diff --git a/ChangeLog b/ChangeLog
index adf34f1370..017faccb00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar 16 23:39:13 2005  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* test/ruby/test_settracefunc.rb: added test for c-return.
+
 Wed Mar 16 22:57:43 2005  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* eval.c (rb_call0): call_cfunc() should be protected.
diff --git a/test/ruby/test_settracefunc.rb b/test/ruby/test_settracefunc.rb
index 515453245f..e8ac6e2abb 100644
--- a/test/ruby/test_settracefunc.rb
+++ b/test/ruby/test_settracefunc.rb
@@ -11,16 +11,18 @@ class TestSetTraceFunc < Test::Unit::TestCase
     a = 1
     foo
     a
+    b = 1 + 2
     set_trace_func nil
 
-    assert_equal(["line", 11], events.shift)    # line "a = 1"
-    assert_equal(["line", 12], events.shift)    # line "foo"
-    assert_equal(["call", 4], events.shift)     # call foo
-    event, lineno = events.shift                # return
-      assert_equal("return", event)
-      assert_equal(4, lineno) # [history] it could not be expected in 1.8
-    assert_equal(["line", 13], events.shift)    # line "a"
-    assert_equal(["line", 14], events.shift)    # line "set_trace_func nil"
-    assert_equal(["c-call", 14], events.shift)  # c-call set_trace_func
+    assert_equal(["line", 11], events.shift)     # line "a = 1"
+    assert_equal(["line", 12], events.shift)     # line "foo"
+    assert_equal(["call", 4], events.shift)      # call foo
+    assert_equal(["return", 4], events.shift)    # return foo
+    assert_equal(["line", 13], events.shift)     # line "a"
+    assert_equal(["line", 14], events.shift)     # line "b = 1 + 2"
+    assert_equal(["c-call", 14], events.shift)   # c-call Fixnum#+
+    assert_equal(["c-return", 14], events.shift) # c-return Fixnum#+
+    assert_equal(["line", 15], events.shift)     # line "set_trace_func nil"
+    assert_equal(["c-call", 15], events.shift)   # c-call set_trace_func
   end
 end