import java.io.IOException;
import java.io.InputStream;
-import java.util.Arrays;
/**
* a utility class for handling little-endian numbers, which the 80x86 world is
*@author Marc Johnson (mjohnson at apache dot org)
*@author Andrew Oliver (acoliver at apache dot org)
*/
+public final class LittleEndian implements LittleEndianConsts {
-public class LittleEndian
- implements LittleEndianConsts {
-
- // all methods are static, so an accessible constructor makes no
- // sense
- /**
- * Constructor for the LittleEndian object
- */
- private LittleEndian() { }
+ private LittleEndian() {
+ // no instances of this class
+ }
/**
*@author Marc Johnson (mjohnson at apache dot org)
*/
- public static class BufferUnderrunException
- extends IOException {
-
- /**
- * simple constructor
- */
+ public static final class BufferUnderrunException extends IOException {
BufferUnderrunException() {
super("buffer underrun");
*@exception BufferUnderrunException if the stream cannot provide enough
* bytes
*/
+ public static short readShort(InputStream stream) throws IOException, BufferUnderrunException {
- public static short readShort(final InputStream stream)
- throws IOException, BufferUnderrunException {
- return getShort(readFromStream(stream, SHORT_SIZE));
- }
+ return (short) readUShort(stream);
+ }
+ public static int readUShort(InputStream stream) throws IOException, BufferUnderrunException {
+
+ int ch1 = stream.read();
+ int ch2 = stream.read();
+ if ((ch1 | ch2) < 0) {
+ throw new BufferUnderrunException();
+ }
+ return ((ch2 << 8) + (ch1 << 0));
+ }
+
/**
* get an int value from an InputStream
*@exception BufferUnderrunException if the stream cannot provide enough
* bytes
*/
-
public static int readInt(final InputStream stream)
throws IOException, BufferUnderrunException {
- return getInt(readFromStream(stream, INT_SIZE));
+ int ch1 = stream.read();
+ int ch2 = stream.read();
+ int ch3 = stream.read();
+ int ch4 = stream.read();
+ if ((ch1 | ch2 | ch3 | ch4) < 0) {
+ throw new BufferUnderrunException();
+ }
+ return ((ch4 << 24) + (ch3<<16) + (ch2 << 8) + (ch1 << 0));
}
public static long readLong(final InputStream stream)
throws IOException, BufferUnderrunException {
- return getLong(readFromStream(stream, LONG_SIZE));
+ int ch1 = stream.read();
+ int ch2 = stream.read();
+ int ch3 = stream.read();
+ int ch4 = stream.read();
+ int ch5 = stream.read();
+ int ch6 = stream.read();
+ int ch7 = stream.read();
+ int ch8 = stream.read();
+ if ((ch1 | ch2 | ch3 | ch4 | ch5 | ch6 | ch7 | ch8) < 0) {
+ throw new BufferUnderrunException();
+ }
+
+ return
+ ((long)ch8 << 56) +
+ ((long)ch7 << 48) +
+ ((long)ch6 << 40) +
+ ((long)ch5 << 32) +
+ ((long)ch4 << 24) + // cast to long to preserve bit 31 (sign bit for ints)
+ (ch3 << 16) +
+ (ch2 << 8) +
+ (ch1 << 0);
}
- /**
- * Read the appropriate number of bytes from the stream and return them to
- * the caller. <p>
- *
- * However, for the purposes of the POI project, this risk is deemed
- * negligible. It is, however, so noted.
- *
- *@param stream the InputStream we're reading from
- *@param size the number of bytes to read; in
- * 99.99% of cases, this will be SHORT_SIZE, INT_SIZE, or LONG_SIZE --
- * but it doesn't have to be.
