| // 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.desugar.backports; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public final class CharacterBackportTest extends AbstractBackportTest { |
| @Parameters(name = "{0}") |
| public static Iterable<?> data() { |
| return getTestParameters() |
| .withAllRuntimesAndApiLevels() |
| .build(); |
| } |
| |
| public CharacterBackportTest(TestParameters parameters) { |
| super(parameters, Character.class, Main.class); |
| registerTarget(AndroidApiLevel.N, 8); |
| registerTarget(AndroidApiLevel.K, 7); |
| } |
| |
| static final class Main extends MiniAssert { |
| public static void main(String[] args) { |
| testHashCode(); |
| testCompare(); |
| } |
| |
| private static void testHashCode() { |
| for (int i = Character.MIN_VALUE; i < Character.MAX_VALUE; i++) { |
| assertEquals(i, Character.hashCode((char) i)); |
| } |
| } |
| |
| private static void testCompare() { |
| assertTrue(Character.compare('b', 'a') > 0); |
| assertTrue(Character.compare('a', 'a') == 0); |
| assertTrue(Character.compare('a', 'b') < 0); |
| assertTrue(Character.compare(Character.MIN_VALUE, Character.MAX_VALUE) < 0); |
| assertTrue(Character.compare(Character.MAX_VALUE, Character.MIN_VALUE) > 0); |
| assertTrue(Character.compare(Character.MIN_VALUE, Character.MIN_VALUE) == 0); |
| assertTrue(Character.compare(Character.MAX_VALUE, Character.MAX_VALUE) == 0); |
| } |
| } |
| } |