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authorXerxes Rånby <[email protected]>2015-07-24 19:12:02 +0200
committerXerxes Rånby <[email protected]>2015-07-24 19:12:02 +0200
commitce9187bbbf62389fc7897a87f36952cdd23674f6 (patch)
tree415f6feabf0c4519f1baa330e91852ca684485b6 /src/junit/com/jogamp/common/nio/BuffersTest.java
parentabb11fd8123637b2dcad93a56cc02cd8fc928a5c (diff)
BUG1180 BuffersTest: Verify positionLimitCapacityAfterArrayAllocation
Signed-off-by: Xerxes Rånby <[email protected]>
Diffstat (limited to 'src/junit/com/jogamp/common/nio/BuffersTest.java')
-rw-r--r--src/junit/com/jogamp/common/nio/BuffersTest.java57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/junit/com/jogamp/common/nio/BuffersTest.java b/src/junit/com/jogamp/common/nio/BuffersTest.java
index c6a89f1..7174015 100644
--- a/src/junit/com/jogamp/common/nio/BuffersTest.java
+++ b/src/junit/com/jogamp/common/nio/BuffersTest.java
@@ -31,7 +31,14 @@
*/
package com.jogamp.common.nio;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
+import java.nio.FloatBuffer;
import java.nio.IntBuffer;
+import java.nio.LongBuffer;
+import java.nio.ShortBuffer;
+
import org.junit.Test;
import com.jogamp.junit.util.SingletonJunitCase;
@@ -48,6 +55,56 @@ import org.junit.runners.MethodSorters;
public class BuffersTest extends SingletonJunitCase {
@Test
+ public void positionLimitCapacityAfterArrayAllocation() {
+ byte[] byteData = { 1, 2, 3, 4, 5, 6, 7, 8 };
+ final ByteBuffer byteBuffer = Buffers.newDirectByteBuffer(byteData);
+ assertEquals(0, byteBuffer.position());
+ assertEquals(8, byteBuffer.limit());
+ assertEquals(8, byteBuffer.capacity());
+ assertEquals(5, byteBuffer.get(4));
+
+ double[] doubleData = { 1, 2 };
+ final DoubleBuffer doubleBuffer = Buffers.newDirectDoubleBuffer(doubleData);
+ assertEquals(0, doubleBuffer.position());
+ assertEquals(2, doubleBuffer.limit());
+ assertEquals(2, doubleBuffer.capacity());
+
+ float[] floatData = { 1.0f, 2.0f, 3.0f };
+ final FloatBuffer floatBuffer = Buffers.newDirectFloatBuffer(floatData);
+ assertEquals(0, floatBuffer.position());
+ assertEquals(3, floatBuffer.limit());
+ assertEquals(3, floatBuffer.capacity());
+
+ int[] intData = { 1, 2, 3, 4 };
+ final IntBuffer intBuffer = Buffers.newDirectIntBuffer(intData);
+ assertEquals(0, intBuffer.position());
+ assertEquals(4, intBuffer.limit());
+ assertEquals(4, intBuffer.capacity());
+ assertEquals(3, intBuffer.get(2));
+
+ long[] longData = { 1, 2, 3, 4, 5 };
+ final LongBuffer longBuffer = Buffers.newDirectLongBuffer(longData);
+ assertEquals(0, longBuffer.position());
+ assertEquals(5, longBuffer.limit());
+ assertEquals(5, longBuffer.capacity());
+ assertEquals(4, longBuffer.get(3));
+
+ short[] shortData = { 1, 2, 3, 4, 5, 6 };
+ final ShortBuffer shortBuffer = Buffers.newDirectShortBuffer(shortData);
+ assertEquals(0, shortBuffer.position());
+ assertEquals(6, shortBuffer.limit());
+ assertEquals(6, shortBuffer.capacity());
+ assertEquals(4, shortBuffer.get(3));
+
+ char[] charData = { 1, 2, 3, 4, 5, 6, 7 };
+ final CharBuffer charBuffer = Buffers.newDirectCharBuffer(charData);
+ assertEquals(0, charBuffer.position());
+ assertEquals(7, charBuffer.limit());
+ assertEquals(7, charBuffer.capacity());
+ assertEquals(6, charBuffer.get(5));
+ }
+
+ @Test
public void slice() {
final IntBuffer buffer = Buffers.newDirectIntBuffer(6);