/*
* Copyright (C) 2015 RoboVM AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.robovm.rt;
import static org.junit.Assert.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Assume;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.robovm.rt.bro.Bro;
/**
* Tests dynamically linked JNI.
*/
public class DynamicJNITest {
private static boolean ignoreAllTests = false;
private static boolean called = false;
@BeforeClass
public static void loadNativeLib() throws IOException {
String lib = null;
if (Bro.IS_IOS) {
lib = "libDynamicJNITest-ios.dylib";
} else if (Bro.IS_MACOSX) {
lib = "libDynamicJNITest-macosx.dylib";
} else if (Bro.IS_LINUX && Bro.IS_32BIT) {
lib = "libDynamicJNITest-linux-x86.so";
} else if (Bro.IS_LINUX && Bro.IS_64BIT) {
lib = "libDynamicJNITest-linux-x86_64.so";
}
if (lib != null) {
File libPath = File.createTempFile(lib.substring(0, lib.lastIndexOf('.')), lib.substring(lib.lastIndexOf('.')));
try (InputStream is = DynamicJNITest.class.getResourceAsStream("/" + lib)) {
try (FileOutputStream os = new FileOutputStream(libPath)) {
byte[] buf = new byte[8192];
int n;
while ((n = is.read(buf)) != -1) {
os.write(buf, 0, n);
}
}
}
try {
System.load(libPath.getAbsolutePath());
} catch (UnsatisfiedLinkError e) {
if (Bro.IS_IOS && Bro.IS_ARM) {
/*
* Running on device. This test class will only work on
* jailbroken devices. Just ignore the tests in this class
* if the UnsatisifedLinkError is due to running on
* non-jailbroken device. The exception message should look
* like: "... dlopen(...): no suitable image found...".
*/
if (e.getMessage() != null && e.getMessage().contains("no suitable image found")) {
ignoreAllTests = true;
}
}
}
}
}
@Before
public void setUp() {
Assume.assumeFalse(ignoreAllTests);
}
@Test
public void testShortName() {
assertEquals(3, add(1, 2));
}
@Test
public void testLongName() {
assertEquals(20, mul(4, 5));
}
@Test
public void testOverloadedMethodLongName() {
assertEquals(3, sub(6, 3));
assertEquals(9.0f, sub(13.0f, 4.0f), 0.0f);
}
@Test
public void testNoArgsShortName() {
called = false;
noArgsShort();
assertTrue(called);
}
@Test
public void testNoArgsLongName() {
called = false;
noArgsLong();
assertTrue(called);
}
@Test(expected = UnsatisfiedLinkError.class)
public void testNotBoundMethod() {
notBound();
}
@Test
public void testRegisterNatives() {
called = false;
try {
boundUsingRegisterNatives();
fail("UnsatisfiedLinkError");
} catch (UnsatisfiedLinkError e) {
}
assertFalse(called);
registerNatives();
boundUsingRegisterNatives();
assertTrue(called);
}
private static native int add(int a, int b);
private static native int mul(int a, int b);
private static native int sub(int a, int b);
private static native float sub(float a, float b);
private static native void noArgsShort();
private static native void noArgsLong();
private static native void notBound();
private static native void registerNatives();
private static native void boundUsingRegisterNatives();
}