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-rw-r--r--spec/ruby/core/array/shared/clone.rb26
-rw-r--r--spec/ruby/core/array/shared/collect.rb83
-rw-r--r--spec/ruby/core/array/shared/delete_if.rb24
-rw-r--r--spec/ruby/core/array/shared/difference.rb78
-rw-r--r--spec/ruby/core/array/shared/index.rb4
-rw-r--r--spec/ruby/core/array/shared/inspect.rb51
-rw-r--r--spec/ruby/core/array/shared/intersection.rb85
-rw-r--r--spec/ruby/core/array/shared/iterable_and_tolerating_size_increasing.rb25
-rw-r--r--spec/ruby/core/array/shared/join.rb103
-rw-r--r--spec/ruby/core/array/shared/keep_if.rb49
-rw-r--r--spec/ruby/core/array/shared/push.rb6
-rw-r--r--spec/ruby/core/array/shared/replace.rb6
-rw-r--r--spec/ruby/core/array/shared/select.rb35
-rw-r--r--spec/ruby/core/array/shared/slice.rb442
-rw-r--r--spec/ruby/core/array/shared/union.rb79
-rw-r--r--spec/ruby/core/array/shared/unshift.rb26
16 files changed, 881 insertions, 241 deletions
diff --git a/spec/ruby/core/array/shared/clone.rb b/spec/ruby/core/array/shared/clone.rb
index 6fc7ae31eb..035b45ec99 100644
--- a/spec/ruby/core/array/shared/clone.rb
+++ b/spec/ruby/core/array/shared/clone.rb
@@ -7,8 +7,8 @@ describe :array_clone, shared: true do
it "produces a shallow copy where the references are directly copied" do
a = [mock('1'), mock('2')]
b = a.send @method
- b.first.object_id.should == a.first.object_id
- b.last.object_id.should == a.last.object_id
+ b.first.should equal a.first
+ b.last.should equal a.last
end
it "creates a new array containing all elements or the original" do
@@ -17,26 +17,4 @@ describe :array_clone, shared: true do
b.should == a
b.__id__.should_not == a.__id__
end
-
- it "copies taint status from the original" do
- a = [1, 2, 3, 4]
- b = [1, 2, 3, 4]
- a.taint
- aa = a.send @method
- bb = b.send @method
-
- aa.tainted?.should == true
- bb.tainted?.should == false
- end
-
- it "copies untrusted status from the original" do
- a = [1, 2, 3, 4]
- b = [1, 2, 3, 4]
- a.untrust
- aa = a.send @method
- bb = b.send @method
-
- aa.untrusted?.should == true
- bb.untrusted?.should == false
- end
end
diff --git a/spec/ruby/core/array/shared/collect.rb b/spec/ruby/core/array/shared/collect.rb
index f6bcfd8904..030302ced6 100644
--- a/spec/ruby/core/array/shared/collect.rb
+++ b/spec/ruby/core/array/shared/collect.rb
@@ -1,11 +1,12 @@
-require File.expand_path('../../../enumerable/shared/enumeratorized', __FILE__)
+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
a = ['a', 'b', 'c', 'd']
b = a.send(@method) { |i| i + '!' }
b.should == ["a!", "b!", "c!", "d!"]
- b.object_id.should_not == a.object_id
+ b.should_not equal a
end
it "does not return subclass instance" do
@@ -37,27 +38,17 @@ describe :array_collect, shared: true do
it "raises an ArgumentError when no block and with arguments" do
a = [1, 2, 3]
- lambda {
+ -> {
a.send(@method, :foo)
}.should raise_error(ArgumentError)
end
- it "does not copy tainted status" do
- a = [1, 2, 3]
- a.taint
- a.send(@method){|x| x}.tainted?.should be_false
- end
-
- it "does not copy untrusted status" do
- a = [1, 2, 3]
- a.untrust
- a.send(@method){|x| x}.untrusted?.should be_false
- 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
describe :array_collect_b, shared: true do
@@ -70,7 +61,7 @@ describe :array_collect_b, shared: true do
it "returns self" do
a = [1, 2, 3, 4, 5]
b = a.send(@method) {|i| i+1 }
- a.object_id.should == b.object_id
+ a.should equal b
end
it "returns the evaluated value of block but its contents is partially modified, if it broke in the block" do
@@ -94,43 +85,57 @@ describe :array_collect_b, shared: true do
a.should == ["1!", "2!", "3!"]
end
- it "keeps tainted status" do
- a = [1, 2, 3]
- a.taint
- a.tainted?.should be_true
- a.send(@method){|x| x}
- a.tainted?.should be_true
- end
-
- it "keeps untrusted status" do
- a = [1, 2, 3]
- a.untrust
- a.send(@method){|x| x}
- a.untrusted?.should be_true
- end
-
describe "when frozen" do
- it "raises a RuntimeError" do
- lambda { ArraySpecs.frozen_array.send(@method) {} }.should raise_error(RuntimeError)
+ it "raises a FrozenError" do
+ -> { ArraySpecs.frozen_array.send(@method) {} }.should raise_error(FrozenError)
end
- it "raises a RuntimeError when empty" do
- lambda { ArraySpecs.empty_frozen_array.send(@method) {} }.should raise_error(RuntimeError)
+ it "raises a FrozenError when empty" do
+ -> { ArraySpecs.empty_frozen_array.send(@method) {} }.should raise_error(FrozenError)
end
- it "raises a RuntimeError when calling #each on the returned Enumerator" do
+ it "raises a FrozenError when calling #each on the returned Enumerator" do
enumerator = ArraySpecs.frozen_array.send(@method)
- lambda { enumerator.each {|x| x } }.should raise_error(RuntimeError)
+ -> { enumerator.each {|x| x } }.should raise_error(FrozenError)
end
- it "raises a RuntimeError when calling #each on the returned Enumerator when empty" do
+ it "raises a FrozenError when calling #each on the returned Enumerator when empty" do
enumerator = ArraySpecs.empty_frozen_array.send(@method)
- lambda { enumerator.each {|x| x } }.should raise_error(RuntimeError)
+ -> { enumerator.each {|x| x } }.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 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/delete_if.rb b/spec/ruby/core/array/shared/delete_if.rb
index a9fb57e0d9..a3fdcf4fac 100644
--- a/spec/ruby/core/array/shared/delete_if.rb
+++ b/spec/ruby/core/array/shared/delete_if.rb
@@ -3,25 +3,11 @@ describe :delete_if, shared: true do
@object = [1,2,3]
end
- ruby_version_is "2.3" do
- it "updates the receiver after all blocks" do
- @object.send(@method) do |e|
- @object.length.should == 3
- true
- end
- @object.length.should == 0
- end
- end
-
- ruby_version_is ""..."2.3" do
- it "updates the receiver after each true block" do
- count = 0
- @object.send(@method) do |e|
- @object.length.should == (3 - count)
- count += 1
- true
- end
- @object.length.should == 0
