1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc
new file mode 100644
index 0000000000..5e5642d491
--- /dev/null
+++ b/third_party/jpeg-xl/plugins/gdk-pixbuf/pixbufloader_test.cc
@@ -0,0 +1,41 @@
+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gdk/gdk.h>
+#include <glib.h>
+#include <stdlib.h>
+
+int main(int argc, char* argv[]) {
+  if (argc != 3) {
+    fprintf(stderr, "Usage: %s <loaders.cache> <image.jxl>\n", argv[0]);
+    return 1;
+  }
+
+  const char* loaders_cache = argv[1];
+  const char* filename = argv[2];
+  setenv("GDK_PIXBUF_MODULE_FILE", loaders_cache, true);
+
+  // XDG_DATA_HOME is the path where we look for the mime cache.
+  // XDG_DATA_DIRS directories are used in addition to XDG_DATA_HOME.
+  setenv("XDG_DATA_HOME", ".", true);
+  setenv("XDG_DATA_DIRS", "", true);
+
+  if (!gdk_init_check(nullptr, nullptr)) {
+    fprintf(stderr, "This test requires a DISPLAY\n");
+    // Signals ctest that we should mark this test as skipped.
+    return 254;
+  }
+  GError* error = nullptr;
+  GdkPixbuf* pb = gdk_pixbuf_new_from_file(filename, &error);
+  if (pb != nullptr) {
+    g_object_unref(pb);
+    return 0;
+  } else {
+    fprintf(stderr, "Error loading file: %s\n", filename);
+    g_assert_no_error(error);
+    return 1;
+  }
+}