[gjs] Add test for System.addressOf()

[Giovanni Campagna <gcampagna src gnome org>]

commit 4b5b21ba36ec880e083a187f1dd03eee81ab2bfe
Author: Pavel Vasin <rat4vier gmail com>
Date:   Tue Mar 5 10:42:28 2013 +0400

    Add test for System.addressOf()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695186

 Makefile-test.am      |    1 +
 test/js/testSystem.js |   13 +++++++++++++
 2 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/Makefile-test.am b/Makefile-test.am
index 11bb0a3..60beeab 100644
--- a/Makefile-test.am
+++ b/Makefile-test.am
@@ -177,6 +177,7 @@ EXTRA_DIST +=                                       \
        test/js/testLocale.js                   \
        test/js/testMainloop.js                 \
        test/js/testSignals.js                  \
+       test/js/testSystem.js                   \
        test/js/testTweener.js                  \
        test/js/testUnicode.js                  \
        test/run-with-dbus                      \
diff --git a/test/js/testSystem.js b/test/js/testSystem.js
new file mode 100644
index 0000000..c668c89
--- /dev/null
+++ b/test/js/testSystem.js
@@ -0,0 +1,13 @@
+// application/javascript;version=1.8
+
+const System = imports.system;
+
+function testAddressOf() {
+    let o1 = new Object();
+    let o2 = new Object();
+
+    assert(System.addressOf(o1) == System.addressOf(o1));
+    assert(System.addressOf(o1) != System.addressOf(o2));
+}
+
+gjstestRun();