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ARROW-9704: [Java] TestEndianness.testLittleEndian supports little- and big-endian platforms #7942

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ARROW-9704: [Java] TestEndianness.testLittleEndian supports little- and big-endian platforms #7942

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19 changes: 14 additions & 5 deletions java/memory/memory-netty/src/test/java/org/apache/arrow/memory/TestEndianness.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@

import static org.junit.Assert.assertEquals;

import java.nio.ByteOrder;

import org.junit.Test;

import io.netty.buffer.ByteBuf;
Expand All @@ -27,14 +29,21 @@
public class TestEndianness {

@Test
public void testLittleEndian() {
public void testNativeEndian() {
final BufferAllocator a = new RootAllocator(10000);
final ByteBuf b = NettyArrowBuf.unwrapBuffer(a.buffer(4));
b.setInt(0, 35);
assertEquals(b.getByte(0), 35);
assertEquals(b.getByte(1), 0);
assertEquals(b.getByte(2), 0);
assertEquals(b.getByte(3), 0);
if (ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN) {
assertEquals(b.getByte(0), 35);
assertEquals(b.getByte(1), 0);
assertEquals(b.getByte(2), 0);
assertEquals(b.getByte(3), 0);
} else {
assertEquals(b.getByte(0), 0);
assertEquals(b.getByte(1), 0);
assertEquals(b.getByte(2), 0);
assertEquals(b.getByte(3), 35);
}
b.release();
a.close();
}
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