Version 2.3.6

test/cctest/test-debug.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1226 matching lines @@
   SetBreakPoint(foo, 0);
   CallWithBreakPoints(env->Global(), foo, 1, 25);
 
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded();
 }
 
 
 // Call the function three times with different garbage collections in between
 // and make sure that the break point survives.
-static void CallAndGC(v8::Local<v8::Object> recv, v8::Local<v8::Function> f) {
+static void CallAndGC(v8::Local<v8::Object> recv,
+                      v8::Local<v8::Function> f,
+                      bool force_compaction) {
   break_point_hit_count = 0;
 
   for (int i = 0; i < 3; i++) {
     // Call function.
     f->Call(recv, 0, NULL);
     CHECK_EQ(1 + i * 3, break_point_hit_count);
 
     // Scavenge and call function.
     Heap::CollectGarbage(0, v8::internal::NEW_SPACE);
     f->Call(recv, 0, NULL);
     CHECK_EQ(2 + i * 3, break_point_hit_count);
 
     // Mark sweep (and perhaps compact) and call function.
-    Heap::CollectAllGarbage(false);
+    Heap::CollectAllGarbage(force_compaction);
     f->Call(recv, 0, NULL);
     CHECK_EQ(3 + i * 3, break_point_hit_count);
   }
 }
 
 
-// Test that a break point can be set at a return store location.
-TEST(BreakPointSurviveGC) {
+static void TestBreakPointSurviveGC(bool force_compaction) {
   break_point_hit_count = 0;
   v8::HandleScope scope;
   DebugLocalContext env;
 
   v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
                                    v8::Undefined());
   v8::Local<v8::Function> foo;
 
   // Test IC store break point with garbage collection.
-  foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
-  SetBreakPoint(foo, 0);
-  CallAndGC(env->Global(), foo);
+  {
+    v8::Local<v8::Function> bar =
+        CompileFunction(&env, "function foo(){}", "foo");
+    foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
+    SetBreakPoint(foo, 0);
+  }
+  CallAndGC(env->Global(), foo, force_compaction);
 
   // Test IC load break point with garbage collection.
-  foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
-  SetBreakPoint(foo, 0);
-  CallAndGC(env->Global(), foo);
+  {
+    v8::Local<v8::Function> bar =
+        CompileFunction(&env, "function foo(){}", "foo");
+    foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
+    SetBreakPoint(foo, 0);
+  }
+  CallAndGC(env->Global(), foo, force_compaction);
 
   // Test IC call break point with garbage collection.
-  foo = CompileFunction(&env, "function bar(){};function foo(){bar();}", "foo");
-  SetBreakPoint(foo, 0);
-  CallAndGC(env->Global(), foo);
+  {
+    v8::Local<v8::Function> bar =
+        CompileFunction(&env, "function foo(){}", "foo");
+    foo = CompileFunction(&env,
+                          "function bar(){};function foo(){bar();}",
+                          "foo");
+    SetBreakPoint(foo, 0);
+  }
+  CallAndGC(env->Global(), foo, force_compaction);
 
   // Test return break point with garbage collection.
-  foo = CompileFunction(&env, "function foo(){}", "foo");
-  SetBreakPoint(foo, 0);
-  CallAndGC(env->Global(), foo);
+  {
+    v8::Local<v8::Function> bar =
+        CompileFunction(&env, "function foo(){}", "foo");
+    foo = CompileFunction(&env, "function foo(){}", "foo");
+    SetBreakPoint(foo, 0);
+  }
+  CallAndGC(env->Global(), foo, force_compaction);
+
+  // Test non IC break point with garbage collection.
+  {
+    v8::Local<v8::Function> bar =
+        CompileFunction(&env, "function foo(){}", "foo");
+    foo = CompileFunction(&env, "function foo(){var bar=0;}", "foo");
+    SetBreakPoint(foo, 0);
+  }
+  CallAndGC(env->Global(), foo, force_compaction);
+
 
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded();
 }
 
 
+// Test that a break point can be set at a return store location.
+TEST(BreakPointSurviveGC) {
+  TestBreakPointSurviveGC(false);
+  TestBreakPointSurviveGC(true);
+}
+
+
 // Test that break points can be set using the global Debug object.
 TEST(BreakPointThroughJavaScript) {
   break_point_hit_count = 0;
   v8::HandleScope scope;
   DebugLocalContext env;
   env.ExposeDebug();
 
   v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
                                    v8::Undefined());
   v8::Script::Compile(v8::String::New("function bar(){}"))->Run();
@@ skipping 5396 matching lines @@
 
   CHECK_EQ(2, TestClientData::constructor_call_counter);
   CHECK_EQ(TestClientData::constructor_call_counter,
            TestClientData::destructor_call_counter);
 
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded();
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT