| // 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.classmerging; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Test; |
| |
| /** Regression test for b/120121170. */ |
| public class ForceInliningWithStaticInterfaceMethodTest extends TestBase { |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("A.<init>()", "I.m()", "B.<init>()"); |
| testForR8(Backend.DEX) |
| .addInnerClasses(ForceInliningWithStaticInterfaceMethodTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(AndroidApiLevel.M) |
| .compile() |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new B(); |
| } |
| } |
| |
| static class A { |
| |
| public A() { |
| System.out.println("A.<init>()"); |
| |
| // By the time the vertical class merger runs, I.m() still exists, so the inlining oracle |
| // concludes that A.<init>() is eligible for inlining. However, by the time A.<init>() will |
| // be force-inlined into B.<init>(), I.m() has been rewritten as a result of interface method |
| // desugaring, but the target method is not yet added to the application. Hence the inlining |
| // oracle concludes that A.<init>() is not eligible for inlining, which leads to an error |
| // "FORCE inlining on non-inlinable". |
| I.m(); |
| } |
| } |
| |
| static class B extends A { |
| |
| public B() { |
| System.out.println("B.<init>()"); |
| } |
| } |
| |
| interface I { |
| |
| static void m() { |
| System.out.println("I.m()"); |
| } |
| } |
| } |