/*
* test for method static DoubleBuffer allocate(int capacity) test covers
* following usecases: 1. case for check DoubleBuffer testBuf properties 2.
* case expected IllegalArgumentException
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "allocate",
args = {int.class})
public void test_AllocateI() {
// case: DoubleBuffer testBuf properties is satisfy the conditions
// specification
DoubleBuffer testBuf = DoubleBuffer.allocate(20);
assertEquals(0, testBuf.position());
assertNotNull(testBuf.array());
assertEquals(0, testBuf.arrayOffset());
assertEquals(20, testBuf.limit());
assertEquals(20, testBuf.capacity());
testBuf = DoubleBuffer.allocate(0);
assertEquals(0, testBuf.position());
assertNotNull(testBuf.array());
assertEquals(0, testBuf.arrayOffset());
assertEquals(0, testBuf.limit());
assertEquals(0, testBuf.capacity());
// case: expected IllegalArgumentException
try {
testBuf = DoubleBuffer.allocate(-20);
fail("allocate method does not throws expected exception");
} catch (IllegalArgumentException e) {
// expected
}
}
public void read(double[] data, int howmany) throws IOException {
if (!initialized) {
init();
}
byteBuffer.position(positionInBytes);
doubleBuffer.position(positionInBytes / MemHolder.DOUBLESIZE);
// fill up
int dstPosition = 0;
if (doubleBuffer.remaining() >= howmany) {
doubleBuffer.get(data, 0, howmany);
} else {
// fill from remainder
int remaining = doubleBuffer.remaining();
doubleBuffer.get(data, 0, remaining);
dstPosition += remaining;
while (dstPosition < howmany - doubleBuffer.capacity()) {
byteBuffer.position(0);
channel.read(byteBuffer);
doubleBuffer.position(0);
doubleBuffer.get(data, dstPosition, doubleBuffer.capacity());
dstPosition += doubleBuffer.capacity();
}
byteBuffer.position(0);
channel.read(byteBuffer);
doubleBuffer.position(0);
doubleBuffer.get(data, dstPosition, howmany - dstPosition);
}
positionInBytes = doubleBuffer.position() * MemHolder.DOUBLESIZE;
}
/*
* Class under test for java.nio.DoubleBuffer put(java.nio.DoubleBuffer)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't verify ReadOnlyBufferException.",
method = "put",
args = {java.nio.DoubleBuffer.class})
public void testPutDoubleBuffer() {
DoubleBuffer other = DoubleBuffer.allocate(buf.capacity());
try {
buf.put(buf);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IllegalArgumentException e) {
// expected
}
try {
buf.put(DoubleBuffer.allocate(buf.capacity() + 1));
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferOverflowException e) {
// expected
}
loadTestData2(other);
other.clear();
buf.clear();
DoubleBuffer ret = buf.put(other);
assertEquals(other.position(), other.capacity());
assertEquals(buf.position(), buf.capacity());
assertContentEquals(other, buf);
assertSame(ret, buf);
}
/*
* Class under test for java.nio.DoubleBuffer put(java.nio.DoubleBuffer)
*/
public void testPutDoubleBuffer() {
DoubleBuffer other = DoubleBuffer.allocate(buf.capacity());
try {
buf.put(buf);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IllegalArgumentException e) {
// expected
}
try {
buf.put(DoubleBuffer.allocate(buf.capacity() + 1));
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferOverflowException e) {
// expected
}
loadTestData2(other);
other.clear();
buf.clear();
DoubleBuffer ret = buf.put(other);
assertEquals(other.position(), other.capacity());
assertEquals(buf.position(), buf.capacity());
assertContentEquals(other, buf);
assertSame(ret, buf);
}
public void testSlice() {
assertTrue(buf.capacity() > 5);
buf.position(1);
buf.limit(buf.capacity() - 1);
DoubleBuffer slice = buf.slice();
assertEquals(buf.isReadOnly(), slice.isReadOnly());
assertEquals(buf.isDirect(), slice.isDirect());
assertEquals(buf.order(), slice.order());
assertEquals(slice.position(), 0);
assertEquals(slice.limit(), buf.remaining());
assertEquals(slice.capacity(), buf.remaining());
try {
slice.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
// slice share the same content with buf
// FIXME:
if (!slice.isReadOnly()) {
loadTestData1(slice);
assertContentLikeTestData1(buf, 1, 0, slice.capacity());
buf.put(2, 500);
assertEquals(slice.get(1), 500, 0.0);
}
}
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "compact",
args = {})
@AndroidOnly("Fails on RI. See comment below")
public void testCompact() {
// case: buffer is full
buf.clear();
buf.mark();
