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/*
* Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
*
* libcbor is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include <stdio.h>
#include <string.h>
#include "assertions.h"
#include "cbor.h"
void assert_describe_result(cbor_item_t *item, char *expected_result) {
#if CBOR_PRETTY_PRINTER
// We know the expected size based on `expected_result`, but read everything
// in order to get the full actual output in a useful error message.
const size_t buffer_size = 512;
FILE *outfile = tmpfile();
cbor_describe(item, outfile);
rewind(outfile);
// Treat string as null-terminated since cmocka doesn't have asserts
// for explicit length strings.
char *output = malloc(buffer_size);
assert_non_null(output);
size_t output_size = fread(output, sizeof(char), buffer_size, outfile);
output[output_size] = '\0';
assert_string_equal(output, expected_result);
assert_true(feof(outfile));
free(output);
fclose(outfile);
#endif
}
static void test_uint(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_build_uint8(42);
assert_describe_result(item, "[CBOR_TYPE_UINT] Width: 1B, Value: 42\n");
cbor_decref(&item);
}
static void test_negint(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_build_negint16(40);
assert_describe_result(item,
"[CBOR_TYPE_NEGINT] Width: 2B, Value: -40 - 1\n");
cbor_decref(&item);
}
static void test_definite_bytestring(void **_CBOR_UNUSED(_state)) {
unsigned char data[] = {0x01, 0x02, 0x03};
cbor_item_t *item = cbor_build_bytestring(data, 3);
assert_describe_result(item,
"[CBOR_TYPE_BYTESTRING] Definite, Length: 3B, Data:\n"
" 010203\n");
cbor_decref(&item);
}
static void test_indefinite_bytestring(void **_CBOR_UNUSED(_state)) {
unsigned char data[] = {0x01, 0x02, 0x03};
cbor_item_t *item = cbor_new_indefinite_bytestring();
assert_true(cbor_bytestring_add_chunk(
item, cbor_move(cbor_build_bytestring(data, 3))));
assert_true(cbor_bytestring_add_chunk(
item, cbor_move(cbor_build_bytestring(data, 2))));
assert_describe_result(
item,
"[CBOR_TYPE_BYTESTRING] Indefinite, Chunks: 2, Chunk data:\n"
" [CBOR_TYPE_BYTESTRING] Definite, Length: 3B, Data:\n"
" 010203\n"
" [CBOR_TYPE_BYTESTRING] Definite, Length: 2B, Data:\n"
" 0102\n");
cbor_decref(&item);
}
static void test_definite_string(void **_CBOR_UNUSED(_state)) {
char *string = "Hello!";
cbor_item_t *item = cbor_build_string(string);
assert_describe_result(
item,
"[CBOR_TYPE_STRING] Definite, Length: 6B, Codepoints: 6, Data:\n"
" Hello!\n");
cbor_decref(&item);
}
static void test_indefinite_string(void **_CBOR_UNUSED(_state)) {
char *string = "Hello!";
cbor_item_t *item = cbor_new_indefinite_string();
assert_true(
cbor_string_add_chunk(item, cbor_move(cbor_build_string(string))));
assert_true(
cbor_string_add_chunk(item, cbor_move(cbor_build_string(string))));
assert_describe_result(
item,
"[CBOR_TYPE_STRING] Indefinite, Chunks: 2, Chunk data:\n"
" [CBOR_TYPE_STRING] Definite, Length: 6B, Codepoints: 6, Data:\n"
" Hello!\n"
" [CBOR_TYPE_STRING] Definite, Length: 6B, Codepoints: 6, Data:\n"
" Hello!\n");
cbor_decref(&item);
}
static void test_multibyte_string(void **_CBOR_UNUSED(_state)) {
// "Štěstíčko" in UTF-8
char *string = "\xc5\xa0t\xc4\x9bst\xc3\xad\xc4\x8dko";
cbor_item_t *item = cbor_build_string(string);
assert_describe_result(
item,
"[CBOR_TYPE_STRING] Definite, Length: 13B, Codepoints: 9, Data:\n"
" \xc5\xa0t\xc4\x9bst\xc3\xad\xc4\x8dko\n");
cbor_decref(&item);
}
static void test_definite_array(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_new_definite_array(2);
