// SPDX-FileCopyrightText: 2021 Florian Märkl <info@florianmaerkl.de>
// SPDX-License-Identifier: LGPL-3.0-only

#include <rz_core.h>
#include "minunit.h"

// --------------------------

static bool check_buffer(RzBuffer *b) {
	// match everything
	return true;
}

static bool load_buffer(RzBinFile *bf, RzBinObject *obj, RzBuffer *buf, Sdb *sdb) {
	return true;
}

static RzBinInfo *info(RzBinFile *bf) {
	RzBinInfo *ret = RZ_NEW0(RzBinInfo);
	if (!ret) {
		return NULL;
	}
	ret->file = strdup(bf->file);
	ret->has_va = 1;
	return ret;
}

static RzPVector *virtual_files(RzBinFile *bf) {
	RzPVector *ret = rz_pvector_new((RzPVectorFree)rz_bin_virtual_file_free);

	RzBinVirtualFile *vfile = RZ_NEW0(RzBinVirtualFile);
	vfile->name = strdup("vfile0");
	vfile->buf = rz_buf_new_with_bytes((const ut8 *)"\xc0\xff\xee", 3);
	vfile->buf_owned = true;
	rz_pvector_push(ret, vfile);

	vfile = RZ_NEW0(RzBinVirtualFile);
	vfile->name = strdup("vfile1");
	vfile->buf = rz_buf_new_with_bytes((const ut8 *)"rizin123", 8);
	vfile->buf_owned = true;
	rz_pvector_push(ret, vfile);

	return ret;
}

static RzPVector *maps(RzBinFile *bf) {
	RzPVector *ret = rz_pvector_new((RzPVectorFree)rz_bin_map_free);

	RzBinMap *map = RZ_NEW0(RzBinMap);
	map->name = strdup("direct map");
	map->paddr = 2;
	map->vaddr = 0x100;
	map->psize = 2;
	map->vsize = 2;
	map->perm = RZ_PERM_RX;
	rz_pvector_push(ret, map);

	map = RZ_NEW0(RzBinMap);
	map->name = strdup("direct map with zeroes");
	map->paddr = 2;
	map->vaddr = 0x200;
	map->psize = 2;
	map->vsize = 0x30;
	map->perm = RZ_PERM_R;
	rz_pvector_push(ret, map);

	map = RZ_NEW0(RzBinMap);
	map->name = strdup("vfile map");
	map->paddr = 4;
	map->vaddr = 0x300;
	map->psize = 4;
	map->vsize = 4;
	map->perm = RZ_PERM_RWX;
	map->vfile_name = strdup("vfile1");
	rz_pvector_push(ret, map);

	map = RZ_NEW0(RzBinMap);
	map->name = strdup("vfile map with zeroes");
	map->paddr = 0;
	map->vaddr = 0x400;
	map->psize = 3;
	map->vsize = 4;
	map->perm = RZ_PERM_R;
	map->vfile_name = strdup("vfile0");
	rz_pvector_push(ret, map);

	return ret;
}

RzBinPlugin mock_plugin = {
	.name = "mock",
	.desc = "Testing Plugin",
	.license = "LGPL3",
	.load_buffer = load_buffer,
	.check_buffer = check_buffer,
	.virtual_files = &virtual_files,
	.maps = maps,
	.info = info,
};

// --------------------------

bool test_map(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");
	RzIOMap *map = rz_pvector_at(&core->io->maps, 4);
	mu_assert_streq(map->name, "mmap.vfile map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x403, "map addr");
	mu_assert_eq(map->itv.size, 1, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");
	RzCoreIOMapInfo *info = map->user;
	mu_assert_notnull(info, "map info");
	mu_assert_ptreq(info->cf, f, "map info corefile");
	mu_assert_eq(info->perm_orig, RZ_PERM_R, "map info perm");

	map = rz_pvector_at(&core->io->maps, 5);
	mu_assert_streq(map->name, "vmap.vfile map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x400, "map addr");
	mu_assert_eq(map->itv.size, 3, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");

	map = rz_pvector_at(&core->io->maps, 3);
	mu_assert_streq(map->name, "vmap.vfile map", "io map name");
	mu_assert_eq(map->delta, 4, "map delta");
	mu_assert_eq(map->itv.addr, 0x300, "map addr");
	mu_assert_eq(map->itv.size, 4, "map size");
	mu_assert_eq(map->perm, RZ_PERM_RWX, "io map perm");
	info = map->user;
	mu_assert_notnull(info, "map info");
	mu_assert_ptreq(info->cf, f, "map info corefile");
	mu_assert_eq(info->perm_orig, RZ_PERM_RWX, "map info perm");

