mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-06 00:41:32 +00:00
537 lines
22 KiB
C++
537 lines
22 KiB
C++
/*
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* Copyright (C) 2015-2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ExecutionTimeLimitTest.h"
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#include "InitializeThreading.h"
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#include "JSContextRefPrivate.h"
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#include "JavaScript.h"
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#include "Options.h"
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#include <wtf/CPUTime.h>
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#include <wtf/Condition.h>
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#include <wtf/Lock.h>
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#include <wtf/Threading.h>
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#include <wtf/text/StringBuilder.h>
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#if HAVE(MACH_EXCEPTIONS)
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#include <dispatch/dispatch.h>
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#endif
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using JSC::Options;
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static JSGlobalContextRef context = nullptr;
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static JSValueRef currentCPUTimeAsJSFunctionCallback(JSContextRef ctx, JSObjectRef functionObject, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
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{
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UNUSED_PARAM(functionObject);
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UNUSED_PARAM(thisObject);
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UNUSED_PARAM(argumentCount);
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UNUSED_PARAM(arguments);
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UNUSED_PARAM(exception);
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ASSERT(JSContextGetGlobalContext(ctx) == context);
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return JSValueMakeNumber(ctx, CPUTime::forCurrentThread().seconds());
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}
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bool shouldTerminateCallbackWasCalled = false;
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static bool shouldTerminateCallback(JSContextRef, void*)
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{
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shouldTerminateCallbackWasCalled = true;
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return true;
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}
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bool cancelTerminateCallbackWasCalled = false;
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static bool cancelTerminateCallback(JSContextRef, void*)
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{
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cancelTerminateCallbackWasCalled = true;
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return false;
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}
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int extendTerminateCallbackCalled = 0;
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static bool extendTerminateCallback(JSContextRef ctx, void*)
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{
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extendTerminateCallbackCalled++;
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if (extendTerminateCallbackCalled == 1) {
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JSContextGroupRef contextGroup = JSContextGetGroup(ctx);
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JSContextGroupSetExecutionTimeLimit(contextGroup, .200f, extendTerminateCallback, nullptr);
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return false;
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}
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return true;
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}
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#if HAVE(MACH_EXCEPTIONS)
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bool dispatchTerminateCallbackCalled = false;
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static bool dispatchTermitateCallback(JSContextRef, void*)
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{
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dispatchTerminateCallbackCalled = true;
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return true;
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}
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#endif
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struct TierOptions {
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const char* tier;
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Seconds timeLimitAdjustment;
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const char* optionsStr;
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};
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static void testResetAfterTimeout(bool& failed)
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{
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JSValueRef v = nullptr;
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JSValueRef exception = nullptr;
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const char* reentryScript = "100";
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JSStringRef script = JSStringCreateWithUTF8CString(reentryScript);
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v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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JSStringRelease(script);
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if (exception) {
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printf("FAIL: Watchdog timeout was not reset.\n");
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failed = true;
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} else if (!JSValueIsNumber(context, v) || JSValueToNumber(context, v, nullptr) != 100) {
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printf("FAIL: Script result is not as expected.\n");
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failed = true;
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}
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}
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int testExecutionTimeLimit()
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{
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static const TierOptions tierOptionsList[] = {
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{ "LLINT", 0_ms, "--useConcurrentJIT=false --useLLInt=true --useJIT=false" },
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{ "Baseline", 0_ms, "--useConcurrentJIT=false --useLLInt=true --useJIT=true --useDFGJIT=false" },
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{ "DFG", 200_ms, "--useConcurrentJIT=false --useLLInt=true --useJIT=true --useDFGJIT=true --useFTLJIT=false" },
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#if ENABLE(FTL_JIT)
