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-rw-r--r--xpcom/tests/unit/test_versioncomparator.js55
1 files changed, 55 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_versioncomparator.js b/xpcom/tests/unit/test_versioncomparator.js
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index 0000000000..5744d62721
--- /dev/null
+++ b/xpcom/tests/unit/test_versioncomparator.js
@@ -0,0 +1,55 @@
+// Versions to test listed in ascending order, none can be equal
+var comparisons = [
+ "pre",
+ // A number that is too large to be supported should be normalized to 0.
+ String(0x1f0000000),
+ "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() {
+ for (var i = 0; i < comparisons.length; i++) {
+ for (var j = 0; j < comparisons.length; j++) {
+ var result = Services.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 (Services.vc.compare(equality[i], equality[j]) != 0) {
+ do_throw(equality[i] + " should equal " + equality[j]);
+ }
+ }
+ }
+}