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add failing test

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This commit is contained in:
Sam M W 2022-08-07 15:56:38 +01:00
parent f3d3bf470f
commit 38a2dfb2f3
1 changed files with 22 additions and 0 deletions
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22
src/cpu.rs
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@ -802,6 +802,28 @@ mod tests {
use super::*; use super::*;
use num::range_inclusive; use num::range_inclusive;
#[cfg_attr(feature = "decimal_mode", test)]
fn invalid_decimal_values_test() {
let mut cpu = CPU::new();
cpu.registers.status.remove(Status::PS_CARRY);
cpu.add_with_carry(0x0e);
assert_eq!(cpu.registers.accumulator, 0x0e);
cpu.registers.status.or(Status::PS_DECIMAL_MODE);
assert_eq!(cpu.registers.accumulator, 0x0e);
assert!(!cpu.registers.status.contains(Status::PS_CARRY));
assert!(!cpu.registers.status.contains(Status::PS_ZERO));
assert!(!cpu.registers.status.contains(Status::PS_NEGATIVE));
assert!(!cpu.registers.status.contains(Status::PS_OVERFLOW));
cpu.add_with_carry(-92); // hex $a4
assert_eq!(cpu.registers.accumulator, 0x18);
assert!(cpu.registers.status.contains(Status::PS_CARRY));
assert!(!cpu.registers.status.contains(Status::PS_ZERO));
assert!(cpu.registers.status.contains(Status::PS_NEGATIVE));
assert!(!cpu.registers.status.contains(Status::PS_OVERFLOW));
}
#[cfg_attr(feature = "decimal_mode", test)] #[cfg_attr(feature = "decimal_mode", test)]
fn decimal_add_test() { fn decimal_add_test() {
let mut cpu = CPU::new(); let mut cpu = CPU::new();