1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.test.runner.junit4;
17
18import org.junit.runners.BlockJUnit4ClassRunner;
19import org.junit.runners.model.FrameworkMethod;
20import org.junit.runners.model.InitializationError;
21import org.junit.runners.model.Statement;
22
23/**
24 * A specialized {@link BlockJUnit4ClassRunner} that will generate test results, by skipping test
25 * execution and loading.
26 */
27class NonExecutingJUnit4ClassRunner extends BlockJUnit4ClassRunner {
28
29    private static final Statement NON_EXECUTING_STATEMENT = new Statement() {
30        @Override
31        public void evaluate() throws Throwable {
32            // do nothing
33        }
34    };
35
36    public NonExecutingJUnit4ClassRunner(Class<?> klass) throws InitializationError {
37        super(klass);
38    }
39
40    /**
41     * Override parent to generate an non executing statement
42     */
43    @Override
44    protected Statement methodBlock(FrameworkMethod method) {
45        return NON_EXECUTING_STATEMENT;
46    }
47}
48