| // Copyright (c) 2021, 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.compilerapi; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class CompilerApiTestCollectionTest extends TestBase { |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public CompilerApiTestCollectionTest(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| /** |
| * If this test fails the API has changed in a non-compatible way. Likely the changes to the API |
| * will need to be undone/changed to preserve compatibility. |
| */ |
| @Test |
| public void runCheckedInTests() throws Exception { |
| new CompilerApiTestCollection(temp).runJunitOnCheckedInJar(); |
| } |
| |
| /** |
| * If this test fails the test.jar needs to be regenerated and uploaded to cloud storage. |
| * |
| * <p>See: {@code CompilerApiTestCollection.main} to regenerate. |
| * |
| * <p>To preserve compatibility, make sure only to regenerate together with test changes and with |
| * NO changes to the compiler itself. |
| */ |
| @Test |
| public void testCheckedInJarIsUpToDate() throws Exception { |
| new CompilerApiTestCollection(temp).verifyCheckedInJarIsUpToDate(); |
| } |
| |
| /** |
| * To produce a new tests.jar run the code below. This will generate a new jar overwriting the |
| * existing one. Remember to upload to cloud storage afterwards. |
| */ |
| public static void main(String[] args) throws Exception { |
| TemporaryFolder temp = new TemporaryFolder(); |
| temp.create(); |
| new CompilerApiTestCollection(temp).replaceJarForCheckedInTestClasses(); |
| } |
| } |