| /* |
| * Copyright 2020 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.typeannotation; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.function.Function; |
| |
| /** The test source class for testing annotation desugaring. */ |
| public class AnnotationUser { |
| |
| @SuppressWarnings("unused") // Test source |
| public void localVarWithTypeUseAnnotation(List<String> inTextList) { |
| List<@EnhancedType String> localTextList = inTextList; |
| } |
| |
| public void instructionTypeUseAnnotation() { |
| new ArrayList<@EnhancedType String>(); |
| } |
| |
| public void tryCatchTypeAnnotation(RuntimeException inException) { |
| try { |
| throw inException; |
| } catch (@EnhancedType IllegalArgumentException e) { |
| throw new UnsupportedOperationException(e); |
| } |
| } |
| |
| // @EnhancedVar is expected to be absent in Javac-compiled bytecode, even through @EnhancedVar is |
| // declared with a runtime retention policy. This test case ensures any retained annotation use |
| // within a method body is a type annotation. |
| @SuppressWarnings("unused") // Test source |
| public Function<Integer, Integer> localNonTypeAnnotations(String inputText) { |
| @EnhancedVar String localText = inputText; |
| try { |
| return (@EnhancedVar Integer x) -> 2 * x; |
| } catch (@EnhancedVar IllegalStateException e) { |
| throw new UnsupportedOperationException(e); |
| } |
| } |
| |
| @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface EnhancedType {} |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface EnhancedVar {} |
| } |