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core-lightning/common/test/run-bigsize.c
Rusty Russell 4ffda340d3 check: make sure all files outside contrib/ include "config.h" first. 
And turn "" includes into full-path (which makes it easier to put
config.h first, and finds some cases check-includes.sh missed
previously).

config.h sets _GNU_SOURCE which really needs to be done before any
'#includes': we mainly got away with it with glibc, but other platforms
like Alpine may have stricter requirements.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-12-06 10:05:39 +10:30

380 lines
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C
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#include "config.h"
#include <ccan/array_size/array_size.h>
#include <ccan/tal/grab_file/grab_file.h>
#include <common/amount.h>
#include <common/json.c>
#include <common/setup.h>
static const char *reason;
#define SUPERVERBOSE(r) do { if (!reason) reason = (r); } while(0)
#include <common/bigsize.c>
/* 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_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_amount_sat */
struct amount_sat fromwire_amount_sat(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_amount_sat 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_u16 */
u16 fromwire_u16(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_u16 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 json_add_member */
void json_add_member(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED,
bool quote UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "json_add_member called!\n"); abort(); }
/* Generated stub for json_member_direct */
char *json_member_direct(struct json_stream *js UNNEEDED,
const char *fieldname UNNEEDED, size_t extra UNNEEDED)
{ fprintf(stderr, "json_member_direct 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_amount_sat */
void towire_amount_sat(u8 **pptr UNNEEDED, const struct amount_sat sat UNNEEDED)
{ fprintf(stderr, "towire_amount_sat 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_u16 */
void towire_u16(u8 **pptr UNNEEDED, u16 v UNNEEDED)
{ fprintf(stderr, "towire_u16 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 */
/* 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"
* },
* {
* "name": "two byte high",
* "value": 65535,
* "bytes": "fdffff"
* },
* {
* "name": "four byte low",
* "value": 65536,
* "bytes": "fe00010000"
* },
* {
* "name": "four byte high",
* "value": 4294967295,
* "bytes": "feffffffff"
* },
* {
* "name": "eight byte low",
* "value": 4294967296,
* "bytes": "ff0000000100000000"
* },
* {
* "name": "eight byte high",
* "value": 18446744073709551615,
* "bytes": "ffffffffffffffffff"
* },
* {
* "name": "two byte not canonical",
* "value": 0,
* "bytes": "fd00fc",
* "exp_error": "decoded bigsize is not canonical"
* },
* {
* "name": "four byte not canonical",
* "value": 0,
* "bytes": "fe0000ffff",
* "exp_error": "decoded bigsize is not canonical"
* },
* {
* "name": "eight byte not canonical",
* "value": 0,
* "bytes": "ff00000000ffffffff",
* "exp_error": "decoded bigsize is not canonical"
* },
* {
* "name": "two byte short read",
* "value": 0,
* "bytes": "fd00",
* "exp_error": "unexpected EOF"
* },
* {
* "name": "four byte short read",
* "value": 0,
* "bytes": "feffff",
* "exp_error": "unexpected EOF"
* },
* {
* "name": "eight byte short read",
* "value": 0,
* "bytes": "ffffffffff",
* "exp_error": "unexpected EOF"
* },
* {
* "name": "one byte no read",
* "value": 0,
* "bytes": "",
* "exp_error": "EOF"
* },
* {
* "name": "two byte no read",
* "value": 0,
* "bytes": "fd",
* "exp_error": "unexpected EOF"
* },
* {
* "name": "four byte no read",
* "value": 0,
* "bytes": "fe",
* "exp_error": "unexpected EOF"
* },
* {
* "name": "eight byte no read",
* "value": 0,
* "bytes": "ff",
* "exp_error": "unexpected EOF"
* }
* ]
* ```
*/
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:
*
* A correct implementation should pass against the following 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"
* },
* {
* "name": "two byte high",
* "value": 65535,
* "bytes": "fdffff"
* },
* {
* "name": "four byte low",
* "value": 65536,
* "bytes": "fe00010000"
* },
* {
* "name": "four byte high",
* "value": 4294967295,
* "bytes": "feffffffff"
* },
* {
* "name": "eight byte low",
* "value": 4294967296,
* "bytes": "ff0000000100000000"
* },
* {
* "name": "eight byte high",
* "value": 18446744073709551615,
* "bytes": "ffffffffffffffffff"
* }
* ]
* ```
*/
static void test_encode(const char *json, const jsmntok_t toks[])
{
size_t i;
const jsmntok_t *t;
u8 buf[BIGSIZE_MAX_LEN];
json_for_each_arr(i, t, toks) {
const jsmntok_t *bytes = json_get_member(json, t, "bytes");
u64 num;
const u8 *expect;
size_t len;
if (!json_to_u64(json, json_get_member(json, t, "value"),
&num))
abort();
expect = tal_hexdata(tmpctx, json + bytes->start,
bytes->end - bytes->start);
len = bigsize_put(buf, num);
assert(memeq(buf, len, expect, tal_bytelen(expect)));
}
}
int main(int argc, char *argv[])
{
char **lines, *json = NULL;
int test_count = 0;
common_setup(argv[0]);
lines = tal_strsplit(tmpctx, grab_file(tmpctx, tal_fmt(tmpctx, "%s.c",
argv[0])),
"\n", STR_NO_EMPTY);
for (size_t i = 0; lines[i]; i++) {
const char *l = lines[i];
if (!strstarts(l, " * "))
continue;
l += 3;
if (streq(l, "```json"))
json = tal_strdup(tmpctx, "");
else if (streq(l, "```")) {
jsmn_parser parser;
jsmntok_t toks[500];
jsmn_init(&parser);
if (jsmn_parse(&parser, json, strlen(json),
toks, ARRAY_SIZE(toks)) < 0)
abort();
switch (test_count) {
case 0:
test_decode(json, toks);
break;
case 1:
test_encode(json, toks);
break;
default:
abort();
}
test_count++;
json = NULL;
} else if (json)
tal_append_fmt(&json, "%s", l);
}
assert(test_count == 2);
common_shutdown();
}
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