Merge commit '352a52804df5b9f475d19d3fa8f567c1bf98b8ac' as 'external/capstone'

external/capstone/tests/unit/utils.c

@@ -0,0 +1,76 @@
+// Copyright © 2024 Rot127 <unisono@quyllur.org>
+// SPDX-License-Identifier: BSD-3
+
+#include "unit_test.h"
+#include "../utils.h"
+#include <stdio.h>
+#include <string.h>
+
+static bool test_str_append_no_realloc()
+{
+	printf("Test test_str_append_no_realloc\n");
+
+	char str_a[] = "AAAA\0\0\0\0\0";
+	char str_b[] = "BBBB";
+	char str_c[] = "\0\0\0\0\0";
+
+	CHECK_NULL_RET_FALSE(str_append(NULL, NULL));
+	CHECK_NULL_RET_FALSE(str_append(str_a, NULL));
+	CHECK_NULL_RET_FALSE(str_append(NULL, str_b));
+
+	str_append_no_realloc(str_a, sizeof(str_a), str_c);
+	CHECK_STR_EQUAL_RET_FALSE(str_a, "AAAA");
+
+	str_append_no_realloc(str_a, sizeof(str_a), str_b);
+	CHECK_STR_EQUAL_RET_FALSE(str_a, "AAAABBBB");
+
+	str_append_no_realloc(str_c, sizeof(str_c), str_b);
+	CHECK_STR_EQUAL_RET_FALSE(str_c, "BBBB");
+
+	str_append_no_realloc(str_b, sizeof(str_b), str_c);
+	CHECK_STR_EQUAL_RET_FALSE(str_b, "BBBB");
+
+	return true;
+}
+
+static bool test_str_append()
+{
+	printf("Test test_str_append\n");
+	char *str_a = NULL;
+	char *str_b = NULL;
+	CHECK_NULL_RET_FALSE(str_append(str_a, str_b));
+
+	str_a = calloc(5, sizeof(char));
+	memcpy(str_a, "AAAA", 5);
+	CHECK_NULL_RET_FALSE(str_append(str_a, str_b));
+
+	str_b = calloc(5, sizeof(char));
+	str_a = str_append(str_a, str_b);
+	CHECK_STR_EQUAL_RET_FALSE(str_a, "AAAA");
+
+	memcpy(str_b, "BBBB", 5);
+	str_a = str_append(str_a, str_b);
+	CHECK_STR_EQUAL_RET_FALSE(str_a, "AAAABBBB");
+
+	memset(str_a, 0, strlen(str_a) + 1);
+	str_a = str_append(str_a, str_b);
+	CHECK_STR_EQUAL_RET_FALSE(str_a, "BBBB");
+	free(str_a);
+	free(str_b);
+
+	return true;
+}
+
+int main()
+{
+	bool result = true;
+	result &= test_str_append();
+	result &= test_str_append_no_realloc();
+
+	if (result) {
+		printf("All tests passed.\n");
+	} else {
+		printf("Some tests failed.\n");
+	}
+	return result ? 0 : -1;
+}