The Tor Browser: js/src/jsapi-tests/testClassGetter.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  * Tests the JSClass::getProperty hook

     5  */

     6 /* This Source Code Form is subject to the terms of the Mozilla Public

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

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

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

    12 static int called_test_fn;

    13 static int called_test_prop_get;

    15 static bool test_prop_get( JSContext *cx, JS::HandleObject obj, JS::HandleId id, JS::MutableHandleValue vp )

    16 {

    17     called_test_prop_get++;

    18     return true;

    19 }

    21 static bool

    22 PTest(JSContext* cx, unsigned argc, jsval *vp);

    24 static const JSClass ptestClass = {

    25     "PTest",

    26     JSCLASS_HAS_PRIVATE,

    28     JS_PropertyStub,       // add

    29     JS_DeletePropertyStub, // delete

    30     test_prop_get,         // get

    31     JS_StrictPropertyStub, // set

    32     JS_EnumerateStub,

    33     JS_ResolveStub,

    34     JS_ConvertStub

    35 };

    37 static bool

    38 PTest(JSContext* cx, unsigned argc, jsval *vp)

    39 {

    40     JS::CallArgs args = JS::CallArgsFromVp(argc, vp);

    41     JSObject *obj = JS_NewObjectForConstructor(cx, &ptestClass, args);

    42     if (!obj)

    43         return false;

    44     args.rval().setObject(*obj);

    45     return true;

    46 }

    47 static bool test_fn(JSContext *cx, unsigned argc, jsval *vp)

    48 {

    49     called_test_fn++;

    50     return true;

    51 }

    53 static const JSFunctionSpec ptestFunctions[] = {

    54     JS_FS( "test_fn", test_fn, 0, 0 ),

    55     JS_FS_END

    56 };

    58 BEGIN_TEST(testClassGetter_isCalled)

    59 {

    60     CHECK(JS_InitClass(cx, global, js::NullPtr(), &ptestClass, PTest, 0,

    61                        nullptr, ptestFunctions, nullptr, nullptr));

    63     EXEC("function check() { var o = new PTest(); o.test_fn(); o.test_value1; o.test_value2; o.test_value1; }");

    65     for (int i = 1; i < 9; i++) {

    66         JS::RootedValue rval(cx);

    67         CHECK(JS_CallFunctionName(cx, global, "check", JS::HandleValueArray::empty(),

    68                                   &rval));

    69         CHECK_SAME(INT_TO_JSVAL(called_test_fn), INT_TO_JSVAL(i));

    70         CHECK_SAME(INT_TO_JSVAL(called_test_prop_get), INT_TO_JSVAL(4 * i));

    71     }

    72     return true;

    73 }

    74 END_TEST(testClassGetter_isCalled)

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