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ruby--ruby/spec/ruby/core/comparable/clamp_spec.rb
eregon 1d15d5f080 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
2017-09-20 20:18:52 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
ruby_version_is '2.4' do
describe 'Comparable#clamp' do
it 'raises an Argument error unless given 2 parameters' do
c = ComparableSpecs::Weird.new(0)
lambda { c.clamp(c) }.should raise_error(ArgumentError)
lambda { c.clamp(c, c, c) }.should raise_error(ArgumentError)
end
it 'raises an Argument error unless the 2 parameters are correctly ordered' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
c = ComparableSpecs::Weird.new(3)
lambda { c.clamp(two, one) }.should raise_error(ArgumentError)
one.should_receive(:<=>).any_number_of_times.and_return(nil)
lambda { c.clamp(one, two) }.should raise_error(ArgumentError)
end
it 'returns self if within the given parameters' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
three = ComparableSpecs::WithOnlyCompareDefined.new(3)
c = ComparableSpecs::Weird.new(2)
c.clamp(one, two).should equal(c)
c.clamp(two, two).should equal(c)
c.clamp(one, three).should equal(c)
c.clamp(two, three).should equal(c)
end
it 'returns the min parameter if smaller than it' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
c = ComparableSpecs::Weird.new(0)
c.clamp(one, two).should equal(one)
end
it 'returns the max parameter if greater than it' do
one = ComparableSpecs::WithOnlyCompareDefined.new(1)
two = ComparableSpecs::WithOnlyCompareDefined.new(2)
c = ComparableSpecs::Weird.new(3)
c.clamp(one, two).should equal(two)
end
end
end