Function test_decode

common/test/run-bigsize.c:225–253

BOLT #1: * * A correct implementation should pass against these test vectors: * ```json * [ * { * "name": "zero", * "value": 0, * "bytes": "00" * }, * { * "name": "one byte high", * "value": 252, * "bytes": "fc" * }, * { * "name": "two byte low", * "value": 253, * "bytes": "fd00fd" *

 * ```
 */
static void test_decode(const char *json, const jsmntok_t toks[])
{
	size_t i;
	const jsmntok_t *t;

	json_for_each_arr(i, t, toks) {
		const jsmntok_t *err = json_get_member(json, t, "exp_error");
		const jsmntok_t *bytes = json_get_member(json, t, "bytes");
		u64 num, expect;
		const u8 *b;
		size_t len;

		if (!json_to_u64(json, json_get_member(json, t, "value"),
				 &expect))
			abort();
		b = tal_hexdata(tmpctx, json + bytes->start,
				bytes->end - bytes->start);

		reason = NULL;
		len = bigsize_get(b, tal_bytelen(b), &num);
		if (err) {
			assert(len == 0);
			assert(json_tok_streq(json, err, reason));
		} else {
			assert(len == tal_bytelen(b));
			assert(num == expect);
		}
	}
}

/* BOLT #1:
 *