+ it "updates the receiver after all blocks" do
+ @object.send(@method) do |e|
+ @object.length.should == 3
+ true
end
+ @object.length.should == 0
end
end
diff --git a/spec/ruby/core/array/shared/difference.rb b/spec/ruby/core/array/shared/difference.rb
new file mode 100644
index 0000000000..3e69050d82
--- /dev/null
+++ b/spec/ruby/core/array/shared/difference.rb
@@ -0,0 +1,78 @@
+describe :array_binary_difference, shared: true do
+ it "creates an array minus any items from other array" do
+ [].send(@method, [ 1, 2, 4 ]).should == []
+ [1, 2, 4].send(@method, []).should == [1, 2, 4]
+ [ 1, 2, 3, 4, 5 ].send(@method, [ 1, 2, 4 ]).should == [3, 5]
+ end
+
+ it "removes multiple items on the lhs equal to one on the rhs" do
+ [1, 1, 2, 2, 3, 3, 4, 5].send(@method, [1, 2, 4]).should == [3, 3, 5]
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.send(@method, empty).should == []
+
+ [].send(@method, ArraySpecs.recursive_array).should == []
+
+ array = ArraySpecs.recursive_array
+ array.send(@method, array).should == []
+ end
+
+ it "tries to convert the passed arguments to Arrays using #to_ary" do
+ obj = mock('[2,3,3,4]')
+ obj.should_receive(:to_ary).and_return([2, 3, 3, 4])
+ [1, 1, 2, 2, 3, 4].send(@method, obj).should == [1, 1]
+ end
+
+ it "raises a TypeError if the argument cannot be coerced to an Array by calling #to_ary" do
+ obj = mock('not an array')
+ -> { [1, 2, 3].send(@method, obj) }.should raise_error(TypeError)
+ end
+
+ it "does not return subclass instance for Array subclasses" do
+ ArraySpecs::MyArray[1, 2, 3].send(@method, []).should be_an_instance_of(Array)
+ ArraySpecs::MyArray[1, 2, 3].send(@method, ArraySpecs::MyArray[]).should be_an_instance_of(Array)
+ [1, 2, 3].send(@method, ArraySpecs::MyArray[]).should be_an_instance_of(Array)
+ end
+
+ it "does not call to_ary on array subclasses" do
+ [5, 6, 7].send(@method, ArraySpecs::ToAryArray[7]).should == [5, 6]
+ end
+
+ it "removes an item identified as equivalent via #hash and #eql?" do
+ obj1 = mock('1')
+ obj2 = mock('2')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.should_receive(:eql?).at_least(1).and_return(true)
+
+ [obj1].send(@method, [obj2]).should == []
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == []
+ end
+
+ it "doesn't remove an item with the same hash but not #eql?" do
+ obj1 = mock('1')
+ obj2 = mock('2')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.should_receive(:eql?).at_least(1).and_return(false)
+
+ [obj1].send(@method, [obj2]).should == [obj1]
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == [obj1, obj1]
+ end
+
+ it "removes 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].send(@method, [x]).should == []
+ end
+
+ it "is not destructive" do
+ a = [1, 2, 3]
+ a.send(@method, [1])
+ a.should == [1, 2, 3]
+ end
+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/inspect.rb b/spec/ruby/core/array/shared/inspect.rb
index 6a60781b45..af5128c645 100644
--- a/spec/ruby/core/array/shared/inspect.rb
+++ b/spec/ruby/core/array/shared/inspect.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../fixtures/encoded_strings', __FILE__)
+require_relative '../fixtures/encoded_strings'
describe :array_inspect, shared: true do
it "returns a string" do
@@ -19,7 +19,7 @@ describe :array_inspect, shared: true do
end
it "does not call #to_s on a String returned from #inspect" do
- str = "abc"
+ str = +"abc"
str.should_not_receive(:to_s)
[str].send(@method).should == '["abc"]'
@@ -55,7 +55,7 @@ describe :array_inspect, shared: true do
obj.should_receive(:inspect).and_return(obj)
obj.should_receive(:to_s).and_raise(Exception)
- lambda { [obj].send(@method) }.should raise_error(Exception)
+ -> { [obj].send(@method) }.should raise_error(Exception)
end
it "represents a recursive element with '[...]'" do
@@ -64,30 +64,6 @@ describe :array_inspect, shared: true do
ArraySpecs.empty_recursive_array.send(@method).should == "[[...]]"
end
- it "taints the result if the Array is non-empty and tainted" do
- [1, 2].taint.send(@method).tainted?.should be_true
- end
-
- it "does not taint the result if the Array is tainted but empty" do
- [].taint.send(@method).tainted?.should be_false
- end
-
- it "taints the result if an element is tainted" do
- ["str".taint].send(@method).tainted?.should be_true
- end
-
- it "untrusts the result if the Array is untrusted" do
- [1, 2].untrust.send(@method).untrusted?.should be_true
- end
-
- it "does not untrust the result if the Array is untrusted but empty" do
- [].untrust.send(@method).untrusted?.should be_false
- end
-
- it "untrusts the result if an element is untrusted" do
- ["str".untrust].send(@method).untrusted?.should be_true
- end
-
describe "with encoding" do
before :each do
@default_external_encoding = Encoding.default_external
@@ -121,24 +97,11 @@ describe :array_inspect, shared: true do
array.send(@method).encoding.name.should == "US-ASCII"
end
- ruby_version_is ''...'2.3' do
- it "raises if inspected result is not default external encoding" do
- utf_16be = mock("utf_16be")
- utf_16be.should_receive(:inspect).and_return(%<"utf_16be \u3042">.encode!(Encoding::UTF_16BE))
-
- lambda {
- [utf_16be].send(@method)
- }.should raise_error(Encoding::CompatibilityError)
- end
- end
-
- ruby_version_is '2.3' do
- it "does not raise if inspected result is not default external encoding" do
- utf_16be = mock("utf_16be")
- utf_16be.should_receive(:inspect).and_return(%<"utf_16be \u3042">.encode!(Encoding::UTF_16BE))
+ it "does not raise if inspected result is not default external encoding" do
+ utf_16be = mock(+"utf_16be")
+ utf_16be.should_receive(:inspect).and_return(%<"utf_16be \u3042">.encode(Encoding::UTF_16BE))
- [utf_16be].send(@method).should == '["utf_16be \u3042"]'
- end
+ [utf_16be].send(@method).should == '["utf_16be \u3042"]'
end
end
end
diff --git a/spec/ruby/core/array/shared/intersection.rb b/spec/ruby/core/array/shared/intersection.rb
new file mode 100644
index 0000000000..0b4166ab63
