forked from mirrors/gecko-dev
27 lines
1.1 KiB
JavaScript
27 lines
1.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* These tests ensure that capturing a sites's thumbnail, saving it and
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* retrieving it from the cache works, specifically for a parent process.
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*/
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add_task(async function thumbnails_capture() {
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// Create a parent process tab with a red background.
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// We do this by creating a parent process, then we update it to be a red page,
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// before attempting to read the page colour.
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await BrowserTestUtils.withNewTab(
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{
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gBrowser,
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// about:robots seems to be an simple parent process url we can test against,
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// but any parent process url would have worked, example, about:home or about:config
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url: "about:robots",
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},
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async browser => {
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// Because about:robots is not generally a predictable testable page,
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// we update its background to something we can test against.
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browser.contentDocument.body.innerHTML = "";
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browser.contentDocument.body.style.backgroundColor = "#ff0000";
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await captureAndCheckColor(255, 0, 0, "we have a red thumbnail");
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}
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);
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});
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