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-rw-r--r--spec/ruby/language/defined_spec.rb4
-rw-r--r--test/ruby/test_defined.rb4
-rw-r--r--variable.c5
3 files changed, 11 insertions, 2 deletions
diff --git a/spec/ruby/language/defined_spec.rb b/spec/ruby/language/defined_spec.rb
index 05f3075459..08fa2d8fe3 100644
--- a/spec/ruby/language/defined_spec.rb
+++ b/spec/ruby/language/defined_spec.rb
@@ -752,8 +752,8 @@ describe "The defined? keyword for a scoped constant" do
defined?(DefinedSpecs::String).should be_nil
end
- it "returns 'constant' when a constant is defined on top-level but not on the class" do
- defined?(DefinedSpecs::Basic::String).should == "constant"
+ it "returns nil when a constant is defined on top-level but not on the class" do
+ defined?(DefinedSpecs::Basic::String).should be_nil
end
it "returns 'constant' if the scoped-scoped constant is defined" do
diff --git a/test/ruby/test_defined.rb b/test/ruby/test_defined.rb
index 54f461ff03..9976db3b6f 100644
--- a/test/ruby/test_defined.rb
+++ b/test/ruby/test_defined.rb
@@ -253,4 +253,8 @@ class TestDefined < Test::Unit::TestCase
assert_equal(nil, obj.func_defined_non_existing_func, bug_11212)
assert_equal(true, obj.called, bug_11212)
end
+
+ def test_top_level_constant_not_defined
+ assert_nil(defined?(TestDefined::Object))
+ end
end
diff --git a/variable.c b/variable.c
index 3f9725a065..c8fd1553f5 100644
--- a/variable.c
+++ b/variable.c
@@ -2513,6 +2513,11 @@ rb_const_defined_0(VALUE klass, ID id, int exclude, int recurse, int visibility)
if (ce->value == Qundef && !check_autoload_required(tmp, id, 0) &&
!rb_autoloading_value(tmp, id, 0))
return (int)Qfalse;
+
+ if (exclude && tmp == rb_cObject && klass != rb_cObject) {
+ return (int)Qfalse;
+ }
+
return (int)Qtrue;
}
if (!recurse) break;