Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

auto_tests/save_compatibility_test.c

@@ -0,0 +1,161 @@
+// Tests to make sure new save code is compatible with old save files
+
+#include "../testing/misc_tools.h"
+#include "../toxcore/tox.h"
+#include "auto_test_support.h"
+#include "check_compat.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LOADED_SAVE_FILE "../auto_tests/data/save.tox"
+
+// Information from the save file
+#define EXPECTED_NAME "name"
+#define EXPECTED_NAME_SIZE strlen(EXPECTED_NAME)
+#define EXPECTED_STATUS_MESSAGE "Hello World"
+#define EXPECTED_STATUS_MESSAGE_SIZE strlen(EXPECTED_STATUS_MESSAGE)
+#define EXPECTED_NUM_FRIENDS 1
+#define EXPECTED_NOSPAM "4C762C7D"
+#define EXPECTED_TOX_ID "B70E97D41F69B7F4C42A5BC7BD7A76B95B8030BE1B7C0E9E6FC19FC4ABEB195B4C762C7D800B"
+
+static size_t get_file_size(const char *save_path)
+{
+    FILE *const fp = fopen(save_path, "rb");
+
+    if (fp == nullptr) {
+        return 0;
+    }
+
+    fseek(fp, 0, SEEK_END);
+    const size_t size = ftell(fp);
+    fclose(fp);
+
+    return size;
+}
+
+static uint8_t *read_save(const char *save_path, size_t *length)
+{
+    const size_t size = get_file_size(save_path);
+
+    if (size == 0) {
+        return nullptr;
+    }
+
+    FILE *const fp = fopen(save_path, "rb");
+
+    if (!fp) {
+        return nullptr;
+    }
+
+    uint8_t *const data = (uint8_t *)malloc(size);
+
+    if (!data) {
+        fclose(fp);
+        return nullptr;
+    }
+
+    if (fread(data, size, 1, fp) != 1) {
+        free(data);
+        fclose(fp);
+        return nullptr;
+    }
+
+    *length = size;
+    fclose(fp);
+
+    return data;
+}
+
+static void test_save_compatibility(const char *save_path)
+{
+    struct Tox_Options options = {0};
+    tox_options_default(&options);
+
+    size_t size = 0;
+    uint8_t *save_data = read_save(save_path, &size);
+    ck_assert_msg(save_data != nullptr, "error while reading save file '%s'", save_path);
+
+    options.savedata_data = save_data;
+    options.savedata_length = size;
+    options.savedata_type = TOX_SAVEDATA_TYPE_TOX_SAVE;
+
+    size_t index = 0;
+    Tox_Err_New err;
+    Tox *tox = tox_new_log(&options, &err, &index);
+    ck_assert_msg(tox, "failed to create tox, error number: %d", err);
+
+    free(save_data);
+
+    const size_t name_size = tox_self_get_name_size(tox);
+    ck_assert_msg(name_size == EXPECTED_NAME_SIZE, "name sizes do not match expected %zu got %zu", EXPECTED_NAME_SIZE,
+                  name_size);
+
+    uint8_t *name = (uint8_t *)malloc(tox_self_get_name_size(tox));
+    ck_assert(name != nullptr);
+    tox_self_get_name(tox, name);
+    ck_assert_msg(strncmp((const char *)name, EXPECTED_NAME, name_size) == 0,
+                  "names do not match, expected %s got %s", EXPECTED_NAME, name);
+
+    const size_t status_message_size = tox_self_get_status_message_size(tox);
+    ck_assert_msg(status_message_size == EXPECTED_STATUS_MESSAGE_SIZE,
+                  "status message sizes do not match, expected %zu got %zu", EXPECTED_STATUS_MESSAGE_SIZE, status_message_size);
+
+    uint8_t *status_message = (uint8_t *)malloc(tox_self_get_status_message_size(tox));
+    ck_assert(status_message != nullptr);
+    tox_self_get_status_message(tox, status_message);
+    ck_assert_msg(strncmp((const char *)status_message, EXPECTED_STATUS_MESSAGE, status_message_size) == 0,
+                  "status messages do not match, expected %s got %s",
+                  EXPECTED_STATUS_MESSAGE, status_message);
+
+    const size_t num_friends = tox_self_get_friend_list_size(tox);
+    ck_assert_msg(num_friends == EXPECTED_NUM_FRIENDS,
+                  "number of friends do not match, expected %d got %zu",  EXPECTED_NUM_FRIENDS, num_friends);
+
+    const uint32_t nospam = tox_self_get_nospam(tox);
+    char nospam_str[TOX_NOSPAM_SIZE * 2 + 1];
+    const size_t length = snprintf(nospam_str, sizeof(nospam_str), "%08X", nospam);
+    nospam_str[length] = '\0';
+    ck_assert_msg(strcmp(nospam_str, EXPECTED_NOSPAM) == 0,
+                  "nospam does not match, expected %s got %s", EXPECTED_NOSPAM, nospam_str);
+
+    uint8_t tox_id[TOX_ADDRESS_SIZE];
+    char tox_id_str[TOX_ADDRESS_SIZE * 2 + 1] = {0};
+    tox_self_get_address(tox, tox_id);
+    to_hex(tox_id_str, tox_id, TOX_ADDRESS_SIZE);
+    ck_assert_msg(strncmp(tox_id_str, EXPECTED_TOX_ID, TOX_ADDRESS_SIZE * 2) == 0,
+                  "tox ids do not match, expected %s got %s", EXPECTED_TOX_ID, tox_id_str);
+
+    /* Giving the tox a chance to error on iterate due to corrupted loaded structures */
+    tox_iterate(tox, nullptr);
+
+    free(status_message);
+    free(name);
+    tox_kill(tox);
+}
+
+int main(int argc, char *argv[])
+{
+    char base_path[4096] = {0};
+
+    if (argc <= 1) {
+        const char *srcdir = getenv("srcdir");
+
+        if (srcdir == nullptr) {
+            srcdir = ".";
+        }
+
+        snprintf(base_path, sizeof(base_path), "%s", srcdir);
+    } else {
+        snprintf(base_path, sizeof(base_path), "%s", argv[1]);
+        base_path[strrchr(base_path, '/') - base_path] = '\0';
+    }
+
+    char save_path[4096 + sizeof(LOADED_SAVE_FILE)];
+    snprintf(save_path, sizeof(save_path), "%s/%s", base_path, LOADED_SAVE_FILE);
+
+    test_save_compatibility(save_path);
+
+    return 0;
+}