Update from Google.
--
MOE_MIGRATED_REVID=85702957
diff --git a/src/test/java/com/google/devtools/build/lib/unix/FilesystemUtilsTest.java b/src/test/java/com/google/devtools/build/lib/unix/FilesystemUtilsTest.java
new file mode 100644
index 0000000..48a67c1
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/unix/FilesystemUtilsTest.java
@@ -0,0 +1,76 @@
+// Copyright 2014 Google Inc. 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.lib.unix;
+
+import static org.junit.Assert.assertEquals;
+
+import com.google.common.hash.HashCode;
+import com.google.devtools.build.lib.testutil.TestUtils;
+import com.google.devtools.build.lib.vfs.FileSystem;
+import com.google.devtools.build.lib.vfs.FileSystemUtils;
+import com.google.devtools.build.lib.vfs.Path;
+import com.google.devtools.build.lib.vfs.UnixFileSystem;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.io.File;
+import java.util.HashMap;
+
+/**
+ * This class tests the FilesystemUtils class.
+ */
+@RunWith(JUnit4.class)
+public class FilesystemUtilsTest {
+ private FileSystem testFS;
+ private Path workingDir;
+ private Path testFile;
+
+ @Before
+ public void setUp() throws Exception {
+ testFS = new UnixFileSystem();
+ workingDir = testFS.getPath(new File(TestUtils.tmpDir()).getCanonicalPath());
+ testFile = workingDir.getRelative("test");
+ FileSystemUtils.createEmptyFile(testFile);
+ }
+
+ /**
+ * This test validates that the md5sum() method returns hashes that match the official test
+ * vectors specified in RFC 1321, The MD5 Message-Digest Algorithm.
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testValidateMd5Sum() throws Exception {
+ HashMap<String, String> testVectors = new HashMap<String, String>();
+ testVectors.put("", "d41d8cd98f00b204e9800998ecf8427e");
+ testVectors.put("a", "0cc175b9c0f1b6a831c399e269772661");
+ testVectors.put("abc", "900150983cd24fb0d6963f7d28e17f72");
+ testVectors.put("message digest", "f96b697d7cb7938d525a2f31aaf161d0");
+ testVectors.put("abcdefghijklmnopqrstuvwxyz", "c3fcd3d76192e4007dfb496cca67e13b");
+ testVectors.put("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+ "d174ab98d277d9f5a5611c2c9f419d9f");
+ testVectors.put(
+ "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
+ "57edf4a22be3c955ac49da2e2107b67a");
+
+ for (String testInput : testVectors.keySet()) {
+ FileSystemUtils.writeContentAsLatin1(testFile, testInput);
+ HashCode result = FilesystemUtils.md5sum(testFile.getPathString());
+ assertEquals(result.toString(), testVectors.get(testInput));
+ }
+ }
+}
