From 485e6ebed846fd77e273177e07348a72786c1d97 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 25 Dec 2013 09:35:03 +0000
Subject: * vm_insnhelper.c (argument_error): insert dummy frame to make   a
 backtrace object intead of modify backtrace string array.   [Bug #9295] *
 test/ruby/test_backtrace.rb: add a test for this patch.   fix test to compare
 a result of Exception#backtrace with   a result of
 Exception#backtrace_locations.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_backtrace.rb | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

(limited to 'test')

diff --git a/test/ruby/test_backtrace.rb b/test/ruby/test_backtrace.rb
index aded544dcf..6ec13e4cc5 100644
--- a/test/ruby/test_backtrace.rb
+++ b/test/ruby/test_backtrace.rb
@@ -19,17 +19,16 @@ class TestBacktrace < Test::Unit::TestCase
   end
 
   def test_exception_backtrace_locations
-    bt = Fiber.new{
+    backtrace, backtrace_locations = Fiber.new{
       begin
         raise
       rescue => e
-        e.backtrace_locations
+        [e.backtrace, e.backtrace_locations]
       end
     }.resume
-    assert_equal(1, bt.size)
-    assert_match(/.+:\d+:.+/, bt[0].to_s)
+    assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
 
-    bt = Fiber.new{
+    backtrace, backtrace_locations = Fiber.new{
       begin
         begin
           helper_test_exception_backtrace_locations
@@ -37,11 +36,34 @@ class TestBacktrace < Test::Unit::TestCase
           raise
         end
       rescue => e
-        e.backtrace_locations
+        [e.backtrace, e.backtrace_locations]
+      end
+    }.resume
+    assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
+  end
+
+  def call_helper_test_exception_backtrace_locations
+    helper_test_exception_backtrace_locations(:bad_argument)
+  end
+
+  def test_argument_error_backtrace_locations
+    backtrace, backtrace_locations = Fiber.new{
+      begin
+        helper_test_exception_backtrace_locations(1)
+      rescue ArgumentError => e
+        [e.backtrace, e.backtrace_locations]
+      end
+    }.resume
+    assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
+
+    backtrace, backtrace_locations = Fiber.new{
+      begin
+        call_helper_test_exception_backtrace_locations
+      rescue ArgumentError => e
+        [e.backtrace, e.backtrace_locations]
       end
     }.resume
-    assert_equal(2, bt.size)
-    assert_match(/helper_test_exception_backtrace_locations/, bt[0].to_s)
+    assert_equal(backtrace, backtrace_locations.map{|e| e.to_s})
   end
 
   def test_caller_lev
-- 
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