| // 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.ir.optimize.switches; |
| |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.NeverInline; |
| 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.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class StringSwitchWitNonConstIdTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public StringSwitchWitNonConstIdTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| testForD8() |
| .addProgramClasses(Main.class) |
| .release() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Foo", "Bar", "Baz", "Qux"); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class) |
| .addKeepMainRule(Main.class) |
| .enableInliningAnnotations() |
| .release() |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Foo", "Bar", "Baz", "Qux"); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| test("Foo"); |
| test("Bar"); |
| test("Baz"); |
| test("Qux"); |
| } |
| |
| @NeverInline |
| static void test(String str) { |
| int hashCode = str.hashCode(); |
| int id = 0; |
| int foo = one(); |
| switch (hashCode) { |
| case 70822: // "Foo".hashCode() |
| if (str.equals("Foo")) { |
| id = foo; |
| } |
| break; |
| case 66547: // "Bar".hashCode() |
| if (str.equals("Bar")) { |
| id = 2; |
| } |
| break; |
| case 66555: // "Baz".hashCode() |
| if (str.equals("Baz")) { |
| id = 3; |
| } |
| break; |
| } |
| switch (id) { |
| case 1: |
| System.out.println("Foo"); |
| break; |
| case 2: |
| System.out.println("Bar"); |
| break; |
| case 3: |
| System.out.println("Baz"); |
| break; |
| default: |
| System.out.println("Qux"); |
| break; |
| } |
| } |
| |
| @NeverInline |
| static int one() { |
| return 1; |
| } |
| } |
| } |