webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 182 deletions

diff --git a/Source/JavaScriptCore/API/tests/PingPongStackOverflowTest.cpp b/Source/JavaScriptCore/API/tests/PingPongStackOverflowTest.cpp
deleted file mode 100644
index 33f0772b3..000000000
--- a/Source/JavaScriptCore/API/tests/PingPongStackOverflowTest.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2015 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "PingPongStackOverflowTest.h"
-
-#include "InitializeThreading.h"
-#include "JSContextRefPrivate.h"
-#include "JavaScriptCore.h"
-#include "Options.h"
-#include <wtf/text/StringBuilder.h>
-
-using JSC::Options;
-
-static JSGlobalContextRef context = nullptr;
-static int nativeRecursionCount = 0;
-
-static bool PingPongStackOverflowObject_hasInstance(JSContextRef context, JSObjectRef constructor, JSValueRef possibleValue, JSValueRef* exception)
-{
-    UNUSED_PARAM(context);
-    UNUSED_PARAM(constructor);
-
-    JSStringRef hasInstanceName = JSStringCreateWithUTF8CString("hasInstance");
-    JSValueRef hasInstance = JSObjectGetProperty(context, constructor, hasInstanceName, exception);
-    JSStringRelease(hasInstanceName);
-    if (!hasInstance)
-        return false;
-
-    int countAtEntry = nativeRecursionCount++;
-
-    JSValueRef result = 0;
-    if (nativeRecursionCount < 100) {
-        JSObjectRef function = JSValueToObject(context, hasInstance, exception);
-        result = JSObjectCallAsFunction(context, function, constructor, 1, &possibleValue, exception);
-    } else {
-        StringBuilder builder;
-        builder.append("dummy.valueOf([0]");
-        for (int i = 1; i < 35000; i++) {
-            builder.append(", [");
-            builder.appendNumber(i);
-            builder.append("]");
-        }
-        builder.append(");");
-
-        JSStringRef script = JSStringCreateWithUTF8CString(builder.toString().utf8().data());
-        result = JSEvaluateScript(context, script, NULL, NULL, 1, exception);
-        JSStringRelease(script);
-    }
-
-    --nativeRecursionCount;
-    if (nativeRecursionCount != countAtEntry)
-        printf("    ERROR: PingPongStackOverflow test saw a recursion count mismatch\n");
-
-    return result && JSValueToBoolean(context, result);
-}
-
-JSClassDefinition PingPongStackOverflowObject_definition = {
-    0,
-    kJSClassAttributeNone,
-    
-    "PingPongStackOverflowObject",
-    NULL,
-    
-    NULL,
-    NULL,
-    
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    NULL,
-    PingPongStackOverflowObject_hasInstance,
-    NULL,
-};
-
-static JSClassRef PingPongStackOverflowObject_class(JSContextRef context)
-{
-    UNUSED_PARAM(context);
-    
-    static JSClassRef jsClass;
-    if (!jsClass)
-        jsClass = JSClassCreate(&PingPongStackOverflowObject_definition);
-    
-    return jsClass;
-}
-
-// This tests tests a stack overflow on VM reentry into a JS function from a native function
-// after ping-pong'ing back and forth between JS and native functions multiple times.
-// This test should not hang or crash.
-int testPingPongStackOverflow()
-{
-    bool failed = false;
-
-    JSC::initializeThreading();
-    Options::initialize(); // Ensure options is initialized first.
-
-    auto origReservedZoneSize = Options::reservedZoneSize();
-    auto origErrorModeReservedZoneSize = Options::errorModeReservedZoneSize();
-    auto origUseLLInt = Options::useLLInt();
-    auto origMaxPerThreadStackUsage = Options::maxPerThreadStackUsage();
-
-    Options::reservedZoneSize() = 128 * KB;
-    Options::errorModeReservedZoneSize() = 64 * KB;
-#if ENABLE(JIT)
-    // Normally, we want to disable the LLINT to force the use of JITted code which is necessary for
-    // reproducing the regression in https://bugs.webkit.org/show_bug.cgi?id=148749. However, we only
-    // want to do this if the LLINT isn't the only available execution engine.
-    Options::useLLInt() = false;
-#endif
-
-    const char* scriptString =
-        "var count = 0;" \
-        "PingPongStackOverflowObject.hasInstance = function f() {" \
-        "    return (undefined instanceof PingPongStackOverflowObject);" \
-        "};" \
-        "PingPongStackOverflowObject.__proto__ = undefined;" \
-        "undefined instanceof PingPongStackOverflowObject;";
-
-    JSValueRef scriptResult = nullptr;
-    JSValueRef exception = nullptr;
-    JSStringRef script = JSStringCreateWithUTF8CString(scriptString);
-
-    nativeRecursionCount = 0;
-    context = JSGlobalContextCreateInGroup(nullptr, nullptr);
-
-    JSObjectRef globalObject = JSContextGetGlobalObject(context);
-    ASSERT(JSValueIsObject(context, globalObject));
-
-    JSObjectRef PingPongStackOverflowObject = JSObjectMake(context, PingPongStackOverflowObject_class(context), NULL);
-    JSStringRef PingPongStackOverflowObjectString = JSStringCreateWithUTF8CString("PingPongStackOverflowObject");
-    JSObjectSetProperty(context, globalObject, PingPongStackOverflowObjectString, PingPongStackOverflowObject, kJSPropertyAttributeNone, NULL);
-    JSStringRelease(PingPongStackOverflowObjectString);
-
-    unsigned stackSize = 32 * KB;
-    Options::maxPerThreadStackUsage() = stackSize + Options::reservedZoneSize();
-
-    exception = nullptr;
-    scriptResult = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
-
-    if (!exception) {
-        printf("FAIL: PingPongStackOverflowError not thrown in PingPongStackOverflow test\n");
-        failed = true;
-    } else if (nativeRecursionCount) {
-        printf("FAIL: Unbalanced native recursion count: %d in PingPongStackOverflow test\n", nativeRecursionCount);
-        failed = true;
-    } else {
-        printf("PASS: PingPongStackOverflow test.\n");
-    }
-
-    Options::reservedZoneSize() = origReservedZoneSize;
-    Options::errorModeReservedZoneSize() = origErrorModeReservedZoneSize;
-    Options::useLLInt() = origUseLLInt;
-    Options::maxPerThreadStackUsage() = origMaxPerThreadStackUsage;
-
-    return failed;
-}