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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script>
ok(
SpecialPowers.getBoolPref("dom.webgpu.enabled"),
"Pref should be enabled."
);
const originalNavigatorGpu = navigator.gpu;
const BAD_GPU_VAL = "ohcrapthisisbad";
ok(
navigator.gpu !== BAD_GPU_VAL,
"`navigator.gpu` should never equal `BAD_GPU_VAL` (before replacement attempt)"
);
navigator.gpu = BAD_GPU_VAL;
ok(
navigator.gpu !== BAD_GPU_VAL,
"`navigator.gpu` should never equal `BAD_GPU_VAL` (after replacement attempt)"
);
ok(
navigator.gpu === originalNavigatorGpu,
"`navigator.gpu` should equal originally observed value after attempted replacement"
);
</script>
</body>
</html>
|
