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0073c97150
New style GUIDs are 9 random bytes encoded with base64url, yielding 12 characters with 72 bits of entropy.
30 lines
1.0 KiB
JavaScript
30 lines
1.0 KiB
JavaScript
_("Make sure makeGUID makes guids of the right length/characters");
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Cu.import("resource://services-sync/util.js");
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const base64url =
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";
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function run_test() {
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_("Create a bunch of guids to make sure they don't conflict");
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let guids = [];
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for (let i = 0; i < 1000; i++) {
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let newGuid = Utils.makeGUID();
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_("Generated " + newGuid);
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// Verify that the GUID's length is correct, even when it's URL encoded.
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do_check_eq(newGuid.length, 12);
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do_check_eq(encodeURIComponent(newGuid).length, 12);
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// Verify that the GUID only contains base64url characters
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do_check_true(Array.every(newGuid, function(chr) {
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return base64url.indexOf(chr) != -1;
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}));
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// Verify uniqueness within our sample of 1000. This could cause random
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// failures, but they should be extremely rare. Otherwise we'd have a
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// problem with GUID collisions.
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do_check_true(guids.every(function(g) { return g != newGuid; }));
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guids.push(newGuid);
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}
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}
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