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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-22 01:53:51 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-22 01:53:51 +0000
commit1e760c0be3ed35874204114e7454509f740c0fe2 (patch)
treea75eb2b1eea073830902d1fa49c568c4525c8b57 /ruby_1_8_6/test/ruby/test_defined.rb
parenta2055d63b41a6678dc7aeb17d0bece314e700c5a (diff)
add tag v1_8_6_71v1_8_5_71
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_71@13189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/test/ruby/test_defined.rb')
-rw-r--r--ruby_1_8_6/test/ruby/test_defined.rb43
1 files changed, 43 insertions, 0 deletions
diff --git a/ruby_1_8_6/test/ruby/test_defined.rb b/ruby_1_8_6/test/ruby/test_defined.rb
new file mode 100644
index 0000000000..8a7fcf45a9
--- /dev/null
+++ b/ruby_1_8_6/test/ruby/test_defined.rb
@@ -0,0 +1,43 @@
+require 'test/unit'
+
+class TestDefined < Test::Unit::TestCase
+ class Foo
+ def foo
+ p :foo
+ end
+ protected :foo
+ def bar(f)
+ yield(defined?(self.foo))
+ yield(defined?(f.foo))
+ end
+ end
+
+ def defined_test
+ return !defined?(yield)
+ end
+
+ def test_defined
+ $x = nil
+
+ assert(defined?($x)) # global variable
+ assert_equal('global-variable', defined?($x))# returns description
+
+ assert_nil(defined?(foo)) # undefined
+ foo=5
+ assert(defined?(foo)) # local variable
+
+ assert(defined?(Array)) # constant
+ assert(defined?(::Array)) # toplevel constant
+ assert(defined?(File::Constants)) # nested constant
+ assert(defined?(Object.new)) # method
+ assert(!defined?(Object.print)) # private method
+ assert(defined?(1 == 2)) # operator expression
+
+ f = Foo.new
+ assert_nil(defined?(f.foo))
+ f.bar(f) { |v| assert(v) }
+
+ assert(defined_test) # not iterator
+ assert(!defined_test{}) # called as iterator
+ end
+end