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);
}
}
@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
}
}
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 = "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
}
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);
}
