6af8ca5e82
We cannot assume that the receiver is a JSObject, nor can we assume ToObject() completes successfully. TBR=yangguo@chromium.org Bug: chromium:739954 Change-Id: Id55571131ef8755e86f15cd2acb918ff0f1b7788 Reviewed-on: https://chromium-review.googlesource.com/632376 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#47611}
52 lines
1.3 KiB
JavaScript
52 lines
1.3 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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var o = {
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f: function() { throw new Error(); },
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get j() { o.h(); },
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set k(_) { o.j; },
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};
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o.g1 = function() { o.f() }
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o.g2 = o.g1;
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o.h = function() { o.g1() }
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try {
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o.k = 42;
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} catch (e) {
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Error.prepareStackTrace = function(e, frames) { return frames; };
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var frames = e.stack;
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Error.prepareStackTrace = undefined;
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assertEquals("f", frames[0].getMethodName());
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assertEquals(null, frames[1].getMethodName());
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assertEquals("h", frames[2].getMethodName());
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assertEquals("j", frames[3].getMethodName());
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assertEquals("k", frames[4].getMethodName());
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assertEquals(null, frames[5].getMethodName());
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}
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function testMethodName(f, frameNumber, expectedName) {
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try {
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Error.prepareStackTrace = function(e, frames) { return frames; }
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f();
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assertUnreachable();
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} catch (e) {
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const frame = e.stack[frameNumber];
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assertEquals(expectedName, frame.getMethodName());
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} finally {
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Error.prepareStackTrace = undefined;
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}
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}
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const thrower = { valueOf: () => { throw new Error(); }};
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{
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const str = "";
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testMethodName(() => { str.indexOf(str, thrower); }, 1, "indexOf");
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}
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{
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const nr = 42;
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testMethodName(() => { nr.toString(thrower); }, 1, "toString");
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}
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