test_backtrace.rb: r18554 tests

* test/ruby/test_backtrace.rb (test_core_backtrace_{alias,undef}):
  add tests for r18554.  [ruby-dev:35820] [Bug #416]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 20 insertions, 0 deletions

diff --git a/test/ruby/test_backtrace.rb b/test/ruby/test_backtrace.rb
index 15d6db8f7e..a78a2c6170 100644
--- a/test/ruby/test_backtrace.rb
+++ b/test/ruby/test_backtrace.rb
@@ -214,4 +214,24 @@ class TestBacktrace < Test::Unit::TestCase
       q << true
     end
   end
+
+  def test_core_backtrace_alias
+    obj = BasicObject.new
+    e = assert_raise(NameError) do
+      class << obj
+        alias foo bar
+      end
+    end
+    assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
+  end
+
+  def test_core_backtrace_undef
+    obj = BasicObject.new
+    e = assert_raise(NameError) do
+      class << obj
+        undef foo
+      end
+    end
+    assert_not_match(/\Acore#/, e.backtrace_locations[0].base_label)
+  end
 end