--- /dev/null
+/*
+ * 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 "ExecutionTimeLimitTest.h"
+
+#if OS(DARWIN)
+
+#include "JSContextRefPrivate.h"
+#include "JavaScriptCore.h"
+
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+#include <stdio.h>
+#include <sys/time.h>
+
+static JSGlobalContextRef context = nullptr;
+
+static double currentCPUTime()
+{
+ mach_msg_type_number_t infoCount = THREAD_BASIC_INFO_COUNT;
+ thread_basic_info_data_t info;
+
+ /* Get thread information */
+ mach_port_t threadPort = mach_thread_self();
+ thread_info(threadPort, THREAD_BASIC_INFO, (thread_info_t)(&info), &infoCount);
+ mach_port_deallocate(mach_task_self(), threadPort);
+
+ double time = info.user_time.seconds + info.user_time.microseconds / 1000000.;
+ time += info.system_time.seconds + info.system_time.microseconds / 1000000.;
+
+ return time;
+}
+
+static JSValueRef currentCPUTimeAsJSFunctionCallback(JSContextRef ctx, JSObjectRef functionObject, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+ UNUSED_PARAM(functionObject);
+ UNUSED_PARAM(thisObject);
+ UNUSED_PARAM(argumentCount);
+ UNUSED_PARAM(arguments);
+ UNUSED_PARAM(exception);
+
+ ASSERT(JSContextGetGlobalContext(ctx) == context);
+ return JSValueMakeNumber(ctx, currentCPUTime());
+}
+
+bool shouldTerminateCallbackWasCalled = false;
+static bool shouldTerminateCallback(JSContextRef ctx, void* context)
+{
+ UNUSED_PARAM(ctx);
+ UNUSED_PARAM(context);
+ shouldTerminateCallbackWasCalled = true;
+ return true;
+}
+
+bool cancelTerminateCallbackWasCalled = false;
+static bool cancelTerminateCallback(JSContextRef ctx, void* context)
+{
+ UNUSED_PARAM(ctx);
+ UNUSED_PARAM(context);
+ cancelTerminateCallbackWasCalled = true;
+ return false;
+}
+
+int extendTerminateCallbackCalled = 0;
+static bool extendTerminateCallback(JSContextRef ctx, void* context)
+{
+ UNUSED_PARAM(context);
+ extendTerminateCallbackCalled++;
+ if (extendTerminateCallbackCalled == 1) {
+ JSContextGroupRef contextGroup = JSContextGetGroup(ctx);
+ JSContextGroupSetExecutionTimeLimit(contextGroup, .200f, extendTerminateCallback, 0);
+ return false;
+ }
+ return true;
+}
+
+
+int testExecutionTimeLimit()
+{
+ context = JSGlobalContextCreateInGroup(nullptr, nullptr);
+
+ JSContextGroupRef contextGroup = JSContextGetGroup(context);
+ JSObjectRef globalObject = JSContextGetGlobalObject(context);
+ ASSERT(JSValueIsObject(context, globalObject));
+
+ JSValueRef v = nullptr;
+ JSValueRef exception = nullptr;
+ bool failed = false;
+
+ JSStringRef currentCPUTimeStr = JSStringCreateWithUTF8CString("currentCPUTime");
+ JSObjectRef currentCPUTimeFunction = JSObjectMakeFunctionWithCallback(context, currentCPUTimeStr, currentCPUTimeAsJSFunctionCallback);
+ JSObjectSetProperty(context, globalObject, currentCPUTimeStr, currentCPUTimeFunction, kJSPropertyAttributeNone, nullptr);
+ JSStringRelease(currentCPUTimeStr);
+
+ /* Test script timeout: */
+ JSContextGroupSetExecutionTimeLimit(contextGroup, .10f, shouldTerminateCallback, 0);
+ {
+ const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
+ JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
+ double startTime;
+ double endTime;
+ exception = nullptr;
+ shouldTerminateCallbackWasCalled = false;
+ startTime = currentCPUTime();
+ v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
+ endTime = currentCPUTime();
+
+ if (((endTime - startTime) < .150f) && shouldTerminateCallbackWasCalled)
+ printf("PASS: script timed out as expected.\n");
+ else {
+ if (!((endTime - startTime) < .150f))
+ printf("FAIL: script did not time out as expected.\n");
+ if (!shouldTerminateCallbackWasCalled)
+ printf("FAIL: script timeout callback was not called.\n");
+ failed = true;
+ }
+
+ if (!exception) {
+ printf("FAIL: TerminatedExecutionException was not thrown.\n");
+ failed = true;
+ }
+ }
+
+ /* Test the script timeout's TerminatedExecutionException should NOT be catchable: */
+ JSContextGroupSetExecutionTimeLimit(contextGroup, 0.10f, shouldTerminateCallback, 0);
+ {
