| // 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.classinliner; |
| |
| import static com.android.tools.r8.ir.optimize.classinliner.EscapingBuilderTest.TestClass.escape; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoHorizontalClassMerging; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import org.junit.Test; |
| |
| /** Regression test for b/120182628. */ |
| public class EscapingBuilderTest extends TestBase { |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(Backend.DEX) |
| .addInnerClasses(EscapingBuilderTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .enableNoHorizontalClassMergingAnnotations() |
| .compile() |
| .inspect(this::inspect); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| assertThat(inspector.clazz(Builder0.class), not(isPresent())); |
| assertThat(inspector.clazz(Builder1.class), isPresent()); |
| assertThat(inspector.clazz(Builder2.class), isPresent()); |
| assertThat(inspector.clazz(Builder3.class), isPresent()); |
| assertThat(inspector.clazz(Builder4.class), isPresent()); |
| assertThat(inspector.clazz(Builder5.class), isPresent()); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| testBuilder0(); |
| testBuilder1(); |
| testBuilder2(); |
| testBuilder3(); |
| testBuilder4(); |
| testBuilder5(); |
| } |
| |
| private static void testBuilder0() { |
| new Builder0().build(); |
| } |
| |
| private static void testBuilder1() { |
| new Builder1().build(); |
| } |
| |
| private static void testBuilder2() { |
| new Builder2().init().build(); |
| } |
| |
| private static void testBuilder3() { |
| Builder3 builder3 = new Builder3(); |
| builder3.init(builder3).build(); |
| } |
| |
| private static void testBuilder4() { |
| Builder4 builder4 = new Builder4(); |
| builder4.init(builder4).build(); |
| } |
| |
| private static void testBuilder5() { |
| Builder5.init(new Builder5()).build(); |
| } |
| |
| @NeverInline |
| static void escape(Object o) { |
| if (System.currentTimeMillis() < 0) { |
| System.out.println(o); |
| } |
| } |
| } |
| |
| // Simple builder that should be class inlined. |
| static class Builder0 { |
| |
| public Object build() { |
| return new Object(); |
| } |
| } |
| |
| // Builder that escapes via field `f` that is assigned in the constructor. |
| static class Builder1 { |
| |
| public Builder1 f = this; |
| |
| public Object build() { |
| escape(f); |
| return new Object(); |
| } |
| } |
| |
| // Builder that escapes via field `f` that is assigned in a virtual method. |
| @NoHorizontalClassMerging |
| static class Builder2 { |
| |
| public Builder2 f; |
| |
| @NeverInline |
| public Builder2 init() { |
| f = this; |
| return this; |
| } |
| |
| public Object build() { |
| escape(f); |
| return new Object(); |
| } |
| } |
| |
| // Builder that escapes via field `f` that is assigned in a virtual method. |
| @NoHorizontalClassMerging |
| static class Builder3 { |
| |
| public Builder3 f; |
| |
| @NeverInline |
| public Builder3 init(Builder3 builder) { |
| f = builder; |
| return this; |
| } |
| |
| public Object build() { |
| escape(f); |
| return new Object(); |
| } |
| } |
| |
| // Builder that escapes via field `f` that is assigned in a virtual method. |
| @NoHorizontalClassMerging |
| static class Builder4 { |
| |
| public Builder4 f; |
| |
| @NeverInline |
| public Builder4 init(Builder4 builder) { |
| builder.f = builder; |
| return this; |
| } |
| |
| public Object build() { |
| escape(f); |
| return new Object(); |
| } |
| } |
| |
| // Builder that escapes via field `f` that is assigned in a static method. |
| @NoHorizontalClassMerging |
| static class Builder5 { |
| |
| public Builder5 f; |
| |
| @NeverInline |
| public static Builder5 init(Builder5 builder) { |
| builder.f = builder; |
| return builder; |
| } |
| |
| public Object build() { |
| escape(f); |
| return new Object(); |
| } |
| } |
| } |