- *@return the byte array containing the
- * required number of bytes. The array will contain all zero's on end
- * of stream
- *@exception IOException will be propagated back to the caller
- *@exception BufferUnderrunException if the stream cannot provide enough
- * bytes
- */
-
- public static byte[] readFromStream(final InputStream stream,
- final int size)
- throws IOException, BufferUnderrunException {
- byte[] buffer = new byte[size];
-
- int count = stream.read(buffer);
-
- if (count == -1) {
-
- // return a zero-filled buffer
- Arrays.fill(buffer, (byte) 0);
- } else if (count != size) {
- throw new BufferUnderrunException();
- }
- return buffer;
- }
-
-
/**
* Gets the number attribute of the LittleEndian class
*
-
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
-
package org.apache.poi.util;
*
* @author Marc Johnson
*/
-
-public class TestLittleEndian
- extends TestCase
-{
-
- /**
- * Constructor TestLittleEndian
- *
- * @param name
- */
- public TestLittleEndian(String name)
- {
- super(name);
- }
+public final class TestLittleEndian extends TestCase {
/**
* test the getShort() method
*/
-
- public void testGetShort()
- {
+ public void testGetShort() {
byte[] testdata = new byte[ LittleEndian.SHORT_SIZE + 1 ];
- testdata[ 0 ] = 0x01;
- testdata[ 1 ] = ( byte ) 0xFF;
- testdata[ 2 ] = 0x02;
- short expected[] = new short[ 2 ];
+ testdata[0] = 0x01;
+ testdata[1] = (byte) 0xFF;
+ testdata[2] = 0x02;
+ short expected[] = new short[2];
- expected[ 0 ] = ( short ) 0xFF01;
- expected[ 1 ] = 0x02FF;
- assertEquals(expected[ 0 ], LittleEndian.getShort(testdata));
- assertEquals(expected[ 1 ], LittleEndian.getShort(testdata, 1));
+ expected[0] = ( short ) 0xFF01;
+ expected[1] = 0x02FF;
+ assertEquals(expected[0], LittleEndian.getShort(testdata));
+ assertEquals(expected[1], LittleEndian.getShort(testdata, 1));
}
- public void testGetUShort()
- {
- byte[] testdata = new byte[ LittleEndian.SHORT_SIZE + 1 ];
-
- testdata[ 0 ] = 0x01;
- testdata[ 1 ] = ( byte ) 0xFF;
- testdata[ 2 ] = 0x02;
-
- byte[] testdata2 = new byte[ LittleEndian.SHORT_SIZE + 1 ];
-
- testdata2[ 0 ] = 0x0D;
- testdata2[ 1 ] = ( byte )0x93;
- testdata2[ 2 ] = ( byte )0xFF;
-
- int expected[] = new int[ 4 ];
-
- expected[ 0 ] = 0xFF01;
- expected[ 1 ] = 0x02FF;
- expected[ 2 ] = 0x930D;
- expected[ 3 ] = 0xFF93;
- assertEquals(expected[ 0 ], LittleEndian.getUShort(testdata));
- assertEquals(expected[ 1 ], LittleEndian.getUShort(testdata, 1));
- assertEquals(expected[ 2 ], LittleEndian.getUShort(testdata2));
- assertEquals(expected[ 3 ], LittleEndian.getUShort(testdata2, 1));
+ public void testGetUShort() {
+ byte[] testdata = {
+ (byte) 0x01,
+ (byte) 0xFF,
+ (byte) 0x02,
+ };
+ byte[] testdata2 = {
+ (byte) 0x0D,
+ (byte) 0x93,
+ (byte) 0xFF,
+ };
+
+ int expected0 = 0xFF01;
+ int expected1 = 0x02FF;
+ int expected2 = 0x930D;
+ int expected3 = 0xFF93;
+ assertEquals(expected0, LittleEndian.getUShort(testdata));
+ assertEquals(expected1, LittleEndian.getUShort(testdata, 1));
+ assertEquals(expected2, LittleEndian.getUShort(testdata2));
+ assertEquals(expected3, LittleEndian.getUShort(testdata2, 1));
byte[] testdata3 = new byte[ LittleEndian.SHORT_SIZE + 1 ];
- LittleEndian.putShort(testdata3, 0, ( short ) expected[2] );
- LittleEndian.putShort(testdata3, 1, ( short ) expected[3] );
