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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Numeric#<=>" do
before :each do
@obj = NumericSpecs::Subclass.new
end
it "returns 0 if self equals other" do
(@obj <=> @obj).should == 0
end
it "returns nil if self does not equal other" do
(@obj <=> NumericSpecs::Subclass.new).should == nil
(@obj <=> 10).should == nil
(@obj <=> -3.5).should == nil
(@obj <=> bignum_value).should == nil
end
describe "with subclasses of Numeric" do
before :each do
@a = NumericSpecs::Comparison.new
@b = NumericSpecs::Comparison.new
ScratchPad.clear
end
it "is called when instances are compared with #<" do
(@a < @b).should be_false
ScratchPad.recorded.should == :numeric_comparison
end
it "is called when instances are compared with #<=" do
(@a <= @b).should be_false
ScratchPad.recorded.should == :numeric_comparison
end
it "is called when instances are compared with #>" do
(@a > @b).should be_true
ScratchPad.recorded.should == :numeric_comparison
end
it "is called when instances are compared with #>=" do
(@a >= @b).should be_true
ScratchPad.recorded.should == :numeric_comparison
end
end
end
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