1 files changed, 59 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_versioncomparator.js b/xpcom/tests/unit/test_versioncomparator.js
new file mode 100644
index 000000000..35f8f6eee
--- /dev/null
+++ b/xpcom/tests/unit/test_versioncomparator.js
@@ -0,0 +1,59 @@
+// Versions to test listed in ascending order, none can be equal
+var comparisons = [
+  "0.9",
+  "0.9.1",
+  "1.0pre1",
+  "1.0pre2",
+  "1.0",
+  "1.1pre",
+  "1.1pre1a",
+  "1.1pre1",
+  "1.1pre10a",
+  "1.1pre10",
+  "1.1",
+  "1.1.0.1",
+  "1.1.1",
+  "1.1.*",
+  "1.*",
+  "2.0",
+  "2.1",
+  "3.0.-1",
+  "3.0"
+];
+
+// Every version in this list means the same version number
+var equality = [
+  "1.1pre",
+  "1.1pre0",
+  "1.0+"
+];
+
+function run_test()
+{
+  var vc = Components.classes["@mozilla.org/xpcom/version-comparator;1"]
+                     .getService(Components.interfaces.nsIVersionComparator);
+
+  for (var i = 0; i < comparisons.length; i++) {
+    for (var j = 0; j < comparisons.length; j++) {
+      var result = vc.compare(comparisons[i], comparisons[j]);
+      if (i == j) {
+        if (result != 0)
+          do_throw(comparisons[i] + " should be the same as itself");
+      }
+      else if (i < j) {
+        if (!(result < 0))
+          do_throw(comparisons[i] + " should be less than " + comparisons[j]);
+      }
+      else if (!(result > 0)) {
+        do_throw(comparisons[i] + " should be greater than " + comparisons[j]);
+      }
+    }
+  }
+
+  for (i = 0; i < equality.length; i++) {
+    for (j = 0; j < equality.length; j++) {
+      if (vc.compare(equality[i], equality[j]) != 0)
+        do_throw(equality[i] + " should equal " + equality[j]);
+    }
+  }
+}