--- /dev/null
+++ b/spec/ruby/core/array/shared/intersection.rb
@@ -0,0 +1,85 @@
+describe :array_intersection, shared: true do
+ it "creates an array with elements common to both arrays (intersection)" do
+ [].send(@method, []).should == []
+ [1, 2].send(@method, []).should == []
+ [].send(@method, [1, 2]).should == []
+ [ 1, 3, 5 ].send(@method, [ 1, 2, 3 ]).should == [1, 3]
+ end
+
+ it "creates an array with no duplicates" do
+ [ 1, 1, 3, 5 ].send(@method, [ 1, 2, 3 ]).uniq!.should == nil
+ end
+
+ it "creates an array with elements in order they are first encountered" do
+ [ 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
+ a = [1, 1, 3, 5]
+ a.send(@method, [1, 2, 3]).should == [1, 3]
+ a.should == [1, 1, 3, 5]
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.send(@method, empty).should == empty
+
+ ArraySpecs.recursive_array.send(@method, []).should == []
+ [].send(@method, ArraySpecs.recursive_array).should == []
+
+ ArraySpecs.recursive_array.send(@method, ArraySpecs.recursive_array).should == [1, 'two', 3.0, ArraySpecs.recursive_array]
+ 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].send(@method, obj).should == ([1, 2])
+ end
+
+ it "determines equivalence between elements in the sense of eql?" do
+ not_supported_on :opal do
+ [5.0, 4.0].send(@method, [5, 4]).should == []
+ end
+
+ str = "x"
+ [str].send(@method, [str.dup]).should == [str]
+
+ obj1 = mock('1')
+ obj2 = mock('2')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.should_receive(:eql?).at_least(1).and_return(true)
+ obj2.stub!(:eql?).and_return(true)
+
+ [obj1].send(@method, [obj2]).should == [obj1]
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == [obj1]
+
+ obj1 = mock('3')
+ obj2 = mock('4')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj1.should_receive(:eql?).at_least(1).and_return(false)
+
+ [obj1].send(@method, [obj2]).should == []
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == [obj2]
+ end
+
+ it "does return subclass instances for Array subclasses" do
+ ArraySpecs::MyArray[1, 2, 3].send(@method, []).should be_an_instance_of(Array)
+ ArraySpecs::MyArray[1, 2, 3].send(@method, ArraySpecs::MyArray[1, 2, 3]).should be_an_instance_of(Array)
+ [].send(@method, ArraySpecs::MyArray[1, 2, 3]).should be_an_instance_of(Array)
+ end
+
+ it "does not call to_ary on array subclasses" do
+ [5, 6].send(@method, ArraySpecs::ToAryArray[1, 2, 5, 6]).should == [5, 6]
+ 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].send(@method, [x]).should == [x]
+ end
+end
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/join.rb b/spec/ruby/core/array/shared/join.rb
index fa66588b47..507b13e3c8 100644
--- a/spec/ruby/core/array/shared/join.rb
+++ b/spec/ruby/core/array/shared/join.rb
@@ -1,5 +1,5 @@
-require File.expand_path('../../fixtures/classes', __FILE__)
-require File.expand_path('../../fixtures/encoded_strings', __FILE__)
+require_relative '../fixtures/classes'
+require_relative '../fixtures/encoded_strings'
describe :array_join_with_default_separator, shared: true do
before :each do
@@ -19,8 +19,10 @@ describe :array_join_with_default_separator, shared: true do
end
it "returns a string formed by concatenating each String element separated by $," do
- $, = " | "
- ["1", "2", "3"].send(@method).should == "1 | 2 | 3"
+ suppress_warning {
+ $, = " | "
+ ["1", "2", "3"].send(@method).should == "1 | 2 | 3"
+ }
end
it "attempts coercion via #to_str first" do
@@ -47,48 +49,20 @@ describe :array_join_with_default_separator, shared: true do
it "raises a NoMethodError if an element does not respond to #to_str, #to_ary, or #to_s" do
obj = mock('o')
class << obj; undef :to_s; end
- lambda { [1, obj].send(@method) }.should raise_error(NoMethodError)
+ -> { [1, obj].send(@method) }.should raise_error(NoMethodError)
end
it "raises an ArgumentError when the Array is recursive" do
- lambda { ArraySpecs.recursive_array.send(@method) }.should raise_error(ArgumentError)
- lambda { ArraySpecs.head_recursive_array.send(@method) }.should raise_error(ArgumentError)
- lambda { ArraySpecs.empty_recursive_array.send(@method) }.should raise_error(ArgumentError)
- end
-
- it "taints the result if the Array is tainted and non-empty" do
- [1, 2].taint.send(@method).tainted?.should be_true
- end
-
- it "does not taint the result if the Array is tainted but empty" do
- [].taint.send(@method).tainted?.should be_false
- end
-
- it "taints the result if the result of coercing an element is tainted" do
- s = mock("taint")
- s.should_receive(:to_s).and_return("str".taint)
- [s].send(@method).tainted?.should be_true
- end
-
- it "untrusts the result if the Array is untrusted and non-empty" do
- [1, 2].untrust.send(@method).untrusted?.should be_true
- end
-
- it "does not untrust the result if the Array is untrusted but empty" do
- [].untrust.send(@method).untrusted?.should be_false
- end
-
- it "untrusts the result if the result of coercing an element is untrusted" do
- s = mock("untrust")
- s.should_receive(:to_s).and_return("str".untrust)
- [s].send(@method).untrusted?.should be_true
+ -> { ArraySpecs.recursive_array.send(@method) }.should raise_error(ArgumentError)
+ -> { ArraySpecs.head_recursive_array.send(@method) }.should raise_error(ArgumentError)
+ -> { ArraySpecs.empty_recursive_array.send(@method) }.should raise_error(ArgumentError)
end
it "uses the first encoding when other strings are compatible" do
ary1 = ArraySpecs.array_with_7bit_utf8_and_usascii_strings
ary2 = ArraySpecs.array_with_usascii_and_7bit_utf8_strings
- ary3 = ArraySpecs.array_with_utf8_and_7bit_ascii8bit_strings
- ary4 = ArraySpecs.array_with_usascii_and_7bit_ascii8bit_strings
+ ary3 = ArraySpecs.array_with_utf8_and_7bit_binary_strings
+ ary4 = ArraySpecs.array_with_usascii_and_7bit_binary_strings
ary1.send(@method).encoding.should == Encoding::UTF_8
ary2.send(@method).encoding.should == Encoding::US_ASCII
@@ -105,9 +79,22 @@ describe :array_join_with_default_separator, shared: true do
