/* ChatGPT-derived */
#include "config.h"
#include <assert.h>
#include <ccan/array_size/array_size.h>
#include <ccan/tal/tal.h>
#include <common/amount.h>
#include <common/pseudorand.h>
#include <common/setup.h>
#include <common/utils.h>
#include <wire/wire.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* AUTOGENERATED MOCKS START */
/* Generated stub for amount_asset_is_main */
bool amount_asset_is_main(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_is_main called!\n"); abort(); }
/* Generated stub for amount_asset_to_sat */
struct amount_sat amount_asset_to_sat(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_to_sat called!\n"); abort(); }
/* Generated stub for amount_feerate */
 bool amount_feerate(u32 *feerate UNNEEDED, struct amount_sat fee UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_feerate called!\n"); abort(); }
/* Generated stub for amount_sat */
struct amount_sat amount_sat(u64 satoshis UNNEEDED)
{ fprintf(stderr, "amount_sat called!\n"); abort(); }
/* Generated stub for amount_sat_add */
 bool amount_sat_add(struct amount_sat *val UNNEEDED,
				       struct amount_sat a UNNEEDED,
				       struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
 bool amount_sat_sub(struct amount_sat *val UNNEEDED,
				       struct amount_sat a UNNEEDED,
				       struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_sub called!\n"); abort(); }
/* Generated stub for amount_sat_to_asset */
struct amount_asset amount_sat_to_asset(struct amount_sat *sat UNNEEDED, const u8 *asset UNNEEDED)
{ fprintf(stderr, "amount_sat_to_asset called!\n"); abort(); }
/* Generated stub for amount_tx_fee */
struct amount_sat amount_tx_fee(u32 fee_per_kw UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_tx_fee called!\n"); abort(); }
/* Generated stub for fromwire */
const u8 *fromwire(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, void *copy UNNEEDED, size_t n UNNEEDED)
{ fprintf(stderr, "fromwire called!\n"); abort(); }
/* Generated stub for fromwire_bool */
bool fromwire_bool(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_bool called!\n"); abort(); }
/* Generated stub for fromwire_fail */
void *fromwire_fail(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_fail called!\n"); abort(); }
/* Generated stub for fromwire_secp256k1_ecdsa_signature */
void fromwire_secp256k1_ecdsa_signature(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
					secp256k1_ecdsa_signature *signature UNNEEDED)
{ fprintf(stderr, "fromwire_secp256k1_ecdsa_signature called!\n"); abort(); }
/* Generated stub for fromwire_sha256 */
void fromwire_sha256(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct sha256 *sha256 UNNEEDED)
{ fprintf(stderr, "fromwire_sha256 called!\n"); abort(); }
/* Generated stub for fromwire_tal_arrn */
u8 *fromwire_tal_arrn(const tal_t *ctx UNNEEDED,
		       const u8 **cursor UNNEEDED, size_t *max UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "fromwire_tal_arrn called!\n"); abort(); }
/* Generated stub for fromwire_u32 */
u32 fromwire_u32(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u32 called!\n"); abort(); }
/* Generated stub for fromwire_u64 */
u64 fromwire_u64(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u64 called!\n"); abort(); }
/* Generated stub for fromwire_u8 */
u8 fromwire_u8(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u8 called!\n"); abort(); }
/* Generated stub for fromwire_u8_array */
void fromwire_u8_array(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, u8 *arr UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "fromwire_u8_array called!\n"); abort(); }
/* Generated stub for siphash_seed */
const struct siphash_seed *siphash_seed(void)
{ fprintf(stderr, "siphash_seed called!\n"); abort(); }
/* Generated stub for towire */
void towire(u8 **pptr UNNEEDED, const void *data UNNEEDED, size_t len UNNEEDED)
{ fprintf(stderr, "towire called!\n"); abort(); }
/* Generated stub for towire_bool */
void towire_bool(u8 **pptr UNNEEDED, bool v UNNEEDED)
{ fprintf(stderr, "towire_bool called!\n"); abort(); }
/* Generated stub for towire_secp256k1_ecdsa_signature */
void towire_secp256k1_ecdsa_signature(u8 **pptr UNNEEDED,
			      const secp256k1_ecdsa_signature *signature UNNEEDED)
{ fprintf(stderr, "towire_secp256k1_ecdsa_signature called!\n"); abort(); }
/* Generated stub for towire_sha256 */
void towire_sha256(u8 **pptr UNNEEDED, const struct sha256 *sha256 UNNEEDED)
{ fprintf(stderr, "towire_sha256 called!\n"); abort(); }
/* Generated stub for towire_u32 */
void towire_u32(u8 **pptr UNNEEDED, u32 v UNNEEDED)
{ fprintf(stderr, "towire_u32 called!\n"); abort(); }
/* Generated stub for towire_u64 */
void towire_u64(u8 **pptr UNNEEDED, u64 v UNNEEDED)
{ fprintf(stderr, "towire_u64 called!\n"); abort(); }
/* Generated stub for towire_u8 */
void towire_u8(u8 **pptr UNNEEDED, u8 v UNNEEDED)
{ fprintf(stderr, "towire_u8 called!\n"); abort(); }
/* Generated stub for towire_u8_array */
void towire_u8_array(u8 **pptr UNNEEDED, const u8 *arr UNNEEDED, size_t num UNNEEDED)
{ fprintf(stderr, "towire_u8_array called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */

