Import atomix/{storage,utils}

[controller.git] / third-party / atomix / storage / src / test / java / io / atomix / storage / buffer / MappedBufferTest.java

diff --git a/third-party/atomix/storage/src/test/java/io/atomix/storage/buffer/MappedBufferTest.java b/third-party/atomix/storage/src/test/java/io/atomix/storage/buffer/MappedBufferTest.java
new file mode 100644 (file)
index 0000000..2d9a2b2
--- /dev/null
+++ b/third-party/atomix/storage/src/test/java/io/atomix/storage/buffer/MappedBufferTest.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2015-present Open Networking Foundation
+ *
+ * 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 io.atomix.storage.buffer;
+
+import org.junit.AfterClass;
+import org.junit.Test;
+
+import java.io.File;
+import java.nio.file.Files;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Mapped buffer test.
+ *
+ * @author <a href="http://github.com/kuujo">Jordan Halterman</a>
+ */
+public class MappedBufferTest extends BufferTest {
+  @AfterClass
+  public static void afterTest() {
+    FileTesting.cleanFiles();
+  }
+
+  @Override
+  protected Buffer createBuffer(int capacity) {
+    return MappedBuffer.allocate(FileTesting.createFile(), capacity);
+  }
+
+  @Override
+  protected Buffer createBuffer(int capacity, int maxCapacity) {
+    return MappedBuffer.allocate(FileTesting.createFile(), capacity, maxCapacity);
+  }
+
+  /**
+   * Rests reopening a file that has been closed.
+   */
+  @Test
+  public void testPersist() {
+    File file = FileTesting.createFile();
+    try (MappedBuffer buffer = MappedBuffer.allocate(file, 16)) {
+      buffer.writeLong(10).writeLong(11).flip();
+      assertEquals(10, buffer.readLong());
+      assertEquals(11, buffer.readLong());
+    }
+    try (MappedBuffer buffer = MappedBuffer.allocate(file, 16)) {
+      assertEquals(10, buffer.readLong());
+      assertEquals(11, buffer.readLong());
+    }
+  }
+
+  /**
+   * Tests deleting a file.
+   */
+  @Test
+  public void testDelete() {
+    File file = FileTesting.createFile();
+    MappedBuffer buffer = MappedBuffer.allocate(file, 16);
+    buffer.writeLong(10).writeLong(11).flip();
+    assertEquals(10, buffer.readLong());
+    assertEquals(11, buffer.readLong());
+    assertTrue(Files.exists(file.toPath()));
+    buffer.delete();
+    assertFalse(Files.exists(file.toPath()));
+  }
+
+}