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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --harmony-async-await --expose-debug-as debug
Debug = debug.Debug
var exception = null;
var log;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Exception) return;
try {
var line = exec_state.frame(0).sourceLineText();
var match = /Exception (\w)/.exec(line);
assertNotNull(match);
log.push(match[1]);
} catch (e) {
exception = e;
}
}
async function thrower() {
throw "a"; // Exception a
}
async function caught_throw() {
try {
await thrower();
} catch (e) {
assertEquals("a", e);
}
}
// Caught throw, events on any exception.
log = [];
Debug.setListener(listener);
Debug.setBreakOnException();
caught_throw();
%RunMicrotasks();
Debug.setListener(null);
Debug.clearBreakOnException();
assertEquals(["a"], log);
assertNull(exception);
// Caught throw, events on uncaught exception.
log = [];
Debug.setListener(listener);
Debug.setBreakOnUncaughtException();
caught_throw();
%RunMicrotasks();
Debug.setListener(null);
Debug.clearBreakOnUncaughtException();
assertEquals([], log);
assertNull(exception);
var reject = Promise.reject("b");
async function caught_reject() {
try {
await reject;
} catch (e) {
assertEquals("b", e);
}
}
// Caught reject, events on any exception.
log = [];
Debug.setListener(listener);
Debug.setBreakOnException();
caught_reject();
%RunMicrotasks();
Debug.setListener(null);
Debug.clearBreakOnException();
assertEquals([], log);
assertNull(exception);
// Caught reject, events on uncaught exception.
log = [];
Debug.setListener(listener);
Debug.setBreakOnUncaughtException();
caught_reject();
%RunMicrotasks();
Debug.setListener(null);
Debug.clearBreakOnUncaughtException();
assertEquals([], log);
assertNull(exception);
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