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beef up test

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This commit is contained in:
Alex Weisberger 2014-10-07 23:56:27 -04:00
parent d132f040f2
commit 8fd38026aa
1 changed files with 26 additions and 0 deletions
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26
src/machine.rs
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@ -323,4 +323,30 @@ fn dec_x_test() {
assert_eq!(machine.registers.status.contains(ps_zero), false);
assert_eq!(machine.registers.status.contains(ps_negative), true);
assert_eq!(machine.registers.status.contains(ps_overflow), false);
machine.load_x_register(5);
machine.dec_x();
assert_eq!(machine.registers.index_x, 4);
assert_eq!(machine.registers.status.contains(ps_carry), false);
assert_eq!(machine.registers.status.contains(ps_zero), false);
assert_eq!(machine.registers.status.contains(ps_negative), false);
assert_eq!(machine.registers.status.contains(ps_overflow), false);
machine.dec_x();
machine.dec_x();
machine.dec_x();
machine.dec_x();
assert_eq!(machine.registers.index_x, 0);
assert_eq!(machine.registers.status.contains(ps_carry), false);
assert_eq!(machine.registers.status.contains(ps_zero), true);
assert_eq!(machine.registers.status.contains(ps_negative), false);
assert_eq!(machine.registers.status.contains(ps_overflow), false);
machine.dec_x();
assert_eq!(machine.registers.index_x, -1);
assert_eq!(machine.registers.status.contains(ps_carry), false);
assert_eq!(machine.registers.status.contains(ps_zero), false);
assert_eq!(machine.registers.status.contains(ps_negative), true);
assert_eq!(machine.registers.status.contains(ps_overflow), false);
}