1 files changed, 78 insertions, 0 deletions
diff --git a/core/src/test/java/com/android/volley/toolbox/ByteArrayPoolTest.java b/core/src/test/java/com/android/volley/toolbox/ByteArrayPoolTest.java
new file mode 100644
index 0000000..62da207
--- /dev/null
+++ b/core/src/test/java/com/android/volley/toolbox/ByteArrayPoolTest.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2012 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 static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+public class ByteArrayPoolTest {
+    @Test
+    public void reusesBuffer() {
+        ByteArrayPool pool = new ByteArrayPool(32);
+
+        byte[] buf1 = pool.getBuf(16);
+        byte[] buf2 = pool.getBuf(16);
+
+        pool.returnBuf(buf1);
+        pool.returnBuf(buf2);
+
+        byte[] buf3 = pool.getBuf(16);
+        byte[] buf4 = pool.getBuf(16);
+        assertTrue(buf3 == buf1 || buf3 == buf2);
+        assertTrue(buf4 == buf1 || buf4 == buf2);
+        assertTrue(buf3 != buf4);
+    }
+
+    @Test
+    public void obeysSizeLimit() {
+        ByteArrayPool pool = new ByteArrayPool(32);
+
+        byte[] buf1 = pool.getBuf(16);
+        byte[] buf2 = pool.getBuf(16);
+        byte[] buf3 = pool.getBuf(16);
+
+        pool.returnBuf(buf1);
+        pool.returnBuf(buf2);
+        pool.returnBuf(buf3);
+
+        byte[] buf4 = pool.getBuf(16);
+        byte[] buf5 = pool.getBuf(16);
+        byte[] buf6 = pool.getBuf(16);
+
+        assertTrue(buf4 == buf2 || buf4 == buf3);
+        assertTrue(buf5 == buf2 || buf5 == buf3);
+        assertTrue(buf4 != buf5);
+        assertTrue(buf6 != buf1 && buf6 != buf2 && buf6 != buf3);
+    }
+
+    @Test
+    public void returnsBufferWithRightSize() {
+        ByteArrayPool pool = new ByteArrayPool(32);
+
+        byte[] buf1 = pool.getBuf(16);
+        pool.returnBuf(buf1);
+
+        byte[] buf2 = pool.getBuf(17);
+        assertNotSame(buf2, buf1);
+
+        byte[] buf3 = pool.getBuf(15);
+        assertSame(buf3, buf1);
+    }
+}