add kai_tag_attr_to_long

2 files changed, 24 insertions, 1 deletions

diff --git a/src/geometry/geometry.c b/src/geometry/geometry.c
index 5e93c55..322ada0 100644
--- a/src/geometry/geometry.c
+++ b/src/geometry/geometry.c
@@ -13,5 +13,11 @@ int kai_read_float_array(struct ka_float_array_t *dest, struct kai_tag_t *src)
 		return -1;
 	}
 
+	char *count_str = kai_tag_get_attr(src, "count");
+	if (count_str == NULL) {
+		/* missing required count attribute! */
+		return -1;
+	}
+
 	return 0;
 }
diff --git a/src/geometry/geometry.test.c b/src/geometry/geometry.test.c
index b724ee7..d433066 100644
--- a/src/geometry/geometry.test.c
+++ b/src/geometry/geometry.test.c
@@ -16,7 +16,24 @@ LILY_TEST("fail to read non-float_array")
 
 	struct ka_float_array_t arr;
 	int result = kai_read_float_array(&arr, t);
-	CHECK_EQF(result, -1, "%d");
+	CHECK_EQ(result, -1, "%d");
+
+	kai_tag_destroy(t);
+}
+#include LILY_PUSH_TEST()
+
+
+LILY_TEST("fail to read float_array without count attribute")
+{
+	struct kai_tag_t *t = kai_parse_string(
+		"<float_array id=\"some id\">"
+		"	blah blah internals"
+		"</float_array>"
+	);
+
+	struct ka_float_array_t arr;
+	int result = kai_read_float_array(&arr, t);
+	CHECK_EQ(result, -1, "%d");
 
 	kai_tag_destroy(t);
 }