end
it "fails for arrays with incompatibly-encoded strings" do
- ary_utf8_bad_ascii8bit = ArraySpecs.array_with_utf8_and_ascii8bit_strings
+ ary_utf8_bad_binary = ArraySpecs.array_with_utf8_and_binary_strings
- lambda { ary_utf8_bad_ascii8bit.send(@method) }.should raise_error(EncodingError)
+ -> { ary_utf8_bad_binary.send(@method) }.should raise_error(EncodingError)
+ end
+
+ context "when $, is not nil" do
+ before do
+ suppress_warning do
+ $, = '*'
+ end
+ end
+
+ it "warns" do
+ -> { [].join }.should complain(/warning: \$, is set to non-nil value/)
+ -> { [].join(nil) }.should complain(/warning: \$, is set to non-nil value/)
+ end
end
end
@@ -122,40 +109,4 @@ describe :array_join_with_string_separator, shared: true do
[1, [2, [3, 4], 5], 6].send(@method, ":").should == "1:2:3:4:5:6"
[1, [2, ArraySpecs::MyArray[3, 4], 5], 6].send(@method, ":").should == "1:2:3:4:5:6"
end
-
- describe "with a tainted separator" do
- before :each do
- @sep = ":".taint
- end
-
- it "does not taint the result if the array is empty" do
- [].send(@method, @sep).tainted?.should be_false
- end
-
- it "does not taint the result if the array has only one element" do
- [1].send(@method, @sep).tainted?.should be_false
- end
-
- it "taints the result if the array has two or more elements" do
- [1, 2].send(@method, @sep).tainted?.should be_true
- end
- end
-
- describe "with an untrusted separator" do
- before :each do
- @sep = ":".untrust
- end
-
- it "does not untrust the result if the array is empty" do
- [].send(@method, @sep).untrusted?.should be_false
- end
-
- it "does not untrust the result if the array has only one element" do
- [1].send(@method, @sep).untrusted?.should be_false
- end
-
- it "untrusts the result if the array has two or more elements" do
- [1, 2].send(@method, @sep).untrusted?.should be_true
- end
- end
end
diff --git a/spec/ruby/core/array/shared/keep_if.rb b/spec/ruby/core/array/shared/keep_if.rb
index 581ba31d1b..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 File.expand_path('../../../enumerable/shared/enumeratorized', __FILE__)
+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
@@ -37,24 +38,58 @@ describe :keep_if, shared: true do
describe "with truthy block" do
it "keeps elements after any exception" do
- lambda { @frozen.send(@method) { true } }.should raise_error(Exception)
+ -> { @frozen.send(@method) { true } }.should raise_error(Exception)
@frozen.should == @origin
end
- it "raises a RuntimeError" do
- lambda { @frozen.send(@method) { true } }.should raise_error(RuntimeError)
+ it "raises a FrozenError" do
+ -> { @frozen.send(@method) { true } }.should raise_error(FrozenError)
end
end
describe "with falsy block" do
it "keeps elements after any exception" do
- lambda { @frozen.send(@method) { false } }.should raise_error(Exception)
+ -> { @frozen.send(@method) { false } }.should raise_error(Exception)
@frozen.should == @origin
end
- it "raises a RuntimeError" do
- lambda { @frozen.send(@method) { false } }.should raise_error(RuntimeError)
+ it "raises a FrozenError" 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/push.rb b/spec/ruby/core/array/shared/push.rb
index 5951b71a19..ac790fb6a4 100644
--- a/spec/ruby/core/array/shared/push.rb
+++ b/spec/ruby/core/array/shared/push.rb
@@ -26,8 +26,8 @@ describe :array_push, shared: true do
array.send(@method, :last).should == [1, 'two', 3.0, array, array, array, array, array, :last]
end
- it "raises a RuntimeError on a frozen array" do
- lambda { ArraySpecs.frozen_array.send(@method, 1) }.should raise_error(RuntimeError)
- lambda { ArraySpecs.frozen_array.send(@method) }.should raise_error(RuntimeError)
+ it "raises a FrozenError on a frozen array" do
+ -> { ArraySpecs.frozen_array.send(@method, 1) }.should raise_error(FrozenError)
+ -> { ArraySpecs.frozen_array.send(@method) }.should raise_error(FrozenError)
end
end
diff --git a/spec/ruby/core/array/shared/replace.rb b/spec/ruby/core/array/shared/replace.rb
index 8442d9a841..9a6e60c1b0 100644
--- a/spec/ruby/core/array/shared/replace.rb
+++ b/spec/ruby/core/array/shared/replace.rb
@@ -52,9 +52,9 @@ describe :array_replace, shared: true do
[].send(@method, ArraySpecs::ToAryArray[5, 6, 7]).should == [5, 6, 7]
end
- it "raises a RuntimeError on a frozen array" do
- lambda {
+ it "raises a FrozenError on a frozen array" do
+ -> {
ArraySpecs.frozen_array.send(@method, ArraySpecs.frozen_array)
- }.should raise_error(RuntimeError)
+ }.should raise_error(FrozenError)
end
end
diff --git a/spec/ruby/core/array/shared/select.rb b/spec/ruby/core/array/shared/select.rb
new file mode 100644
index 0000000000..9c2cbf76c4
--- /dev/null
+++ b/spec/ruby/core/array/shared/select.rb
@@ -0,0 +1,35 @@
+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
+ it_should_behave_like :enumeratorized_with_origin_size
+
+ it "returns a new array of elements for which block is true" do
+ [1, 3, 4, 5, 6, 9].send(@method) { |i| i % ((i + 1) / 2) == 0}.should == [1, 4, 6]
+ end
+
+ it "does not return subclass instance on Array subclasses" do
+ ArraySpecs::MyArray[1, 2, 3].send(@method) { true }.should be_an_instance_of(Array)
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.send(@method) { true }.should == empty
+ empty.send(@method) { false }.should == []
+
+ array = ArraySpecs.recursive_array
+ array.send(@method) { true }.should == [1, 'two', 3.0, array, array, array, array, array]
+ array.send(@method) { false }.should == []
+ end
+end
diff --git a/spec/ruby/core/array/shared/slice.rb b/spec/ruby/core/array/shared/slice.rb
index b3f4ccb9a6..b80261d32f 100644
--- a/spec/ruby/core/array/shared/slice.rb
+++ b/spec/ruby/core/array/shared/slice.rb
@@ -117,6 +117,27 @@ describe :array_slice, shared: true do
a.send(@method, 0, obj).should == [1, 2]
end
+ it "raises TypeError if to_int returns non-integer" do
+ from = mock('from')
+ to = mock('to')
+
+ # So we can construct a range out of them...