+ const char* loopForeverScript = "var startTime = currentCPUTime(); try { while (true) { if (currentCPUTime() - startTime > .150) break; } } catch(e) { }";
+ JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
+ double startTime;
+ double endTime;
+ exception = nullptr;
+ shouldTerminateCallbackWasCalled = false;
+ startTime = currentCPUTime();
+ v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
+ endTime = currentCPUTime();
+
+ if (((endTime - startTime) >= .150f) || !shouldTerminateCallbackWasCalled) {
+ if (!((endTime - startTime) < .150f))
+ printf("FAIL: script did not time out as expected.\n");
+ if (!shouldTerminateCallbackWasCalled)
+ printf("FAIL: script timeout callback was not called.\n");
+ failed = true;
+ }
+
+ if (exception)
+ printf("PASS: TerminatedExecutionException was not catchable as expected.\n");
+ else {
+ printf("FAIL: TerminatedExecutionException was caught.\n");
+ failed = true;
+ }
+ }
+
+ /* Test script timeout with no callback: */
+ JSContextGroupSetExecutionTimeLimit(contextGroup, .10f, 0, 0);
+ {
+ const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
+ JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
+ double startTime;
+ double endTime;
+ exception = nullptr;
+ startTime = currentCPUTime();
+ v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
+ endTime = currentCPUTime();
+
+ if (((endTime - startTime) < .150f) && shouldTerminateCallbackWasCalled)
+ printf("PASS: script timed out as expected when no callback is specified.\n");
+ else {
+ if (!((endTime - startTime) < .150f))
+ printf("FAIL: script did not time out as expected when no callback is specified.\n");
+ failed = true;
+ }
+
+ if (!exception) {
+ printf("FAIL: TerminatedExecutionException was not thrown.\n");
+ failed = true;
+ }
+ }
+
+ /* Test script timeout cancellation: */
+ JSContextGroupSetExecutionTimeLimit(contextGroup, 0.10f, cancelTerminateCallback, 0);
+ {
+ const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
+ JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
+ double startTime;
+ double endTime;
+ exception = nullptr;
+ startTime = currentCPUTime();
+ v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
+ endTime = currentCPUTime();
+
+ if (((endTime - startTime) >= .150f) && cancelTerminateCallbackWasCalled && !exception)
+ printf("PASS: script timeout was cancelled as expected.\n");
+ else {
+ if (((endTime - startTime) < .150) || exception)
+ printf("FAIL: script timeout was not cancelled.\n");
+ if (!cancelTerminateCallbackWasCalled)
+ printf("FAIL: script timeout callback was not called.\n");
+ failed = true;
+ }
+
+ if (exception) {
+ printf("FAIL: Unexpected TerminatedExecutionException thrown.\n");
+ failed = true;
+ }
+ }
+
+ /* Test script timeout extension: */
+ JSContextGroupSetExecutionTimeLimit(contextGroup, 0.100f, extendTerminateCallback, 0);
+ {
+ const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .500) break; } ";
+ JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
+ double startTime;
+ double endTime;
+ double deltaTime;
+ exception = nullptr;
+ startTime = currentCPUTime();
+ v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
+ endTime = currentCPUTime();
+ deltaTime = endTime - startTime;
+
+ if ((deltaTime >= .300f) && (deltaTime < .500f) && (extendTerminateCallbackCalled == 2) && exception)
+ printf("PASS: script timeout was extended as expected.\n");
+ else {
+ if (deltaTime < .200f)
+ printf("FAIL: script timeout was not extended as expected.\n");
+ else if (deltaTime >= .500f)
+ printf("FAIL: script did not timeout.\n");
+
+ if (extendTerminateCallbackCalled < 1)
+ printf("FAIL: script timeout callback was not called.\n");
+ if (extendTerminateCallbackCalled < 2)
+ printf("FAIL: script timeout callback was not called after timeout extension.\n");
+
+ if (!exception)
+ printf("FAIL: TerminatedExecutionException was not thrown during timeout extension test.\n");
+
+ failed = true;
+ }
+ }
+
+ JSGlobalContextRelease(context);
+ return failed;
+}
+
+#endif // OS(DARWIN)
projects / apple / javascriptcore.git / blobdiff