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// Copyright 2026 David Robillard <d@drobilla.net>
// SPDX-License-Identifier: ISC
#undef NDEBUG
#include "forge_test_object.h"
#include "test_uri_map.h"
#include <lv2/atom/atom.h>
#include <lv2/atom/forge.h>
#include <lv2/urid/urid.h>
#include <serd/serd.h>
#include <sratom/sratom.h>
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#define NS_EG "http://example.org/"
#define USTR(s) ((const uint8_t*)(s))
typedef struct {
unsigned fail_on; ///< Index of statement/end to fail on
unsigned n_events; ///< Number of statements so far
} WriteContext;
static SerdStatus
on_statement(void* const handle,
const SerdStatementFlags flags,
const SerdNode* const graph,
const SerdNode* const subject,
const SerdNode* const predicate,
const SerdNode* const object,
const SerdNode* const object_datatype,
const SerdNode* const object_lang)
{
(void)flags;
(void)graph;
(void)subject;
(void)predicate;
(void)object;
(void)object_datatype;
(void)object_lang;
WriteContext* const ctx = (WriteContext*)handle;
return (ctx->n_events++ == ctx->fail_on) ? SERD_ERR_BAD_WRITE : SERD_SUCCESS;
}
static SerdStatus
on_end(void* const handle, const SerdNode* const node)
{
(void)handle;
(void)node;
WriteContext* const ctx = (WriteContext*)handle;
return (ctx->n_events++ == ctx->fail_on) ? SERD_ERR_BAD_WRITE : SERD_SUCCESS;
}
static void
check_turtle(Sratom* const sratom,
LV2_URID_Unmap* const unmap,
const LV2_Atom* const atom,
const char* const expected)
{
const SerdNode s = serd_node_from_string(SERD_URI, USTR(NS_EG "s"));
const SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_EG "p"));
char* const ttl = sratom_to_turtle(
sratom, unmap, NS_EG, &s, &p, atom->type, atom->size, LV2_ATOM_BODY(atom));
assert(ttl);
assert(!strcmp(ttl, expected));
free(ttl);
}
// Not covered by round-trip test because it comes back as a string
static void
test_bare_literal(void)
{
Uris uris = {NULL, 0};
LV2_URID_Map map = {&uris, urid_map};
LV2_URID_Unmap unmap = {&uris, urid_unmap};
Sratom* const sratom = sratom_new(&map);
LV2_Atom_Forge forge;
LV2_Atom buf[8];
lv2_atom_forge_init(&forge, &map);
lv2_atom_forge_set_buffer(&forge, (uint8_t*)buf, sizeof(buf));
lv2_atom_forge_literal(&forge, "test", 4, 0, 0);
check_turtle(sratom,
&unmap,
buf,
"<http://example.org/s>\n\t<http://example.org/p> \"test\" .\n");
sratom_free(sratom);
free_uris(&uris);
}
// Not covered by round-trip test because it comes back as a URID
static void
test_uri(void)
{
Uris uris = {NULL, 0};
LV2_URID_Map map = {&uris, urid_map};
LV2_URID_Unmap unmap = {&uris, urid_unmap};
Sratom* const sratom = sratom_new(&map);
LV2_Atom_Forge forge;
LV2_Atom buf[8];
lv2_atom_forge_init(&forge, &map);
lv2_atom_forge_set_buffer(&forge, (uint8_t*)buf, sizeof(buf));
lv2_atom_forge_uri(&forge, NS_EG "o", strlen(NS_EG "o"));
check_turtle(sratom,
&unmap,
buf,
"<http://example.org/s>\n\t<http://example.org/p> "
"<http://example.org/o> .\n");
sratom_free(sratom);
free_uris(&uris);
}
static void
test_bad_language(void)
{
Uris uris = {NULL, 0};
LV2_URID_Map map = {&uris, urid_map};
LV2_URID_Unmap unmap = {&uris, urid_unmap};
const LV2_URID lang = urid_map(&uris, NS_EG "l");
WriteContext ctx = {0, 0};
Sratom* const sratom = sratom_new(&map);
sratom_set_sink(sratom, NS_EG, on_statement, on_end, &ctx);
LV2_Atom_Forge forge;
LV2_Atom buf[8];
lv2_atom_forge_init(&forge, &map);
lv2_atom_forge_set_buffer(&forge, (uint8_t*)buf, sizeof(buf));
lv2_atom_forge_literal(&forge, "test", 4, 0, lang);
const SerdNode s = serd_node_from_string(SERD_URI, USTR(NS_EG "s"));
const SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_EG "p"));
const LV2_Atom* const obj = buf;
assert(
sratom_write(
sratom, &unmap, 0U, &s, &p, obj->type, obj->size, LV2_ATOM_BODY(obj)) ==
SERD_ERR_BAD_ARG);
assert(!ctx.n_events);
sratom_free(sratom);
free_uris(&uris);
}
static void
test_bad_vector_child_size(void)
{
Uris uris = {NULL, 0};
LV2_URID_Map map = {&uris, urid_map};
LV2_URID_Unmap unmap = {&uris, urid_unmap};
const LV2_URID atom_Int = map.map(map.handle, LV2_ATOM__Int);
const LV2_URID atom_Vector = map.map(map.handle, LV2_ATOM__Vector);
WriteContext ctx = {0, 0};
Sratom* const sratom = sratom_new(&map);
sratom_set_sink(sratom, NS_EG, on_statement, on_end, &ctx);
const SerdNode s = serd_node_from_string(SERD_URI, USTR(NS_EG "s"));
const SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_EG "p"));
const LV2_Atom_Vector vec = {{sizeof(LV2_Atom_Vector), atom_Vector},
{0U, atom_Int}};
assert(sratom_write(sratom,
&unmap,
0U,
&s,
&p,
vec.atom.type,
vec.atom.size,
LV2_ATOM_BODY(&vec)) == SERD_ERR_BAD_ARG);
assert(!ctx.n_events);
sratom_free(sratom);
free_uris(&uris);
}
static void
test_write_errors(void)
{
Uris uris = {NULL, 0};
LV2_URID_Map map = {&uris, urid_map};
LV2_URID_Unmap unmap = {&uris, urid_unmap};
WriteContext ctx = {0, 0};
Sratom* const sratom = sratom_new(&map);
sratom_set_sink(sratom, NS_EG, on_statement, on_end, &ctx);
LV2_Atom_Forge forge;
LV2_Atom buf[192];
lv2_atom_forge_init(&forge, &map);
lv2_atom_forge_set_buffer(&forge, (uint8_t*)buf, sizeof(buf));
forge_test_object(&forge, &map, &uris, 0U);
const SerdNode s = serd_node_from_string(SERD_URI, USTR(NS_EG "s"));
const SerdNode p = serd_node_from_string(SERD_URI, USTR(NS_EG "p"));
for (unsigned i = 0U; i < 157; ++i) {
ctx.fail_on = i;
ctx.n_events = 0;
const int st = sratom_write(
sratom, &unmap, 0U, &s, &p, buf->type, buf->size, LV2_ATOM_BODY(buf));
assert(st == SERD_ERR_BAD_WRITE);
assert(ctx.n_events == ctx.fail_on + 1U);
}
sratom_free(sratom);
free_uris(&uris);
}
int
main(void)
{
test_bare_literal();
test_uri();
test_bad_language();
test_bad_vector_child_size();
test_write_errors();
return 0;
}
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