- assertEquals(testdata3[ 0 ], 0x0D);
- assertEquals(testdata3[ 1 ], (byte)0x93);
- assertEquals(testdata3[ 2 ], (byte)0xFF);
- assertEquals(expected[ 2 ], LittleEndian.getUShort(testdata3));
- assertEquals(expected[ 3 ], LittleEndian.getUShort(testdata3, 1));
- //System.out.println("TD[1][0]: "+LittleEndian.getUShort(testdata)+" expecting 65281");
- //System.out.println("TD[1][1]: "+LittleEndian.getUShort(testdata, 1)+" expecting 767");
- //System.out.println("TD[2][0]: "+LittleEndian.getUShort(testdata2)+" expecting 37645");
- //System.out.println("TD[2][1]: "+LittleEndian.getUShort(testdata2, 1)+" expecting 65427");
- //System.out.println("TD[3][0]: "+LittleEndian.getUShort(testdata3)+" expecting 37645");
- //System.out.println("TD[3][1]: "+LittleEndian.getUShort(testdata3, 1)+" expecting 65427");
+ LittleEndian.putUShort(testdata3, 0, expected2);
+ LittleEndian.putUShort(testdata3, 1, expected3);
+ assertEquals(testdata3[0], 0x0D);
+ assertEquals(testdata3[1], (byte)0x93);
+ assertEquals(testdata3[2], (byte)0xFF);
+ assertEquals(expected2, LittleEndian.getUShort(testdata3));
+ assertEquals(expected3, LittleEndian.getUShort(testdata3, 1));
}
/**
* test the getDouble() method
*/
-
- public void testGetDouble()
- {
- assertEquals(_doubles[ 0 ], LittleEndian.getDouble(_double_array), 0.000001 );
- assertEquals(_doubles[ 1 ], LittleEndian.getDouble( _double_array, LittleEndian.DOUBLE_SIZE), 0.000001);
+ public void testGetDouble() {
+ assertEquals(_doubles[0], LittleEndian.getDouble(_double_array), 0.000001 );
+ assertEquals(_doubles[1], LittleEndian.getDouble( _double_array, LittleEndian.DOUBLE_SIZE), 0.000001);
assertTrue(Double.isNaN(LittleEndian.getDouble(_nan_double_array)));
double nan = LittleEndian.getDouble(_nan_double_array);
byte[] data = new byte[8];
LittleEndian.putDouble(data, nan);
- for ( int i = 0; i < data.length; i++ )
- {
- byte b = data[i];
+ for ( int i = 0; i < data.length; i++ ) {
assertEquals(data[i], _nan_double_array[i]);
}
}
/**
* test the getInt() method
*/
-
- public void testGetInt()
- {
- byte[] testdata = new byte[ LittleEndian.INT_SIZE + 1 ];
-
- testdata[ 0 ] = 0x01;
- testdata[ 1 ] = ( byte ) 0xFF;
- testdata[ 2 ] = ( byte ) 0xFF;
- testdata[ 3 ] = ( byte ) 0xFF;
- testdata[ 4 ] = 0x02;
- int expected[] = new int[ 2 ];
-
- expected[ 0 ] = 0xFFFFFF01;
- expected[ 1 ] = 0x02FFFFFF;
- assertEquals(expected[ 0 ], LittleEndian.getInt(testdata));
- assertEquals(expected[ 1 ], LittleEndian.getInt(testdata, 1));
+ public void testGetInt() {
+ // reading 4 byte data from a 5 byte buffer
+ byte[] testdata = {
+ (byte) 0x01,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0x02,
+ };
+
+ assertEquals(0xFFFFFF01, LittleEndian.getInt(testdata));
+ assertEquals(0x02FFFFFF, LittleEndian.getInt(testdata, 1));
}
/**
* test the getLong method
*/
-
- public void testGetLong()
- {
- byte[] testdata = new byte[ LittleEndian.LONG_SIZE + 1 ];
-
- testdata[ 0 ] = 0x01;
- testdata[ 1 ] = ( byte ) 0xFF;
- testdata[ 2 ] = ( byte ) 0xFF;
- testdata[ 3 ] = ( byte ) 0xFF;
- testdata[ 4 ] = ( byte ) 0xFF;
- testdata[ 5 ] = ( byte ) 0xFF;
- testdata[ 6 ] = ( byte ) 0xFF;
- testdata[ 7 ] = ( byte ) 0xFF;
- testdata[ 8 ] = 0x02;
- long expected[] = new long[ 2 ];
-
- expected[ 0 ] = 0xFFFFFFFFFFFFFF01L;
- expected[ 1 ] = 0x02FFFFFFFFFFFFFFL;
