[gjs: 4/5] testGObjectClass: Verify that we properly sanitize the provided GType name

[Philip Chimento <pchimento src gnome org>]

commit e4d9ce68e2844c0335296f2866470583f96cfaa5
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Sun Sep 1 09:09:06 2019 +0200

    testGObjectClass: Verify that we properly sanitize the provided GType name

 installed-tests/js/testGObjectClass.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
---
diff --git a/installed-tests/js/testGObjectClass.js b/installed-tests/js/testGObjectClass.js
index f4bfafa7..a19cc43a 100644
--- a/installed-tests/js/testGObjectClass.js
+++ b/installed-tests/js/testGObjectClass.js
@@ -2,6 +2,7 @@
 imports.gi.versions.Gtk = '3.0';
 
 const Gio = imports.gi.Gio;
+const GLib = imports.gi.GLib;
 const GObject = imports.gi.GObject;
 const Gtk = imports.gi.Gtk;
 
@@ -522,4 +523,22 @@ describe('Register GType name', function () {
 
         expect(GtypeClass.$gtype.name).toEqual('GTypeTestManualName');
     });
+
+    it('sanitizes user provided class name', function () {
+        let gtypeName = 'GType$Test/WithLòt\'s of*bad§chars!';
+        let expectedSanitized = 'GType_Test_WithL_t_s_of_bad_chars_';
+
+        GLib.test_expect_message('Gjs', GLib.LogLevelFlags.LEVEL_WARNING,
+            `*RangeError: Provided GType name '${gtypeName}' is not valid; ` +
+            `automatically sanitized to '${expectedSanitized}'*`);
+
+        const GtypeClass = GObject.registerClass({
+            GTypeName: gtypeName,
+        }, class extends GObject.Object {});
+
+        GLib.test_assert_expected_messages_internal('Gjs', 'testGObjectClass.js', 0,
+            'testGObjectRegisterClassSanitize');
+
+        expect(GtypeClass.$gtype.name).toEqual(expectedSanitized);
+    });
 });