<NME> FileUtilsTest.java
<BEF> ADDFILE
<MSG> Add FileUtils tests

<DFF> @@ -0,0 +1,52 @@
+package cgeo.geocaching.utils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import cgeo.geocaching.files.LocalStorage;
+
+import junit.framework.TestCase;
+
+import android.content.Context;
+import android.test.ServiceTestCase;
+
+import java.io.File;
+import java.io.IOException;
+
+public class FileUtilsTest extends TestCase {
+
+    final File cacheDir = LocalStorage.getStorageDir("automated-tests");
+    final File baseFile = new File(cacheDir, "prefix.ext");
+    final File alternative1 = new File(cacheDir, "prefix_1.ext");
+    final File alternative2 = new File(cacheDir, "prefix_2.ext");
+
+    private Context getTestContext() {
+        try {
+            return (Context) ServiceTestCase.class.getMethod("getTestContext").invoke(this);
+        } catch (final Exception e) {
+            Log.e("Unable to get test context", e);
+            return null;
+        }
+    }
+
+    public void testGetUniqueNamedFile() throws IOException {
+        LocalStorage.deleteDirectory(cacheDir);
+        cacheDir.mkdirs();
+        try {
+            assertThat(FileUtils.getUniqueNamedFile(baseFile)).isEqualTo(baseFile);
+            baseFile.createNewFile();
+            assertThat(FileUtils.getUniqueNamedFile(baseFile)).isEqualTo(alternative1);
+            alternative1.createNewFile();
+            assertThat(FileUtils.getUniqueNamedFile(baseFile)).isEqualTo(alternative2);
+            assertThat(FileUtils.getUniqueNamedFile(baseFile)).isEqualTo(alternative2);
+        } finally {
+            LocalStorage.deleteDirectory(cacheDir);
+        }
+    }
+
+    public void testFileUrl() {
+        assertThat(FileUtils.isFileUrl("file:///tmp/foo/bar")).isTrue();
+        assertThat(FileUtils.isFileUrl("http://www.google.com")).isFalse();
+        assertThat(FileUtils.fileToUrl(new File("/tmp/foo/bar"))).isEqualTo("file:///tmp/foo/bar");
+        assertThat(FileUtils.urlToFile("file:///tmp/foo/bar").getPath()).isEqualTo("/tmp/foo/bar");
+    }
+}

Add FileUtils tests