static void test_append_empty(void)
{
	int *arr = tal_arr(NULL, int, 0);
	int one[] = { 1, 2, 3 };

	tal_arr_append(&arr, tal_dup_arr(arr, int, one, ARRAY_SIZE(one), 0));

	assert(tal_count(arr) == 3);
	assert(arr[0] == 1);
	assert(arr[1] == 2);
	assert(arr[2] == 3);

	tal_free(arr);
}

static void test_append_nonempty(void)
{
	int *arr = tal_arr(NULL, int, 2);
	arr[0] = 10;
	arr[1] = 20;

	int more[] = { 30, 40 };

	tal_arr_append(&arr, tal_dup_arr(arr, int, more, ARRAY_SIZE(more), 0));

	assert(tal_count(arr) == 4);
	assert(arr[0] == 10);
	assert(arr[1] == 20);
	assert(arr[2] == 30);
	assert(arr[3] == 40);

	tal_free(arr);
}

static void test_appendn_partial(void)
{
	int *arr = tal_arr(NULL, int, 1);
	arr[0] = 5;

	int more[] = { 6, 7, 8, 9 };

	tal_arr_appendn(&arr, more, 2);

	assert(tal_count(arr) == 3);
	assert(arr[0] == 5);
	assert(arr[1] == 6);
	assert(arr[2] == 7);

	tal_free(arr);
}

static void test_appendn_zero(void)
{
	int *arr = tal_arr(NULL, int, 3);
	arr[0] = 1;
	arr[1] = 2;
	arr[2] = 3;

	int more[] = { 4, 5 };

	tal_arr_appendn(&arr, more, 0);

	assert(tal_count(arr) == 3);
	assert(arr[0] == 1);
	assert(arr[1] == 2);
	assert(arr[2] == 3);

	tal_free(arr);
}

static void test_append_structs(void)
{
	struct foo {
		int a;
		int b;
	};

	struct foo *arr = tal_arr(NULL, struct foo, 1);
	arr[0].a = 1;
	arr[0].b = 2;

	struct foo more[] = {
		{ 3, 4 },
		{ 5, 6 },
	};

	tal_arr_append(&arr, tal_dup_arr(arr, struct foo, more, ARRAY_SIZE(more), 0));

	assert(tal_count(arr) == 3);
	assert(arr[0].a == 1 && arr[0].b == 2);
	assert(arr[1].a == 3 && arr[1].b == 4);
	assert(arr[2].a == 5 && arr[2].b == 6);

	tal_free(arr);
}

static void test_append_take(void)
{
	int *arr = tal_arr(NULL, int, 0);
	int more[] = { 4, 5 };
	const int *moreptr = tal_dup_arr(NULL, int, more, ARRAY_SIZE(more), 0);

	tal_arr_appendn(&arr, take(moreptr), 1);
	moreptr = tal_dup_arr(NULL, int, more, ARRAY_SIZE(more), 0);
	tal_arr_append(&arr, take(moreptr));

	assert(tal_count(arr) == 3);
	assert(arr[0] == 4);
	assert(arr[1] == 4);
	assert(arr[2] == 5);

	tal_free(arr);
}

int main(int argc, char *argv[])
{
	common_setup(argv[0]);

	test_append_empty();
	test_append_nonempty();
	test_appendn_partial();
	test_appendn_zero();
	test_append_structs();
	test_append_take();

	common_shutdown();
}
