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Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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spec/ruby/shared/enumerator/each.rb
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89
spec/ruby/shared/enumerator/each.rb
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# -*- encoding: us-ascii -*-
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describe :enum_each, shared: true do
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before :each do
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object_each_with_arguments = Object.new
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def object_each_with_arguments.each_with_arguments(arg, *args)
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yield arg, *args
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:method_returned
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end
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@enum_with_arguments = object_each_with_arguments.to_enum(:each_with_arguments, :arg0, :arg1, :arg2)
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@enum_with_yielder = Enumerator.new {|y| y.yield :ok}
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end
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it "yields each element of self to the given block" do
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acc = []
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[1,2,3].to_enum.each {|e| acc << e }
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acc.should == [1,2,3]
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end
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it "calls #each on the object given in the constructor by default" do
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each = mock('each')
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each.should_receive(:each)
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each.to_enum.each {|e| e }
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end
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it "calls #each on the underlying object until it's exhausted" do
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each = mock('each')
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each.should_receive(:each).and_yield(1).and_yield(2).and_yield(3)
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acc = []
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each.to_enum.each {|e| acc << e }
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acc.should == [1,2,3]
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end
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it "calls the method given in the constructor instead of #each" do
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each = mock('peach')
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each.should_receive(:peach)
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each.to_enum(:peach).each {|e| e }
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end
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it "calls the method given in the constructor until it's exhausted" do
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each = mock('each')
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each.should_receive(:each).and_yield(1).and_yield(2).and_yield(3)
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acc = []
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each.to_enum.each {|e| acc << e }
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acc.should == [1,2,3]
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end
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it "raises a NoMethodError if the object doesn't respond to #each" do
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enum = Object.new.to_enum
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lambda do
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enum.each { |e| e }
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end.should raise_error(NoMethodError)
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end
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it "returns self if not given arguments and not given a block" do
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@enum_with_arguments.each.should equal(@enum_with_arguments)
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@enum_with_yielder.each.should equal(@enum_with_yielder)
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end
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it "returns the same value from receiver.each if block is given" do
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@enum_with_arguments.each {}.should equal(:method_returned)
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end
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it "passes given arguments at initialized to receiver.each" do
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@enum_with_arguments.each.to_a.should == [[:arg0, :arg1, :arg2]]
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end
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it "requires multiple arguments" do
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Enumerator.instance_method(:each).arity.should < 0
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end
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it "appends given arguments to receiver.each" do
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@enum_with_arguments.each(:each0, :each1).to_a.should == [[:arg0, :arg1, :arg2, :each0, :each1]]
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@enum_with_arguments.each(:each2, :each3).to_a.should == [[:arg0, :arg1, :arg2, :each2, :each3]]
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end
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it "returns the same value from receiver.each if block and arguments are given" do
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@enum_with_arguments.each(:each1, :each2) {}.should equal(:method_returned)
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end
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it "returns new Enumerator if given arguments but not given a block" do
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ret = @enum_with_arguments.each 1
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ret.should be_an_instance_of(Enumerator)
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ret.should_not equal(@enum_with_arguments)
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end
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end
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