loadTestData1(buf);
DoubleBuffer ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), buf.capacity());
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 0.0, buf.capacity());
try {
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
// case: buffer is empty
buf.position(0);
buf.limit(0);
buf.mark();
ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), 0);
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 0.0, buf.capacity());
try {
// Fails on RI. Spec doesn't specify the behavior if
// actually nothing to be done by compact(). So RI doesn't reset
// mark position
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
// case: normal
assertTrue(buf.capacity() > 5);
buf.position(1);
buf.limit(5);
buf.mark();
ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), 4);
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 1.0, 4);
try {
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
}
public void testCompact() {
// case: buffer is full
buf.clear();
buf.mark();
loadTestData1(buf);
DoubleBuffer ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), buf.capacity());
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 0.0, buf.capacity());
try {
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
// case: buffer is empty
buf.position(0);
buf.limit(0);
buf.mark();
ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), 0);
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 0.0, buf.capacity());
try {
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
// case: normal
assertTrue(buf.capacity() > 5);
buf.position(1);
buf.limit(5);
buf.mark();
ret = buf.compact();
assertSame(ret, buf);
assertEquals(buf.position(), 4);
assertEquals(buf.limit(), buf.capacity());
assertContentLikeTestData1(buf, 0, 1.0, 4);
try {
buf.reset();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (InvalidMarkException e) {
// expected
}
}
/*
* Class under test for java.nio.DoubleBuffer put(int, double)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't verify ReadOnlyBufferException.",
method = "put",
args = {int.class, double.class})
public void testPutintdouble() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), 0);
DoubleBuffer ret = buf.put(i, (double) i);
assertEquals(buf.get(i), (double) i, 0.0);
assertSame(ret, buf);
}
try {
buf.put(-1, 0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
buf.put(buf.limit(), 0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
}
/*
* Class under test for java.nio.DoubleBuffer get(double[])
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "get",
args = {double[].class})
public void testGetdoubleArray() {
double array[] = new double[1];
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
DoubleBuffer ret = buf.get(array);
assertEquals(array[0], buf.get(i), 0.01);
assertSame(ret, buf);
}
buf.get(new double[0]);
try {
buf.get(array);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferUnderflowException e) {
// expected
}
try {
buf.get((double[]) null);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (NullPointerException e) {
// expected
}
}
public void testToString() {
String str = buf.toString();
assertTrue(str.indexOf("Double") >= 0 || str.indexOf("double") >= 0);
assertTrue(str.indexOf("" + buf.position()) >= 0);
assertTrue(str.indexOf("" + buf.limit()) >= 0);
assertTrue(str.indexOf("" + buf.capacity()) >= 0);
}
/*
* test for method static DoubleBuffer wrap(double[] array, int offset, int
* length) test covers following usecases: 1. case for check DoubleBuffer
* buf2 properties 2. case for check equal between buf2 and double array[]
* 3. case for check a buf2 dependens to array[] 4. case expected
* IndexOutOfBoundsException
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "wrap",
args = {double[].class, int.class, int.class})
public void test_Wrap$DII() {
double array[] = new double[BUFFER_LENGTH];
int offset = 5;
int length = BUFFER_LENGTH - offset;
loadTestData1(array, 0, BUFFER_LENGTH);
DoubleBuffer buf2 = DoubleBuffer.wrap(array, offset, length);
// case: DoubleBuffer buf2 properties is satisfy the conditions
// specification
assertEquals(buf2.capacity(), array.length);
assertEquals(buf2.position(), offset);
assertEquals(buf2.limit(), offset + length);
assertEquals(buf2.arrayOffset(), 0);
// case: DoubleBuffer buf2 is equal to double array[]
assertContentEquals(buf2, array, 0, array.length);
