util/base64: Add tests

cmake/src/test/util/CMakeLists.txt

@@ -1,2 +1,3 @@
+add_subdirectory(base64)
 add_subdirectory(mem)
 add_subdirectory(str)

cmake/src/test/util/base64/CMakeLists.txt

@@ -0,0 +1,11 @@
+project(test-util-base64)
+message(STATUS "Project " ${PROJECT_NAME})
+
+set(SRC ${PT_ROOT_TEST}/util/base64)
+
+set(SOURCE_FILES
+        ${SRC}/main.c)
+
+add_executable(${PROJECT_NAME} ${SOURCE_FILES})
+
+target_link_libraries(${PROJECT_NAME} cmocka test-util util)

src/test/util/base64/main.c

@@ -0,0 +1,58 @@
+#include <cmocka/cmocka.h>
+#include <string.h>
+
+#include "test-util/mem.h"
+
+#include "util/base64.h"
+#include "util/mem.h"
+
+static int setup(void** state)
+{
+    test_util_mem_install_mem_interface();
+
+    return 0;
+}
+
+static void test_base64_encode(void** state)
+{
+    const char* exp_str = "dGhpcyBpcyBhIHRlc3Qgc3RyaW5nIHdpdGggc3R1ZmYgKiYjJDEyMzIxOiJ9e3wrXygp";
+
+    const char* str = "this is a test string with stuff *&#$12321:\"}{|+_()";
+    size_t len = strlen(str);
+
+    size_t out_len = 0;
+
+    uint8_t* out_data = util_base64_encode((const uint8_t*) str, len, &out_len);
+
+    assert_int_equal(out_len, strlen(exp_str));
+    assert_string_equal(out_data, exp_str);
+
+    util_xfree((void**) &out_data);
+}
+
+static void test_base64_decode(void** state)
+{
+    const char* exp_str = "this is a test string with stuff *&#$12321:\"}{|+_()";
+
+    const char* str = "dGhpcyBpcyBhIHRlc3Qgc3RyaW5nIHdpdGggc3R1ZmYgKiYjJDEyMzIxOiJ9e3wrXygp";
+    size_t len = strlen(str);
+
+    size_t out_len = 0;
+
+    uint8_t* out_data = util_base64_decode((const uint8_t*) str, len, &out_len);
+
+    assert_int_equal(out_len, strlen(exp_str));
+    assert_string_equal(out_data, exp_str);
+
+    util_xfree((void**) &out_data);
+}
+
+int main(int argc, char* argv[])
+{
+    const struct CMUnitTest tests[] ={
+        cmocka_unit_test_setup(test_base64_encode, setup),
+        cmocka_unit_test_setup(test_base64_decode, setup),
+    };
+
+    return cmocka_run_group_tests(tests, NULL, NULL);
+}