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test_enum.rb: test_inject_array_op_redefined

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* test/ruby/test_enum.rb (test_inject_array_op_redefined): test
  other operators too.  [Bug#12178]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58870 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-05-24 07:57:19 +00:00
parent 73d797ad48
commit da9d5db8bd
1 changed files with 16 additions and 7 deletions
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23
test/ruby/test_enum.rb
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@ -213,15 +213,24 @@ class TestEnumerable < Test::Unit::TestCase
assert_equal(2.0+3.0i, [2.0, 3.0i].inject(:+))
end
def test_inject_array_plus_redefined
assert_separately([], <<-"end;")
class Integer
undef :+
def +(x)
0
def test_inject_array_op_redefined
assert_separately([], "#{<<~"end;"}\n""end")
all_assertions_foreach("", *%i[+ * / - %]) do |op|
bug = '[ruby-dev:49510] [Bug#12178] should respect redefinition'
begin
Integer.class_eval do
alias_method :orig, op
define_method(op) do |x|
0
end
end
assert_equal(0, [1,2,3].inject(op), bug)
ensure
Integer.class_eval do
undef_method op
alias_method op, :orig
end
end
assert_equal(0, [1,2,3].inject(:+), "[ruby-dev:49510] [Bug#12178]")
end;
end