// case: DoubleBuffer buf2 is depended to double array[]
loadTestData2(array, 0, buf.capacity());
assertContentEquals(buf2, array, 0, array.length);
// case: expected IndexOutOfBoundsException
try {
offset = 7;
buf2 = DoubleBuffer.wrap(array, offset, length);
fail("wrap method does not throws expected exception");
} catch (IndexOutOfBoundsException e) {
// expected
}
}
public static void main(String[] args) {
ByteBuffer bb = ByteBuffer.wrap(new byte[] {0, 0, 0, 0, 0, 0, 0, 'a'});
bb.rewind();
printnb("Byte Buffer ");
while (bb.hasRemaining()) printnb(bb.position() + " -> " + bb.get() + ", ");
print();
CharBuffer cb = ((ByteBuffer) bb.rewind()).asCharBuffer();
printnb("Char Buffer ");
while (cb.hasRemaining()) printnb(cb.position() + " -> " + cb.get() + ", ");
print();
FloatBuffer fb = ((ByteBuffer) bb.rewind()).asFloatBuffer();
printnb("Float Buffer ");
while (fb.hasRemaining()) printnb(fb.position() + " -> " + fb.get() + ", ");
print();
IntBuffer ib = ((ByteBuffer) bb.rewind()).asIntBuffer();
printnb("Int Buffer ");
while (ib.hasRemaining()) printnb(ib.position() + " -> " + ib.get() + ", ");
print();
LongBuffer lb = ((ByteBuffer) bb.rewind()).asLongBuffer();
printnb("Long Buffer ");
while (lb.hasRemaining()) printnb(lb.position() + " -> " + lb.get() + ", ");
print();
ShortBuffer sb = ((ByteBuffer) bb.rewind()).asShortBuffer();
printnb("Short Buffer ");
while (sb.hasRemaining()) printnb(sb.position() + " -> " + sb.get() + ", ");
print();
DoubleBuffer db = ((ByteBuffer) bb.rewind()).asDoubleBuffer();
printnb("Double Buffer ");
while (db.hasRemaining()) printnb(db.position() + " -> " + db.get() + ", ");
}
private void init() throws IOException {
channel.read(byteBuffer);
intBuffer.position(0);
doubleBuffer.position(0);
byteBuffer.position(0);
positionInBytes = 0;
initialized = true;
}
public void testHashCode() {
buf.clear();
DoubleBuffer readonly = buf.asReadOnlyBuffer();
DoubleBuffer duplicate = buf.duplicate();
assertTrue(buf.hashCode() == readonly.hashCode());
assertTrue(buf.capacity() > 5);
duplicate.position(buf.capacity() / 2);
assertTrue(buf.hashCode() != duplicate.hashCode());
}
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "toString",
args = {})
public void testToString() {
String str = buf.toString();
assertTrue(str.indexOf("Double") >= 0 || str.indexOf("double") >= 0);
assertTrue(str.indexOf("" + buf.position()) >= 0);
assertTrue(str.indexOf("" + buf.limit()) >= 0);
assertTrue(str.indexOf("" + buf.capacity()) >= 0);
}
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "compareTo",
args = {java.nio.DoubleBuffer.class})
public void testCompareTo() {
DoubleBuffer other = DoubleBuffer.allocate(buf.capacity());
loadTestData1(other);
assertEquals(0, buf.compareTo(other));
assertEquals(0, other.compareTo(buf));
buf.position(1);
assertTrue(buf.compareTo(other) > 0);
assertTrue(other.compareTo(buf) < 0);
other.position(2);
assertTrue(buf.compareTo(other) < 0);
assertTrue(other.compareTo(buf) > 0);
buf.position(2);
other.limit(5);
assertTrue(buf.compareTo(other) > 0);
assertTrue(other.compareTo(buf) < 0);
}
public void testDuplicate() {
buf.clear();
buf.mark();
buf.position(buf.limit());
// duplicate's contents should be the same as buf
DoubleBuffer duplicate = buf.duplicate();
assertNotSame(buf, duplicate);
assertEquals(buf.position(), duplicate.position());
assertEquals(buf.limit(), duplicate.limit());
assertEquals(buf.isReadOnly(), duplicate.isReadOnly());
assertEquals(buf.isDirect(), duplicate.isDirect());
assertEquals(buf.order(), duplicate.order());
assertContentEquals(buf, duplicate);
// duplicate's position, mark, and limit should be independent to buf
duplicate.reset();
assertEquals(duplicate.position(), 0);
duplicate.clear();
assertEquals(buf.position(), buf.limit());
buf.reset();
assertEquals(buf.position(), 0);
// duplicate share the same content with buf
// FIXME
if (!duplicate.isReadOnly()) {
loadTestData1(buf);
assertContentEquals(buf, duplicate);
loadTestData2(duplicate);
assertContentEquals(buf, duplicate);
}
}
/*
* Class under test for double get()
*/
public void testGet() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
assertEquals(buf.get(), buf.get(i), 0.01);
}
try {
buf.get();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferUnderflowException e) {
// expected
}
}