+ def from.<=>(o) 0 end
+ def to.<=>(o) 0 end
+
+ a = [1, 2, 3, 4, 5]
+
+ def from.to_int() 'cat' end
+ def to.to_int() -2 end
+
+ -> { a.send(@method, from..to) }.should raise_error(TypeError)
+
+ def from.to_int() 1 end
+ def to.to_int() 'cat' end
+
+ -> { a.send(@method, from..to) }.should raise_error(TypeError)
+ end
+
it "returns the elements specified by Range indexes with [m..n]" do
[ "a", "b", "c", "d", "e" ].send(@method, 1..3).should == ["b", "c", "d"]
[ "a", "b", "c", "d", "e" ].send(@method, 4..-1).should == ['e']
@@ -266,10 +287,10 @@ describe :array_slice, shared: true do
a.send(@method, 1..0).should == []
a.send(@method, 1...0).should == []
- lambda { a.send(@method, "a" .. "b") }.should raise_error(TypeError)
- lambda { a.send(@method, "a" ... "b") }.should raise_error(TypeError)
- lambda { a.send(@method, from .. "b") }.should raise_error(TypeError)
- lambda { a.send(@method, from ... "b") }.should raise_error(TypeError)
+ -> { a.send(@method, "a" .. "b") }.should raise_error(TypeError)
+ -> { a.send(@method, "a" ... "b") }.should raise_error(TypeError)
+ -> { a.send(@method, from .. "b") }.should raise_error(TypeError)
+ -> { a.send(@method, from ... "b") }.should raise_error(TypeError)
end
it "returns the same elements as [m..n] and [m...n] with Range subclasses" do
@@ -376,28 +397,28 @@ describe :array_slice, shared: true do
@array = ArraySpecs::MyArray[1, 2, 3, 4, 5]
end
- it "returns a subclass instance with [n, m]" do
- @array.send(@method, 0, 2).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [n, m]" do
+ @array.send(@method, 0, 2).should be_an_instance_of(Array)
end
- it "returns a subclass instance with [-n, m]" do
- @array.send(@method, -3, 2).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [-n, m]" do
+ @array.send(@method, -3, 2).should be_an_instance_of(Array)
end
- it "returns a subclass instance with [n..m]" do
- @array.send(@method, 1..3).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [n..m]" do
+ @array.send(@method, 1..3).should be_an_instance_of(Array)
end
- it "returns a subclass instance with [n...m]" do
- @array.send(@method, 1...3).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [n...m]" do
+ @array.send(@method, 1...3).should be_an_instance_of(Array)
end
- it "returns a subclass instance with [-n..-m]" do
- @array.send(@method, -3..-1).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [-n..-m]" do
+ @array.send(@method, -3..-1).should be_an_instance_of(Array)
end
- it "returns a subclass instance with [-n...-m]" do
- @array.send(@method, -3...-1).should be_an_instance_of(ArraySpecs::MyArray)
+ it "returns a Array instance with [-n...-m]" do
+ @array.send(@method, -3...-1).should be_an_instance_of(Array)
end
it "returns an empty array when m == n with [m...n]" do
@@ -440,20 +461,397 @@ describe :array_slice, shared: true do
it "raises a RangeError when the start index is out of range of Fixnum" do
array = [1, 2, 3, 4, 5, 6]
obj = mock('large value')
- obj.should_receive(:to_int).and_return(0x8000_0000_0000_0000_0000)
- lambda { array.send(@method, obj) }.should raise_error(RangeError)
+ obj.should_receive(:to_int).and_return(bignum_value)
+ -> { array.send(@method, obj) }.should raise_error(RangeError)
obj = 8e19
- lambda { array.send(@method, obj) }.should raise_error(RangeError)
+ -> { array.send(@method, obj) }.should raise_error(RangeError)
+
+ # boundary value when longs are 64 bits
+ -> { array.send(@method, 2.0**63) }.should raise_error(RangeError)
+
+ # just under the boundary value when longs are 64 bits
+ array.send(@method, max_long.to_f.prev_float).should == nil
end
it "raises a RangeError when the length is out of range of Fixnum" do
array = [1, 2, 3, 4, 5, 6]
obj = mock('large value')
- obj.should_receive(:to_int).and_return(0x8000_0000_0000_0000_0000)
- lambda { array.send(@method, 1, obj) }.should raise_error(RangeError)
+ obj.should_receive(:to_int).and_return(bignum_value)
+ -> { array.send(@method, 1, obj) }.should raise_error(RangeError)
obj = 8e19
- lambda { array.send(@method, 1, obj) }.should raise_error(RangeError)
+ -> { array.send(@method, 1, obj) }.should raise_error(RangeError)
+ end
+
+ it "raises a type error if a range is passed with a length" do
+ ->{ [1, 2, 3].send(@method, 1..2, 1) }.should raise_error(TypeError)
+ end
+
+ it "raises a RangeError if passed a range with a bound that is too large" do
+ array = [1, 2, 3, 4, 5, 6]
+ -> { array.send(@method, bignum_value..(bignum_value + 1)) }.should raise_error(RangeError)
+ -> { array.send(@method, 0..bignum_value) }.should raise_error(RangeError)
+ end
+
+ it "can accept endless ranges" do
+ a = [0, 1, 2, 3, 4, 5]
+ a.send(@method, eval("(2..)")).should == [2, 3, 4, 5]
+ a.send(@method, eval("(2...)")).should == [2, 3, 4, 5]
+ a.send(@method, eval("(-2..)")).should == [4, 5]
+ a.send(@method, eval("(-2...)")).should == [4, 5]
+ a.send(@method, eval("(9..)")).should == nil
+ a.send(@method, eval("(9...)")).should == nil
+ a.send(@method, eval("(-9..)")).should == nil
+ a.send(@method, eval("(-9...)")).should == nil
+ end
+
+ describe "can be sliced with Enumerator::ArithmeticSequence" do
+ before :each do
+ @array = [0, 1, 2, 3, 4, 5]
+ end
+
+ it "has endless range and positive steps" do
+ @array.send(@method, eval("(0..).step(1)")).should == [0, 1, 2, 3, 4, 5]
+ @array.send(@method, eval("(0..).step(2)")).should == [0, 2, 4]
+ @array.send(@method, eval("(0..).step(10)")).should == [0]
+
+ @array.send(@method, eval("(2..).step(1)")).should == [2, 3, 4, 5]
+ @array.send(@method, eval("(2..).step(2)")).should == [2, 4]
+ @array.send(@method, eval("(2..).step(10)")).should == [2]
+
+ @array.send(@method, eval("(-3..).step(1)")).should == [3, 4, 5]
+ @array.send(@method, eval("(-3..).step(2)")).should == [3, 5]
+ @array.send(@method, eval("(-3..).step(10)")).should == [3]
+ end
+
+ it "has beginless range and positive steps" do
+ # end with zero index
+ @array.send(@method, (..0).step(1)).should == [0]
+ @array.send(@method, (...0).step(1)).should == []
+
+ @array.send(@method, (..0).step(2)).should == [0]
+ @array.send(@method, (...0).step(2)).should == []