	map = rz_pvector_at(&core->io->maps, 1);
	mu_assert_streq(map->name, "mmap.direct map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x202, "map addr");
	mu_assert_eq(map->itv.size, 0x2e, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");
	info = map->user;
	mu_assert_notnull(info, "map info");
	mu_assert_ptreq(info->cf, f, "map info corefile");
	mu_assert_eq(info->perm_orig, RZ_PERM_R, "map info perm");

	map = rz_pvector_at(&core->io->maps, 2);
	mu_assert_streq(map->name, "fmap.direct map with zeroes", "io map name");
	mu_assert_eq(map->delta, 2, "map delta");
	mu_assert_eq(map->itv.addr, 0x200, "map addr");
	mu_assert_eq(map->itv.size, 2, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");

	map = rz_pvector_at(&core->io->maps, 0);
	mu_assert_streq(map->name, "fmap.direct map", "io map name");
	mu_assert_eq(map->delta, 2, "map delta");
	mu_assert_eq(map->itv.addr, 0x100, "map addr");
	mu_assert_eq(map->itv.size, 2, "map size");
	mu_assert_eq(map->perm, RZ_PERM_RX, "io map perm");
	info = map->user;
	mu_assert_notnull(info, "map info");
	mu_assert_ptreq(info->cf, f, "map info corefile");
	mu_assert_eq(info->perm_orig, RZ_PERM_RX, "map info perm");

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0, buf, sizeof(buf));
	mu_assert_false(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xff\xff\xff\xff\xff\xff", 8, "unmapped read");
	r = rz_io_read_at_mapped(core->io, 0xfe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\x13\x37\xff\xff\xff\xff", 8, "direct map read");
	r = rz_io_read_at_mapped(core->io, 0x1fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\x13\x37\x00\x00\x00\x00", 8, "direct map read with zeroes");
	r = rz_io_read_at_mapped(core->io, 0x22e, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\x00\x00\xff\xff\xff\xff\xff\xff", 8, "direct map read with zeroes end");

	r = rz_io_read_at_mapped(core->io, 0x2fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xffn123\xff\xff", 8, "virtual file read");
	r = rz_io_read_at_mapped(core->io, 0x3fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xc0\xff\xee\x00\xff\xff", 8, "virtual file read");

	// first vfile mapped as readonly at 0x400, write should fail and change nothing
	RzBinVirtualFile *vf = rz_pvector_at(bf->o->vfiles, 0);
	ut8 red = rz_buf_read_at(vf->buf, 0, buf, 3);
	mu_assert_eq(red, 3, "pre-sanity check buf read size");
	mu_assert_memeq(buf, (const ut8 *)"\xc0\xff\xee", 3, "pre-sanity check buf contents");
	r = rz_io_write_at(core->io, 0x400, (const ut8 *)"zir", 3);
	mu_assert_false(r, "io write");
	r = rz_io_read_at_mapped(core->io, 0x3fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xc0\xff\xee\x00\xff\xff", 8, "virtual file read");
	red = rz_buf_read_at(vf->buf, 0, buf, 3);
	mu_assert_eq(red, 3, "buf read size");
	mu_assert_memeq(buf, (const ut8 *)"\xc0\xff\xee", 3, "nothing changed in buf");

	// second vfile mapped as rw at 0x300, write should succeed and change the buffer
	vf = rz_pvector_at(bf->o->vfiles, 1);
	red = rz_buf_read_at(vf->buf, 0, buf, 8);
	mu_assert_eq(red, 8, "pre-sanity check buf read size");
	mu_assert_memeq(buf, (const ut8 *)"rizin123", 8, "pre-sanity check buf contents");
	r = rz_io_write_at(core->io, 0x301, (const ut8 *)"izi", 3);
	mu_assert_true(r, "io write");
	r = rz_io_read_at_mapped(core->io, 0x2fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xffnizi\xff\xff", 8, "virtual file read");
	red = rz_buf_read_at(vf->buf, 0, buf, 8);
	mu_assert_eq(red, 8, "buf read size");
	mu_assert_memeq(buf, (const ut8 *)"rizinizi", 8, "buf written");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing a single RzCoreFile
bool test_cfile_close(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	mu_assert_ptreq(core->file, f, "current file");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 0, "no binfiles");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 1, "binfile loaded");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_ptreq(core->file, f, "current file");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");
	rz_core_file_close(f);
	mu_assert_null(core->file, "closed current file");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 0, "binfile deleted");