public void byte2double(byte[] src, int index_src, double[] dst, int index_dst, int len) {
if (len > (BUFFER_SIZE / 8)) {
DoubleBuffer buffer = ByteBuffer.wrap(src, index_src, len * 8).order(order).asDoubleBuffer();
buffer.get(dst, index_dst, len);
} else {
byteBuffer.clear();
byteBuffer.put(src, index_src, len * 8);
doubleBuffer.position(0).limit(len);
doubleBuffer.get(dst, index_dst, len);
}
}
public void testCompareTo() {
DoubleBuffer other = DoubleBuffer.allocate(buf.capacity());
loadTestData1(other);
assertEquals(0, buf.compareTo(other));
assertEquals(0, other.compareTo(buf));
buf.position(1);
assertTrue(buf.compareTo(other) > 0);
assertTrue(other.compareTo(buf) < 0);
other.position(2);
assertTrue(buf.compareTo(other) < 0);
assertTrue(other.compareTo(buf) > 0);
buf.position(2);
other.limit(5);
assertTrue(buf.compareTo(other) > 0);
assertTrue(other.compareTo(buf) < 0);
DoubleBuffer dbuffer1 = DoubleBuffer.wrap(new double[] {Double.NaN});
DoubleBuffer dbuffer2 = DoubleBuffer.wrap(new double[] {Double.NaN});
DoubleBuffer dbuffer3 = DoubleBuffer.wrap(new double[] {42d});
assertEquals("Failed equal comparison with NaN entry", 0, dbuffer1.compareTo(dbuffer2));
assertEquals("Failed greater than comparison with NaN entry", 1, dbuffer3.compareTo(dbuffer1));
assertEquals("Failed greater than comparison with NaN entry", 1, dbuffer1.compareTo(dbuffer3));
}
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "hashCode",
args = {})
public void testHashCode() {
buf.clear();
DoubleBuffer readonly = buf.asReadOnlyBuffer();
DoubleBuffer duplicate = buf.duplicate();
assertTrue(buf.hashCode() == readonly.hashCode());
assertTrue(buf.capacity() > 5);
duplicate.position(buf.capacity() / 2);
assertTrue(buf.hashCode() != duplicate.hashCode());
}
/*
* Class under test for java.nio.DoubleBuffer get(double[])
*/
public void testGetdoubleArray() {
double array[] = new double[1];
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
DoubleBuffer ret = buf.get(array);
assertEquals(array[0], buf.get(i), 0.01);
assertSame(ret, buf);
}
try {
buf.get(array);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferUnderflowException e) {
// expected
}
}
/*
* Class under test for java.nio.DoubleBuffer put(double)
*/
public void testPutdouble() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
DoubleBuffer ret = buf.put((double) i);
assertEquals(buf.get(i), (double) i, 0.0);
assertSame(ret, buf);
}
try {
buf.put(0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferOverflowException e) {
// expected
}
}
/*
* Class under test for double get()
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "get",
args = {})
public void testGet() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
assertEquals(buf.get(), buf.get(i), 0.01);
}
try {
buf.get();
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferUnderflowException e) {
// expected
}
}
/*
* Class under test for double get(int)
*/
public void testGetint() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
assertEquals(buf.get(), buf.get(i), 0.01);
}
try {
buf.get(-1);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
buf.get(buf.limit());
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
}
/*
* Class under test for java.nio.DoubleBuffer put(int, double)
*/
public void testPutintdouble() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), 0);
DoubleBuffer ret = buf.put(i, (double) i);
assertEquals(buf.get(i), (double) i, 0.0);
assertSame(ret, buf);
}
try {
buf.put(-1, 0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
try {
buf.put(buf.limit(), 0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (IndexOutOfBoundsException e) {
// expected
}
}
/*
* Class under test for java.nio.DoubleBuffer put(double)
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "Doesn't verify boundary values, and ReadOnlyBufferException.",
method = "put",
args = {double.class})
public void testPutdouble() {
buf.clear();
for (int i = 0; i < buf.capacity(); i++) {
assertEquals(buf.position(), i);
DoubleBuffer ret = buf.put((double) i);
assertEquals(buf.get(i), (double) i, 0.0);
assertSame(ret, buf);
}
try {
buf.put(0);
fail("Should throw Exception"); // $NON-NLS-1$
} catch (BufferOverflowException e) {
// expected
}
}
/*
* test for method static DoubleBuffer wrap(double[] array) test covers
* following usecases: 1. case for check DoubleBuffer buf2 properties 2.
