import quincy 17.2.0

[ceph.git] / ceph / src / arrow / java / memory / src / test / java / io / netty / buffer / TestExpandableByteBuf.java

diff --git a/ceph/src/arrow/java/memory/src/test/java/io/netty/buffer/TestExpandableByteBuf.java b/ceph/src/arrow/java/memory/src/test/java/io/netty/buffer/TestExpandableByteBuf.java
new file mode 100644 (file)
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--- /dev/null
+++ b/ceph/src/arrow/java/memory/src/test/java/io/netty/buffer/TestExpandableByteBuf.java
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.netty.buffer;
+
+import org.apache.arrow.memory.ArrowBuf;
+import org.apache.arrow.memory.BufferAllocator;
+import org.apache.arrow.memory.RootAllocator;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestExpandableByteBuf {
+
+  @Test
+  public void testCapacity() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      ByteBuf newByteBuf = expandableByteBuf.capacity(31);
+      int capacity = newByteBuf.capacity();
+      Assert.assertEquals(32, capacity);
+    }
+  }
+
+  @Test
+  public void testCapacity1() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      ByteBuf newByteBuf = expandableByteBuf.capacity(32);
+      int capacity = newByteBuf.capacity();
+      Assert.assertEquals(32, capacity);
+    }
+  }
+
+  @Test
+  public void testSetAndGetIntValues() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      int [] intVals = new int[] {Integer.MIN_VALUE, Short.MIN_VALUE - 1, Short.MIN_VALUE, 0 ,
+        Short.MAX_VALUE , Short.MAX_VALUE + 1, Integer.MAX_VALUE};
+      for (int intValue :intVals) {
+        expandableByteBuf.setInt(0, intValue);
+        Assert.assertEquals(expandableByteBuf.getInt(0), intValue);
+        Assert.assertEquals(expandableByteBuf.getIntLE(0), Integer.reverseBytes(intValue));
+      }
+    }
+  }
+
+  @Test
+  public void testSetAndGetLongValues() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      long [] longVals = new long[] {Long.MIN_VALUE, 0 , Long.MAX_VALUE};
+      for (long longValue :longVals) {
+        expandableByteBuf.setLong(0, longValue);
+        Assert.assertEquals(expandableByteBuf.getLong(0), longValue);
+        Assert.assertEquals(expandableByteBuf.getLongLE(0), Long.reverseBytes(longValue));
+      }
+    }
+  }
+
+  @Test
+  public void testSetAndGetShortValues() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      short [] shortVals = new short[] {Short.MIN_VALUE, 0 , Short.MAX_VALUE};
+      for (short shortValue :shortVals) {
+        expandableByteBuf.setShort(0, shortValue);
+        Assert.assertEquals(expandableByteBuf.getShort(0), shortValue);
+        Assert.assertEquals(expandableByteBuf.getShortLE(0), Short.reverseBytes(shortValue));
+      }
+    }
+  }
+
+  @Test
+  public void testSetAndGetByteValues() {
+    try (BufferAllocator allocator = new RootAllocator(128);
+         ArrowBuf buf = allocator.buffer(20);
+    ) {
+      NettyArrowBuf srcByteBuf = NettyArrowBuf.unwrapBuffer(buf);
+      ExpandableByteBuf expandableByteBuf = new ExpandableByteBuf(srcByteBuf, allocator);
+      byte [] byteVals = new byte[] {Byte.MIN_VALUE, 0 , Byte.MAX_VALUE};
+      for (short byteValue :byteVals) {
+        expandableByteBuf.setByte(0, byteValue);
+        Assert.assertEquals(expandableByteBuf.getByte(0), byteValue);
+      }
+    }
+  }
+}