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      1 /*
      2  * Copyright (C) 2009 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  */
     16 package android.os.cts;
     17 
     18 import java.io.File;
     19 
     20 import junit.framework.TestCase;
     21 import android.os.Environment;
     22 import android.os.StatFs;
     23 
     24 public class StatFsTest extends TestCase {
     25     public void testStatFs() {
     26         File path = Environment.getDataDirectory();
     27         StatFs stat = new StatFs(path.getPath());
     28 
     29         assertTrue(stat.getBlockSize() > 0);
     30         assertTrue(stat.getBlockCount() > 0);
     31         assertTrue(stat.getFreeBlocks() >= stat.getAvailableBlocks());
     32         assertTrue(stat.getAvailableBlocks() > 0);
     33 
     34         assertTrue(stat.getBlockSizeLong() > 0);
     35         assertTrue(stat.getBlockCountLong() > 0);
     36         assertTrue(stat.getFreeBlocksLong() >= stat.getAvailableBlocksLong());
     37         assertTrue(stat.getAvailableBlocksLong() > 0);
     38 
     39         assertTrue(stat.getFreeBytes() > 0);
     40         assertTrue(stat.getAvailableBytes() > 0);
     41         assertTrue(stat.getTotalBytes() > 0);
     42 
     43         path = Environment.getRootDirectory();
     44         stat.restat(path.getPath());
     45 
     46         assertTrue(stat.getBlockSize() > 0);
     47         assertTrue(stat.getBlockCount() > 0);
     48         assertTrue(stat.getFreeBlocks() >= stat.getAvailableBlocks());
     49         assertTrue(stat.getAvailableBlocks() >= 0);
     50 
     51         assertTrue(stat.getBlockSizeLong() > 0);
     52         assertTrue(stat.getBlockCountLong() > 0);
     53         assertTrue(stat.getFreeBlocksLong() >= stat.getAvailableBlocksLong());
     54         assertTrue(stat.getAvailableBlocksLong() >= 0);
     55 
     56         assertTrue(stat.getFreeBytes() >= 0);
     57         assertTrue(stat.getAvailableBytes() >= 0);
     58         assertTrue(stat.getTotalBytes() > 0);
     59     }
     60 }
     61