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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
50 lines
1.8 KiB
Ruby
50 lines
1.8 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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ruby_version_is '2.4' do
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describe 'Comparable#clamp' do
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it 'raises an Argument error unless given 2 parameters' do
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c = ComparableSpecs::Weird.new(0)
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lambda { c.clamp(c) }.should raise_error(ArgumentError)
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lambda { c.clamp(c, c, c) }.should raise_error(ArgumentError)
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end
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it 'raises an Argument error unless the 2 parameters are correctly ordered' do
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one = ComparableSpecs::WithOnlyCompareDefined.new(1)
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two = ComparableSpecs::WithOnlyCompareDefined.new(2)
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c = ComparableSpecs::Weird.new(3)
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lambda { c.clamp(two, one) }.should raise_error(ArgumentError)
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one.should_receive(:<=>).any_number_of_times.and_return(nil)
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lambda { c.clamp(one, two) }.should raise_error(ArgumentError)
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end
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it 'returns self if within the given parameters' do
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one = ComparableSpecs::WithOnlyCompareDefined.new(1)
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two = ComparableSpecs::WithOnlyCompareDefined.new(2)
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three = ComparableSpecs::WithOnlyCompareDefined.new(3)
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c = ComparableSpecs::Weird.new(2)
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c.clamp(one, two).should equal(c)
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c.clamp(two, two).should equal(c)
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c.clamp(one, three).should equal(c)
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c.clamp(two, three).should equal(c)
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end
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it 'returns the min parameter if smaller than it' do
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one = ComparableSpecs::WithOnlyCompareDefined.new(1)
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two = ComparableSpecs::WithOnlyCompareDefined.new(2)
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c = ComparableSpecs::Weird.new(0)
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c.clamp(one, two).should equal(one)
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end
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it 'returns the max parameter if greater than it' do
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one = ComparableSpecs::WithOnlyCompareDefined.new(1)
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two = ComparableSpecs::WithOnlyCompareDefined.new(2)
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c = ComparableSpecs::Weird.new(3)
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c.clamp(one, two).should equal(two)
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end
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end
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end
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