b8ae2249a4
Some debugging tests relied on the following anti-pattern:
let exception = false;
try {
/* ... some code that may throw on test failure ... */
} catch (e) {
exception = e;
}
assertFalse(exception);
This may be problematic if a falseish value is thrown.
Change-Id: I02eace4cc656fc9581928a90ac53cda4dc72b30c
Reviewed-on: https://chromium-review.googlesource.com/972822
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52105}
86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Debug = debug.Debug
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let listenerComplete = false;
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let exceptionThrown = 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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assertEquals(3, exec_state.frame(0).evaluate("1+2").value());
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assertEquals(5, exec_state.frame(0).evaluate("a+2").value());
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assertEquals(4, exec_state.frame(0).evaluate("({a:1,b:2}).b+2").value());
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assertEquals(3, exec_state.frame(0).evaluate("a").value());
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assertEquals(2, exec_state.frame(1).evaluate("a").value());
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assertEquals(1, exec_state.frame(2).evaluate("a").value());
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assertEquals(1, exec_state.evaluateGlobal("a").value());
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assertEquals(1, exec_state.evaluateGlobal("this.a").value());
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assertEquals(longString,
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exec_state.evaluateGlobal("this.longString").value());
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// Indicate that all was processed.
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listenerComplete = true;
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}
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} catch (e) {
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exceptionThrown = true;
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};
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};
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// Add the debug event listener.
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Debug.setListener(listener);
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function f() {
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var a = 3;
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};
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function g() {
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var a = 2;
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f();
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return a; // Use the value to prevent it being removed by DCE.
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};
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a = 1;
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// String which is longer than 80 chars.
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var longString = "1234567890_";
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for (var i = 0; i < 4; i++) {
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longString += longString;
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}
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// Set a break point at return in f and invoke g to hit the breakpoint.
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Debug.setBreakPoint(f, 2, 0);
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g();
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assertFalse(exceptionThrown, "exception in listener");
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// Make sure that the debug event listener vas invoked.
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assertTrue(listenerComplete, "listener did not run to completion");
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