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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: --harmony-async-await
var Debug = debug.Debug;
function assertEqualsAsync(expected, run, msg) {
var actual;
var hadValue = false;
var hadError = false;
var promise = run();
if (typeof promise !== "object" || typeof promise.then !== "function") {
throw new MjsUnitAssertionError(
"Expected " + run.toString() +
" to return a Promise, but it returned " + promise);
}
promise.then(function(value) { hadValue = true; actual = value; },
function(error) { hadError = true; actual = error; });
assertFalse(hadValue || hadError);
%RunMicrotasks();
if (hadError) throw actual;
assertTrue(
hadValue, "Expected '" + run.toString() + "' to produce a value");
assertEquals(expected, actual, msg);
}
var break_count = 0;
var exception = null;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
break_count++;
var line = exec_state.frame(0).sourceLineText();
assertTrue(line.indexOf(`B${break_count}`) > 0);
} catch (e) {
exception = e;
}
}
Debug.setListener(listener);
async function g() {
throw 1;
}
async function f() {
try {
await g(); // B1
} catch (e) {}
assertEquals(2, break_count); // B2
return 1; // B3
}
Debug.setBreakPoint(f, 2);
Debug.setBreakPoint(f, 4);
Debug.setBreakPoint(f, 5);
f();
%RunMicrotasks();
assertEqualsAsync(3, async () => break_count);
assertEqualsAsync(null, async () => exception);
Debug.setListener(null);
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