public void testBufferFieldReadChangedToNULL() {
if (!Platform.HAS_BUFFERS) return;
BufferStructure bs = new BufferStructure();
bs.buffer = ByteBuffer.allocateDirect(16);
bs.dbuffer = ((ByteBuffer) bs.buffer).asDoubleBuffer();
bs.read();
assertNull("Structure Buffer field should be set null", bs.buffer);
assertNull("Structure DoubleBuffer field should be set null", bs.dbuffer);
}
public void testBufferFieldReadUnchanged() {
if (!Platform.HAS_BUFFERS) return;
BufferStructure bs = new BufferStructure();
Buffer b = ByteBuffer.allocateDirect(16);
bs.buffer = b;
bs.dbuffer = ((ByteBuffer) bs.buffer).asDoubleBuffer();
bs.write();
bs.read();
assertEquals("Buffer field should be unchanged", b, bs.buffer);
}
public void testBufferFieldReadChanged() {
if (!Platform.HAS_BUFFERS) return;
BufferStructure bs = new BufferStructure();
if (Pointer.SIZE == 4) {
bs.getPointer().setInt(0, 0x1);
} else {
bs.getPointer().setLong(0, 0x1);
}
try {
bs.read();
fail("Structure read should fail if Buffer pointer was set");
} catch (IllegalStateException e) {
}
bs.buffer = ByteBuffer.allocateDirect(16);
try {
bs.read();
fail("Structure read should fail if Buffer pointer has changed");
} catch (IllegalStateException e) {
}
}