object.c: avoid inadvertent symbol creation

* object.c (rb_mod_cvar_set): fix typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index e698398b55..b1df99d76e 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -174,6 +174,8 @@ class TestObject < Test::Unit::TestCase
     assert_equal(:foo, o.instance_variable_get(:@foo))
     assert_equal(nil, o.instance_variable_get(:@bar))
     assert_raise(NameError) { o.instance_variable_get(:foo) }
+    assert_raise(NameError) { o.instance_variable_get("bar") }
+    assert_raise(TypeError) { o.instance_variable_get(1) }
   end
 
   def test_instance_variable_set
@@ -181,6 +183,8 @@ class TestObject < Test::Unit::TestCase
     o.instance_variable_set(:@foo, :foo)
     assert_equal(:foo, o.instance_eval { @foo })
     assert_raise(NameError) { o.instance_variable_set(:foo, 1) }
+    assert_raise(NameError) { o.instance_variable_set("bar", 1) }
+    assert_raise(TypeError) { o.instance_variable_set(1, 1) }
   end
 
   def test_instance_variable_defined
@@ -189,6 +193,8 @@ class TestObject < Test::Unit::TestCase
     assert_equal(true, o.instance_variable_defined?(:@foo))
     assert_equal(false, o.instance_variable_defined?(:@bar))
     assert_raise(NameError) { o.instance_variable_defined?(:foo) }
+    assert_raise(NameError) { o.instance_variable_defined?("bar") }
+    assert_raise(TypeError) { o.instance_variable_defined?(1) }
   end
 
   def test_remove_instance_variable