| Index: test/mjsunit/harmony/debug-async-break-on-stack.js
|
| diff --git a/test/mjsunit/harmony/debug-async-break-on-stack.js b/test/mjsunit/harmony/debug-async-break-on-stack.js
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d3d9d8bef63809fb880f98f478613b0f40c22b20
|
| --- /dev/null
|
| +++ b/test/mjsunit/harmony/debug-async-break-on-stack.js
|
| @@ -0,0 +1,78 @@
|
| +// 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: --expose-debug-as debug
|
| +// Flags: --harmony-async-await --allow-natives-syntax
|
| +
|
| +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();
|
| + print(line);
|
| + assertTrue(line.indexOf(`B${break_count}`) > 0);
|
| + } catch (e) {
|
| + exception = e;
|
| + }
|
| +}
|
| +
|
| +
|
| +async function g() {
|
| + setbreaks();
|
| + throw 1; // B1
|
| +}
|
| +
|
| +async function f() {
|
| + try {
|
| + await g();
|
| + } catch (e) {}
|
| + return 2; // B2
|
| +}
|
| +
|
| +function setbreaks() {
|
| + Debug.setListener(listener);
|
| + Debug.setBreakPoint(g, 2);
|
| + Debug.setBreakPoint(f, 4);
|
| +}
|
| +
|
| +f();
|
| +
|
| +%RunMicrotasks();
|
| +
|
| +assertEqualsAsync(2, async () => break_count);
|
| +assertEqualsAsync(null, async () => exception);
|
| +
|
| +Debug.setListener(null);
|
|
|