From 63bd8a74e81537ecf2aba0be0f8ef6eec9df2758 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 14 Jun 2009 05:59:23 +0000
Subject: * thread.c, vm_eval.c: add Thread.backtrace. *
 test/ruby/test_thread.rb: add a test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_thread.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'test/ruby/test_thread.rb')

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index b460cadea9..d0c35d8273 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -516,4 +516,14 @@ class TestThreadGroup < Test::Unit::TestCase
     c.class_eval { def initialize; end }
     assert_raise(ThreadError) { c.new.start }
   end
+
+  def test_backtrace
+    Thread.new{
+      assert_equal(Array, Thread.main.backtrace.class)
+    }.join
+
+    t = Thread.new{}
+    t.join
+    assert_equal(nil, t.backtrace)
+  end
 end
-- 
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