gecko/xpcom/tests/unit/test_versioncomparator.js

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// 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]);
}
}
}