third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode-path-changes.html - Issue 2769823002: Add decode() functionality to image elements.

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Issue 2769823002: Add decode() functionality to image elements. (Closed)

Patch Set: rebase Created 3 years, 6 months ago

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	1 <!DOCTYPE html>

	2 <meta charset=utf-8>

	3 <meta name="timeout" content="long">

	4 <title>img.decode()</title>

	5 <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">

	6 <link rel=help href="">

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

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

	9 <div id="log"></div>

	10

	11 <script>

	12 "use strict";

	13

	14 // src tests

	15 // -------------------

	16 promise_test(function(t) {

	17 var img = new Image();

	18 img.src = "/images/green.png";

	19 var promise = img.decode();

	20 img.src = "/images/green.svg";

	21 return promise_rejects(t, "EncodingError", promise);

	22 }, "(src) Path changes fail decode.");

	23

	24 promise_test(function(t) {

	25 var img = new Image();

	26 img.src = "/images/green.png";

	27 var first_promise = img.decode();

	28 img.src = "/images/green.svg";

	29 var second_promise = img.decode();

	30 assert_true(first_promise !== second_promise);

	31 return Promise.all([

	32 promise_rejects(t, "EncodingError", first_promise),

	33 second_promise

	34 ]);

	35 }, "(src) Path changes fail decode; following good decode succeeds.");

	36

	37 promise_test(function(t) {

	38 var img = new Image();

	39 img.src = "/images/green.png";

	40 var first_promise = img.decode();

	41 img.src = "/non/existent/path.png";

	42 var second_promise = img.decode();

	43 assert_true(first_promise !== second_promise);

	44 return Promise.all([

	45 promise_rejects(t, "EncodingError", first_promise),

	46 promise_rejects(t, "EncodingError", second_promise)

	47 ]);

	48 }, "(src) Path changes fail decode; following bad decode fails.");

	49

	50 promise_test(function() {

	51 var img = new Image();

	52 img.src = "/images/green.png";

	53 var first_promise = img.decode();

	54 img.src = "/images/green.png";

	55 var second_promise = img.decode();

	56 assert_true(first_promise !== second_promise);

	57 return Promise.all([

	58 first_promise,

	59 second_promise

	60 ]);

	61 }, "(src) Path changes to the same path succeed.");

	62

	63 // srcset tests

	64 // -------------------

	65 promise_test(function(t) {

	66 var img = new Image();

	67 img.srcset = "/images/green.png 100w";

	68 var promise = img.decode();

	69 img.srcset = "/images/green.svg 100w";

	70 return promise_rejects(t, "EncodingError", promise);

	71 }, "(srcset) Path changes fail decode.");

	72

	73 promise_test(function(t) {

	74 var img = new Image();

	75 img.srcset = "/images/green.png 100w";

	76 var first_promise = img.decode();

	77 img.srcset = "/images/green.svg 100w";

	78 var second_promise = img.decode();

	79 assert_true(first_promise !== second_promise);

	80 return Promise.all([

	81 promise_rejects(t, "EncodingError", first_promise),

	82 second_promise

	83 ]);

	84 }, "(srcset) Path changes fail decode; following good decode succeeds.");

	85

	86 promise_test(function(t) {

	87 var img = new Image();

	88 img.srcset = "/images/green.png 100w";

	89 var first_promise = img.decode();

	90 img.srcset = "/non/existent/path.png 100w";

	91 var second_promise = img.decode();

	92 assert_true(first_promise !== second_promise);

	93 return Promise.all([

	94 promise_rejects(t, "EncodingError", first_promise),

	95 promise_rejects(t, "EncodingError", second_promise)

	96 ]);

	97 }, "(srcset) Path changes fail decode; following bad decode fails.");

	98

	99 promise_test(function() {

	100 var img = new Image();

	101 img.srcset = "/images/green.png 100w";

	102 var first_promise = img.decode();

	103 img.srcset = "/images/green.png 100w";

	104 var second_promise = img.decode();

	105 assert_true(first_promise !== second_promise);

	106 return Promise.all([

	107 first_promise,

	108 second_promise

	109 ]);

	110 }, "(srcset) Path changes to the same path succeed.");

	111

	112 </script>

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