b2a257f9ff
This flag was shipped on in 52, so it's due for removal. The patch includes removing the deprecated and unused-in-Blink API Promise::Chain, and many test updates. R=adamk@chromium.org BUG=v8:4633 Review-Url: https://codereview.chromium.org/2267033002 Cr-Commit-Position: refs/heads/master@{#38804}
69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-debug-as debug --allow-natives-syntax
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// Test debug events when we listen to all exceptions and
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// there is a catch handler for the exception thrown in a Promise.
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// We expect a normal Exception debug event to be triggered.
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Debug = debug.Debug;
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var expected_events = 1;
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var log = [];
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var p = new Promise(function(resolve, reject) {
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log.push("resolve");
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resolve();
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});
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var q = p.then(
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function() {
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log.push("throw");
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throw new Error("caught");
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});
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q.catch(
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function(e) {
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assertEquals("caught", e.message);
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});
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function listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Exception) {
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expected_events--;
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assertTrue(expected_events >= 0);
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assertEquals("caught", event_data.exception().message);
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assertSame(q, event_data.promise());
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assertFalse(event_data.uncaught());
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}
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} catch (e) {
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%AbortJS(e + "\n" + e.stack);
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}
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}
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Debug.setBreakOnException();
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Debug.setListener(listener);
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log.push("end main");
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function testDone(iteration) {
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function checkResult() {
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try {
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assertTrue(iteration < 10);
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if (expected_events === 0) {
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assertEquals(["resolve", "end main", "throw"], log);
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} else {
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testDone(iteration + 1);
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}
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} catch (e) {
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%AbortJS(e + "\n" + e.stack);
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}
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}
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%EnqueueMicrotask(checkResult);
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}
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testDone(0);
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