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author | Benoit Daloze <eregontp@gmail.com> | 2021-11-29 15:50:28 +0100 |
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committer | Benoit Daloze <eregontp@gmail.com> | 2021-11-29 15:50:28 +0100 |
commit | 67a1e2258974df4b597d019739595c18fbb9a7c1 (patch) | |
tree | 992ad4fc0fc08a6af8f04373703a339f957eb143 /spec/ruby/core/integer/plus_spec.rb | |
parent | e6d93a27afa058319e6dad093bbef637e49fce47 (diff) |
Update to ruby/spec@7f22a0b
Diffstat (limited to 'spec/ruby/core/integer/plus_spec.rb')
-rw-r--r-- | spec/ruby/core/integer/plus_spec.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/plus_spec.rb b/spec/ruby/core/integer/plus_spec.rb index be626c3305..511a436872 100644 --- a/spec/ruby/core/integer/plus_spec.rb +++ b/spec/ruby/core/integer/plus_spec.rb @@ -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 |