third_party/WebKit/LayoutTests/external/wpt/preload/single-download-late-used-preload.html - Issue 2697453005: Import wpt@758b3b4cfa805067f36121333ba031e583d3a62c

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Issue 2697453005: Import wpt@758b3b4cfa805067f36121333ba031e583d3a62c (Closed)

Patch Set: Add -expected.txt files. Created 3 years, 10 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <title>Ensure preloaded resources are not downloaded again when used</title>	2 <title>Ensure preloaded resources are not downloaded again when used</title>

3 <script src="/resources/testharness.js"></script>	3 <script src="/resources/testharness.js"></script>

4 <script src="/resources/testharnessreport.js"></script>	4 <script src="/resources/testharnessreport.js"></script>

	5 <script src="/preload/resources/preload_helper.js"></script>

5 <link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image>	6 <link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image>

6 <script>	7 <script>

7 var link = document.getElementsByTagName("link")[0]	8 var link = document.getElementsByTagName("link")[0]

8 assert_equals(link.as, "image");	9 assert_equals(link.as, "image");

9 link.addEventListener("load", () => {	10 link.addEventListener("load", () => {

10 assert_equals(performance.getEntriesByType("resource").length, 3)	11 verifyPreloadAndRTSupport();

	12 verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);

11 var img = document.createElement("img");	13 var img = document.createElement("img");

12 img.src = "resources/square.png?pipe=trickle(d1)";	14 img.src = "resources/square.png?pipe=trickle(d1)";

13 img.onload = () => {	15 img.onload = () => {

14 assert_equals(performance.getEntriesByType("resource").length, 3);	16 verifyNumberOfDownloads("resources/square.png?pipe=trickle(d1)", 1);

15 done();	17 done();

16 };	18 };

17 document.body.appendChild(img);	19 document.body.appendChild(img);

18 });	20 });

19 </script>	21 </script>

20 <body>	22 <body>

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