* case for check equal between buf2 and double array[] 3. case for check a
* buf2 dependens to array[]
*/
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "wrap",
args = {double[].class})
public void test_Wrap$D() {
double array[] = new double[BUFFER_LENGTH];
loadTestData1(array, 0, BUFFER_LENGTH);
DoubleBuffer buf2 = DoubleBuffer.wrap(array);
// case: DoubleBuffer buf2 properties is satisfy the conditions
// specification
assertEquals(buf2.capacity(), array.length);
assertEquals(buf2.limit(), array.length);
assertEquals(buf2.position(), 0);
// case: DoubleBuffer buf2 is equal to double array[]
assertContentEquals(buf2, array, 0, array.length);
// case: DoubleBuffer buf2 is depended to double array[]
loadTestData2(array, 0, buf.capacity());
assertContentEquals(buf2, array, 0, array.length);
}
@Test
public final void testStorage() {
final T m = this.newMatrix();
m.setRowColumnD(0, 0, 0.0);
m.setRowColumnD(0, 1, 1.0);
m.setRowColumnD(1, 0, 100.0);
m.setRowColumnD(1, 1, 101.0);
{
final DoubleBuffer b = m.getDirectDoubleBuffer();
Assert.assertEquals(ByteOrder.nativeOrder(), b.order());
Assert.assertEquals(0L, (long) b.position());
Assert.assertEquals(0.0, b.get(0), 0.0);
Assert.assertEquals(100.0, b.get(1), 0.0);
Assert.assertEquals(1.0, b.get(2), 0.0);
Assert.assertEquals(101.0, b.get(3), 0.0);
}
}
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "asReadOnlyBuffer",
args = {})
public void testAsReadOnlyBuffer() {
buf.clear();
buf.mark();
buf.position(buf.limit());
// readonly's contents should be the same as buf
DoubleBuffer readonly = buf.asReadOnlyBuffer();
assertNotSame(buf, readonly);
assertTrue(readonly.isReadOnly());
assertEquals(buf.position(), readonly.position());
assertEquals(buf.limit(), readonly.limit());
assertEquals(buf.isDirect(), readonly.isDirect());
assertEquals(buf.order(), readonly.order());
assertContentEquals(buf, readonly);
// readonly's position, mark, and limit should be independent to buf
readonly.reset();
assertEquals(readonly.position(), 0);
readonly.clear();
assertEquals(buf.position(), buf.limit());
buf.reset();
assertEquals(buf.position(), 0);
// BEGIN android-added
// copied from a newer version of Harmony
DoubleBuffer dbuffer1 = DoubleBuffer.wrap(new double[] {Double.NaN});
DoubleBuffer dbuffer2 = DoubleBuffer.wrap(new double[] {Double.NaN});
DoubleBuffer dbuffer3 = DoubleBuffer.wrap(new double[] {42d});
assertEquals("Failed equal comparison with NaN entry", 0, dbuffer1.compareTo(dbuffer2));
assertEquals("Failed greater than comparison with NaN entry", 1, dbuffer3.compareTo(dbuffer1));
assertEquals("Failed greater than comparison with NaN entry", 1, dbuffer1.compareTo(dbuffer3));
// END android-added
}