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{ "FTL", 500_ms, "--useConcurrentJIT=false --useLLInt=true --useJIT=true --useDFGJIT=true --useFTLJIT=true" },
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#endif
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};
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bool failed = false;
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JSC::initialize();
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for (auto tierOptions : tierOptionsList) {
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StringBuilder savedOptionsBuilder;
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Options::dumpAllOptionsInALine(savedOptionsBuilder);
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Options::setOptions(tierOptions.optionsStr);
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Seconds tierAdjustment = tierOptions.timeLimitAdjustment;
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Seconds timeLimit;
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context = JSGlobalContextCreateInGroup(nullptr, nullptr);
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JSContextGroupRef contextGroup = JSContextGetGroup(context);
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JSObjectRef globalObject = JSContextGetGlobalObject(context);
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ASSERT(JSValueIsObject(context, globalObject));
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JSValueRef exception = nullptr;
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JSStringRef currentCPUTimeStr = JSStringCreateWithUTF8CString("currentCPUTime");
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JSObjectRef currentCPUTimeFunction = JSObjectMakeFunctionWithCallback(context, currentCPUTimeStr, currentCPUTimeAsJSFunctionCallback);
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JSObjectSetProperty(context, globalObject, currentCPUTimeStr, currentCPUTimeFunction, kJSPropertyAttributeNone, nullptr);
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JSStringRelease(currentCPUTimeStr);
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/* Test script on another thread: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), shouldTerminateCallback, nullptr);
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{
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#if OS(LINUX) && (CPU(MIPS) || CPU(ARM_THUMB2))
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Seconds timeAfterWatchdogShouldHaveFired = 500_ms + tierAdjustment;
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#else
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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#endif
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JSStringRef script = JSStringCreateWithUTF8CString("function foo() { while (true) { } } foo();");
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exception = nullptr;
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JSValueRef* exn = &exception;
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shouldTerminateCallbackWasCalled = false;
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auto thread = Thread::create("Rogue thread", [=] {
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JSEvaluateScript(context, script, nullptr, nullptr, 1, exn);
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});
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sleep(timeAfterWatchdogShouldHaveFired);
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if (shouldTerminateCallbackWasCalled)
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printf("PASS: %s script timed out as expected.\n", tierOptions.tier);
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else {
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printf("FAIL: %s script timeout callback was not called.\n", tierOptions.tier);
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exit(1);
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}
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if (!exception) {
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printf("FAIL: %s TerminatedExecutionException was not thrown.\n", tierOptions.tier);
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exit(1);
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}
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thread->waitForCompletion();
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testResetAfterTimeout(failed);
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JSStringRelease(script);
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}
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/* Test script timeout: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), shouldTerminateCallback, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", timeAfterWatchdogShouldHaveFired.seconds(), ") break;"
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"}"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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shouldTerminateCallbackWasCalled = false;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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JSStringRelease(script);
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if (((endTime - startTime) < timeAfterWatchdogShouldHaveFired) && shouldTerminateCallbackWasCalled)
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printf("PASS: %s script timed out as expected.\n", tierOptions.tier);
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else {
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if ((endTime - startTime) >= timeAfterWatchdogShouldHaveFired)
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printf("FAIL: %s script did not time out as expected.\n", tierOptions.tier);
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if (!shouldTerminateCallbackWasCalled)
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printf("FAIL: %s script timeout callback was not called.\n", tierOptions.tier);
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failed = true;
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}
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if (!exception) {
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printf("FAIL: %s TerminatedExecutionException was not thrown.\n", tierOptions.tier);
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failed = true;
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}
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testResetAfterTimeout(failed);
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}
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/* Test script timeout with tail calls: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), shouldTerminateCallback, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"var startTime = currentCPUTime();"
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"function recurse(i) {"
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"'use strict';"
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"if (i % 1000 === 0) {"
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"if (currentCPUTime() - startTime >", timeAfterWatchdogShouldHaveFired.seconds(), ") { return; }"
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"}"
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"return recurse(i + 1); }"
