test: init tests

test/test_string.c

@@ -4,8 +4,41 @@
 #include <stddef.h>
 #include <stdlib.h>
 
+#include "lae_allocator.h"
 #include "lae_strings.h"
 
-int main(void) {
-    return EXIT_SUCCESS;
+static void test_bstr_init_valid(void **state) {
+    (void)state;
+
+    ByteStr *bstr;
+    bstr_init(&bstr, allocator_default(), 64);
+    assert_non_null(bstr);
+
+    bstr_destroy(&bstr);
+    assert_null(bstr);
+}
+
+static void test_bstr_init_null_arg(void **state) {
+    (void)state;
+
+    assert_uint_equal(bstr_init(NULL, allocator_default(), 64), STR_NULL_ARG);
+}
+
+static void test_bstr_init_zero_cap(void **state) {
+    (void)state;
+
+    ByteStr *bstr;
+    assert_uint_equal(
+        bstr_init(&bstr, allocator_default(), 0),
+        STR_INVALID_CAPACITY);
+}
+
+int main(void) {
+    const struct CMUnitTest tests[] = {
+        cmocka_unit_test(test_bstr_init_valid),
+        cmocka_unit_test(test_bstr_init_null_arg),
+        cmocka_unit_test(test_bstr_init_zero_cap),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
 }

xmake.lua

@@ -79,6 +79,9 @@ if has_config("tests") then
 	add_deps("lae_strings")
 
 	add_packages("cmocka")
+	add_packages("lae_allocator")
+
+	add_tests("default")
 
 	if has_config("asan") then
 		add_cflags("-fsanitize=address", "-fno-omit-frame-pointer", { force = true })