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/*
* Copyright (C) 2012 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 com.android.jack;
import com.android.jack.backend.dex.FieldInitializerRemover;
import com.android.jack.ir.ast.JDefinedClassOrInterface;
import com.android.jack.ir.ast.JField;
import com.android.jack.ir.ast.JFieldInitializer;
import com.android.jack.ir.ast.JMethod;
import com.android.jack.ir.ast.JMethodBody;
import com.android.jack.ir.ast.JPrimitiveType.JPrimitiveTypeEnum;
import com.android.jack.ir.ast.JReturnStatement;
import com.android.jack.ir.ast.JSession;
import com.android.jack.ir.ast.JStatement;
import com.android.jack.scheduling.adapter.JDefinedClassOrInterfaceAdapter;
import com.android.jack.scheduling.adapter.JFieldAdapter;
import com.android.sched.scheduler.PlanBuilder;
import com.android.sched.scheduler.Request;
import com.android.sched.scheduler.Scheduler;
import com.android.sched.scheduler.SubPlanBuilder;
import com.android.sched.scheduler.TagOrMarkerOrComponentSet;
import junit.framework.Assert;
import org.junit.Test;
import java.util.List;
/**
* JUnit test for compilation of static field access.
*/
public class StaticValuesTest {
private static final String CLINIT = "<clinit>";
@Test
public void testGeneratedClinit1() throws Exception {
Assert.assertTrue(
containsOnlyReturn(compileAndGetClinit("com/android/jack/field/static004/jack/Data1")));
}
@Test
public void testGeneratedClinit2() throws Exception {
Assert.assertTrue(
containsOnlyReturn(compileAndGetClinit("com/android/jack/field/static004/jack/Data2")));
}
@Test
public void testGeneratedClinit3() throws Exception {
Assert.assertFalse(
containsOnlyReturn(compileAndGetClinit("com/android/jack/field/static004/jack/Data3")));
}
@Test
public void testGeneratedClinit4() throws Exception {
Assert.assertTrue(
containsOnlyReturn(compileAndGetClinit("com/android/jack/field/static004/jack/Data4")));
}
@Test
public void testGeneratedClinit5() throws Exception {
Assert.assertFalse(
containsOnlyReturn(compileAndGetClinit("com/android/jack/field/static004/jack/Data5")));
}
@Test
public void testGeneratedClinit6() throws Exception {
final String classBinaryName = "com/android/jack/field/static004/jack/Data6";
Options options = TestTools
.buildCommandLineArgs(TestTools.getJackTestFromBinaryName(classBinaryName));
options.addProperty(FieldInitializerRemover.CLASS_AS_INITIALVALUE.getName(), "true");
Assert.assertTrue(
containsOnlyReturn(compileAndGetClinit(classBinaryName, options)));
options = TestTools
.buildCommandLineArgs(TestTools.getJackTestFromBinaryName(classBinaryName));
options.addProperty(FieldInitializerRemover.CLASS_AS_INITIALVALUE.getName(), "false");
Assert.assertFalse(
containsOnlyReturn(compileAndGetClinit(classBinaryName, options)));
}
private static JMethod compileAndGetClinit(String classBinaryName) throws Exception {
Options options = TestTools
.buildCommandLineArgs(TestTools.getJackTestFromBinaryName(classBinaryName));
return compileAndGetClinit(classBinaryName, options);
}
public static JMethod compileAndGetClinit(String classBinaryName, Options options)
throws Exception {
options.addProperty(Options.METHOD_FILTER.getName(), "supported-methods");
JSession session = TestTools.buildJAst(options);
Assert.assertNotNull(session);
Scheduler scheduler = Scheduler.getScheduler();
Request sr = scheduler.createScheduleRequest();
sr.addSchedulables(scheduler.getAllSchedulable());
TagOrMarkerOrComponentSet set = scheduler.createTagOrMarkerOrComponentSet();
set.add(JFieldInitializer.class);
sr.addInitialTagsOrMarkers(set);
PlanBuilder<JSession> planBuilder = sr.getPlanBuilder(JSession.class);
SubPlanBuilder<JDefinedClassOrInterface> typePlan =
planBuilder.appendSubPlan(JDefinedClassOrInterfaceAdapter.class);
SubPlanBuilder<JField> fieldPlan = typePlan.appendSubPlan(JFieldAdapter.class);
fieldPlan.append(FieldInitializerRemover.class);
planBuilder.getPlan().getScheduleInstance().process(session);
JDefinedClassOrInterface declaredType =
(JDefinedClassOrInterface) session.getLookup().getType("L" + classBinaryName + ";");
return declaredType.getMethod(CLINIT, JPrimitiveTypeEnum.VOID.getType());
}
private static boolean containsOnlyReturn(JMethod method) {
JMethodBody body = (JMethodBody) method.getBody();
assert body != null;
List<JStatement> statements = body.getBlock().getStatements();
return statements.size() == 1 && statements.get(0) instanceof JReturnStatement;
}
}
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