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ruby--ruby/spec/ruby/core/comparable/lt_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

43 lines
1.4 KiB
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Comparable#<" do
it "calls #<=> on self with other and returns true if #<=> returns any Integer less than 0" do
a = ComparableSpecs::Weird.new(0)
b = ComparableSpecs::Weird.new(20)
a.should_receive(:<=>).any_number_of_times.and_return(-1)
(a < b).should == true
a.should_receive(:<=>).any_number_of_times.and_return(-0.1)
(a < b).should == true
a.should_receive(:<=>).any_number_of_times.and_return(-10000000)
(a < b).should == true
end
it "returns false if calling #<=> on self returns 0 or any Integer greater than 0" do
a = ComparableSpecs::Weird.new(0)
b = ComparableSpecs::Weird.new(10)
a.should_receive(:<=>).any_number_of_times.and_return(0)
(a < b).should == false
a.should_receive(:<=>).any_number_of_times.and_return(0.0)
(a < b).should == false
a.should_receive(:<=>).any_number_of_times.and_return(1.0)
(a < b).should == false
a.should_receive(:<=>).any_number_of_times.and_return(10000000)
(a < b).should == false
end
it "raises an ArgumentError if calling #<=> on self returns nil" do
a = ComparableSpecs::Weird.new(0)
b = ComparableSpecs::Weird.new(20)
a.should_receive(:<=>).any_number_of_times.and_return(nil)
lambda { (a < b) }.should raise_error(ArgumentError)
end
end