From 3b21818db1fac0c22f16364eab2d8cc0067abd63 Mon Sep 17 00:00:00 2001 From: Benoit Daloze Date: Thu, 3 Mar 2022 14:43:14 +0100 Subject: Update to ruby/spec@82cd3a3 --- spec/ruby/core/rational/minus_spec.rb | 48 +++++++++++++++++++++++++++++++++-- 1 file changed, 46 insertions(+), 2 deletions(-) (limited to 'spec/ruby/core/rational/minus_spec.rb') diff --git a/spec/ruby/core/rational/minus_spec.rb b/spec/ruby/core/rational/minus_spec.rb index 9e0f81556b..a61b62ebe6 100644 --- a/spec/ruby/core/rational/minus_spec.rb +++ b/spec/ruby/core/rational/minus_spec.rb @@ -1,7 +1,51 @@ -require_relative '../../shared/rational/minus' +require_relative '../../spec_helper' require_relative '../../shared/rational/arithmetic_exception_in_coerce' describe "Rational#-" do - it_behaves_like :rational_minus, :- it_behaves_like :rational_arithmetic_exception_in_coerce, :- + + it "calls #coerce on the passed argument with self" do + rational = Rational(3, 4) + obj = mock("Object") + obj.should_receive(:coerce).with(rational).and_return([1, 2]) + + rational - obj + end + + it "calls #- on the coerced Rational with the coerced Object" do + rational = Rational(3, 4) + + coerced_rational = mock("Coerced Rational") + coerced_rational.should_receive(:-).and_return(:result) + + coerced_obj = mock("Coerced Object") + + obj = mock("Object") + obj.should_receive(:coerce).and_return([coerced_rational, coerced_obj]) + + (rational - obj).should == :result + end +end + +describe "Rational#- passed a Rational" do + it "returns the result of subtracting other from self as a Rational" do + (Rational(3, 4) - Rational(0, 1)).should eql(Rational(3, 4)) + (Rational(3, 4) - Rational(1, 4)).should eql(Rational(1, 2)) + + (Rational(3, 4) - Rational(2, 1)).should eql(Rational(-5, 4)) + end +end + +describe "Rational#- passed a Float" do + it "returns the result of subtracting other from self as a Float" do + (Rational(3, 4) - 0.2).should eql(0.55) + (Rational(3, 4) - 2.5).should eql(-1.75) + end +end + +describe "Rational#- passed an Integer" do + it "returns the result of subtracting other from self as a Rational" do + (Rational(3, 4) - 1).should eql(Rational(-1, 4)) + (Rational(3, 4) - 2).should eql(Rational(-5, 4)) + end end -- cgit v1.2.3