	// all maps related to the file, including zero-mmaps, should be closed
	mu_assert_eq(rz_pvector_len(&core->io->maps), 0, "io maps count");

	RzList *descs = rz_id_storage_list(core->io->files);
	mu_assert_true(rz_list_empty(descs), "no files left");
	rz_list_free(descs);

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0xfe, buf, sizeof(buf));
	mu_assert_false(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xff\xff\xff\xff\xff\xff", 8, "direct map read after close");
	r = rz_io_read_at_mapped(core->io, 0x22e, buf, sizeof(buf));
	mu_assert_false(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xff\xff\xff\xff\xff\xff", 8, "direct map read with zeroes end after close");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing an RzCoreFile when another one is present at the same time
bool test_cfile_close_multiple(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);

	RzCoreFile *f0 = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f0, "load core file");
	mu_assert_ptreq(core->file, f0, "current file");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 0, "no binfiles");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 1, "binfile loaded");

	RzCoreFile *f1 = rz_core_file_open(core, "hex://c0ffeec0ffee", RZ_PERM_R, 0);
	mu_assert_notnull(f1, "load another core file");
	mu_assert_ptreq(core->file, f1, "current file");
	r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 2, "binfile loaded");
	RzBinFile *bf1 = rz_bin_file_find_by_fd(core->bin, f1->fd);
	mu_assert_notnull(bf1, "binfile");

	mu_assert_ptreq(core->file, f1, "current file");
	mu_assert_eq(rz_list_length(core->files), 2, "core files count");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 2, "bin files count");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 12, "io maps count");

	rz_core_file_close(f0);
	mu_assert_ptreq(core->file, f1, "closed non-current file");
	mu_assert_eq(rz_pvector_len(&f1->extra_files), 4, "other file still has its extra file refs");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 1, "binfile loaded");
	mu_assert_true(rz_list_contains(core->bin->binfiles, bf1), "other binfile still there");

	// all maps related to the file, including zero-mmaps, should be closed
	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");
	RzList *descs = rz_id_storage_list(core->io->files);
	mu_assert_eq(rz_list_length(descs), 5, "files left");
	mu_assert_eq(rz_pvector_len(&f1->extra_files), 4, "remaining core file files");

	// f1 should still be alive and happy
	RzIODesc *desc = rz_io_desc_get(core->io, f1->fd);
	mu_assert_true(rz_list_contains(descs, desc), "remaining main file");
	mu_assert_true(rz_list_contains(descs, rz_pvector_at(&f1->extra_files, 0)), "remaining extra file");
	mu_assert_true(rz_list_contains(descs, rz_pvector_at(&f1->extra_files, 1)), "remaining extra file");
	mu_assert_true(rz_list_contains(descs, rz_pvector_at(&f1->extra_files, 2)), "remaining extra file");
	mu_assert_true(rz_list_contains(descs, rz_pvector_at(&f1->extra_files, 3)), "remaining extra file");
	rz_list_free(descs);

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0xfe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xee\xc0\xff\xff\xff\xff", 8, "direct map read");
	r = rz_io_read_at_mapped(core->io, 0x22e, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\x00\x00\xff\xff\xff\xff\xff\xff", 8, "direct map read with zeroes end");

	r = rz_io_read_at_mapped(core->io, 0x2fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xffn123\xff\xff", 8, "virtual file read");
	r = rz_io_read_at_mapped(core->io, 0x3fe, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xc0\xff\xee\x00\xff\xff", 8, "virtual file read");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing an RzCoreFile when the underlying mappings have been changed manually
bool test_cfile_close_manual_maps(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	mu_assert_ptreq(core->file, f, "current file");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_ptreq(core->file, f, "current file");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");

	RzIOMap *map0 = rz_io_map_get(core->io, 0x100);
	mu_assert_streq(map0->name, "fmap.direct map", "io map name");
	mu_assert_eq(map0->delta, 2, "map delta");
	mu_assert_eq(map0->itv.addr, 0x100, "map addr");
	mu_assert_eq(map0->itv.size, 2, "map size");
	mu_assert_eq(map0->perm, RZ_PERM_RX, "io map perm");

