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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 lockedregioncodeinjection;
import org.junit.Assert;
import org.junit.Test;
/**
* To run the unit tests:
*
* <pre>
* <code>
* set -x
*
* croot frameworks/base/tools/locked_region_code_injection
*
* # Clean
* mkdir -p out
* rm -fr out/*
*
* # Make booster
* javac -cp lib/asm-6.0_BETA.jar:lib/asm-commons-6.0_BETA.jar:lib/asm-tree-6.0_BETA.jar:lib/asm-analysis-6.0_BETA.jar:lib/guava-21.0.jar src/*/*.java -d out/
* pushd out
* jar cfe lockedregioncodeinjection.jar lockedregioncodeinjection.Main */*.class
* popd
*
* # Make unit tests.
* javac -cp lib/junit-4.12.jar test/*/*.java -d out/
*
* pushd out
* jar cfe test_input.jar lockedregioncodeinjection.Test */*.class
* popd
*
* # Run tool on unit tests.
* java -ea -cp lib/asm-6.0_BETA.jar:lib/asm-commons-6.0_BETA.jar:lib/asm-tree-6.0_BETA.jar:lib/asm-analysis-6.0_BETA.jar:lib/guava-21.0.jar:out/lockedregioncodeinjection.jar \
* lockedregioncodeinjection.Main \
* -i out/test_input.jar -o out/test_output.jar \
* --targets 'Llockedregioncodeinjection/TestTarget;' \
* --pre 'lockedregioncodeinjection/TestTarget.boost' \
* --post 'lockedregioncodeinjection/TestTarget.unboost'
*
* # Run unit tests.
* java -ea -cp lib/hamcrest-core-1.3.jar:lib/junit-4.12.jar:out/test_output.jar \
* org.junit.runner.JUnitCore lockedregioncodeinjection.TestMain
* </code>
* </pre>
*/
public class TestMain {
@Test
public void testSimpleSynchronizedBlock() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
synchronized (t) {
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 0);
TestTarget.invoke();
}
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@Test
public void testSimpleSynchronizedMethod() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
t.synchronizedCall();
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@Test
public void testSimpleSynchronizedMethod2() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
t.synchronizedCallReturnInt();
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@Test
public void testSimpleSynchronizedMethod3() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
t.synchronizedCallReturnObject();
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@SuppressWarnings("unused")
@Test
public void testCaughtException() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
boolean caughtException = false;
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
try {
synchronized (t) {
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 0);
if (true) {
throw new RuntimeException();
}
TestTarget.invoke();
}
} catch (Throwable e) {
caughtException = true;
}
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 0); // Not called
Assert.assertTrue(caughtException);
}
@SuppressWarnings("unused")
private void testUncaughtException() {
TestTarget t = new TestTarget();
synchronized (t) {
if (true) {
throw new RuntimeException();
}
TestTarget.invoke();
}
}
@SuppressWarnings("unused")
@Test
public void testHandledFinally() {
TestTarget.resetCount();
try {
testUncaughtException();
} catch (Throwable t) {
}
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 0); // Not called
}
@Test
public void testNestedSynchronizedBlock() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
synchronized (t) {
synchronized (t) {
synchronized (t) {
synchronized (t) {
synchronized (t) {
synchronized (t) {
Assert.assertEquals(TestTarget.boostCount, 6);
Assert.assertEquals(TestTarget.unboostCount, 0);
TestTarget.invoke();
}
Assert.assertEquals(TestTarget.unboostCount, 1);
}
Assert.assertEquals(TestTarget.unboostCount, 2);
}
Assert.assertEquals(TestTarget.unboostCount, 3);
}
Assert.assertEquals(TestTarget.unboostCount, 4);
}
Assert.assertEquals(TestTarget.unboostCount, 5);
}
Assert.assertEquals(TestTarget.boostCount, 6);
Assert.assertEquals(TestTarget.unboostCount, 6);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@Test
public void testMethodWithControlFlow() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
if ((t.hashCode() + " ").contains("1")) {
t.synchronizedCall();
} else {
t.synchronizedCall();
}
// Should only be boosted once.
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 1);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
@Test
public void testUnboostThatThrows() {
TestTarget.resetCount();
TestTarget t = new TestTarget();
boolean asserted = false;
Assert.assertEquals(TestTarget.boostCount, 0);
Assert.assertEquals(TestTarget.unboostCount, 0);
try {
t.synchronizedThrowsOnUnboost();
} catch (RuntimeException e) {
asserted = true;
}
Assert.assertEquals(asserted, true);
Assert.assertEquals(TestTarget.boostCount, 1);
Assert.assertEquals(TestTarget.unboostCount, 0);
Assert.assertEquals(TestTarget.invokeCount, 1);
}
}
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