src/tools/android/java/com/google/devtools/build/android/desugar/testing/junit/ParameterValueSource.java

/*
 * 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.testing.junit;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Repeatable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * A bundle of textually-represented values, subject to parsing before populating parameters.
 *
 * <p>Code Example:
 *
 * <pre><code>
 *   &#064;Test
 *   &#064;ParameterValueSource({"1", "2", "3"})
 *   &#064;ParameterValueSource({"200", "300", "500"})
 *   public void twoSum(
 *       &#064;FromParameterValueSource int operandLeft,
 *       &#064;FromParameterValueSource int operandRight,
 *       &#064;FromParameterValueSource int expectedResult) {
 *     assertThat(operandLeft + operandRight).isEqualTo(expectedResult);
 *   }
 * </code></pre>
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
@Repeatable(ParameterValueSourceSet.class)
public @interface ParameterValueSource {
  String[] value();
}