- assertEquals(expected[ 0 ], LittleEndian.getLong(testdata));
- assertEquals(expected[ 1 ], LittleEndian.getLong(testdata, 1));
+ public void testGetLong() {
+
+ // reading 8 byte values from a 9 byte buffer
+ byte[] testdata = {
+ (byte) 0x01,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0x02,
+ };
+
+ assertEquals(0xFFFFFFFFFFFFFF01L, LittleEndian.getLong(testdata));
+ assertEquals(0x02FFFFFFFFFFFFFFL, LittleEndian.getLong(testdata, 1));
}
/**
* test the PutShort method
*/
-
- public void testPutShort()
- {
+ public void testPutShort() {
byte[] expected = new byte[ LittleEndian.SHORT_SIZE + 1 ];
- expected[ 0 ] = 0x01;
- expected[ 1 ] = ( byte ) 0xFF;
- expected[ 2 ] = 0x02;
+ expected[0] = 0x01;
+ expected[1] = (byte) 0xFF;
+ expected[2] = 0x02;
byte[] received = new byte[ LittleEndian.SHORT_SIZE + 1 ];
- short testdata[] = new short[ 2 ];
-
- testdata[ 0 ] = ( short ) 0xFF01;
- testdata[ 1 ] = 0x02FF;
- LittleEndian.putShort(received, testdata[ 0 ]);
- assertTrue(ba_equivalent(received, expected, 0,
- LittleEndian.SHORT_SIZE));
- LittleEndian.putShort(received, 1, testdata[ 1 ]);
- assertTrue(ba_equivalent(received, expected, 1,
- LittleEndian.SHORT_SIZE));
+ short testdata[] = new short[2];
+
+ testdata[0] = ( short ) 0xFF01;
+ testdata[1] = 0x02FF;
+ LittleEndian.putShort(received, testdata[0]);
+ assertTrue(compareByteArrays(received, expected, 0, LittleEndian.SHORT_SIZE));
+ LittleEndian.putShort(received, 1, testdata[1]);
+ assertTrue(compareByteArrays(received, expected, 1, LittleEndian.SHORT_SIZE));
}
/**
* test the putInt method
*/
-
- public void testPutInt()
- {
- byte[] expected = new byte[ LittleEndian.INT_SIZE + 1 ];
-
- expected[ 0 ] = 0x01;
- expected[ 1 ] = ( byte ) 0xFF;
- expected[ 2 ] = ( byte ) 0xFF;
- expected[ 3 ] = ( byte ) 0xFF;
- expected[ 4 ] = 0x02;
- byte[] received = new byte[ LittleEndian.INT_SIZE + 1 ];
- int testdata[] = new int[ 2 ];
-
- testdata[ 0 ] = 0xFFFFFF01;
- testdata[ 1 ] = 0x02FFFFFF;
- LittleEndian.putInt(received, testdata[ 0 ]);
- assertTrue(ba_equivalent(received, expected, 0,
- LittleEndian.INT_SIZE));
- LittleEndian.putInt(received, 1, testdata[ 1 ]);
- assertTrue(ba_equivalent(received, expected, 1,
- LittleEndian.INT_SIZE));
+ public void testPutInt() {
+ // writing 4 byte data to a 5 byte buffer
+ byte[] expected = {
+ (byte) 0x01,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0x02,
+ };
+ byte[] received = new byte[ LittleEndian.INT_SIZE + 1 ];
+
+ LittleEndian.putInt(received, 0xFFFFFF01);
+ assertTrue(compareByteArrays(received, expected, 0, LittleEndian.INT_SIZE));
+ LittleEndian.putInt(received, 1, 0x02FFFFFF);
+ assertTrue(compareByteArrays(received, expected, 1, LittleEndian.INT_SIZE));
}
/**
* test the putDouble methods
*/
-
- public void testPutDouble()
- {
+ public void testPutDouble() {
byte[] received = new byte[ LittleEndian.DOUBLE_SIZE + 1 ];
- LittleEndian.putDouble(received, _doubles[ 0 ]);
- assertTrue(ba_equivalent(received, _double_array, 0,
- LittleEndian.DOUBLE_SIZE));
- LittleEndian.putDouble(received, 1, _doubles[ 1 ]);
+ LittleEndian.putDouble(received, _doubles[0]);
+ assertTrue(compareByteArrays(received, _double_array, 0, LittleEndian.DOUBLE_SIZE));
+ LittleEndian.putDouble(received, 1, _doubles[1]);
byte[] expected = new byte[ LittleEndian.DOUBLE_SIZE + 1 ];