+
+ @array.send(@method, (..0).step(10)).should == [0]
+ @array.send(@method, (...0).step(10)).should == []
+
+ # end with positive index
+ @array.send(@method, (..3).step(1)).should == [0, 1, 2, 3]
+ @array.send(@method, (...3).step(1)).should == [0, 1, 2]
+
+ @array.send(@method, (..3).step(2)).should == [0, 2]
+ @array.send(@method, (...3).step(2)).should == [0, 2]
+
+ @array.send(@method, (..3).step(10)).should == [0]
+ @array.send(@method, (...3).step(10)).should == [0]
+
+ # end with negative index
+ @array.send(@method, (..-2).step(1)).should == [0, 1, 2, 3, 4,]
+ @array.send(@method, (...-2).step(1)).should == [0, 1, 2, 3]
+
+ @array.send(@method, (..-2).step(2)).should == [0, 2, 4]
+ @array.send(@method, (...-2).step(2)).should == [0, 2]
+
+ @array.send(@method, (..-2).step(10)).should == [0]
+ @array.send(@method, (...-2).step(10)).should == [0]
+ end
+
+ it "has endless range and negative steps" do
+ @array.send(@method, eval("(0..).step(-1)")).should == [0]
+ @array.send(@method, eval("(0..).step(-2)")).should == [0]
+ @array.send(@method, eval("(0..).step(-10)")).should == [0]
+
+ @array.send(@method, eval("(2..).step(-1)")).should == [2, 1, 0]
+ @array.send(@method, eval("(2..).step(-2)")).should == [2, 0]
+
+ @array.send(@method, eval("(-3..).step(-1)")).should == [3, 2, 1, 0]
+ @array.send(@method, eval("(-3..).step(-2)")).should == [3, 1]
+ end
+
+ it "has closed range and positive steps" do
+ # start and end with 0
+ @array.send(@method, eval("(0..0).step(1)")).should == [0]
+ @array.send(@method, eval("(0...0).step(1)")).should == []
+
+ @array.send(@method, eval("(0..0).step(2)")).should == [0]
+ @array.send(@method, eval("(0...0).step(2)")).should == []
+
+ @array.send(@method, eval("(0..0).step(10)")).should == [0]
+ @array.send(@method, eval("(0...0).step(10)")).should == []
+
+ # start and end with positive index
+ @array.send(@method, eval("(1..3).step(1)")).should == [1, 2, 3]
+ @array.send(@method, eval("(1...3).step(1)")).should == [1, 2]
+
+ @array.send(@method, eval("(1..3).step(2)")).should == [1, 3]
+ @array.send(@method, eval("(1...3).step(2)")).should == [1]
+
+ @array.send(@method, eval("(1..3).step(10)")).should == [1]
+ @array.send(@method, eval("(1...3).step(10)")).should == [1]
+
+ # start with positive index, end with negative index
+ @array.send(@method, eval("(1..-2).step(1)")).should == [1, 2, 3, 4]
+ @array.send(@method, eval("(1...-2).step(1)")).should == [1, 2, 3]
+
+ @array.send(@method, eval("(1..-2).step(2)")).should == [1, 3]
+ @array.send(@method, eval("(1...-2).step(2)")).should == [1, 3]
+
+ @array.send(@method, eval("(1..-2).step(10)")).should == [1]
+ @array.send(@method, eval("(1...-2).step(10)")).should == [1]
+
+ # start with negative index, end with positive index
+ @array.send(@method, eval("(-4..4).step(1)")).should == [2, 3, 4]
+ @array.send(@method, eval("(-4...4).step(1)")).should == [2, 3]
+
+ @array.send(@method, eval("(-4..4).step(2)")).should == [2, 4]
+ @array.send(@method, eval("(-4...4).step(2)")).should == [2]
+
+ @array.send(@method, eval("(-4..4).step(10)")).should == [2]
+ @array.send(@method, eval("(-4...4).step(10)")).should == [2]
+
+ # start with negative index, end with negative index
+ @array.send(@method, eval("(-4..-2).step(1)")).should == [2, 3, 4]
+ @array.send(@method, eval("(-4...-2).step(1)")).should == [2, 3]
+
+ @array.send(@method, eval("(-4..-2).step(2)")).should == [2, 4]
+ @array.send(@method, eval("(-4...-2).step(2)")).should == [2]
+
+ @array.send(@method, eval("(-4..-2).step(10)")).should == [2]
+ @array.send(@method, eval("(-4...-2).step(10)")).should == [2]
+ end
+
+ it "has closed range and negative steps" do
+ # start and end with 0
+ @array.send(@method, eval("(0..0).step(-1)")).should == [0]
+ @array.send(@method, eval("(0...0).step(-1)")).should == []
+
+ @array.send(@method, eval("(0..0).step(-2)")).should == [0]
+ @array.send(@method, eval("(0...0).step(-2)")).should == []
+
+ @array.send(@method, eval("(0..0).step(-10)")).should == [0]
+ @array.send(@method, eval("(0...0).step(-10)")).should == []
+
+ # start and end with positive index
+ @array.send(@method, eval("(1..3).step(-1)")).should == []
+ @array.send(@method, eval("(1...3).step(-1)")).should == []
+
+ @array.send(@method, eval("(1..3).step(-2)")).should == []
+ @array.send(@method, eval("(1...3).step(-2)")).should == []
+
+ @array.send(@method, eval("(1..3).step(-10)")).should == []
+ @array.send(@method, eval("(1...3).step(-10)")).should == []
+
+ # start with positive index, end with negative index
+ @array.send(@method, eval("(1..-2).step(-1)")).should == []
+ @array.send(@method, eval("(1...-2).step(-1)")).should == []
+
+ @array.send(@method, eval("(1..-2).step(-2)")).should == []
+ @array.send(@method, eval("(1...-2).step(-2)")).should == []
+
+ @array.send(@method, eval("(1..-2).step(-10)")).should == []
+ @array.send(@method, eval("(1...-2).step(-10)")).should == []
+
+ # start with negative index, end with positive index
+ @array.send(@method, eval("(-4..4).step(-1)")).should == []
+ @array.send(@method, eval("(-4...4).step(-1)")).should == []
+
+ @array.send(@method, eval("(-4..4).step(-2)")).should == []
+ @array.send(@method, eval("(-4...4).step(-2)")).should == []
+
+ @array.send(@method, eval("(-4..4).step(-10)")).should == []
+ @array.send(@method, eval("(-4...4).step(-10)")).should == []
+
+ # start with negative index, end with negative index
+ @array.send(@method, eval("(-4..-2).step(-1)")).should == []
+ @array.send(@method, eval("(-4...-2).step(-1)")).should == []
+
+ @array.send(@method, eval("(-4..-2).step(-2)")).should == []
+ @array.send(@method, eval("(-4...-2).step(-2)")).should == []
+
+ @array.send(@method, eval("(-4..-2).step(-10)")).should == []
+ @array.send(@method, eval("(-4...-2).step(-10)")).should == []
+ end
+
+ it "has inverted closed range and positive steps" do
+ # start and end with positive index
+ @array.send(@method, eval("(3..1).step(1)")).should == []
+ @array.send(@method, eval("(3...1).step(1)")).should == []
+
+ @array.send(@method, eval("(3..1).step(2)")).should == []
