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/*:*
* ggaze — libjpeg-turbo progressive loader unit test (feature-gated)
*
* Tests the progressive JPEG path: loader_load_async with a progress callback
* fires the callback (low-res partial) and returns the full texture. Only
* compiled when libjpeg-turbo is found (HAVE_JPEG).
*
* Copyright (c) 2026 ggaze contributors
* SPDX-License-Identifier: GPL-3.0-or-later
*:*/
#include "loader/loader.h"
#include <gdk/gdk.h>
#include <gio/gio.h>
#include <glib.h>
static volatile int g_progress_fired = 0;
static GMainLoop *g_loop = NULL;
static GdkTexture *g_result = NULL;
static void
progress_cb(GdkTexture *p_partial, gpointer p_data) {
(void)p_partial;
(void)p_data;
g_atomic_int_set(&g_progress_fired, 1);
}
static void
finish_cb(GObject *p_src, GAsyncResult *p_res, gpointer p_data) {
(void)p_src;
(void)p_data;
GError *p_err = NULL;
g_result = loader_load_finish(p_res, &p_err);
g_assert_no_error(p_err);
g_main_loop_quit(g_loop);
}
static void
test_progressive_jpeg(void) {
const char *c_dir = g_getenv("GGAZE_FIXTURES_DIR");
g_assert_nonnull(c_dir);
char *c_path = g_build_filename(c_dir, "plain.jpg", NULL);
GFile *p_file = g_file_new_for_path(c_path);
g_free(c_path);
g_progress_fired = 0;
g_result = NULL;
g_loop = g_main_loop_new(NULL, FALSE);
loader_load_async(p_file, NULL, progress_cb, NULL, finish_cb, NULL);
g_main_loop_run(g_loop);
g_main_loop_unref(g_loop);
g_loop = NULL;
g_assert_nonnull(g_result);
g_assert_cmpint(gdk_texture_get_width(g_result), ==, 6);
g_assert_cmpint(gdk_texture_get_height(g_result), ==, 3);
g_assert_cmpint(g_atomic_int_get(&g_progress_fired), ==, 1);
g_object_unref(g_result);
g_object_unref(p_file);
}
static void
test_progressive_rotated(void) {
const char *c_dir = g_getenv("GGAZE_FIXTURES_DIR");
g_assert_nonnull(c_dir);
char *c_path = g_build_filename(c_dir, "rot6.jpg", NULL);
GFile *p_file = g_file_new_for_path(c_path);
g_free(c_path);
g_progress_fired = 0;
g_result = NULL;
g_loop = g_main_loop_new(NULL, FALSE);
loader_load_async(p_file, NULL, progress_cb, NULL, finish_cb, NULL);
g_main_loop_run(g_loop);
g_main_loop_unref(g_loop);
/* Full result via GdkPixbuf applies EXIF orientation → 4x8. */
g_assert_nonnull(g_result);
g_assert_cmpint(gdk_texture_get_width(g_result), ==, 4);
g_assert_cmpint(gdk_texture_get_height(g_result), ==, 8);
g_object_unref(g_result);
g_object_unref(p_file);
}
int
main(int i_argc, char **c_argv) {
g_test_init(&i_argc, &c_argv, NULL);
if (g_getenv("GGAZE_FIXTURES_DIR") == NULL) {
g_test_skip("GGAZE_FIXTURES_DIR unset");
return (g_test_run());
}
g_test_add_func("/loader/jpeg/progressive", test_progressive_jpeg);
g_test_add_func("/loader/jpeg/progressive_rotated",
test_progressive_rotated);
return (g_test_run());
}
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