#!/bin/sh
# autopkgtest check: Build and run a program against GTK, to verify that the
# headers and pkg-config file are installed correctly
#
# Based on the equivalent test in gtk+3.0, originally by Martin Pitt.
# Copyright 2012 Canonical Ltd.
# Copyright 2019 Simon McVittie
# SPDX-License-Identifier: LGPL-2.0-or-later

set -e
set -u
set -x

WORKDIR=$(mktemp -d)
cleanup () {
    rm -fr "$WORKDIR"
}
trap cleanup 0 INT QUIT ABRT PIPE TERM
cd "$WORKDIR"

if [ -n "${DEB_HOST_GNU_TYPE:-}" ]; then
    CROSS_COMPILE="$DEB_HOST_GNU_TYPE-"
else
    CROSS_COMPILE=
fi

cat <<EOF > gtktest.c
#include <glib.h>
#include <gtk/gtk.h>

static gboolean
do_quit (gpointer user_data)
{
    gtk_main_quit ();
    return G_SOURCE_REMOVE;
}

int main(int argc, char **argv)
{
    GtkWidget *dialog;

    gtk_init (&argc, &argv);
    dialog = gtk_dialog_new_with_buttons ("Test dialog", NULL,
                                          GTK_DIALOG_MODAL,
                                          "OK", GTK_RESPONSE_ACCEPT,
                                          NULL);
    gtk_widget_show_all (dialog);
    g_timeout_add_seconds (1, do_quit, NULL);
    gtk_main();
    return 0;
}
EOF

# Deliberately word-splitting, that's how pkg-config works:
# shellcheck disable=SC2046
"${CROSS_COMPILE}gcc" -o gtktest gtktest.c $("${CROSS_COMPILE}pkgconf" --cflags --libs gtk+-2.0)
echo "build: OK"
[ -x gtktest ]
xvfb-run -a -s "-screen 0 1024x768x24" \
./gtktest
echo "run: OK"
