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65264eadbd
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4512 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
42 lines
672 B
Ruby
42 lines
672 B
Ruby
require 'test/unit'
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$KCODE = 'none'
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class TestAlias < Test::Unit::TestCase
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class Alias0
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def foo; "foo" end
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end
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class Alias1<Alias0
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alias bar foo
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def foo; "foo+" + super end
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end
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class Alias2<Alias1
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alias baz foo
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undef foo
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end
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class Alias3<Alias2
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def foo
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defined? super
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end
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def bar
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defined? super
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end
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def quux
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defined? super
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end
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end
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def test_alias
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x = Alias2.new
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assert_equal(x.bar, "foo")
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assert_equal(x.baz, "foo+foo")
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# test_check for cache
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assert_equal(x.baz, "foo+foo")
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x = Alias3.new
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assert(!x.foo)
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assert(x.bar)
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assert(!x.quux)
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end
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end
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