[gjs: 1/4] Add test for the crash when GTK vfuncs are called on context destroy.

[Philip Chimento <pchimento src gnome org>]

commit 1a86e401d3cc905b168f7e5ed283fec967b09580
Author: Andrea Azzarone <andrea azzarone canonical com>
Date:   Tue Oct 23 00:33:30 2018 +0100

    Add test for the crash when GTK vfuncs are called on context destroy.

 installed-tests/scripts/testCommandLine.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/installed-tests/scripts/testCommandLine.sh b/installed-tests/scripts/testCommandLine.sh
index a3d8738c..f6ab5d9c 100755
--- a/installed-tests/scripts/testCommandLine.sh
+++ b/installed-tests/scripts/testCommandLine.sh
@@ -219,6 +219,21 @@ report "main program exceptions are not swallowed by queued promise jobs"
 $gjs -c 'new imports.gi.Gio.Subprocess({argv: ["true"]}).init(null);'
 report "object unref from other thread after shutdown should not race"
 
+# https://gitlab.gnome.org/GNOME/gjs/issues/212
+if test -n "$ENABLE_GTK"; then
+    $gjs -c 'imports.gi.versions.Gtk = "3.0";
+             const Gtk = imports.gi.Gtk;
+             const GObject = imports.gi.GObject;
+             Gtk.init(null);
+             let BadWidget = GObject.registerClass(class BadWidget extends Gtk.Widget {
+                vfunc_destroy() {};
+             });
+             let w = new BadWidget ();'
+    report "avoid crashing when GTK vfuncs are called on context destroy"
+else
+    skip "avoid crashing when GTK vfuncs are called on context destroy" "GTK disabled"
+fi
+
 rm -f exit.js help.js promise.js awaitcatch.js
 
 echo "1..$total"