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"recurse(0);"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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shouldTerminateCallbackWasCalled = false;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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JSStringRelease(script);
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if (((endTime - startTime) < timeAfterWatchdogShouldHaveFired) && shouldTerminateCallbackWasCalled)
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printf("PASS: %s script with infinite tail calls timed out as expected .\n", tierOptions.tier);
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else {
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if ((endTime - startTime) >= timeAfterWatchdogShouldHaveFired)
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printf("FAIL: %s script with infinite tail calls did not time out as expected.\n", tierOptions.tier);
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if (!shouldTerminateCallbackWasCalled)
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printf("FAIL: %s script with infinite tail calls' timeout callback was not called.\n", tierOptions.tier);
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failed = true;
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}
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if (!exception) {
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printf("FAIL: %s TerminatedExecutionException was not thrown.\n", tierOptions.tier);
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failed = true;
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}
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testResetAfterTimeout(failed);
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}
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/* Test the script timeout's TerminatedExecutionException should NOT be catchable: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), shouldTerminateCallback, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"try {"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", timeAfterWatchdogShouldHaveFired.seconds(), ") break;"
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"}"
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"} catch(e) { }"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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shouldTerminateCallbackWasCalled = false;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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JSStringRelease(script);
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if (((endTime - startTime) >= timeAfterWatchdogShouldHaveFired) || !shouldTerminateCallbackWasCalled) {
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if (!((endTime - startTime) < timeAfterWatchdogShouldHaveFired))
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printf("FAIL: %s script did not time out as expected.\n", tierOptions.tier);
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if (!shouldTerminateCallbackWasCalled)
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printf("FAIL: %s script timeout callback was not called.\n", tierOptions.tier);
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failed = true;
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}
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if (exception)
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printf("PASS: %s TerminatedExecutionException was not catchable as expected.\n", tierOptions.tier);
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else {
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printf("FAIL: %s TerminatedExecutionException was caught.\n", tierOptions.tier);
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failed = true;
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}
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testResetAfterTimeout(failed);
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}
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/* Test script timeout with no callback: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), nullptr, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", timeAfterWatchdogShouldHaveFired.seconds(), ") break;"
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"}"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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shouldTerminateCallbackWasCalled = false;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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JSStringRelease(script);
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if (((endTime - startTime) < timeAfterWatchdogShouldHaveFired) && !shouldTerminateCallbackWasCalled)
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printf("PASS: %s script timed out as expected when no callback is specified.\n", tierOptions.tier);
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else {
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if ((endTime - startTime) >= timeAfterWatchdogShouldHaveFired)
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printf("FAIL: %s script did not time out as expected when no callback is specified.\n", tierOptions.tier);
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else
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printf("FAIL: %s script called stale callback function.\n", tierOptions.tier);
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failed = true;
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}
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if (!exception) {
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printf("FAIL: %s TerminatedExecutionException was not thrown.\n", tierOptions.tier);
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failed = true;
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}
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testResetAfterTimeout(failed);
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}
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/* Test script timeout cancellation: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), cancelTerminateCallback, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", timeAfterWatchdogShouldHaveFired.seconds(), ") break;"
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"}"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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cancelTerminateCallbackWasCalled = false;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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JSStringRelease(script);
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if (((endTime - startTime) >= timeAfterWatchdogShouldHaveFired) && cancelTerminateCallbackWasCalled && !exception)
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printf("PASS: %s script timeout was cancelled as expected.\n", tierOptions.tier);
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else {
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if (((endTime - startTime) < timeAfterWatchdogShouldHaveFired) || exception)
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printf("FAIL: %s script timeout was not cancelled.\n", tierOptions.tier);
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if (!cancelTerminateCallbackWasCalled)