System.arraycopy(_double_array, LittleEndian.DOUBLE_SIZE, expected,
1, LittleEndian.DOUBLE_SIZE);
- assertTrue(ba_equivalent(received, expected, 1,
- LittleEndian.DOUBLE_SIZE));
+ assertTrue(compareByteArrays(received, expected, 1, LittleEndian.DOUBLE_SIZE));
}
/**
* test the putLong method
*/
-
- public void testPutLong()
- {
- byte[] expected = new byte[ LittleEndian.LONG_SIZE + 1 ];
-
- expected[ 0 ] = 0x01;
- expected[ 1 ] = ( byte ) 0xFF;
- expected[ 2 ] = ( byte ) 0xFF;
- expected[ 3 ] = ( byte ) 0xFF;
- expected[ 4 ] = ( byte ) 0xFF;
- expected[ 5 ] = ( byte ) 0xFF;
- expected[ 6 ] = ( byte ) 0xFF;
- expected[ 7 ] = ( byte ) 0xFF;
- expected[ 8 ] = 0x02;
+ public void testPutLong() {
+ // writing 8 byte values to a 9 byte buffer
+ byte[] expected = {
+ (byte) 0x01,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0xFF,
+ (byte) 0x02,
+ };
byte[] received = new byte[ LittleEndian.LONG_SIZE + 1 ];
- long testdata[] = new long[ 2 ];
-
- testdata[ 0 ] = 0xFFFFFFFFFFFFFF01L;
- testdata[ 1 ] = 0x02FFFFFFFFFFFFFFL;
- LittleEndian.putLong(received, testdata[ 0 ]);
- assertTrue(ba_equivalent(received, expected, 0,
- LittleEndian.LONG_SIZE));
- LittleEndian.putLong(received, 1, testdata[ 1 ]);
- assertTrue(ba_equivalent(received, expected, 1,
- LittleEndian.LONG_SIZE));
+
+ long testdata0 = 0xFFFFFFFFFFFFFF01L;
+ long testdata1 = 0x02FFFFFFFFFFFFFFL;
+ LittleEndian.putLong(received, testdata0);
+ assertTrue(compareByteArrays(received, expected, 0, LittleEndian.LONG_SIZE));
+ LittleEndian.putLong(received, 1, testdata1);
+ assertTrue(compareByteArrays(received, expected, 1, LittleEndian.LONG_SIZE));
}
- private static byte[] _good_array =
- {
- 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02, 0x01,
- 0x02, 0x01, 0x02, 0x01, 0x02
+ private static byte[] _good_array = {
+ 0x01, 0x02, 0x01, 0x02,
+ 0x01, 0x02, 0x01, 0x02,
+ 0x01, 0x02, 0x01, 0x02,
+ 0x01, 0x02, 0x01, 0x02,
};
- private static byte[] _bad_array =
- {
+ private static byte[] _bad_array = {
0x01
};
/**
* test the readShort method
*/
-
- public void testReadShort()
- throws IOException
- {
+ public void testReadShort() throws IOException {
short expected_value = 0x0201;
InputStream stream = new ByteArrayInputStream(_good_array);
int count = 0;
- while (true)
- {
+ while (stream.available() > 0) {
short value = LittleEndian.readShort(stream);
-
- if (value == 0)
- {
- break;
- }
assertEquals(value, expected_value);
count++;
}
assertEquals(count,
_good_array.length / LittleEndianConsts.SHORT_SIZE);
stream = new ByteArrayInputStream(_bad_array);
- try
- {
+ try {
LittleEndian.readShort(stream);
fail("Should have caught BufferUnderrunException");
- }
- catch (BufferUnderrunException ignored)
- {
-
+ } catch (BufferUnderrunException ignored) {
// as expected
}
}
/**
* test the readInt method
*/
-
- public void testReadInt()
- throws IOException
- {
+ public void testReadInt() throws IOException {
int expected_value = 0x02010201;
InputStream stream = new ByteArrayInputStream(_good_array);
int count = 0;
- while (true)
- {
+ while (stream.available() > 0) {
int value = LittleEndian.readInt(stream);
-
- if (value == 0)
- {
- break;
- }
assertEquals(value, expected_value);
count++;
}
assertEquals(count, _good_array.length / LittleEndianConsts.INT_SIZE);
stream = new ByteArrayInputStream(_bad_array);
- try
