// Copyright 2016 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.testing.junit.runner.junit4;
import com.google.testing.junit.runner.util.Factory;
import com.google.testing.junit.runner.util.Ticker;
/**
* A factory that supplies a {@link Ticker} for testing purposes.
*/
public final class TestModuleTickerFactory implements Factory<Ticker> {
private final JUnit4RunnerTest.TestModule module;
public TestModuleTickerFactory(JUnit4RunnerTest.TestModule module) {
assert module != null;
this.module = module;
}
@Override
public Ticker get() {
Ticker ticker = module.ticker();
if (ticker == null) {
throw new NullPointerException();
}
return ticker;
}
public static Factory<Ticker> create(JUnit4RunnerTest.TestModule module) {
return new TestModuleTickerFactory(module);
}
}