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// Copyright (c) 2019, 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.shaking;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.graph.DexItemFactory;
import org.junit.Test;
public class ProguardPackageNameMatcherTest {
private DexItemFactory dexItemFactory = new DexItemFactory();
private boolean matches(ProguardPackageNameList matcher, String packageName) {
return matcher.matches(dexItemFactory.createType("L" + packageName.replace('.', '/') + "/A;"));
}
@Test
public void testSimple() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("com.example"))
.build();
assertTrue(matches(matcher, "com.example"));
assertFalse(matches(matcher, "com.exampl"));
assertFalse(matches(matcher, "com.example.a"));
}
@Test
public void testSingleEnd() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("com.example*"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "com.example1"));
assertTrue(matches(matcher, "com.example2"));
assertFalse(matches(matcher, "com.exampl"));
assertFalse(matches(matcher, "com.example.a"));
}
@Test
public void testSingleBeginning() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("*.example"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "org.example"));
assertFalse(matches(matcher, "com.example1"));
assertFalse(matches(matcher, "org.example1"));
assertFalse(matches(matcher, "com.exampl"));
assertFalse(matches(matcher, "com.example.a"));
}
@Test
public void testDoubleEnd() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("com.example**"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "com.example1"));
assertTrue(matches(matcher, "com.example2"));
assertTrue(matches(matcher, "com.example.a"));
assertTrue(matches(matcher, "com.example.a.a"));
assertFalse(matches(matcher, "com.exampl"));
}
@Test
public void testDoubleBeginning() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("**example"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "org.example"));
assertTrue(matches(matcher, "com.a.example"));
assertTrue(matches(matcher, "com.a.a.example"));
assertTrue(matches(matcher, "comexample"));
assertFalse(matches(matcher, "com.example1"));
}
@Test
public void testQuestionMark() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("com.e?ample"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "com.eyample"));
assertFalse(matches(matcher, "com.example1"));
assertFalse(matches(matcher, "com.example.a"));
}
@Test
public void testList() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("com.example"))
.addPackageName(false, new ProguardPackageMatcher("org.example"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "org.example"));
assertFalse(matches(matcher, "com.example1"));
assertFalse(matches(matcher, "com.example.a"));
assertFalse(matches(matcher, "org.example1"));
assertFalse(matches(matcher, "org.example.a"));
}
@Test
public void testListNegation() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(true, new ProguardPackageMatcher("!org.example"))
.addPackageName(false, new ProguardPackageMatcher("*.example"))
.build();
assertTrue(matches(matcher, "com.example"));
assertTrue(matches(matcher, "org.example"));
}
@Test
public void testListNegationNotMatched() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(false, new ProguardPackageMatcher("*.example"))
.addPackageName(true, new ProguardPackageMatcher("!org.example"))
.build();
assertTrue(matches(matcher, "com.example"));
// Negations only stops attempts on subsequent names.
assertTrue(matches(matcher, "org.example"));
}
@Test
public void testNegateAll() {
ProguardPackageNameList matcher =
ProguardPackageNameList.builder()
.addPackageName(true, new ProguardPackageMatcher("!**"))
.build();
assertFalse(matches(matcher, "com"));
assertFalse(matches(matcher, "com.example"));
assertFalse(matches(matcher, "com.example.a"));
}
}