0e4cae13f4
A break location is considered muted if it has break points, but their conditions all evaluate to false. Aside from not triggering break events, debugger statements and exceptions are also ignored. R=verwaest@chromium.org BUG=chromium:429167 LOG=Y Review URL: https://codereview.chromium.org/1610073002 Cr-Commit-Position: refs/heads/master@{#33429}
84 lines
1.4 KiB
JavaScript
84 lines
1.4 KiB
JavaScript
// Copyright 2016 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
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var Debug = debug.Debug;
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var break_count = 0;
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var exception_count = 0;
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function assertCount(expected_breaks, expected_exceptions) {
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assertEquals(expected_breaks, break_count);
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assertEquals(expected_exceptions, exception_count);
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}
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function listener(event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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break_count++;
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} else if (event == Debug.DebugEvent.Exception) {
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exception_count++;
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}
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}
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function f(x) {
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debugger;
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return x + 1;
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}
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function g(x) {
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try {
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throw x;
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} catch (e) {
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}
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}
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Debug.setListener(listener);
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assertCount(0, 0);
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f(0);
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assertCount(1, 0);
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g(0);
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assertCount(1, 0);
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Debug.setBreakOnException();
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f(0);
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assertCount(2, 0);
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g(0);
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assertCount(2, 1);
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Debug.setBreakPoint(f, 1, 0, "x == 1");
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f(1);
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assertCount(3, 1);
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f(2);
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assertCount(3, 1);
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f(1);
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assertCount(4, 1);
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Debug.setBreakPoint(f, 1, 0, "x > 0");
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f(1);
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assertCount(5, 1);
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f(0);
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assertCount(5, 1);
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Debug.setBreakPoint(g, 2, 0, "1 == 2");
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g(1);
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assertCount(5, 1);
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Debug.setBreakPoint(g, 2, 0, "x == 1");
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g(1);
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assertCount(6, 2);
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g(2);
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assertCount(6, 2);
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g(1);
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assertCount(7, 3);
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Debug.setBreakPoint(g, 2, 0, "x > 0");
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g(1);
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assertCount(8, 4);
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g(0);
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assertCount(8, 4);
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Debug.clearBreakOnException();
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Debug.setListener(null);
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