X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=tests%2Fxor.qc;h=41d02e95ee366a80a48fdb96975ed55d9a9d9267;hb=6de7c45618c6d57b64583a15c1eac705dac92ba8;hp=81fb1149e5c4c94762f7ddb3ef7e0f9c12773a71;hpb=a8fddbb7d33d5a5627c6d866c8150b6d3c73bc2b;p=xonotic%2Fgmqcc.git

diff --git a/tests/xor.qc b/tests/xor.qc
index 81fb114..41d02e9 100644
--- a/tests/xor.qc
+++ b/tests/xor.qc
@@ -1,3 +1,16 @@
+vector swap(float x, float y) {
+    vector ret = '0 0 0';
+    // everyone knows this trick
+    ret.x = x;
+    ret.y = y;
+    
+    ret.x = ret.x ^ ret.y;
+    ret.y = ret.y ^ ret.x;
+    ret.x = ret.x ^ ret.y;
+    
+    return ret;
+}
+
 void main() {
     float x = 5;
     float y = 3;
@@ -9,4 +22,31 @@ void main() {
     
     print(ftos(z), "\n");
     print(ftos(c), "\n");
+    
+    // commutative?
+    if (x ^ y == y ^ x)
+        print("commutative\n");
+    
+    // assocative?
+    if (x ^ (y ^ z) == (x ^ y) ^ z)
+        print("assocative\n");
+        
+    // elements are their own inverse?
+    if (x ^ 0 == x)
+        print("inverse\n");
+        
+    // vector ^ vector
+    // vector ^ float
+    // are legal in constant expressions (currently)
+    const vector v3 = '5 2 5' ^ '3 10 3';
+    const vector v4 = '5 2 5' ^ 10;
+    
+    print("vv: ", vtos(v3), "\n");
+    print("vf: ", vtos(v4), "\n");
+    
+    // good olde xor swap test too
+    float swap_x = 100;
+    float swap_y = 200;
+    vector swaps = swap(swap_x, swap_y);
+    print("100:200 swapped is: ", ftos(swaps.x), ":", ftos(swaps.y), "\n");
 }