implement integer division tests

src/test/math/math.c

@@ -19,6 +19,10 @@ long cModulo(long x, long y)
 {
   return x % y;
 }
+long cDiv(long x, long y)
+{
+  return x / y;
+}
 long cNeg(long x)
 {
   return -x;
@@ -173,6 +177,15 @@ int runMathTests()
   math_test("mul", cMul, mul, 1, 5);
   math_test("mul", cMul, mul, -1, -1);
 
+  printf("\nDivision Tests\n");
+  math_test("div", cDiv, div, 10, 2);
+  math_test("div", cDiv, div, 8, 4);
+  math_test("div", cDiv, div, 6, -2);
+  math_test("div", cDiv, div, -9, 3);
+  math_test("div", cDiv, div, 9, 2);
+  math_test("div", cDiv, div, 9, -2);
+  math_test("div", cDiv, div, -9, 2);
+
   printf("\nModulo Tests \n");
   math_test("modulo", cModulo, modulo, 1, 1);
   math_test("modulo", cModulo, modulo, 1, 5);

src/test/math/math.h

@@ -5,6 +5,7 @@
 long add(long x, long y);
 long sub(long x, long y); 
 long mul(long x, long y);
+long div(long x, long y);
 long modulo(long x, long y);
 long neg(long x);
 long id(long x);

src/test/test.k

@@ -10,6 +10,10 @@ function mul(x: int, y: int): int {
   return (x * y);
 }
 
+function div(x: int, y: int): int {
+  return (x / y);
+}
+
 function modulo(x: int, y: int): int {
   return (x % y);
 }