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ruby--ruby/test/ruby/test_alias.rb
nahi aaf5d9c03c * test/ruby: tests for ruby itself.
* test/ruby/test_*.rb: split sample/test.rb into 28 test/unit testcases.  some
  tests could not be translates...  search '!!' mark to see it.

* test/csv/test_csv.rb: should require 'csv', not '../lib/csv'.  test runner
  should set load path correctly.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-09-04 16:18:59 +00:00

42 lines
660 B
Ruby

require 'test/unit'
$KCODE = 'none'
class TestAlias < Test::Unit::TestCase
class Alias0
def foo; "foo" end
end
class Alias1<Alias0
alias bar foo
def foo; "foo+" + super end
end
class Alias2<Alias1
alias baz foo
undef foo
end
class Alias3<Alias2
def foo
defined? super
end
def bar
defined? super
end
def quux
defined? super
end
end
def test_alias
x = Alias2.new
assert(x.bar == "foo")
assert(x.baz == "foo+foo")
# test_check for cache
assert(x.baz == "foo+foo")
x = Alias3.new
assert(!x.foo)
assert(x.bar)
assert(!x.quux)
end
end