_tolerating_size_increasing
+
before :each do
@object = [1,2,3]
end
diff --git a/spec/ruby/core/array/sort_by_spec.rb b/spec/ruby/core/array/sort_by_spec.rb
index 7cea6ec6d3..0334f953f6 100644
--- a/spec/ruby/core/array/sort_by_spec.rb
+++ b/spec/ruby/core/array/sort_by_spec.rb
@@ -1,5 +1,6 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
require_relative '../enumerable/shared/enumeratorized'
describe "Array#sort_by!" do
@@ -31,6 +32,11 @@ describe "Array#sort_by!" do
-> { ArraySpecs.empty_frozen_array.sort_by! {}}.should raise_error(FrozenError)
end
+ it "raises a FrozenError on a frozen array only during iteration if called without a block" do
+ enum = ArraySpecs.frozen_array.sort_by!
+ -> { enum.each {} }.should raise_error(FrozenError)
+ end
+
it "returns the specified value when it would break in the given block" do
[1, 2, 3].sort_by!{ break :a }.should == :a
end
@@ -48,5 +54,32 @@ describe "Array#sort_by!" do
[1].sort_by!(&:to_s).should == [1]
end
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.sort_by! { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
+ end
+
+ it "doesn't change array if error is raised" do
+ a = [4, 3, 2, 1]
+ begin
+ a.sort_by! do |e|
+ raise StandardError, 'Oops' if e == 1
+ e
+ end
+ rescue StandardError
+ end
+
+ a.should == [4, 3, 2, 1]
+ end
+
it_behaves_like :enumeratorized_with_origin_size, :sort_by!, [1,2,3]
end
+
+describe "Array#sort_by!" do
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :sort_by!
+end
diff --git a/spec/ruby/core/array/sum_spec.rb b/spec/ruby/core/array/sum_spec.rb
index 34635d9bc0..1f1d6b2f14 100644
--- a/spec/ruby/core/array/sum_spec.rb
+++ b/spec/ruby/core/array/sum_spec.rb
@@ -1,4 +1,5 @@
require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#sum" do
it "returns the sum of elements" do
@@ -69,3 +70,8 @@ describe "Array#sum" do
[b].sum(a).should == 42
end
end
+
+describe "Array#sum" do
+ @value_to_return = -> _ { 1 }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :sum
+end
diff --git a/spec/ruby/core/array/take_while_spec.rb b/spec/ruby/core/array/take_while_spec.rb
index 363419b265..73f25493c8 100644
--- a/spec/ruby/core/array/take_while_spec.rb
+++ b/spec/ruby/core/array/take_while_spec.rb
@@ -1,5 +1,6 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#take_while" do
it "returns all elements until the block returns false" do
@@ -26,3 +27,8 @@ describe "Array#take_while" do
end
end
end
+
+describe "Array#take_while" do
+ @value_to_return = -> _ { true }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :take_while
+end
diff --git a/spec/ruby/core/array/to_h_spec.rb b/spec/ruby/core/array/to_h_spec.rb
index f5a7e546e6..f4578211a1 100644
--- a/spec/ruby/core/array/to_h_spec.rb
+++ b/spec/ruby/core/array/to_h_spec.rb
@@ -1,5 +1,6 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#to_h" do
it "converts empty array to empty hash" do
@@ -77,3 +78,8 @@ describe "Array#to_h" do
end
end
end
+
+describe "Array#to_h" do
+ @value_to_return = -> e { [e, e.to_s] }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :to_h
+end
diff --git a/spec/ruby/core/array/uniq_spec.rb b/spec/ruby/core/array/uniq_spec.rb
index 4461cae16b..905ab59634 100644
--- a/spec/ruby/core/array/uniq_spec.rb
+++ b/spec/ruby/core/array/uniq_spec.rb
@@ -1,5 +1,6 @@
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
describe "Array#uniq" do
it "returns an array with no duplicates" do
@@ -131,6 +132,11 @@ describe "Array#uniq" do
end
end
+describe "Array#uniq" do
+ @value_to_return = -> e { e }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :uniq
+end
+
describe "Array#uniq!" do
it "modifies the array in place" do
a = [ "a", "a", "b", "b", "c" ]
@@ -214,4 +220,32 @@ describe "Array#uniq!" do
a.uniq!
a.should == [x]
end
+
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.send(@method) { raise StandardError, 'Oops' }
+ rescue
+ end
+
+ a.should == [1, 2, 3]
+ end
+
+ it "doesn't change array if error is raised" do
+ a = [1, 1, 2, 2, 3, 3, 4, 4]
+ begin
+ a.send(@method) do |e|
+ raise StandardError, 'Oops' if e == 3
+ e
+ end
+ rescue StandardError
+ end
+
+ a.should == [1, 1, 2, 2, 3, 3, 4, 4]
+ end
+end
+
+describe "Array#uniq!" do
+ @value_to_return = -> e { e }
+ it_behaves_like :array_iterable_and_tolerating_size_increasing, :uniq!
end