From aa82bdf92953824fd35db4a734bf6effa8de3329 Mon Sep 17 00:00:00 2001 From: Xavier Noria Date: Thu, 11 Feb 2010 23:41:16 +0100 Subject: moves Class#reachable? to Module#reachable?, bases implementation on anonymous? and constantize, and adds test coverage --- .../test/core_ext/module/reachable_test.rb | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 activesupport/test/core_ext/module/reachable_test.rb (limited to 'activesupport/test/core_ext/module') diff --git a/activesupport/test/core_ext/module/reachable_test.rb b/activesupport/test/core_ext/module/reachable_test.rb new file mode 100644 index 0000000000..72892b77d5 --- /dev/null +++ b/activesupport/test/core_ext/module/reachable_test.rb @@ -0,0 +1,41 @@ +require 'abstract_unit' +require 'active_support/core_ext/module/reachable' + +class AnonymousTest < ActiveSupport::TestCase + test "an anonymous class or module is not reachable" do + assert !Module.new.reachable? + assert !Class.new.reachable? + end + + test "ordinary named classes or modules are reachable" do + assert Kernel.reachable? + assert Object.reachable? + end + + test "a named class or module whose constant has gone is not reachable" do + c = eval "class C; end; C" + m = eval "module M; end; M" + + self.class.send(:remove_const, :C) + self.class.send(:remove_const, :M) + + assert !c.reachable? + assert !m.reachable? + end + + test "a named class or module whose constants store different objects are not reachable" do + c = eval "class C; end; C" + m = eval "module M; end; M" + + self.class.send(:remove_const, :C) + self.class.send(:remove_const, :M) + + eval "class C; end" + eval "module M; end" + + assert C.reachable? + assert M.reachable? + assert !c.reachable? + assert !m.reachable? + end +end \ No newline at end of file -- cgit v1.2.3