implement basic matrix parsing

1 files changed, 71 insertions, 0 deletions

diff --git a/src/transform.test.c b/src/transform.test.c
new file mode 100644
index 0000000..e9982f6
--- /dev/null
+++ b/src/transform.test.c
@@ -0,0 +1,71 @@
+#include <string.h>
+#include <kalmia.h>
+#include "test/test.h"
+#include "transform.h"
+
+
+void parse_matrix_fail_nonmatrix();
+void parse_identity();
+
+
+void suite_transform()
+{
+	lily_run_test(parse_matrix_fail_nonmatrix);
+	lily_run_test(parse_identity);
+}
+
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+void parse_matrix_fail_nonmatrix()
+{
+	char str[128];
+	strncpy(str, "<nonmatrix></nonmatrix>", 128);
+	ezxml_t tag = ezxml_parse_str(str, strlen(str));
+
+	ka_matrix_t mat;
+	int rc = kai_parse_matrix(&mat, tag);
+	lily_assert_true(rc != 0);
+
+	ezxml_free(tag);
+}
+
+
+void parse_identity()
+{
+	char str[512];
+	strncpy(
+		str, 
+		"<matrix>\n"
+		"	1 0 0 0\n"
+		"	0 1 0 0\n"
+		"	0 0 1 0\n"
+		"	0 0 0 1\n"
+		"</matrix>",
+		512
+	);
+	ezxml_t tag = ezxml_parse_str(str, strlen(str));
+
+	ka_matrix_t mat;
+	mat[0] = 100;
+	int rc = kai_parse_matrix(&mat, tag);
+	lily_assert_true(rc == 0);
+	ezxml_free(tag);
+
+	lily_assert_float_equal(mat[0], 1.0f, 1e-3);
+	lily_assert_float_equal(mat[1], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[2], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[3], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[4], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[5], 1.0f, 1e-3);
+	lily_assert_float_equal(mat[6], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[7], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[8], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[9], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[10], 1.0f, 1e-3);
+	lily_assert_float_equal(mat[11], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[12], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[13], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[14], 0.0f, 1e-3);
+	lily_assert_float_equal(mat[15], 1.0f, 1e-3);
+}