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Diffstat (limited to '')
-rw-r--r-- | dom/base/test/test_navigator_hardwareConcurrency.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/dom/base/test/test_navigator_hardwareConcurrency.html b/dom/base/test/test_navigator_hardwareConcurrency.html new file mode 100644 index 0000000000..9b201d4f31 --- /dev/null +++ b/dom/base/test/test_navigator_hardwareConcurrency.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <title>Test for Navigator.hardwareConcurrency</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <script type="application/javascript"> + "use strict"; + + function resistFingerprinting(value) { + return SpecialPowers.pushPrefEnv({"set": [["privacy.resistFingerprinting", value]]}); + } + + var x = navigator.hardwareConcurrency; + is(typeof x, "number", "hardwareConcurrency should be a number."); + ok(x > 0, "hardwareConcurrency should be greater than 0."); + + SimpleTest.waitForExplicitFinish(); + + resistFingerprinting(true).then(() => { + const y = navigator.hardwareConcurrency; + ok(y === 2, "hardwareConcurrency should always be 2 when we're resisting fingerprinting."); + + resistFingerprinting(false).then(() => { + const z = navigator.hardwareConcurrency; + ok(z === x, "hardwareConcurrency should be the same as before we were resisting fingerprinting."); + SimpleTest.finish(); + }); + }); + + </script> +</head> +<body> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +</pre> +</body> +</html> |