lightning/common/test/run-softref.c

#include <assert.h>
#include <ccan/short_types/short_types.h>
#include <common/amount.h>
#include <common/setup.h>
#include <common/utils.h>
#include <stdio.h>
#include <wire/wire.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_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 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 */

struct objtype {
	char *c_softref, *c_softref2;
};

int main(int argc, char *argv[])
{
	const void *ctx = tal(NULL, char);
	struct objtype *o;
	char *c;

	common_setup(argv[0]);

	/* Simple test: freeing obj NULLs softref */
	o = tal(ctx, struct objtype);
	c = tal(ctx, char);
	set_softref(o, &o->c_softref, c);
	assert(o->c_softref == c);

	tal_free(c);
	assert(o->c_softref == NULL);\

	/* Duplicate ptrs work */
	o = tal(ctx, struct objtype);
	c = tal(ctx, char);
	set_softref(o, &o->c_softref, c);
	assert(o->c_softref == c);
	set_softref(o, &o->c_softref2, c);
	assert(o->c_softref2 == c);

	tal_free(c);
	assert(o->c_softref == NULL);
	assert(o->c_softref2 == NULL);

	/* Cleans up properly if o is freed first. */
	c = tal(ctx, char);
	set_softref(o, &o->c_softref, c);
	tal_free(o);
	tal_free(c);

	/* Setting to NULL works. */
	o = tal(ctx, struct objtype);
	c = tal(ctx, char);
	set_softref(o, &o->c_softref, c);
	assert(o->c_softref == c);
	clear_softref(o, &o->c_softref);
	assert(o->c_softref == NULL);

	/* Now it's not a softref, won't clear! */
	o->c_softref = c;
	tal_free(c);
	assert(o->c_softref == c);
	tal_free(o);

	tal_free(ctx);
	common_shutdown();
}