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This commit is contained in:
Benoit Daloze 2021-11-29 15:50:28 +01:00
parent e6d93a27af
commit 67a1e22589
62 changed files with 656 additions and 59 deletions

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@ -40,4 +40,19 @@ describe "Integer#+" do
-> { @bignum + :symbol}.should raise_error(TypeError)
end
end
it "can be redefined" do
code = <<~RUBY
class Integer
alias_method :old_plus, :+
def +(other)
self - other
end
end
result = 1 + 2
Integer.alias_method :+, :old_plus
print result
RUBY
ruby_exe(code).should == "-1"
end
end