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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const URI =
"test/codemirror/codemirror.html";
add_task(async function test() {
requestLongerTimeout(3);
/*
* In devtools/client/shared/sourceeditor/test/codemirror/search_test.js there is a test
* multilineInsensitiveSlow which assumes an operation takes less than 100ms.
* With a precision of 100ms, if we get unlikely and begin execution towards the
* end of one spot (e.g. at 95 ms) we will clamp down, take (e.g.) 10ms to execute
* and it will appear to take 100ms.
*
* To avoid this, we hardcode to 2ms of precision.
*
* In theory we don't need to set the pref for all of CodeMirror, in practice
* it seems very difficult to set a pref for just one of the tests.
*/
await SpecialPowers.pushPrefEnv({
set: [
["privacy.reduceTimerPrecision", true],
["privacy.resistFingerprinting.reduceTimerPrecision.microseconds", 2000],
],
});
await runCodeMirrorTest(URI);
});