df2a92972b
BUG=v8:1543 LOG=n patch from issue 1519473002 at patchset 1 (http://crrev.com/1519473002#ps1) Review URL: https://codereview.chromium.org/1516843002 Cr-Commit-Position: refs/heads/master@{#32801}
79 lines
2.5 KiB
JavaScript
79 lines
2.5 KiB
JavaScript
// Copyright 2015 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 --harmony-proxies
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Debug = debug.Debug
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var exception = null;
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var log = [];
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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print(event_data.sourceLineText());
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var entry = "";
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for (var i = 0; i < exec_state.frameCount(); i++) {
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entry += exec_state.frame(i).sourceLineText().substr(-1);
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entry += exec_state.frame(i).sourceColumn();
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}
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log.push(entry);
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exec_state.prepareStep(Debug.StepAction.StepIn, 1);
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} catch (e) {
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exception = e;
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}
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};
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var target = {};
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var handler = {
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has: function(target, name) {
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return true; // h
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}, // i
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get: function(target, name) {
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return 42; // j
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}, // k
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set: function(target, name, value) {
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return false; // l
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}, // m
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enumerate: function(target) {
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function* keys() { // n
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yield "foo"; // o
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yield "bar"; // p
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} // q
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return keys(); // r
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}, // s
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}
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var proxy = new Proxy(target, handler);
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Debug.setListener(listener);
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debugger; // a
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var has = "step" in proxy; // b
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var get = proxy.step; // c
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proxy.step = 43; // d
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for (var i in proxy) { // e
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log.push(i); // f
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}
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Debug.setListener(null); // g
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assertNull(exception);
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assertTrue(has);
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assertEquals(42, get);
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assertEquals([
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"a0",
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"b0", "h4b20", "i2b20", // [[Has]]
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"c0", "j4c15", "k2c15", // [[Get]]
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"d0", "l4d11", "m2d11", // [[Set]]
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"e14", "r4e14", "q4r11e14", "s2e14", // for-in [[Enumerate]]
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"o6e14", "q4e14", "p6e14", "q4e14", "q4e14", // exhaust iterator
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"e9", // for-in-body
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"h4e9","i2e9", // [[Has]] property
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"f2","foo", "e9", // for-in-body
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"h4e9","i2e9", // [[Has]]property
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"f2","bar", "e9", // for-in-body
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"g0"
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], log);
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