1 files changed, 28 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_systemInfo.js b/xpcom/tests/unit/test_systemInfo.js
new file mode 100644
index 0000000000..c25cf4b41a
--- /dev/null
+++ b/xpcom/tests/unit/test_systemInfo.js
@@ -0,0 +1,28 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+function run_test() {
+  const PROPERTIES = [
+    "name",
+    "arch",
+    "version",
+    "pagesize",
+    "pageshift",
+    "memmapalign",
+    "memsize",
+  ];
+  let sysInfo = Services.sysinfo;
+
+  PROPERTIES.forEach(function(aPropertyName) {
+    print("Testing property: " + aPropertyName);
+    let value = sysInfo.getProperty(aPropertyName);
+    Assert.ok(!!value);
+  });
+
+  // This property must exist, but its value might be zero.
+  print("Testing property: umask");
+  Assert.equal(typeof sysInfo.getProperty("umask"), "number");
+}