assert_true(cbor_array_push(item, cbor_move(cbor_build_uint8(1))));
assert_true(cbor_array_push(item, cbor_move(cbor_build_uint8(2))));
assert_describe_result(item,
"[CBOR_TYPE_ARRAY] Definite, Size: 2, Contents:\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 1\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 2\n");
cbor_decref(&item);
}
static void test_indefinite_array(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_new_indefinite_array();
assert_true(cbor_array_push(item, cbor_move(cbor_build_uint8(1))));
assert_true(cbor_array_push(item, cbor_move(cbor_build_uint8(2))));
assert_describe_result(item,
"[CBOR_TYPE_ARRAY] Indefinite, Size: 2, Contents:\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 1\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 2\n");
cbor_decref(&item);
}
static void test_definite_map(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_new_definite_map(1);
assert_true(cbor_map_add(
item, (struct cbor_pair){.key = cbor_move(cbor_build_uint8(1)),
.value = cbor_move(cbor_build_uint8(2))}));
assert_describe_result(item,
"[CBOR_TYPE_MAP] Definite, Size: 1, Contents:\n"
" Map entry 0\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 1\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 2\n");
cbor_decref(&item);
}
static void test_indefinite_map(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_new_indefinite_map();
assert_true(cbor_map_add(
item, (struct cbor_pair){.key = cbor_move(cbor_build_uint8(1)),
.value = cbor_move(cbor_build_uint8(2))}));
assert_describe_result(item,
"[CBOR_TYPE_MAP] Indefinite, Size: 1, Contents:\n"
" Map entry 0\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 1\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 2\n");
cbor_decref(&item);
}
static void test_tag(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_build_tag(42, cbor_move(cbor_build_uint8(1)));
assert_describe_result(item,
"[CBOR_TYPE_TAG] Value: 42\n"
" [CBOR_TYPE_UINT] Width: 1B, Value: 1\n");
cbor_decref(&item);
}
static void test_floats(void **_CBOR_UNUSED(_state)) {
cbor_item_t *item = cbor_new_indefinite_array();
assert_true(cbor_array_push(item, cbor_move(cbor_build_bool(true))));
assert_true(
cbor_array_push(item, cbor_move(cbor_build_ctrl(CBOR_CTRL_UNDEF))));
assert_true(
cbor_array_push(item, cbor_move(cbor_build_ctrl(CBOR_CTRL_NULL))));
assert_true(cbor_array_push(item, cbor_move(cbor_build_ctrl(24))));
assert_true(cbor_array_push(item, cbor_move(cbor_build_float4(3.14f))));
assert_describe_result(
item,
"[CBOR_TYPE_ARRAY] Indefinite, Size: 5, Contents:\n"
" [CBOR_TYPE_FLOAT_CTRL] Bool: true\n"
" [CBOR_TYPE_FLOAT_CTRL] Undefined\n"
" [CBOR_TYPE_FLOAT_CTRL] Null\n"
" [CBOR_TYPE_FLOAT_CTRL] Simple value: 24\n"
" [CBOR_TYPE_FLOAT_CTRL] Width: 4B, Value: 3.140000\n");
cbor_decref(&item);
}
int main(void) {
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_uint),
cmocka_unit_test(test_negint),
cmocka_unit_test(test_definite_bytestring),
cmocka_unit_test(test_indefinite_bytestring),
cmocka_unit_test(test_definite_string),
cmocka_unit_test(test_indefinite_string),
cmocka_unit_test(test_multibyte_string),
cmocka_unit_test(test_definite_array),
cmocka_unit_test(test_indefinite_array),
cmocka_unit_test(test_definite_map),
cmocka_unit_test(test_indefinite_map),
cmocka_unit_test(test_tag),
cmocka_unit_test(test_floats),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}
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