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Update to ruby/spec@cdd6ff7
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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102 changed files with 771 additions and 426 deletions
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@ -43,6 +43,17 @@ describe "Integer#gcd" do
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bignum.gcd(99).should == 99
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end
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it "doesn't cause an integer overflow" do
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[2 ** (1.size * 8 - 2), 0x8000000000000000].each do |max|
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[max - 1, max, max + 1].each do |num|
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num.gcd(num).should == num
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(-num).gcd(num).should == num
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(-num).gcd(-num).should == num
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num.gcd(-num).should == num
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end
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end
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end
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it "raises an ArgumentError if not given an argument" do
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lambda { 12.gcd }.should raise_error(ArgumentError)
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end
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