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Unified Diff: test/cctest/test-debug.cc

Issue 1154163006: Debugger: consider try-finally scopes not catching wrt debug events. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: remove modes for PredictExceptionCatcher Created 5 years, 7 months ago
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Index: test/cctest/test-debug.cc
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index 4de243b6cc149097f8ddb497c0b3d1775ca980f0..89fdabb46a272aef30f5302bafa5a0a702279d4b 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -3856,6 +3856,13 @@ TEST(PauseInScript) {
}
+static void DebugEventCounterCheck(int caught, int uncaught, int message) {
+ CHECK_EQ(caught, exception_hit_count);
+ CHECK_EQ(uncaught, uncaught_exception_hit_count);
+ CHECK_EQ(message, message_callback_count);
+}
+
+
// Test break on exceptions. For each exception break combination the number
// of debug event exception callbacks and message callbacks are collected. The
// number of debug event exception callbacks are used to check that the
@@ -3875,6 +3882,15 @@ TEST(BreakOnException) {
"caught");
v8::Local<v8::Function> notCaught =
CompileFunction(&env, "function notCaught(){throws();}", "notCaught");
+ v8::Local<v8::Function> notCaughtFinally = CompileFunction(
+ &env, "function notCaughtFinally(){try{throws();}finally{}}",
+ "notCaughtFinally");
+ // In this edge case, even though this finally does not propagate the
+ // exception, the debugger considers this uncaught, since we want to break
+ // at the first throw for the general case where finally implicitly rethrows.
+ v8::Local<v8::Function> edgeCaseFinally = CompileFunction(
+ &env, "function caughtFinally(){L:try{throws();}finally{break L;}}",
+ "caughtFinally");
v8::V8::AddMessageListener(MessageCallbackCount);
v8::Debug::SetDebugEventListener(DebugEventCounter);
@@ -3883,117 +3899,117 @@ TEST(BreakOnException) {
DebugEventCounterClear();
MessageCallbackCountClear();
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(0, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(0, 0, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
// No break on exception
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnException(false, false);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(0, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(0, 0, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
// Break on uncaught exception
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnException(false, true);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(0, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(1, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(2, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 3, 2);
// Break on exception and uncaught exception
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnException(true, true);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(1, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(2, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(2, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(4, 3, 2);
// Break on exception
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnException(true, false);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(1, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(2, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(2, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(4, 3, 2);
// No break on exception using JavaScript
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, false);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(0, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(0, 0, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(0, 0, 2);
// Break on uncaught exception using JavaScript
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnExceptionFromJS(env->GetIsolate(), false, true);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(0, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(0, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(1, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(2, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 3, 2);
// Break on exception and uncaught exception using JavaScript
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, true);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(0, message_callback_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
+ DebugEventCounterCheck(1, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(2, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(2, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(4, 3, 2);
// Break on exception using JavaScript
DebugEventCounterClear();
MessageCallbackCountClear();
ChangeBreakOnExceptionFromJS(env->GetIsolate(), true, false);
caught->Call(env->Global(), 0, NULL);
- CHECK_EQ(1, exception_hit_count);
- CHECK_EQ(0, uncaught_exception_hit_count);
- CHECK_EQ(0, message_callback_count);
+ DebugEventCounterCheck(1, 0, 0);
notCaught->Call(env->Global(), 0, NULL);
- CHECK_EQ(2, exception_hit_count);
- CHECK_EQ(1, uncaught_exception_hit_count);
- CHECK_EQ(1, message_callback_count);
+ DebugEventCounterCheck(2, 1, 1);
+ notCaughtFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(3, 2, 2);
+ edgeCaseFinally->Call(env->Global(), 0, NULL);
+ DebugEventCounterCheck(4, 3, 2);
v8::Debug::SetDebugEventListener(NULL);
CheckDebuggerUnloaded();
@@ -4001,6 +4017,35 @@ TEST(BreakOnException) {
}
+static void try_finally_original_message(v8::Handle<v8::Message> message,
+ v8::Handle<v8::Value> data) {
+ CHECK_EQ(2, message->GetLineNumber());
+ CHECK_EQ(2, message->GetStartColumn());
+ message_callback_count++;
+}
+
+
+TEST(TryFinallyOriginalMessage) {
+ // Test that the debugger plays nicely with the pending message.
+ message_callback_count = 0;
+ DebugEventCounterClear();
+ v8::V8::AddMessageListener(try_finally_original_message);
+ v8::Debug::SetDebugEventListener(DebugEventCounter);
+ ChangeBreakOnException(true, true);
+ DebugLocalContext env;
+ v8::Isolate* isolate = CcTest::isolate();
+ v8::HandleScope scope(isolate);
+ CompileRun(
+ "try {\n"
+ " throw 1;\n"
+ "} finally {\n"
+ "}\n");
+ DebugEventCounterCheck(1, 1, 1);
+ v8::Debug::SetDebugEventListener(NULL);
+ v8::V8::RemoveMessageListeners(try_finally_original_message);
+}
+
+
TEST(EvalJSInDebugEventListenerOnNativeReThrownException) {
DebugLocalContext env;
v8::HandleScope scope(env->GetIsolate());
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