third_party/WebKit/LayoutTests/external/wpt/preload/single_download_late_used_preload.html - Issue 2676573004: Import wpt@6010f54a979d242f657b284bae53c2b218c533f4

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Side by Side Diff: third_party/WebKit/LayoutTests/external/wpt/preload/single_download_late_used_preload.html

Issue 2676573004: Import wpt@6010f54a979d242f657b284bae53c2b218c533f4 (Closed)

Patch Set: Update test expectations and baselines. 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 <script src="/resources/testharness.js"></script>	3 <script src="/resources/testharness.js"></script>

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

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

4 <script>	6 <script>

5 var t = async_test('Makes sure that preloaded resources are not downloaded a gain when used');	7 var link = document.getElementsByTagName("link")[0]

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

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

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

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

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

	13 img.onload = () => {

	14 assert_equals(performance.getEntriesByType("resource").length, 3);

	15 done();

	16 };

	17 document.body.appendChild(img);

	18 });

6 </script>	19 </script>

7 <div id=result></div>	20 <body>

8 <link rel=preload href="resources/square.png" as=image>

9 <script>

10 window.addEventListener("load", t.step_func(function() {

11 t.step_timeout(function() {

12 document.getElementById("result").innerHTML = "<image src='resources /square.png'>";

13 t.step_timeout(function() {

14 assert_equals(performance.getEntriesByType("resource").length, 3 );

15 t.done();

16 }, 1000);

17 }, 1000);

18 }));

19 </script>

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