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// Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.ToolHelper.ProcessResult;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.FileUtils;
import com.google.common.collect.ImmutableList;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public class R8ApiBinaryCompatibilityTests extends TestBase {
static final Path JAR = ToolHelper.API_SAMPLE_JAR;
static final String MAIN = "com.android.tools.apiusagesample.R8ApiUsageSample";
static final AndroidApiLevel MIN_API = AndroidApiLevel.K;
@Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withNoneRuntime().build();
}
public R8ApiBinaryCompatibilityTests(TestParameters parameters) {
parameters.assertNoneRuntime();
}
@Test
public void testCompatibility() throws IOException {
List<Path> inputs =
ImmutableList.of(Paths.get(ToolHelper.EXAMPLES_BUILD_DIR, "arithmetic.jar"));
String keepMain = "-keep public class arithmetic.Arithmetic {\n"
+ " public static void main(java.lang.String[]);\n"
+ "}";
Path pgConf = temp.getRoot().toPath().resolve("pg.conf");
FileUtils.writeTextFile(pgConf, keepMain);
Path mainDexRules = temp.getRoot().toPath().resolve("maindex.rules");
FileUtils.writeTextFile(mainDexRules, keepMain);
Path mainDexList = temp.getRoot().toPath().resolve("maindexlist.txt");
FileUtils.writeTextFile(mainDexList, "arithmetic/Arithmetic.class");
List<String> command =
ImmutableList.<String>builder()
.addAll(
ImmutableList.of(
ToolHelper.getJavaExecutable(),
"-cp",
JAR.toString() + File.pathSeparator + System.getProperty("java.class.path"),
MAIN,
// Compiler arguments.
"--output",
temp.newFolder().toString(),
"--min-api",
Integer.toString(MIN_API.getLevel()),
"--pg-conf",
pgConf.toString(),
"--main-dex-rules",
mainDexRules.toString(),
"--main-dex-list",
mainDexList.toString(),
"--lib",
ToolHelper.getAndroidJar(MIN_API).toString()))
.addAll(inputs.stream().map(Path::toString).collect(Collectors.toList()))
.build();
ProcessBuilder builder = new ProcessBuilder(command);
ProcessResult result = ToolHelper.runProcess(builder);
assertEquals(result.stderr + "\n" + result.stdout, 0, result.exitCode);
assertTrue(result.stdout, result.stdout.isEmpty());
assertTrue(result.stderr, result.stderr.isEmpty());
}
}