Add a test for DiskBasedCache.
Change-Id: I8106e5763df7e600c82c446b6ff828907fb187c1
diff --git a/src/com/android/volley/toolbox/DiskBasedCache.java b/src/com/android/volley/toolbox/DiskBasedCache.java
index 9559a02..605ab3b 100644
--- a/src/com/android/volley/toolbox/DiskBasedCache.java
+++ b/src/com/android/volley/toolbox/DiskBasedCache.java
@@ -329,7 +329,8 @@
/**
* Handles holding onto the cache headers for an entry.
*/
- private static class CacheHeader {
+ // Visible for testing.
+ static class CacheHeader {
/** The size of the data identified by this CacheHeader. (This is not
* serialized to disk. */
public long size;
diff --git a/tests/src/com/android/volley/toolbox/DiskBasedCacheTest.java b/tests/src/com/android/volley/toolbox/DiskBasedCacheTest.java
new file mode 100644
index 0000000..b15119c
--- /dev/null
+++ b/tests/src/com/android/volley/toolbox/DiskBasedCacheTest.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.android.volley.toolbox;
+
+import android.test.AndroidTestCase;
+
+import com.android.volley.Cache;
+import com.android.volley.toolbox.DiskBasedCache.CacheHeader;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.util.HashMap;
+
+public class DiskBasedCacheTest extends AndroidTestCase {
+
+ // Simple end-to-end serialize/deserialize test.
+ public void testCacheHeaderSerialization() throws Exception {
+ Cache.Entry e = new Cache.Entry();
+ e.data = new byte[8];
+ e.serverDate = 1234567L;
+ e.ttl = 9876543L;
+ e.softTtl = 8765432L;
+ e.etag = "etag";
+ e.responseHeaders = new HashMap<String, String>();
+ e.responseHeaders.put("fruit", "banana");
+
+ CacheHeader first = new CacheHeader("my-magical-key", e);
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ first.writeHeader(baos);
+ ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+ CacheHeader second = CacheHeader.readHeader(bais);
+
+ assertEquals(first.key, second.key);
+ assertEquals(first.serverDate, second.serverDate);
+ assertEquals(first.ttl, second.ttl);
+ assertEquals(first.softTtl, second.softTtl);
+ assertEquals(first.etag, second.etag);
+ assertEquals(first.responseHeaders, second.responseHeaders);
+ }
+
+}
