| // Copyright 2019 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.devtools.build.android.desugar.nest; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.devtools.build.android.desugar.langmodel.ClassAttributeRecord; |
| import com.google.devtools.build.android.desugar.langmodel.ClassAttributeRecord.ClassAttributeRecordBuilder; |
| import com.google.devtools.build.android.desugar.langmodel.ClassAttributes; |
| import com.google.devtools.build.android.desugar.langmodel.ClassMemberRecord; |
| import com.google.devtools.build.android.desugar.langmodel.ClassMemberRecord.ClassMemberRecordBuilder; |
| import com.google.devtools.build.android.desugar.langmodel.ClassName; |
| import com.google.devtools.build.android.desugar.langmodel.MethodKey; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| import org.objectweb.asm.Opcodes; |
| |
| /** The tests for {@link NestDigest}. */ |
| @RunWith(JUnit4.class) |
| public final class NestDigestTest { |
| |
| private final ClassMemberRecordBuilder classMemberRecord = ClassMemberRecord.builder(); |
| private final ClassAttributeRecordBuilder classAttributeRecord = ClassAttributeRecord.builder(); |
| |
| @Test |
| public void prepareCompanionClassWriters_noCompanionClassesGenerated() { |
| classMemberRecord.logMemberDecl( |
| MethodKey.create(ClassName.create("package/path/OwnerClass"), "method", "(II)I"), |
| /* ownerAccess= */ Opcodes.ACC_PUBLIC | Opcodes.ACC_INTERFACE, |
| /* memberDeclAccess= */ Opcodes.ACC_PRIVATE); |
| |
| NestDigest nestDigest = |
| NestDigest.builder() |
| .setClassMemberRecord(classMemberRecord.build()) |
| .setClassAttributeRecord(classAttributeRecord.build()) |
| .build(); |
| |
| assertThat(nestDigest.getAllCompanionClassNames()).isEmpty(); |
| } |
| |
| @Test |
| public void prepareCompanionClassWriters_companionClassesGenerated() { |
| MethodKey constructor = |
| MethodKey.create(ClassName.create("package/path/OwnerClass"), "<init>", "()V"); |
| classMemberRecord.logMemberDecl( |
| constructor, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, Opcodes.ACC_PRIVATE); |
| classMemberRecord.logMemberUse(constructor, Opcodes.INVOKESPECIAL); |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClass$NestedClass")) |
| .setNestHost(ClassName.create("package/path/OwnerClass")) |
| .build()); |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClass")) |
| .addNestMember(ClassName.create("package/path/OwnerClass$NestedClass")) |
| .build()); |
| |
| NestDigest nestDigest = |
| NestDigest.builder() |
| .setClassMemberRecord(classMemberRecord.build()) |
| .setClassAttributeRecord(classAttributeRecord.build()) |
| .build(); |
| |
| assertThat(nestDigest.getAllCompanionClassNames()) |
| .containsExactly("package/path/OwnerClass$NestCC"); |
| } |
| |
| @Test |
| public void preparCompanionClassWriters_multipleCompanionClassesGenerated() { |
| classMemberRecord.logMemberDecl( |
| MethodKey.create(ClassName.create("package/path/OwnerClassA"), "<init>", "()V"), |
| Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, |
| Opcodes.ACC_PRIVATE); |
| classMemberRecord.logMemberDecl( |
| MethodKey.create(ClassName.create("package/path/OwnerClassA"), "method", "(II)I"), |
| Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, |
| Opcodes.ACC_PRIVATE); |
| classMemberRecord.logMemberDecl( |
| MethodKey.create(ClassName.create("package/path/OwnerClassB"), "<init>", "()V"), |
| Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, |
| Opcodes.ACC_PRIVATE); |
| |
| classMemberRecord.logMemberUse( |
| MethodKey.create(ClassName.create("package/path/OwnerClassA"), "<init>", "()V"), |
| Opcodes.INVOKESPECIAL); |
| classMemberRecord.logMemberUse( |
| MethodKey.create(ClassName.create("package/path/OwnerClassA"), "method", "(II)I"), |
| Opcodes.INVOKESPECIAL); |
| classMemberRecord.logMemberUse( |
| MethodKey.create(ClassName.create("package/path/OwnerClassB"), "<init>", "()V"), |
| Opcodes.INVOKESPECIAL); |
| |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClassA$NestedClass")) |
| .setNestHost(ClassName.create("package/path/OwnerClassA")) |
| .build()); |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClassB$NestedClass")) |
| .setNestHost(ClassName.create("package/path/OwnerClassB")) |
| .build()); |
| |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClassA")) |
| .addNestMember(ClassName.create("package/path/OwnerClassA$NestedClass")) |
| .build()); |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create("package/path/OwnerClassB")) |
| .addNestMember(ClassName.create("package/path/OwnerClassB$NestedClass")) |
| .build()); |
| |
| NestDigest nestDigest = |
| NestDigest.builder() |
| .setClassMemberRecord(classMemberRecord.build()) |
| .setClassAttributeRecord(classAttributeRecord.build()) |
| .build(); |
| |
| assertThat(nestDigest.getAllCompanionClassNames()) |
| .containsExactly("package/path/OwnerClassA$NestCC", "package/path/OwnerClassB$NestCC"); |
| } |
| |
| @Test |
| public void prepareCompanionClassWriters_classNameWithDollarSign() { |
| MethodKey constructor = |
| MethodKey.create(ClassName.create("package/path/$Owner$Class$"), "<init>", "()V"); |
| |
| classMemberRecord.logMemberDecl( |
| constructor, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, Opcodes.ACC_PRIVATE); |
| classMemberRecord.logMemberUse(constructor, Opcodes.INVOKESPECIAL); |
| |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create(constructor.ownerName() + "$NestClass")) |
| .setNestHost(ClassName.create(constructor.ownerName())) |
| .build()); |
| classAttributeRecord.addClassAttributes( |
| ClassAttributes.builder() |
| .setClassBinaryName(ClassName.create(constructor.ownerName())) |
| .addNestMember(ClassName.create(constructor.ownerName() + "$NestClass")) |
| .build()); |
| |
| NestDigest nestDigest = |
| NestDigest.builder() |
| .setClassMemberRecord(classMemberRecord.build()) |
| .setClassAttributeRecord(classAttributeRecord.build()) |
| .build(); |
| |
| assertThat(nestDigest.getAllCompanionClassNames()) |
| .containsExactly("package/path/$Owner$Class$$NestCC"); |
| } |
| } |