From eb27595cd5dae3b7eb61247c3e2569f226d55cc2 Mon Sep 17 00:00:00 2001
From: Andrew Keeton <andrewrkeeton@gmail.com>
Date: Thu, 6 Nov 2014 20:00:09 -0500
Subject: [PATCH] Add branch_if_positive_test().

---
 src/machine.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/machine.rs b/src/machine.rs
index 5372e3d..54df5a4 100644
--- a/src/machine.rs
+++ b/src/machine.rs
@@ -956,3 +956,16 @@ fn branch_if_minus_test() {
         assert_eq!(machine.registers.program_counter, Address(0xABCD));
     }
 }
+
+#[test]
+fn branch_if_positive_test() {
+    let mut machine = Machine::new();
+
+    machine.registers.status.insert(PS_NEGATIVE);
+    machine.branch_if_positive(Address(0xABCD));
+    assert_eq!(machine.registers.program_counter, Address(0));
+
+    machine.registers.status.remove(PS_NEGATIVE);
+    machine.branch_if_positive(Address(0xABCD));
+    assert_eq!(machine.registers.program_counter, Address(0xABCD));
+}