	RzIOMap *map1 = rz_io_map_get(core->io, 0x200);
	mu_assert_streq(map1->name, "fmap.direct map with zeroes", "io map name");
	mu_assert_eq(map1->delta, 2, "map delta");
	mu_assert_eq(map1->itv.addr, 0x200, "map addr");
	mu_assert_eq(map1->itv.size, 2, "map size");
	mu_assert_eq(map1->perm, RZ_PERM_R, "io map perm");

	RzIOMap *map2 = rz_io_map_get(core->io, 0x202);
	mu_assert_streq(map2->name, "mmap.direct map with zeroes", "io map name");
	mu_assert_eq(map2->delta, 0, "map delta");
	mu_assert_eq(map2->itv.addr, 0x202, "map addr");
	mu_assert_eq(map2->itv.size, 0x2e, "map size");
	mu_assert_eq(map2->perm, RZ_PERM_R, "io map perm");

	mu_assert_eq(rz_pvector_len(&f->extra_files), 4, "tracked extra file for mmaps and vfiles");
	mu_assert_eq(rz_pvector_len(&f->maps), 6, "tracked maps count");
	mu_assert_true(rz_pvector_contains(&f->maps, map0), "core file ref to map");
	mu_assert_true(rz_pvector_contains(&f->maps, map1), "core file ref to map");
	mu_assert_true(rz_pvector_contains(&f->maps, map2), "core file ref to map");

	// manually delete some of the maps
	rz_io_map_del(core->io, map1->id);
	mu_assert_eq(rz_pvector_len(&f->extra_files), 4, "tracked extra file for mmaps and vfiles");
	mu_assert_eq(rz_pvector_len(&f->maps), 5, "tracked maps count");
	mu_assert_true(rz_pvector_contains(&f->maps, map0), "core file ref to map");
	mu_assert_true(rz_pvector_contains(&f->maps, map2), "core file ref to map");
	rz_io_map_del(core->io, map2->id);
	mu_assert_eq(rz_pvector_len(&f->extra_files), 4, "tracked extra file for mmaps and vfiles");
	mu_assert_eq(rz_pvector_len(&f->maps), 4, "tracked maps count");
	mu_assert_true(rz_pvector_contains(&f->maps, map0), "core file ref to map");
	// and add a new one, unrelated to the core file
	RzIOMap *map3;
	RzIODesc *mdesc = rz_io_open_at(core->io, "hex://c0ffee", 0644, RZ_PERM_R, 0x8000, &map3);
	mu_assert_notnull(mdesc, "manual io file");
	mu_assert_eq(map3->itv.addr, 0x8000, "manual map addr");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 5, "io maps count");

	rz_core_file_close(f);
	mu_assert_null(core->file, "closed current file");

	// all maps related to the file, including zero-mmaps, should be closed, but not the ones we created manually
	mu_assert_eq(rz_pvector_len(&core->io->maps), 1, "io maps count");
	mu_assert_ptreq(rz_pvector_at(&core->io->maps, 0), map3, "remaining manual map");

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0x8000, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xc0\xff\xee\xff\xff\xff\xff\xff", 8, "untouched manual map");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing an RzCoreFile when the underlying fd has been closed manually
bool test_cfile_close_manual_fd(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	mu_assert_ptreq(core->file, f, "current file");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_ptreq(core->file, f, "current file");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");

	// manually close the low-level io fd
	rz_io_fd_close(core->io, f->fd);
	// io behavior: all maps directly from the fd are automatically closed with it
	// The zero-mmapped one stays because core is the one who tracks it
	mu_assert_eq(rz_pvector_len(&core->io->maps), 4, "io maps count");
	RzIOMap *map = rz_io_map_get(core->io, 0x202);
	mu_assert_streq(map->name, "mmap.direct map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x202, "map addr");
	mu_assert_eq(map->itv.size, 0x2e, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");
	map = rz_io_map_get(core->io, 0x403);
	mu_assert_streq(map->name, "mmap.vfile map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x403, "map addr");
	mu_assert_eq(map->itv.size, 1, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");
	map = rz_io_map_get(core->io, 0x400);
	mu_assert_streq(map->name, "vmap.vfile map with zeroes", "io map name");
	mu_assert_eq(map->delta, 0, "map delta");
	mu_assert_eq(map->itv.addr, 0x400, "map addr");
	mu_assert_eq(map->itv.size, 3, "map size");
	mu_assert_eq(map->perm, RZ_PERM_R, "io map perm");
	map = rz_io_map_get(core->io, 0x300);
	mu_assert_streq(map->name, "vmap.vfile map", "io map name");
	mu_assert_eq(map->delta, 4, "map delta");
	mu_assert_eq(map->itv.addr, 0x300, "map addr");
	mu_assert_eq(map->itv.size, 4, "map size");
	mu_assert_eq(map->perm, RZ_PERM_RWX, "io map perm");

