[apple/javascriptcore.git] / API / tests / ExecutionTimeLimitTest.cpp

/*
 * 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)
Commit	Line	Data
ed1e77d3 A	1	/*
	2	* Copyright (C) 2015 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#include "config.h"
	27	#include "ExecutionTimeLimitTest.h"
	28
	29	#if OS(DARWIN)
	30
	31	#include "JSContextRefPrivate.h"
	32	#include "JavaScriptCore.h"
	33
	34	#include <mach/mach.h>
	35	#include <mach/mach_time.h>
	36	#include <stdio.h>
	37	#include <sys/time.h>
	38
	39	static JSGlobalContextRef context = nullptr;
	40
	41	static double currentCPUTime()
	42	{
	43	mach_msg_type_number_t infoCount = THREAD_BASIC_INFO_COUNT;
	44	thread_basic_info_data_t info;
	45
	46	/* Get thread information */
	47	mach_port_t threadPort = mach_thread_self();
	48	thread_info(threadPort, THREAD_BASIC_INFO, (thread_info_t)(&info), &infoCount);
	49	mach_port_deallocate(mach_task_self(), threadPort);
	50
	51	double time = info.user_time.seconds + info.user_time.microseconds / 1000000.;
	52	time += info.system_time.seconds + info.system_time.microseconds / 1000000.;
	53
	54	return time;
	55	}
	56
	57	static JSValueRef currentCPUTimeAsJSFunctionCallback(JSContextRef ctx, JSObjectRef functionObject, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
	58	{
	59	UNUSED_PARAM(functionObject);
	60	UNUSED_PARAM(thisObject);
	61	UNUSED_PARAM(argumentCount);
	62	UNUSED_PARAM(arguments);
	63	UNUSED_PARAM(exception);
	64
65	ASSERT(JSContextGetGlobalContext(ctx) == context);
66	return JSValueMakeNumber(ctx, currentCPUTime());
67	}
68
69	bool shouldTerminateCallbackWasCalled = false;
70	static bool shouldTerminateCallback(JSContextRef ctx, void* context)
71	{
72	UNUSED_PARAM(ctx);
73	UNUSED_PARAM(context);
74	shouldTerminateCallbackWasCalled = true;
75	return true;
76	}
77
78	bool cancelTerminateCallbackWasCalled = false;
79	static bool cancelTerminateCallback(JSContextRef ctx, void* context)
80	{
81	UNUSED_PARAM(ctx);
82	UNUSED_PARAM(context);
83	cancelTerminateCallbackWasCalled = true;
84	return false;
85	}
86
87	int extendTerminateCallbackCalled = 0;
88	static bool extendTerminateCallback(JSContextRef ctx, void* context)
89	{
90	UNUSED_PARAM(context);
91	extendTerminateCallbackCalled++;
92	if (extendTerminateCallbackCalled == 1) {
93	JSContextGroupRef contextGroup = JSContextGetGroup(ctx);
94	JSContextGroupSetExecutionTimeLimit(contextGroup, .200f, extendTerminateCallback, 0);
95	return false;
96	}
97	return true;
98	}
99
100
101	int testExecutionTimeLimit()
102	{
103	context = JSGlobalContextCreateInGroup(nullptr, nullptr);
104
105	JSContextGroupRef contextGroup = JSContextGetGroup(context);
106	JSObjectRef globalObject = JSContextGetGlobalObject(context);
107	ASSERT(JSValueIsObject(context, globalObject));
108
109	JSValueRef v = nullptr;
110	JSValueRef exception = nullptr;
111	bool failed = false;
112
113	JSStringRef currentCPUTimeStr = JSStringCreateWithUTF8CString("currentCPUTime");
114	JSObjectRef currentCPUTimeFunction = JSObjectMakeFunctionWithCallback(context, currentCPUTimeStr, currentCPUTimeAsJSFunctionCallback);
115	JSObjectSetProperty(context, globalObject, currentCPUTimeStr, currentCPUTimeFunction, kJSPropertyAttributeNone, nullptr);
116	JSStringRelease(currentCPUTimeStr);
117
118	/* Test script timeout: */
119	JSContextGroupSetExecutionTimeLimit(contextGroup, .10f, shouldTerminateCallback, 0);
120	{
121	const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
122	JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
123	double startTime;
124	double endTime;
125	exception = nullptr;
126	shouldTerminateCallbackWasCalled = false;
127	startTime = currentCPUTime();
128	v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
129	endTime = currentCPUTime();
130
131	if (((endTime - startTime) < .150f) && shouldTerminateCallbackWasCalled)
132	printf("PASS: script timed out as expected.\n");
133	else {
134	if (!((endTime - startTime) < .150f))
135	printf("FAIL: script did not time out as expected.\n");
136	if (!shouldTerminateCallbackWasCalled)
137	printf("FAIL: script timeout callback was not called.\n");
138	failed = true;
139	}
140
141	if (!exception) {
142	printf("FAIL: TerminatedExecutionException was not thrown.\n");
143	failed = true;
144	}
145	}
146
147	/* Test the script timeout's TerminatedExecutionException should NOT be catchable: */
148	JSContextGroupSetExecutionTimeLimit(contextGroup, 0.10f, shouldTerminateCallback, 0);
