| // 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.ir.optimize.unusedarguments; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.google.common.collect.ImmutableSet; |
| import java.util.Collection; |
| import java.util.Set; |
| import org.junit.Assert; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class UnusedArgumentsIntTest extends UnusedArgumentsTestBase { |
| private static final Set<String> methodsThatWontBeOptimized = ImmutableSet.of("main", "iinc"); |
| |
| public UnusedArgumentsIntTest(boolean minification) { |
| super(minification); |
| } |
| |
| @Parameters(name = "minification:{0}") |
| public static Collection<Object[]> data() { |
| return UnusedArgumentsTestBase.data(); |
| } |
| |
| static class TestClass { |
| |
| @NeverInline |
| public static int a(int a) { |
| return a; |
| } |
| |
| @NeverInline |
| public static int a(int a, int b) { |
| return a; |
| } |
| |
| @NeverInline |
| public static int iinc(int a, int b) { |
| b++; |
| return a; |
| } |
| |
| @NeverInline |
| public static int a(int a, int b, int c) { |
| return a; |
| } |
| |
| public static void main(String[] args) { |
| System.out.print(a(1)); |
| System.out.print(a(2, 3)); |
| System.out.print(a(4, 5, 6)); |
| System.out.print(iinc(8, 3)); |
| } |
| } |
| |
| @Override |
| public Class<?> getTestClass() { |
| return TestClass.class; |
| } |
| |
| @Override |
| public String getExpectedResult() { |
| return "1248"; |
| } |
| |
| @Override |
| public void inspectTestClass(ClassSubject clazz) { |
| assertEquals(5, clazz.allMethods().size()); |
| clazz.forAllMethods( |
| method -> { |
| Assert.assertTrue( |
| methodsThatWontBeOptimized.contains(method.getOriginalName()) |
| || (method.getFinalSignature().parameters.length == 1 |
| && method.getFinalSignature().parameters[0].equals("int"))); |
| }); |
| } |
| } |