	rz_core_file_close(f);
	mu_assert_null(core->file, "closed current file");

	// now everything should be gone
	mu_assert_eq(rz_pvector_len(&core->io->maps), 0, "io maps count");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing the core file when there have been additional vfile fds/maps created manually outside of it
bool test_cfile_close_manual_vfile_fd(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	mu_assert_ptreq(core->file, f, "current file");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");

	// the bf->id value should not be seen as a specification but it has to be consistent with the vfile uri below.
	mu_assert_eq(bf->id, 0, "binfile id");
	RzIOMap *map;
	RzIODesc *desc = rz_io_open_at(core->io, "vfile://0/vfile0", 0644, RZ_PERM_R, 0x8000, &map);
	mu_assert_notnull(desc, "vfile open");
	int vfd = desc->fd; // remember fd, desc should be freed later

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0x8000, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xc0\xff\xee\xff\xff\xff\xff\xff", 8, "manual vfile map read");

	rz_core_file_close(f);
	mu_assert_null(core->file, "closed current file");

	// now everything should be gone, including the vfile which indirectly pointed into the core file
	desc = rz_io_desc_get(core->io, vfd);
	mu_assert_null(desc, "vfile closed");
	mu_assert_eq(rz_pvector_len(&core->io->maps), 0, "io maps count");

	r = rz_io_read_at_mapped(core->io, 0x8000, buf, sizeof(buf));
	mu_assert_false(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xff\xff\xff\xff\xff\xff", 8, "manual vfile map read");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing the core file when there have been additional maps into its vfiles created manually outside of it
bool test_cfile_close_manual_vfile_map(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);
	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");
	mu_assert_ptreq(core->file, f, "current file");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	RzBinFile *bf = rz_bin_file_find_by_fd(core->bin, f->fd);
	mu_assert_notnull(bf, "binfile");
	mu_assert_streq(bf->o->plugin->name, "mock", "binfile with mock plugin");

	mu_assert_eq(rz_pvector_len(&core->io->maps), 6, "io maps count");

	mu_assert_eq(rz_pvector_len(&f->extra_files), 4, "extra files count");
	RzIODesc *desc = rz_pvector_at(&f->extra_files, 3);
	mu_assert_streq(desc->name, "vfile://0/vfile0", "vfile desc name");

	RzIOMap *map = rz_io_map_add(core->io, desc->fd, RZ_PERM_R, 0, 0x8000, 0x3);
	mu_assert_notnull(map, "map added");

	ut8 buf[8];
	r = rz_io_read_at_mapped(core->io, 0x8000, buf, sizeof(buf));
	mu_assert_true(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xc0\xff\xee\xff\xff\xff\xff\xff", 8, "manual vfile map read");

	rz_core_file_close(f);
	mu_assert_null(core->file, "closed current file");

	// now everything should be gone, including the vfile map which indirectly pointed into the core file's vfile fd
	mu_assert_eq(rz_pvector_len(&core->io->maps), 0, "io maps count");
	r = rz_io_read_at_mapped(core->io, 0x8000, buf, sizeof(buf));
	mu_assert_false(r, "io read");
	mu_assert_memeq(buf, (const ut8 *)"\xff\xff\xff\xff\xff\xff\xff\xff", 8, "manual vfile map read");

	rz_core_free(core);
	mu_end;
}

/// test behavior after closing an RzCoreFile with manual vfile maps added when another one is present at the same time
bool test_cfile_close_manual_cfile_map_multiple(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);

	RzCoreFile *f0 = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f0, "load core file");
	mu_assert_ptreq(core->file, f0, "current file");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 0, "no binfiles");
	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 1, "binfile loaded");
	mu_assert_eq(rz_pvector_len(&f0->binfiles), 1, "binfile in core file");
	RzBinFile *bf0 = rz_pvector_at(&f0->binfiles, 0);
	mu_assert_notnull(bf0, "binfile");
	mu_assert_eq(bf0->fd, f0->fd, "binfile fd");