149	{
150	const char* loopForeverScript = "var startTime = currentCPUTime(); try { while (true) { if (currentCPUTime() - startTime > .150) break; } } catch(e) { }";
151	JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
152	double startTime;
153	double endTime;
154	exception = nullptr;
155	shouldTerminateCallbackWasCalled = false;
156	startTime = currentCPUTime();
157	v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
158	endTime = currentCPUTime();
159
160	if (((endTime - startTime) >= .150f) \|\| !shouldTerminateCallbackWasCalled) {
161	if (!((endTime - startTime) < .150f))
162	printf("FAIL: script did not time out as expected.\n");
163	if (!shouldTerminateCallbackWasCalled)
164	printf("FAIL: script timeout callback was not called.\n");
165	failed = true;
166	}
167
168	if (exception)
169	printf("PASS: TerminatedExecutionException was not catchable as expected.\n");
170	else {
171	printf("FAIL: TerminatedExecutionException was caught.\n");
172	failed = true;
173	}
174	}
175
176	/* Test script timeout with no callback: */
177	JSContextGroupSetExecutionTimeLimit(contextGroup, .10f, 0, 0);
178	{
179	const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
180	JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
181	double startTime;
182	double endTime;
183	exception = nullptr;
184	startTime = currentCPUTime();
185	v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
186	endTime = currentCPUTime();
187
188	if (((endTime - startTime) < .150f) && shouldTerminateCallbackWasCalled)
189	printf("PASS: script timed out as expected when no callback is specified.\n");
190	else {
191	if (!((endTime - startTime) < .150f))
192	printf("FAIL: script did not time out as expected when no callback is specified.\n");
193	failed = true;
194	}
195
196	if (!exception) {
197	printf("FAIL: TerminatedExecutionException was not thrown.\n");
198	failed = true;
199	}
200	}
201
202	/* Test script timeout cancellation: */
203	JSContextGroupSetExecutionTimeLimit(contextGroup, 0.10f, cancelTerminateCallback, 0);
204	{
205	const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .150) break; } ";
206	JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
207	double startTime;
208	double endTime;
209	exception = nullptr;
210	startTime = currentCPUTime();
211	v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
212	endTime = currentCPUTime();
213
214	if (((endTime - startTime) >= .150f) && cancelTerminateCallbackWasCalled && !exception)
215	printf("PASS: script timeout was cancelled as expected.\n");
216	else {
217	if (((endTime - startTime) < .150) \|\| exception)
218	printf("FAIL: script timeout was not cancelled.\n");
219	if (!cancelTerminateCallbackWasCalled)
220	printf("FAIL: script timeout callback was not called.\n");
221	failed = true;
222	}
223
224	if (exception) {
225	printf("FAIL: Unexpected TerminatedExecutionException thrown.\n");
226	failed = true;
227	}
228	}
229
230	/* Test script timeout extension: */
231	JSContextGroupSetExecutionTimeLimit(contextGroup, 0.100f, extendTerminateCallback, 0);
232	{
233	const char* loopForeverScript = "var startTime = currentCPUTime(); while (true) { if (currentCPUTime() - startTime > .500) break; } ";
234	JSStringRef script = JSStringCreateWithUTF8CString(loopForeverScript);
235	double startTime;
236	double endTime;
237	double deltaTime;
238	exception = nullptr;
239	startTime = currentCPUTime();
240	v = JSEvaluateScript(context, script, nullptr, nullptr, 1, &exception);
241	endTime = currentCPUTime();
242	deltaTime = endTime - startTime;
243
244	if ((deltaTime >= .300f) && (deltaTime < .500f) && (extendTerminateCallbackCalled == 2) && exception)
245	printf("PASS: script timeout was extended as expected.\n");
246	else {
247	if (deltaTime < .200f)
248	printf("FAIL: script timeout was not extended as expected.\n");
249	else if (deltaTime >= .500f)
250	printf("FAIL: script did not timeout.\n");
251
252	if (extendTerminateCallbackCalled < 1)
253	printf("FAIL: script timeout callback was not called.\n");
254	if (extendTerminateCallbackCalled < 2)
255	printf("FAIL: script timeout callback was not called after timeout extension.\n");
256
257	if (!exception)
258	printf("FAIL: TerminatedExecutionException was not thrown during timeout extension test.\n");
259
260	failed = true;
261	}
262	}
263
264	JSGlobalContextRelease(context);
265	return failed;
266	}
267
268	#endif // OS(DARWIN)