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printf("FAIL: %s script timeout callback was not called.\n", tierOptions.tier);
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failed = true;
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}
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if (exception) {
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printf("FAIL: %s Unexpected TerminatedExecutionException thrown.\n", tierOptions.tier);
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failed = true;
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}
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}
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/* Test script timeout extension: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), extendTerminateCallback, nullptr);
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{
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Seconds timeBeforeExtendedDeadline = 250_ms + tierAdjustment;
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Seconds timeAfterExtendedDeadline = 600_ms + tierAdjustment;
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Seconds maxBusyLoopTime = 750_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", maxBusyLoopTime.seconds(), ") break;"
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"}"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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extendTerminateCallbackCalled = 0;
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auto startTime = CPUTime::forCurrentThread();
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JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
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auto endTime = CPUTime::forCurrentThread();
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auto deltaTime = endTime - startTime;
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JSStringRelease(script);
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if ((deltaTime >= timeBeforeExtendedDeadline) && (deltaTime < timeAfterExtendedDeadline) && (extendTerminateCallbackCalled == 2) && exception)
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printf("PASS: %s script timeout was extended as expected.\n", tierOptions.tier);
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else {
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if (deltaTime < timeBeforeExtendedDeadline)
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printf("FAIL: %s script timeout was not extended as expected.\n", tierOptions.tier);
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else if (deltaTime >= timeAfterExtendedDeadline)
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printf("FAIL: %s script did not timeout.\n", tierOptions.tier);
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if (extendTerminateCallbackCalled < 1)
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printf("FAIL: %s script timeout callback was not called.\n", tierOptions.tier);
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if (extendTerminateCallbackCalled < 2)
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printf("FAIL: %s script timeout callback was not called after timeout extension.\n", tierOptions.tier);
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if (!exception)
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printf("FAIL: %s TerminatedExecutionException was not thrown during timeout extension test.\n", tierOptions.tier);
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failed = true;
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}
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}
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#if HAVE(MACH_EXCEPTIONS)
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/* Test script timeout from dispatch queue: */
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timeLimit = 100_ms + tierAdjustment;
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JSContextGroupSetExecutionTimeLimit(contextGroup, timeLimit.seconds(), dispatchTermitateCallback, nullptr);
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{
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Seconds timeAfterWatchdogShouldHaveFired = 300_ms + tierAdjustment;
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CString scriptText = makeString(
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"function foo() {"
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"var startTime = currentCPUTime();"
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"while (true) {"
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"for (var i = 0; i < 1000; i++);"
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"if (currentCPUTime() - startTime > ", timeAfterWatchdogShouldHaveFired.seconds(), ") break;"
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"}"
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"}"
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"foo();"
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).utf8();
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JSStringRef script = JSStringCreateWithUTF8CString(scriptText.data());
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exception = nullptr;
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dispatchTerminateCallbackCalled = false;
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// We have to do this since blocks can only capture things as const.
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JSGlobalContextRef& contextRef = context;
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JSStringRef& scriptRef = script;
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JSValueRef& exceptionRef = exception;
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Lock syncLock;
|
|
Lock& syncLockRef = syncLock;
|
|
Condition synchronize;
|
|
Condition& synchronizeRef = synchronize;
|
|
bool didSynchronize = false;
|
|
bool& didSynchronizeRef = didSynchronize;
|
|
|
|
Seconds startTime;
|
|
Seconds endTime;
|
|
|
|
Seconds& startTimeRef = startTime;
|
|
Seconds& endTimeRef = endTime;
|
|
|
|
dispatch_group_t group = dispatch_group_create();
|
|
dispatch_group_async(group, dispatch_get_global_queue(0, 0), ^{
|
|
startTimeRef = CPUTime::forCurrentThread();
|
|
JSEvaluateScript(contextRef, scriptRef, nullptr, nullptr, 1, &exceptionRef);
|
|
endTimeRef = CPUTime::forCurrentThread();
|
|
auto locker = WTF::holdLock(syncLockRef);
|
|
didSynchronizeRef = true;
|
|
synchronizeRef.notifyAll();
|
|
});
|
|
|
|
auto locker = holdLock(syncLock);
|
|
synchronize.wait(syncLock, [&] { return didSynchronize; });
|
|
|
|
if (((endTime - startTime) < timeAfterWatchdogShouldHaveFired) && dispatchTerminateCallbackCalled)
|
|
printf("PASS: %s script on dispatch queue timed out as expected.\n", tierOptions.tier);
|
|
else {
|
|
if ((endTime - startTime) >= timeAfterWatchdogShouldHaveFired)
|
|
printf("FAIL: %s script on dispatch queue did not time out as expected.\n", tierOptions.tier);
|
|
if (!shouldTerminateCallbackWasCalled)
|
|
printf("FAIL: %s script on dispatch queue timeout callback was not called.\n", tierOptions.tier);
|
|
failed = true;
|
|
}
|
|
|
|
JSStringRelease(script);
|
|
}
|
|
#endif
|
|
|
|
JSGlobalContextRelease(context);
|
|
|
|
Options::setOptions(savedOptionsBuilder.toString().ascii().data());
|
|
}
|
|
|
|
return failed;
|
|
}
|