- {
+ try {
LittleEndian.readInt(stream);
fail("Should have caught BufferUnderrunException");
- }
- catch (BufferUnderrunException ignored)
- {
+ } catch (BufferUnderrunException ignored) {
// as expected
}
/**
* test the readLong method
*/
-
- public void testReadLong()
- throws IOException
- {
+ public void testReadLong() throws IOException {
long expected_value = 0x0201020102010201L;
InputStream stream = new ByteArrayInputStream(_good_array);
int count = 0;
- while (true)
- {
+ while (stream.available() > 0) {
long value = LittleEndian.readLong(stream);
-
- if (value == 0)
- {
- break;
- }
assertEquals(value, expected_value);
count++;
}
assertEquals(count,
_good_array.length / LittleEndianConsts.LONG_SIZE);
stream = new ByteArrayInputStream(_bad_array);
- try
- {
+ try {
LittleEndian.readLong(stream);
fail("Should have caught BufferUnderrunException");
- }
- catch (BufferUnderrunException ignored)
- {
-
+ } catch (BufferUnderrunException ignored) {
// as expected
}
}
- /**
- * test the readFromStream method
- */
-
- public void testReadFromStream()
- throws IOException
- {
- InputStream stream = new ByteArrayInputStream(_good_array);
- byte[] value = LittleEndian.readFromStream(stream,
- _good_array.length);
-
- assertTrue(ba_equivalent(value, _good_array, 0, _good_array.length));
- stream = new ByteArrayInputStream(_good_array);
- try
- {
- value = LittleEndian.readFromStream(stream,
- _good_array.length + 1);
- fail("Should have caught BufferUnderrunException");
- }
- catch (BufferUnderrunException ignored)
- {
-
- // as expected
- }
- }
-
- public void testUnsignedByteToInt()
- throws Exception
- {
+// public void testReadFromStream() throws IOException {
+// int actual;
+// actual = LittleEndian.readUShort(new ByteArrayInputStream(new byte[] { 5, -128, }));
+// assertEquals(32773, actual);
+//
+// actual = LittleEndian.readUShort(new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, }));
+// assertEquals(513, actual);
+//
+// try {
+// LittleEndian.readInt(new ByteArrayInputStream(new byte[] { 1, 2, 3, }));
+// fail("Should have caught BufferUnderrunException");
+// } catch (BufferUnderrunException ignored) {
+// // as expected
+// }
+// }
+
+ public void testUnsignedByteToInt() {
assertEquals(255, LittleEndian.ubyteToInt((byte)255));
}
- private boolean ba_equivalent(byte [] received, byte [] expected,
- int offset, int size)
- {
- boolean result = true;
+ private static boolean compareByteArrays(byte [] received, byte [] expected,
+ int offset, int size) {
- for (int j = offset; j < offset + size; j++)
- {
- if (received[ j ] != expected[ j ])
- {
+ for (int j = offset; j < offset + size; j++) {
+ if (received[j] != expected[j]) {
System.out.println("difference at index " + j);
- result = false;
- break;
+ return false;
}
}
- return result;
+ return true;
}
- public void testUnsignedShort()
- throws Exception
- {
+ public void testUnsignedShort() {
assertEquals(0xffff, LittleEndian.getUShort(new byte[] { (byte)0xff, (byte)0xff }, 0));
}
-
- /**
- * main method to run the unit tests
- *
- * @param ignored_args
- */
-
- public static void main(String [] ignored_args)
- {
- System.out.println("Testing util.LittleEndian functionality");
- junit.textui.TestRunner.run(TestLittleEndian.class);
- }
}
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