add support for modulo operator

2 files changed, 14 insertions, 6 deletions

diff --git a/src/template.c b/src/template.c
index e8fcf36..0d1faa8 100644
--- a/src/template.c
+++ b/src/template.c
@@ -398,6 +398,7 @@ struct unja_object *eval_infix_expression(struct unja_object *left, char *op, st
         case '-': result = object_to_int(left) - object_to_int(right); break;
         case '/': result = object_to_int(left) / object_to_int(right); break;
         case '*': result = object_to_int(left) * object_to_int(right); break;
+        case '%': result = object_to_int(left) % object_to_int(right); break;
         case '>': 
             if (op[1] == '=') {
                 result = object_to_int(left) >= object_to_int(right);    
diff --git a/tests/test_template.c b/tests/test_template.c
index 69ff7fe..758f7fb 100644
--- a/tests/test_template.c
+++ b/tests/test_template.c
@@ -110,23 +110,30 @@ TEST(expr_op_precedence) {
 }
 
 TEST(expr_subtract) {
-    char *input = "Hello {{ 5 - 5 }}.";
+    char *input = "{{ 5 - 5 }}";
     char *output = template_string(input, NULL);
-    assert_str(output, "Hello 0.");
+    assert_str(output, "0");
     free(output);
 }
 
 TEST(expr_divide) {
-    char *input = "Hello {{ 5 / 5 }}.";
+    char *input = "{{ 5 / 5 }}";
     char *output = template_string(input, NULL);
-    assert_str(output, "Hello 1.");
+    assert_str(output, "1");
     free(output);
 }
 
 TEST(expr_multiply) {
-    char *input = "Hello {{ 5 * 5 }}.";
+    char *input = "{{ 5 * 5 }}";
     char *output = template_string(input, NULL);
-    assert_str(output, "Hello 25.");
+    assert_str(output, "25");
+    free(output);
+}
+
+TEST(expr_modulo) {
+    char *input = "{{ 5 % 4 }}";
+    char *output = template_string(input, NULL);
+    assert_str(output, "1");
     free(output);
 }