e8ce7acf53
R=rossberg@chromium.org BUG=chromium:523543 LOG=N Review URL: https://codereview.chromium.org/1310213002 Cr-Commit-Position: refs/heads/master@{#30328}
122 lines
3.3 KiB
JavaScript
122 lines
3.3 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 --harmony
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Debug = debug.Debug;
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var break_count = 0
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var exception = null;
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var log = []
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var s = 0;
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var a = [1, 2, 3];
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var i = 0;
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function f() {
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"use strict";
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debugger; // Break a
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var j; // Break b
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for (var i in null) { // Break c
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s += a[i];
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}
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for (j in null) { // Break d
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s += a[j];
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}
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for (var i in a) { // Break e
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s += a[i]; // Break E
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}
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for (j in a) { // Break f
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s += a[j]; // Break F
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}
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for (let i in a) { // Break g
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s += a[i]; // Break G
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}
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for (var i of a) { // Break h
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s += i; // Break H
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}
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for (j of a) { // Break i
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s += j; // Break I
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}
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for (let i of a) { // Break j
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s += i; // Break J
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}
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for (var i = 0; i < 3; i++) { // Break k
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s += a[i]; // Break K
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}
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for (j = 0; j < 3; j++) { // Break l
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s += a[j]; // Break L
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}
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for (let i = 0; i < 3; i++) { // Break m
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s += a[i]; // Break M
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}
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} // Break y
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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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var line = exec_state.frame(0).sourceLineText();
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var col = exec_state.frame(0).sourceColumn();
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print(line);
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var match = line.match(/\/\/ Break (\w)$/);
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assertEquals(2, match.length);
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log.push(match[1] + col);
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exec_state.prepareStep(Debug.StepAction.StepNext, 1);
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break_count++;
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} catch (e) {
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exception = e;
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}
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}
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Debug.setListener(listener);
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f();
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Debug.setListener(null); // Break z
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print("log:\n"+ JSON.stringify(log));
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// The let declaration differs from var in that the loop variable
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// is declared in every iteration.
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var expected = [
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// Entry
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"a2","b2",
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// Empty for-in-var: get enumerable
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"c16",
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// Empty for-in: get enumerable
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"d12",
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// For-in-var: get enumerable, assign, body, assign, body, ...
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"e16","e11","E4","e11","E4","e11","E4","e11",
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// For-in: get enumerable, assign, body, assign, body, ...
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"f12","f7","F4","f7","F4","f7","F4","f7",
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// For-in-let: get enumerable, next, body, next, ...
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"g16","g11","G4","g11","G4","g11","G4","g11",
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// For-of-var: next(), body, next(), body, ...
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"h16","H4","h16","H4","h16","H4","h16",
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// For-of: next(), body, next(), body, ...
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"i12","I4","i12","I4","i12","I4","i12",
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// For-of-let: next(), body, next(), ...
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"j16","J4","j16","J4","j16","J4","j16",
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// For-var: var decl, condition, body, next, condition, body, ...
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"k7","k20","K4","k26","k20","K4","k26","k20","K4","k26","k20",
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// For: init, condition, body, next, condition, body, ...
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"l7","l16","L4","l22","l16","L4","l22","l16","L4","l22","l16",
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// For-let: init, condition, body, next, condition, body, ...
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"m7","m20","M4","m26","m20","M4","m26","m20","M4","m26","m20",
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// Exit.
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"y0","z0",
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]
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print("expected:\n"+ JSON.stringify(expected));
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assertArrayEquals(expected, log);
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assertEquals(54, s);
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assertNull(exception);
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