bcf8b05072
In doing so also remove all references to the --harmony-collections flag. Due to the way context snapshotting works, it's not possible to simply enable the flag by default. Depends on ES6 Symbols: https://codereview.chromium.org/421313004 BUG=v8:1622 LOG=Y R=arv@chromium.org, rossberg@chromium.org Review URL: https://codereview.chromium.org/427723002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22889 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
119 lines
2.7 KiB
JavaScript
119 lines
2.7 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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//
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// Flags: --expose-debug-as debug
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Debug = debug.Debug
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var exception = false;
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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.Break) {
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if (breaks == 0) {
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exec_state.prepareStep(Debug.StepAction.StepIn, 2);
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breaks = 1;
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} else if (breaks <= 3) {
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breaks++;
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// Check whether we break at the expected line.
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print(event_data.sourceLineText());
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assertTrue(event_data.sourceLineText().indexOf("Expected to step") > 0);
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exec_state.prepareStep(Debug.StepAction.StepIn, 3);
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}
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}
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} catch (e) {
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exception = true;
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}
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}
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function cb_set(num) {
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print("element " + num); // Expected to step to this point.
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return true;
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}
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function cb_map(key, val) {
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print("key " + key + ", value " + val); // Expected to step to this point.
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return true;
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}
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var s = new Set();
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s.add(1);
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s.add(2);
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s.add(3);
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s.add(4);
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var m = new Map();
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m.set('foo', 1);
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m.set('bar', 2);
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m.set('baz', 3);
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m.set('bat', 4);
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Debug.setListener(listener);
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var breaks = 0;
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debugger;
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s.forEach(cb_set);
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assertFalse(exception);
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assertEquals(4, breaks);
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breaks = 0;
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debugger;
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m.forEach(cb_map);
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assertFalse(exception);
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assertEquals(4, breaks);
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Debug.setListener(null);
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// Test two levels of builtin callbacks:
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// Array.forEach calls a callback function, which by itself uses
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// Array.forEach with another callback function.
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function second_level_listener(event, exec_state, event_data, data) {
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try {
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if (event == Debug.DebugEvent.Break) {
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if (breaks == 0) {
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exec_state.prepareStep(Debug.StepAction.StepIn, 3);
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breaks = 1;
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} else if (breaks <= 16) {
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breaks++;
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// Check whether we break at the expected line.
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assertTrue(event_data.sourceLineText().indexOf("Expected to step") > 0);
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// Step two steps further every four breaks to skip the
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// forEach call in the first level of recurision.
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var step = (breaks % 4 == 1) ? 6 : 3;
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exec_state.prepareStep(Debug.StepAction.StepIn, step);
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}
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}
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} catch (e) {
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exception = true;
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}
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}
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function cb_set_foreach(num) {
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s.forEach(cb_set);
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print("back to the first level of recursion.");
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}
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function cb_map_foreach(key, val) {
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m.forEach(cb_set);
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print("back to the first level of recursion.");
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}
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Debug.setListener(second_level_listener);
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breaks = 0;
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debugger;
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s.forEach(cb_set_foreach);
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assertFalse(exception);
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assertEquals(17, breaks);
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breaks = 0;
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debugger;
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m.forEach(cb_map_foreach);
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assertFalse(exception);
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assertEquals(17, breaks);
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Debug.setListener(null);
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