+ @array.send(@method, eval("(3...1).step(2)")).should == []
+
+ @array.send(@method, eval("(3..1).step(10)")).should == []
+ @array.send(@method, eval("(3...1).step(10)")).should == []
+
+ # start with negative index, end with positive index
+ @array.send(@method, eval("(-2..1).step(1)")).should == []
+ @array.send(@method, eval("(-2...1).step(1)")).should == []
+
+ @array.send(@method, eval("(-2..1).step(2)")).should == []
+ @array.send(@method, eval("(-2...1).step(2)")).should == []
+
+ @array.send(@method, eval("(-2..1).step(10)")).should == []
+ @array.send(@method, eval("(-2...1).step(10)")).should == []
+
+ # start with positive index, end with negative index
+ @array.send(@method, eval("(4..-4).step(1)")).should == []
+ @array.send(@method, eval("(4...-4).step(1)")).should == []
+
+ @array.send(@method, eval("(4..-4).step(2)")).should == []
+ @array.send(@method, eval("(4...-4).step(2)")).should == []
+
+ @array.send(@method, eval("(4..-4).step(10)")).should == []
+ @array.send(@method, eval("(4...-4).step(10)")).should == []
+
+ # start with negative index, end with negative index
+ @array.send(@method, eval("(-2..-4).step(1)")).should == []
+ @array.send(@method, eval("(-2...-4).step(1)")).should == []
+
+ @array.send(@method, eval("(-2..-4).step(2)")).should == []
+ @array.send(@method, eval("(-2...-4).step(2)")).should == []
+
+ @array.send(@method, eval("(-2..-4).step(10)")).should == []
+ @array.send(@method, eval("(-2...-4).step(10)")).should == []
+ end
+
+ it "has range with bounds outside of array" do
+ # end is equal to array's length
+ @array.send(@method, (0..6).step(1)).should == [0, 1, 2, 3, 4, 5]
+ -> { @array.send(@method, (0..6).step(2)) }.should raise_error(RangeError)
+
+ # end is greater than length with positive steps
+ @array.send(@method, (1..6).step(2)).should == [1, 3, 5]
+ @array.send(@method, (2..7).step(2)).should == [2, 4]
+ -> { @array.send(@method, (2..8).step(2)) }.should raise_error(RangeError)
+
+ # begin is greater than length with negative steps
+ @array.send(@method, (6..1).step(-2)).should == [5, 3, 1]
+ @array.send(@method, (7..2).step(-2)).should == [5, 3]
+ -> { @array.send(@method, (8..2).step(-2)) }.should raise_error(RangeError)
+ end
+
+ it "has endless range with start outside of array's bounds" do
+ @array.send(@method, eval("(6..).step(1)")).should == []
+ @array.send(@method, eval("(7..).step(1)")).should == nil
+
+ @array.send(@method, eval("(6..).step(2)")).should == []
+ -> { @array.send(@method, eval("(7..).step(2)")) }.should raise_error(RangeError)
+ end
+ end
+
+ it "can accept beginless ranges" do
+ a = [0, 1, 2, 3, 4, 5]
+ a.send(@method, (..3)).should == [0, 1, 2, 3]
+ a.send(@method, (...3)).should == [0, 1, 2]
+ a.send(@method, (..-3)).should == [0, 1, 2, 3]
+ a.send(@method, (...-3)).should == [0, 1, 2]
+ a.send(@method, (..0)).should == [0]
+ a.send(@method, (...0)).should == []
+ a.send(@method, (..9)).should == [0, 1, 2, 3, 4, 5]
+ a.send(@method, (...9)).should == [0, 1, 2, 3, 4, 5]
+ a.send(@method, (..-9)).should == []
+ a.send(@method, (...-9)).should == []
+ end
+
+ describe "can be sliced with Enumerator::ArithmeticSequence" do
+ it "with infinite/inverted ranges and negative steps" do
+ @array = [0, 1, 2, 3, 4, 5]
+ @array.send(@method, (2..).step(-1)).should == [2, 1, 0]
+ @array.send(@method, (2..).step(-2)).should == [2, 0]
+ @array.send(@method, (2..).step(-3)).should == [2]
+ @array.send(@method, (2..).step(-4)).should == [2]
+
+ @array.send(@method, (-3..).step(-1)).should == [3, 2, 1, 0]
+ @array.send(@method, (-3..).step(-2)).should == [3, 1]
+ @array.send(@method, (-3..).step(-3)).should == [3, 0]
+ @array.send(@method, (-3..).step(-4)).should == [3]
+ @array.send(@method, (-3..).step(-5)).should == [3]
+
+ @array.send(@method, (..0).step(-1)).should == [5, 4, 3, 2, 1, 0]
+ @array.send(@method, (..0).step(-2)).should == [5, 3, 1]
+ @array.send(@method, (..0).step(-3)).should == [5, 2]
+ @array.send(@method, (..0).step(-4)).should == [5, 1]
+ @array.send(@method, (..0).step(-5)).should == [5, 0]
+ @array.send(@method, (..0).step(-6)).should == [5]
+ @array.send(@method, (..0).step(-7)).should == [5]
+
+ @array.send(@method, (...0).step(-1)).should == [5, 4, 3, 2, 1]
+ @array.send(@method, (...0).step(-2)).should == [5, 3, 1]
+ @array.send(@method, (...0).step(-3)).should == [5, 2]
+ @array.send(@method, (...0).step(-4)).should == [5, 1]
+ @array.send(@method, (...0).step(-5)).should == [5]
+ @array.send(@method, (...0).step(-6)).should == [5]
+
+ @array.send(@method, (...1).step(-1)).should == [5, 4, 3, 2]
+ @array.send(@method, (...1).step(-2)).should == [5, 3]
+ @array.send(@method, (...1).step(-3)).should == [5, 2]
+ @array.send(@method, (...1).step(-4)).should == [5]
+ @array.send(@method, (...1).step(-5)).should == [5]
+
+ @array.send(@method, (..-5).step(-1)).should == [5, 4, 3, 2, 1]
+ @array.send(@method, (..-5).step(-2)).should == [5, 3, 1]
+ @array.send(@method, (..-5).step(-3)).should == [5, 2]
+ @array.send(@method, (..-5).step(-4)).should == [5, 1]
+ @array.send(@method, (..-5).step(-5)).should == [5]
+ @array.send(@method, (..-5).step(-6)).should == [5]
+
+ @array.send(@method, (...-5).step(-1)).should == [5, 4, 3, 2]
+ @array.send(@method, (...-5).step(-2)).should == [5, 3]
+ @array.send(@method, (...-5).step(-3)).should == [5, 2]
+ @array.send(@method, (...-5).step(-4)).should == [5]
+ @array.send(@method, (...-5).step(-5)).should == [5]
+
+ @array.send(@method, (4..1).step(-1)).should == [4, 3, 2, 1]
+ @array.send(@method, (4..1).step(-2)).should == [4, 2]
+ @array.send(@method, (4..1).step(-3)).should == [4, 1]
+ @array.send(@method, (4..1).step(-4)).should == [4]
+ @array.send(@method, (4..1).step(-5)).should == [4]
+
+ @array.send(@method, (4...1).step(-1)).should == [4, 3, 2]
+ @array.send(@method, (4...1).step(-2)).should == [4, 2]
+ @array.send(@method, (4...1).step(-3)).should == [4]
+ @array.send(@method, (4...1).step(-4)).should == [4]
+
+ @array.send(@method, (-2..1).step(-1)).should == [4, 3, 2, 1]
+ @array.send(@method, (-2..1).step(-2)).should == [4, 2]
