The Tor Browser: js/src/jsapi-tests/testGCOutOfMemory.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  *

     4  * Any copyright is dedicated to the Public Domain.

     5  * http://creativecommons.org/licenses/publicdomain/

     6  * Contributor: Igor Bukanov

     7  */

     9 #include "jsapi-tests/tests.h"

    11 static unsigned errorCount = 0;

    13 static void

    14 ErrorCounter(JSContext *cx, const char *message, JSErrorReport *report)

    15 {

    16     ++errorCount;

    17 }

    19 BEGIN_TEST(testGCOutOfMemory)

    20 {

    21     JS_SetErrorReporter(cx, ErrorCounter);

    23     JS::RootedValue root(cx);

    25     static const char source[] =

    26         "var max = 0; (function() {"

    27         "    var array = [];"

    28         "    for (; ; ++max)"

    29         "        array.push({});"

    30         "    array = []; array.push(0);"

    31         "})();";

    32     bool ok = JS_EvaluateScript(cx, global, source, strlen(source), "", 1, &root);

    34     /* Check that we get OOM. */

    35     CHECK(!ok);

    36     CHECK(!JS_IsExceptionPending(cx));

    37     CHECK_EQUAL(errorCount, 1);

    38     JS_GC(rt);

    40     // Temporarily disabled to reopen the tree. Bug 847579.

    41     return true;

    43     EVAL("(function() {"

    44          "    var array = [];"

    45          "    for (var i = max >> 2; i != 0;) {"

    46          "        --i;"

    47          "        array.push({});"

    48          "    }"

    49          "})();", &root);

    50     CHECK_EQUAL(errorCount, 1);

    51     return true;

    52 }

    54 virtual JSRuntime * createRuntime() {

    55     JSRuntime *rt = JS_NewRuntime(768 * 1024, JS_USE_HELPER_THREADS);

    56     if (!rt)

    57         return nullptr;

    58     setNativeStackQuota(rt);

    59     return rt;

    60 }

    62 virtual void destroyRuntime() {

    63     JS_DestroyRuntime(rt);

    64 }

    66 END_TEST(testGCOutOfMemory)

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