The Tor Browser: js/src/jsapi-tests/testSetProperty.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 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

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

    10 BEGIN_TEST(testSetProperty_NativeGetterStubSetter)

    11 {

    12     JS::RootedObject obj(cx, JS_NewObject(cx, nullptr, JS::NullPtr(), JS::NullPtr()));

    13     CHECK(obj);

    15     CHECK(JS_DefineProperty(cx, global, "globalProp", obj, JSPROP_ENUMERATE,

    16                             JS_PropertyStub, JS_StrictPropertyStub));

    18     CHECK(JS_DefineProperty(cx, obj, "prop", JS::UndefinedHandleValue, JSPROP_SHARED,

    19                             NativeGet, JS_StrictPropertyStub));

    21     EXEC("'use strict';                                     \n"

    22          "var error, passed = false;                        \n"

    23          "try                                               \n"

    24          "{                                                 \n"

    25          "  this.globalProp.prop = 42;                      \n"

    26          "  throw new Error('setting property succeeded!'); \n"

    27          "}                                                 \n"

    28          "catch (e)                                         \n"

    29          "{                                                 \n"

    30          "  error = e;                                      \n"

    31          "  if (e instanceof TypeError)                     \n"

    32          "    passed = true;                                \n"

    33          "}                                                 \n"

    34          "                                                  \n"

    35          "if (!passed)                                      \n"

    36          "  throw error;                                    \n");

    38     EXEC("var error, passed = false;                        \n"

    39          "try                                               \n"

    40          "{                                                 \n"

    41          "  this.globalProp.prop = 42;                      \n"

    42          "  if (this.globalProp.prop === 17)                \n"

    43          "    passed = true;                                \n"

    44          "  else                                            \n"

    45          "    throw new Error('bad value after set!');      \n"

    46          "}                                                 \n"

    47          "catch (e)                                         \n"

    48          "{                                                 \n"

    49          "  error = e;                                      \n"

    50          "}                                                 \n"

    51          "                                                  \n"

    52          "if (!passed)                                      \n"

    53          "  throw error;                                    \n");

    55     return true;

    56 }

    57 static bool

    58 NativeGet(JSContext *cx, JS::HandleObject obj, JS::HandleId id, JS::MutableHandleValue vp)

    59 {

    60     vp.set(INT_TO_JSVAL(17));

    61     return true;

    62 }

    63 END_TEST(testSetProperty_NativeGetterStubSetter)

    65 BEGIN_TEST(testSetProperty_InheritedGlobalSetter)

    66 {

    67     // This is a JSAPI test because jsapi-test globals do not have a resolve

    68     // hook and therefore can use the property cache in some cases where the

    69     // shell can't.

    70     JS_ASSERT(JS_GetClass(global)->resolve == &JS_ResolveStub);

    72     CHECK(JS_DefineProperty(cx, global, "HOTLOOP", 8, 0));

    73     EXEC("var n = 0;\n"

    74          "var global = this;\n"

    75          "function f() { n++; }\n"

    76          "Object.defineProperty(Object.prototype, 'x', {set: f});\n"

    77          "for (var i = 0; i < HOTLOOP; i++)\n"

    78          "    global.x = i;\n");

    79     EXEC("if (n != HOTLOOP)\n"

    80          "    throw 'FAIL';\n");

    81     return true;

    82 }

    83 END_TEST(testSetProperty_InheritedGlobalSetter)

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