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-rw-r--r--test/ruby/test_module.rb58
1 files changed, 58 insertions, 0 deletions
diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index e2649a908f..e6c107961d 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -866,6 +866,64 @@ class TestModule < Test::Unit::TestCase
assert_equal mod.instance_method(:a=), memo.shift
end
+ def test_method_undefined
+ added = []
+ undefed = []
+ removed = []
+ mod = Module.new do
+ mod = self
+ def f
+ end
+ (class << self ; self ; end).class_eval do
+ define_method :method_added do |sym|
+ added << sym
+ end
+ define_method :method_undefined do |sym|
+ undefed << sym
+ end
+ define_method :method_removed do |sym|
+ removed << sym
+ end
+ end
+ end
+ assert_method_defined?(mod, :f)
+ mod.module_eval do
+ undef :f
+ end
+ assert_equal [], added
+ assert_equal [:f], undefed
+ assert_equal [], removed
+ end
+
+ def test_method_removed
+ added = []
+ undefed = []
+ removed = []
+ mod = Module.new do
+ mod = self
+ def f
+ end
+ (class << self ; self ; end).class_eval do
+ define_method :method_added do |sym|
+ added << sym
+ end
+ define_method :method_undefined do |sym|
+ undefed << sym
+ end
+ define_method :method_removed do |sym|
+ removed << sym
+ end
+ end
+ end
+ assert_method_defined?(mod, :f)
+ mod.module_eval do
+ remove_method :f
+ end
+ assert_equal [], added
+ assert_equal [], undefed
+ assert_equal [:f], removed
+ end
+
def test_method_redefinition
feature2155 = '[ruby-dev:39400]'