public void testHex() {
assertEquals("0", Vba.hex(0));
assertEquals("1", Vba.hex(1));
assertEquals("A", Vba.hex(10));
assertEquals("64", Vba.hex(100));
assertEquals("FFFFFFFF", Vba.hex(-1));
assertEquals("FFFFFFF6", Vba.hex(-10));
assertEquals("FFFFFF9C", Vba.hex(-100));
try {
Object o = Vba.hex("a");
fail("expected error, got " + o);
} catch (RuntimeException e) {
assertMessage(e, "Invalid parameter.");
}
}