	RzCoreFile *f1 = rz_core_file_open(core, "hex://c0ffeec0ffee", RZ_PERM_R, 0);
	mu_assert_notnull(f1, "load another core file");
	mu_assert_ptreq(core->file, f1, "current file");
	r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 2, "binfile loaded");
	mu_assert_eq(rz_pvector_len(&f1->binfiles), 1, "binfile in core file");
	RzBinFile *bf1 = rz_pvector_at(&f1->binfiles, 0);
	mu_assert_notnull(bf1, "binfile");
	mu_assert_eq(bf1->fd, f1->fd, "binfile fd");

	// the bf->id values should not be seen as a specification but it has to be consistent with the vfile uri below.
	mu_assert_eq(bf0->id, 0, "binfile id");
	mu_assert_eq(bf1->id, 1, "binfile id");
	RzIOMap *vmap0;
	RzIODesc *vdesc0 = rz_io_open_at(core->io, "vfile://0/vfile0", 0644, RZ_PERM_R, 0x8000, &vmap0);
	mu_assert_notnull(vdesc0, "vfile open");
	mu_assert_notnull(vmap0, "vfile mapped");
	RzIOMap *vmap1;
	RzIODesc *vdesc1 = rz_io_open_at(core->io, "vfile://1/vfile0", 0644, RZ_PERM_R, 0x9000, &vmap1);
	mu_assert_notnull(vdesc1, "vfile open");
	mu_assert_notnull(vmap1, "vfile mapped");
	int vfd0 = vdesc0->fd; // remember fds, desc should be freed later
	int vfd1 = vdesc1->fd;

	rz_core_file_close(f0);
	mu_assert_ptreq(core->file, f1, "closed non-current file");
	mu_assert_eq(rz_pvector_len(&f1->extra_files), 4, "other file still has its extra file refs");
	mu_assert_eq(rz_list_length(core->bin->binfiles), 1, "binfile loaded");
	mu_assert_true(rz_list_contains(core->bin->binfiles, bf1), "other binfile still there");

	vdesc0 = rz_io_desc_get(core->io, vfd0);
	mu_assert_null(vdesc0, "vdesc backed by closed binfile should be gone");
	vdesc1 = rz_io_desc_get(core->io, vfd1);
	mu_assert_notnull(vdesc1, "vdesc backed by unclosed binfile should be there");

	rz_core_free(core);
	mu_end;
}

bool test_bin_set_export_info(void) {
	RzCore *core = rz_core_new();
	rz_bin_plugin_add(core->bin, &mock_plugin);

	RzCoreFile *f = rz_core_file_open(core, "hex://424213374242", RZ_PERM_R, 0);
	mu_assert_notnull(f, "load core file");

	bool r = rz_core_bin_load(core, NULL, 0);
	mu_assert_true(r, "core bin load");

	RzBinFile *bf = rz_bin_cur(core->bin);
	Sdb *sdb = sdb_ns(bf->sdb, "info", 0);

	sdb_set(sdb, "my_item.offset", "0x200");
	sdb_set(sdb, "my_item.format", "test_struct");
	sdb_set(sdb, "my_item.size", "8");

	rz_core_bin_set_export_info(core);

	rz_flag_space_set(core->flags, "format");
	RzFlagItem *fi = rz_flag_get(core->flags, "my_item");
	mu_assert_notnull(fi, "flag 'my_item' should exist");
	mu_assert_eq(fi->offset, 0x200, "flag offset");
	mu_assert_eq(fi->size, 8, "flag size");

	rz_core_free(core);
	mu_end;
}

bool all_tests() {
	mu_run_test(test_map);
	mu_run_test(test_cfile_close);
	mu_run_test(test_cfile_close_multiple);
	mu_run_test(test_cfile_close_manual_maps);
	mu_run_test(test_cfile_close_manual_fd);
	mu_run_test(test_cfile_close_manual_vfile_fd);
	mu_run_test(test_cfile_close_manual_vfile_map);
	mu_run_test(test_cfile_close_manual_cfile_map_multiple);
	mu_run_test(test_bin_set_export_info);
	return tests_passed != tests_run;
}

mu_main(all_tests)