Commit d9951694 authored by Manuel Bucher's avatar Manuel Bucher
Browse files

Bug 1753730 - Test that the cached image from the early hint preload is used... 

Bug 1753730 - Test that the cached image from the early hint preload is used r=necko-reviewers,ckerschb,dragana,kershaw

* Test that the preloaded image is actually used and that no preload requests
  are made if the resource shouldn't be preloaded

Differential Revision: https://phabricator.services.mozilla.com/D139740
parent b01d2892

netwerk/test/browser/103_preload.html

+4 −24
Original line number Diff line number Diff line 
<head>

</head>

<!DOCTYPE html>

<html>

<body>

<script class="testbody" type="text/javascript">



function checkNumberOfLoads(shouldBe) {

  var numDownloads = 0;

  window.performance.getEntriesByName("http://example.com/browser/netwerk/test/browser/square.png").forEach(entry => {

    if (entry.transferSize > 0) {

      numDownloads++;

    }

  });

  window.parent.ok(numDownloads == shouldBe, "The number of downloads of square.png is not correct");

};



var img = document.createElement("img");

img.src = "http://example.com/browser/netwerk/test/browser/square.png";

img.addEventListener("load",() => {

  checkNumberOfLoads(1);

  window.parent.iframeTestCompleted();

});



document.body.appendChild(img);



</script>

<img src="http://example.com/browser/netwerk/test/browser/square.png" width="100px">

</body>

</html>

netwerk/test/browser/103_preload_csp_imgsrc_none.html

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+6 −0
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<!DOCTYPE html>

<html>

<body>

<img src="http://example.com/browser/netwerk/test/browser/early_hint_pixel.sjs?1ac2a5e1-90c7-4171-b0f0-676f7d899af3" width="100px">

</body>

</html>

netwerk/test/browser/103_preload_csp_imgsrc_none.html^headers^

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+2 −0
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Cache-Control: no-cache

Content-Security-Policy: img-src 'none'

netwerk/test/browser/103_preload_csp_imgsrc_none.html^informationalResponse^

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+2 −0
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HTTP 103 Too Early

Link: <http://example.com/browser/netwerk/test/browser/early_hint_pixel.sjs?1ac2a5e1-90c7-4171-b0f0-676f7d899af3>; rel=preload; as=image

netwerk/test/browser/103_preload_iframe.html

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+6 −0
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<!DOCTYPE html>

<html>

<body>

<iframe src="/browser/netwerk/test/browser/early_hint_main_html.sjs?early_hint_pixel.sjs=5ecccd01-dd3f-4bbd-bd3e-0491d7dd78a1" width="100px">

</body>

</html>