public void memoryMove(long src, long dest, long len) {
final Pointer srcPointer = new Pointer(src);
final Pointer destPointer = new Pointer(dest);
if (memmove != null)
memmove.invoke(Pointer.class, new Object[] {destPointer, srcPointer, new NativeLong(len)});
else if (bcopy != null)
bcopy.invokeVoid(new Object[] {srcPointer, destPointer, new NativeLong(len)});
else {
if (src > dest) for (long n = 0; n < len; n++) destPointer.setByte(n, srcPointer.getByte(n));
else for (long n = len - 1; n >= 0; n--) destPointer.setByte(n, srcPointer.getByte(n));
}
}
public void testInterceptLastError() {
if (!Platform.isWindows()) {
return;
}
NativeLibrary kernel32 =
(NativeLibrary) NativeLibrary.getInstance("kernel32", W32APIOptions.DEFAULT_OPTIONS);
Function get = kernel32.getFunction("GetLastError");
Function set = kernel32.getFunction("SetLastError");
assertEquals("SetLastError should not be customized", Function.class, set.getClass());
assertTrue(
"GetLastError should be a Function", Function.class.isAssignableFrom(get.getClass()));
assertTrue("GetLastError should be a customized Function", get.getClass() != Function.class);
final int EXPECTED = 42;
set.invokeVoid(new Object[] {new Integer(EXPECTED)});
assertEquals("Wrong error", EXPECTED, get.invokeInt(null));
}
