[datasketches-memory] 02/02: Adding more tests

[wl...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

wlauer pushed a commit to branch multiReleaseRework
in repository https://gitbox.apache.org/repos/asf/datasketches-memory.git

commit f0868ceb410edce734e0598a2e61139a1a76b886
Author: Will Lauer <wl...@yahooinc.com>
AuthorDate: Fri Oct 14 09:25:10 2022 -0500

    Adding more tests
---
 .../datasketches/memory/WritableMemoryIT.java      | 65 ++++++++++++++++++++--
 1 file changed, 59 insertions(+), 6 deletions(-)

diff --git a/src/test/java/org/apache/datasketches/memory/WritableMemoryIT.java b/src/test/java/org/apache/datasketches/memory/WritableMemoryIT.java
index 92e0c89..38b6147 100644
--- a/src/test/java/org/apache/datasketches/memory/WritableMemoryIT.java
+++ b/src/test/java/org/apache/datasketches/memory/WritableMemoryIT.java
@@ -1,14 +1,31 @@
-/**
- * Copyright 2022 Yahoo Inc. All rights reserved.
+/*
+ * 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 org.apache.datasketches.memory;
 
 import org.testng.annotations.Test;
 
 import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
+import java.nio.ByteOrder;
+import java.nio.IntBuffer;
 
 import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotEquals;
 import static org.testng.Assert.assertNotNull;
 
 /**
@@ -29,12 +46,48 @@ public class WritableMemoryIT {
         WritableMemory mem = WritableMemory.writableWrap(bb);
         
         for (long ii = 0; ii < 26; ii++) {
-            mem.putChar(ii, (char) ('a' + ii));
+            mem.putByte(ii, (byte) ('a' + ii));
+        }
+        
+        for (int ii = 0; ii < 26; ++ii) {
+            assertEquals(bb.get(ii), 'a'+ii);
+        }
+    }
+    
+    @Test
+    public void testWritableWrapDirect() {
+        ByteBuffer bb = ByteBuffer.allocateDirect(26);
+        
+        WritableMemory mem = WritableMemory.writableWrap(bb);
+        
+        for (long ii = 0; ii < 26; ii++) {
+            mem.putByte(ii, (byte) ('a' + ii));
         }
         
-        CharBuffer cb = bb.asCharBuffer();
         for (int ii = 0; ii < 26; ++ii) {
-            assertEquals(cb.get(ii), 'a'+ii);
+            assertEquals(bb.get(ii), 'a'+ii);
         }
     }
+    
+    @Test
+    public void testWritableWrapEndian() {
+        ByteBuffer bb = ByteBuffer.allocateDirect(4*Integer.BYTES);
+        ByteBuffer bl = ByteBuffer.allocate(4*Integer.BYTES);
+        
+        WritableMemory bigEndianMem = WritableMemory.writableWrap(bb, ByteOrder.BIG_ENDIAN);
+        WritableMemory littleEndianMem = WritableMemory.writableWrap(bl, ByteOrder.LITTLE_ENDIAN);
+        
+        for (int ii = 0; ii < 4; ++ii) {
+            bigEndianMem.putInt(ii*Integer.BYTES, 0xff << (8 * ii));
+            littleEndianMem.putInt(ii*Integer.BYTES, 0xff << (8 * ii));
+        }
+        
+        IntBuffer ib = bb.asIntBuffer();
+        IntBuffer il = bl.asIntBuffer();
+        
+        for (int ii = 0; ii < 4; ++ii) {
+            assertNotEquals(ib.get(ii), il.get(ii));
+        }
+    }
+
 }


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