src/test/java/com/google/devtools/common/options/processor/optiontestsources/DoubleExpansionOption.java

// Copyright 2017 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.common.options.processor.optiontestsources;

import com.google.common.collect.ImmutableList;
import com.google.devtools.common.options.ExpansionContext;
import com.google.devtools.common.options.ExpansionFunction;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionDocumentationCategory;
import com.google.devtools.common.options.OptionEffectTag;
import com.google.devtools.common.options.OptionsBase;

/** This example options class should fail to compile. */
public class DoubleExpansionOption extends OptionsBase {
  @Option(
    name = "bad_option",
    defaultValue = "null",
    documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
    effectTags = OptionEffectTag.NO_OP,
    expansion = "--foo=bar",
    expansionFunction = FooBarExpansion.class
  )
  public Void badOption;

  /** Dummy expansion class for the illegal option. */
  public static class FooBarExpansion implements ExpansionFunction {
    @Override
    public ImmutableList<String> getExpansion(ExpansionContext context) {
      return ImmutableList.of("--foo", "--bar");
    }
  }
}