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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
34 lines
1.2 KiB
Ruby
34 lines
1.2 KiB
Ruby
require_relative '../fixtures/classes'
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describe :complex_math_sqrt, shared: true do
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it "returns the square root for positive numbers" do
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@object.send(:sqrt, 4).should == 2
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@object.send(:sqrt, 19.36).should == 4.4
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end
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it "returns the square root for negative numbers" do
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@object.send(:sqrt, -4).should == Complex(0, 2.0)
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@object.send(:sqrt, -19.36).should == Complex(0, 4.4)
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end
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it "returns the square root for Complex numbers" do
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@object.send(:sqrt, Complex(4, 5)).should be_close(Complex(2.2806933416653, 1.09615788950152), TOLERANCE)
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@object.send(:sqrt, Complex(4, -5)).should be_close(Complex(2.2806933416653, -1.09615788950152), TOLERANCE)
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end
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end
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describe :complex_math_sqrt_bang, shared: true do
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it "returns the square root for positive numbers" do
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@object.send(:sqrt!, 4).should == 2
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@object.send(:sqrt!, 19.36).should == 4.4
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end
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it "raises Errno::EDOM when the passed argument is negative" do
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lambda { @object.send(:sqrt!, -4) }.should raise_error(Errno::EDOM)
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lambda { @object.send(:sqrt!, -19.36) }.should raise_error(Errno::EDOM)
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end
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it "raises a TypeError when passed a Complex number" do
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lambda { @object.send(:sqrt!, Complex(4, 5)) }.should raise_error(TypeError)
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end
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end
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