test(hmpl): render interpolation tags

package/c/hectic/test/02-json.c

@@ -0,0 +1,138 @@
+#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->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->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->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->string, "1") == 0);
+    Json *item_b = json_get_object_item(root, "b");
+    assert(item_b && item_b->type == JSON_NUMBER);
+    assert(item_b->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->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);
+    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) {
+    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 all tests passed.\n", __FILE__);
+    return 0;
+}