Files
util.nix/package/c/hectic/test/04-json.c

142 lines
4.4 KiB
C

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "hectic.h"
#define ARENA_SIZE 1024 * 1024
// Test 1: Parse JSON object with a string value.
static void test_parse_json_object(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "{\"key\":\"value\"}";
Json *root = json_parse(&arena, &json);
assert(root->type == JSON_OBJECT);
Json *child = root->child;
assert(child && strcmp(child->key, "key") == 0);
assert(child->type == JSON_STRING);
assert(strcmp(child->JsonValue.string, "value") == 0);
arena_free(&arena);
}
// Test 2: Parse JSON number.
static void test_parse_json_number(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "42";
Json *root = json_parse(&arena, &json);
assert(root->type == JSON_NUMBER);
assert(root->JsonValue.number == 42);
arena_free(&arena);
}
// Test 3: Parse JSON string.
static void test_parse_json_string(void) {
Arena arena = {0};
const char *json = "\"hello\"";
Json *root = json_parse(&arena, &json);
assert(root->type == JSON_STRING);
assert(strcmp(root->JsonValue.string, "hello") == 0);
arena_free(&arena);
}
// Test 4: Get object items by key.
static void test_get_object_items(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "{\"a\":\"1\", \"b\":2}";
Json *root = json_parse(&arena, &json);
Json *item_a = json_get_object_item(root, "a");
assert(item_a && item_a->type == JSON_STRING);
assert(strcmp(item_a->JsonValue.string, "1") == 0);
Json *item_b = json_get_object_item(root, "b");
assert(item_b && item_b->type == JSON_NUMBER);
assert(item_b->JsonValue.number == 2);
arena_free(&arena);
}
// Test 5: Print JSON object.
static void test_print_json_object(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "{\"key\":\"value\", \"num\":3.14}";
Json *root = json_parse(&arena, &json);
char *printed = json_to_string(&arena, root);
assert(strstr(printed, "\"key\":") != NULL);
assert(strstr(printed, "\"value\"") != NULL);
assert(strstr(printed, "\"num\":") != NULL);
assert(strstr(printed, "3.14") != NULL);
arena_free(&arena);
}
// Test 6: Print JSON number.
static void test_print_json_number(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "123.456";
Json *root = json_parse(&arena, &json);
char *printed = json_to_string(&arena, root);
double val = atof(printed);
assert(val == 123.456);
arena_free(&arena);
}
// Test 7: Print JSON string.
static void test_print_json_string(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json = "\"test string\"";
Json *root = json_parse(&arena, &json);
char *printed = json_to_string(&arena, root);
assert(strcmp(printed, "\"test string\"") == 0);
arena_free(&arena);
}
// Test 8: Nested JSON object.
static void test_nested_json_object(void) {
Arena arena = arena_init(1024 * 1024);
const char *json = "{\"outer\":{\"inner\":100}}";
Json *root = json_parse(&arena, &json);
assert(root != NULL);
assert(root->type == JSON_OBJECT);
Json *outer = json_get_object_item(root, "outer");
assert(outer != NULL);
assert(outer->type == JSON_OBJECT);
Json *inner = json_get_object_item(outer, "inner");
assert(inner != NULL);
assert(inner->type == JSON_NUMBER);
assert(inner->JsonValue.number == 100);
arena_free(&arena);
}
// Test 9: Arena reset and reuse.
static void test_arena_reset_reuse(void) {
Arena arena = arena_init(ARENA_SIZE);
const char *json1 = "{\"key\":\"value\"}";
Json *root1 = json_parse(&arena, &json1);
char *printed1 = json_to_string(&arena, root1);
assert(strcmp(printed1, "{\"key\":\"value\"}") == 0);
arena_reset(&arena);
const char *json2 = "\"another test\"";
Json *root2 = json_parse(&arena, &json2);
char *printed2 = json_to_string(&arena, root2);
assert(strcmp(printed2, "\"another test\"") == 0);
arena_free(&arena);
}
int main(void) {
init_logger();
test_parse_json_object();
test_parse_json_number();
test_parse_json_string();
test_get_object_items();
test_print_json_object();
test_print_json_number();
test_print_json_string();
test_nested_json_object();
test_arena_reset_reuse();
printf("%s%s all tests passed.%s\n", OPTIONAL_COLOR(COLOR_GREEN), __FILE__, OPTIONAL_COLOR(COLOR_RESET));
return 0;
}