+ @array.send(@method, (-2..1).step(-3)).should == [4, 1]
+ @array.send(@method, (-2..1).step(-4)).should == [4]
+ @array.send(@method, (-2..1).step(-5)).should == [4]
+
+ @array.send(@method, (-2...1).step(-1)).should == [4, 3, 2]
+ @array.send(@method, (-2...1).step(-2)).should == [4, 2]
+ @array.send(@method, (-2...1).step(-3)).should == [4]
+ @array.send(@method, (-2...1).step(-4)).should == [4]
+
+ @array.send(@method, (4..-5).step(-1)).should == [4, 3, 2, 1]
+ @array.send(@method, (4..-5).step(-2)).should == [4, 2]
+ @array.send(@method, (4..-5).step(-3)).should == [4, 1]
+ @array.send(@method, (4..-5).step(-4)).should == [4]
+ @array.send(@method, (4..-5).step(-5)).should == [4]
+
+ @array.send(@method, (4...-5).step(-1)).should == [4, 3, 2]
+ @array.send(@method, (4...-5).step(-2)).should == [4, 2]
+ @array.send(@method, (4...-5).step(-3)).should == [4]
+ @array.send(@method, (4...-5).step(-4)).should == [4]
+
+ @array.send(@method, (-2..-5).step(-1)).should == [4, 3, 2, 1]
+ @array.send(@method, (-2..-5).step(-2)).should == [4, 2]
+ @array.send(@method, (-2..-5).step(-3)).should == [4, 1]
+ @array.send(@method, (-2..-5).step(-4)).should == [4]
+ @array.send(@method, (-2..-5).step(-5)).should == [4]
+
+ @array.send(@method, (-2...-5).step(-1)).should == [4, 3, 2]
+ @array.send(@method, (-2...-5).step(-2)).should == [4, 2]
+ @array.send(@method, (-2...-5).step(-3)).should == [4]
+ @array.send(@method, (-2...-5).step(-4)).should == [4]
+ end
+ end
+
+ it "can accept nil...nil ranges" do
+ a = [0, 1, 2, 3, 4, 5]
+ a.send(@method, eval("(nil...nil)")).should == a
+ a.send(@method, (...nil)).should == a
+ a.send(@method, eval("(nil..)")).should == a
end
end
diff --git a/spec/ruby/core/array/shared/union.rb b/spec/ruby/core/array/shared/union.rb
new file mode 100644
index 0000000000..0b60df9ca4
--- /dev/null
+++ b/spec/ruby/core/array/shared/union.rb
@@ -0,0 +1,79 @@
+describe :array_binary_union, shared: true do
+ it "returns an array of elements that appear in either array (union)" do
+ [].send(@method, []).should == []
+ [1, 2].send(@method, []).should == [1, 2]
+ [].send(@method, [1, 2]).should == [1, 2]
+ [ 1, 2, 3, 4 ].send(@method, [ 3, 4, 5 ]).should == [1, 2, 3, 4, 5]
+ end
+
+ it "creates an array with no duplicates" do
+ [ 1, 2, 3, 1, 4, 5 ].send(@method, [ 1, 3, 4, 5, 3, 6 ]).should == [1, 2, 3, 4, 5, 6]
+ end
+
+ it "creates an array with elements in order they are first encountered" do
+ [ 1, 2, 3, 1 ].send(@method, [ 1, 3, 4, 5 ]).should == [1, 2, 3, 4, 5]
+ end
+
+ it "properly handles recursive arrays" do
+ empty = ArraySpecs.empty_recursive_array
+ empty.send(@method, empty).should == empty
+
+ array = ArraySpecs.recursive_array
+ array.send(@method, []).should == [1, 'two', 3.0, array]
+ [].send(@method, array).should == [1, 'two', 3.0, array]
+ array.send(@method, array).should == [1, 'two', 3.0, array]
+ array.send(@method, empty).should == [1, 'two', 3.0, array, empty]
+ 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])
+ [0].send(@method, obj).should == ([0] | [1, 2, 3])
+ end
+
+ # MRI follows hashing semantics here, so doesn't actually call eql?/hash for Integer/Symbol
+ it "acts as if using an intermediate hash to collect values" do
+ not_supported_on :opal do
+ [5.0, 4.0].send(@method, [5, 4]).should == [5.0, 4.0, 5, 4]
+ end
+
+ str = "x"
+ [str].send(@method, [str.dup]).should == [str]
+
+ obj1 = mock('1')
+ obj2 = mock('2')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj2.should_receive(:eql?).at_least(1).and_return(true)
+
+ [obj1].send(@method, [obj2]).should == [obj1]
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == [obj1]
+
+ obj1 = mock('3')
+ obj2 = mock('4')
+ obj1.stub!(:hash).and_return(0)
+ obj2.stub!(:hash).and_return(0)
+ obj2.should_receive(:eql?).at_least(1).and_return(false)
+
+ [obj1].send(@method, [obj2]).should == [obj1, obj2]
+ [obj1, obj1, obj2, obj2].send(@method, [obj2]).should == [obj1, obj2]
+ end
+
+ it "does not return subclass instances for Array subclasses" do
+ ArraySpecs::MyArray[1, 2, 3].send(@method, []).should be_an_instance_of(Array)
+ ArraySpecs::MyArray[1, 2, 3].send(@method, ArraySpecs::MyArray[1, 2, 3]).should be_an_instance_of(Array)
+ [].send(@method, ArraySpecs::MyArray[1, 2, 3]).should be_an_instance_of(Array)
+ end
+
+ it "does not call to_ary on array subclasses" do
+ [1, 2].send(@method, ArraySpecs::ToAryArray[5, 6]).should == [1, 2, 5, 6]
+ 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].send(@method, [x]).should == [x]
+ end
+end
diff --git a/spec/ruby/core/array/shared/unshift.rb b/spec/ruby/core/array/shared/unshift.rb
index 367bab4166..9e0fe7556a 100644
--- a/spec/ruby/core/array/shared/unshift.rb
+++ b/spec/ruby/core/array/shared/unshift.rb
@@ -22,6 +22,11 @@ describe :array_unshift, shared: true do
a.should == [3, 4]
end
+ it "returns self" do
+ a = [1, 2, 3]
+ a.send(@method, "a").should.equal?(a)
+ end
+
it "quietly ignores unshifting nothing" do
[].send(@method).should == []
end
@@ -35,12 +40,25 @@ describe :array_unshift, shared: true do
array[0..5].should == [:new, 1, 'two', 3.0, array, array]
end
- it "raises a RuntimeError on a frozen array when the array is modified" do
- lambda { ArraySpecs.frozen_array.send(@method, 1) }.should raise_error(RuntimeError)
+ it "raises a FrozenError on a frozen array when the array is modified" do
+ -> { ArraySpecs.frozen_array.send(@method, 1) }.should raise_error(FrozenError)
end
# see [ruby-core:23666]
- it "raises a RuntimeError on a frozen array when the array would not be modified" do
- lambda { ArraySpecs.frozen_array.send(@method) }.should raise_error(RuntimeError)
+ it "raises a FrozenError on a frozen array when the array would not be modified" do
+ -> { ArraySpecs.frozen_array.send(@method) }.should raise_error(FrozenError)
+ end
+
+ # https://github.com/truffleruby/truffleruby/issues/2772
+ it "doesn't rely on Array#[]= so it can be overridden" do
+ subclass = Class.new(Array) do
+ def []=(*)
+ raise "[]= is called"
+ end
+ end
+
+ array = subclass.new
+ array.send(@method, 1)
+ array.should == [1]
end
end