Improved the test for Thread#inspect [Feature #16412]

1 files changed, 5 insertions, 1 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 9d6205979b..bf61a28f4d 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -29,8 +29,12 @@ class TestThread < Test::Unit::TestCase
   end
 
   def test_inspect
+    line = __LINE__+1
     th = Module.new {break module_eval("class C\u{30b9 30ec 30c3 30c9} < Thread; self; end")}.start{}
-    assert_match(/::C\u{30b9 30ec 30c3 30c9}:/, th.inspect)
+    s = th.inspect
+    assert_include(s, "::C\u{30b9 30ec 30c3 30c9}:")
+    assert_include(s, " #{__FILE__}:#{line} ")
+    assert_equal(s, th.to_s)
   ensure
     th.join
   end