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textMetricsTest: added exception text for FF 68

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Fixes #453
This commit is contained in:
kkapsner 2020-03-18 14:06:34 +01:00
parent a9c89ff20c
commit e7cef53bac
1 changed files with 3 additions and 2 deletions
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test/textMetricsTest.html
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@ -14,12 +14,13 @@
<body> <body>
<h1>TextMetrics test</h1> <h1>TextMetrics test</h1>
<h2>Expected result</h2> <h2>Expected result</h2>
<ul> <ol>
<li>the hashes are different to the hashes when CanvasBlocker is disabled</li> <li>the hashes are different to the hashes when CanvasBlocker is disabled</li>
<li>the number of differences stays the same when CanvasBlocker is disabled</li> <li>the number of differences stays the same when CanvasBlocker is disabled</li>
<li>if "refresh" is clicked nothing must change</li> <li>if "refresh" is clicked nothing must change</li>
<li>upon page reload the hashes change (depending on CanvasBlocker settings - e.g. not in the stealth preset)</li> <li>upon page reload the hashes change (depending on CanvasBlocker settings - e.g. not in the stealth preset)</li>
</ul> <li>Firefox 68 does only offer integer precision in TextMetrics and therefore less fingerprinting potential. CanvasBlocker only changes values if they are no integer and therefore point 1 and 4 are not true in Firefox 68.</li>
</ol>
<h2>Tests</h2> <h2>Tests</h2>
<div id="tests"> <div id="tests">
<div class="test" id="measureText"> <div class="test" id="measureText">