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* 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
48 lines
1.5 KiB
Ruby
48 lines
1.5 KiB
Ruby
describe :float_modulo, shared: true do
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it "returns self modulo other" do
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6543.21.send(@method, 137).should be_close(104.21, TOLERANCE)
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5667.19.send(@method, bignum_value).should be_close(5667.19, TOLERANCE)
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6543.21.send(@method, 137.24).should be_close(92.9299999999996, TOLERANCE)
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-1.0.send(@method, 1).should == 0
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end
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it "returns self when modulus is +Infinity" do
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4.2.send(@method, Float::INFINITY).should == 4.2
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end
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it "returns -Infinity when modulus is -Infinity" do
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4.2.send(@method, -Float::INFINITY).should == -Float::INFINITY
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end
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it "returns NaN when called on NaN or Infinities" do
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Float::NAN.send(@method, 42).should be_nan
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Float::INFINITY.send(@method, 42).should be_nan
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(-Float::INFINITY).send(@method, 42).should be_nan
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end
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it "returns NaN when modulus is NaN" do
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4.2.send(@method, Float::NAN).should be_nan
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end
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it "returns -0.0 when called on -0.0 with a non zero modulus" do
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r = (-0.0).send(@method, 42)
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r.should == 0
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(1/r).should < 0
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r = (-0.0).send(@method, Float::INFINITY)
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r.should == 0
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(1/r).should < 0
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end
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it "tries to coerce the modulus" do
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obj = mock("modulus")
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obj.should_receive(:coerce).with(1.25).and_return([1.25, 0.5])
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(1.25 % obj).should == 0.25
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end
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it "raises a ZeroDivisionError if other is zero" do
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lambda { 1.0.send(@method, 0) }.should raise_error(ZeroDivisionError)
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lambda { 1.0.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
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end
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end
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