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Unified Diff: third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode.html

Issue 2769823002: Add decode() functionality to image elements. (Closed)
Patch Set: update Created 3 years, 9 months ago
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Index: third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode.html
diff --git a/third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode.html b/third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode.html
new file mode 100644
index 0000000000000000000000000000000000000000..b40ac354186033ee36d27b45293f155fb319801b
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/external/wpt/image-decodes/image-decode.html
@@ -0,0 +1,213 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<meta name="timeout" content="long">
+<title>img.decode()</title>
+<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
+<link rel=help href="">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+
+<script>
+"use strict";
+
+// src tests
+// -------------------
+// Basic src png decode success test.
+promise_test(function() {
domenic 2017/03/27 10:24:20 These test messages and/or the comments above each
+ var message = "PNG Image must be decoded with undefined.";
+
+ var img = new Image();
+ img.src = "/images/green.png";
+ return img.decode().then(function(arg) {
+ assert_equals(arg, undefined, message);
+ });
+});
+
+// Basic src svg decode success test.
+promise_test(function() {
+ var message = "SVG Image must be decoded with undefined.";
+
+ var img = new Image();
+ img.src = "/images/green.svg";
+ return img.decode().then(function(arg) {
+ assert_equals(arg, undefined, message);
+ });
+});
+
+// Non existent path failure.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/non/existent/path.png";
+ var promise = img.decode();
+ return promise_rejects(t, "EncodingError", promise);
+});
+
+// src-less decode failure.
+promise_test(function(t) {
+ var img = new Image();
+ var promise = img.decode();
+ return promise_rejects(t, "EncodingError", promise);
+});
+
+// src changes causes a decode failure.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/images/green.png";
+ var promise = img.decode();
+ img.src = "/images/green.svg";
+ return promise_rejects(t, "EncodingError", promise);
+});
+
+// src changes causes a decode failure, following good decodes succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/images/green.png";
+ var first_promise = img.decode();
+ img.src = "/images/green.svg";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ promise_rejects(t, "EncodingError", first_promise),
+ second_promise
+ ]);
+});
+
+// src changes causes a decode failure, following bad decodes also fail.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/images/green.png";
+ var first_promise = img.decode();
+ img.src = "/non/existent/path.png";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ promise_rejects(t, "EncodingError", first_promise),
+ promise_rejects(t, "EncodingError", second_promise)
+ ]);
+});
+
+// src changes to the same path succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/images/green.png";
+ var first_promise = img.decode();
+ img.src = "/images/green.png";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ first_promise,
+ second_promise
+ ]);
+});
+
+// Multiple decodes all succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.src = "/images/green.png";
+ var first_promise = img.decode();
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ first_promise,
+ second_promise
+ ]);
+});
+
+// srcset tests
+// -------------------
+// Basic srcset png decode success test.
+promise_test(function() {
+ var message = "PNG Image must be decoded with undefined.";
+
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ return img.decode().then(function(arg) {
+ assert_equals(arg, undefined, message);
+ });
+});
+
+// Basic srcset svg decode success test.
+promise_test(function() {
+ var message = "SVG Image must be decoded with undefined.";
+
+ var img = new Image();
+ img.srcset = "/images/green.svg 100w";
+ return img.decode().then(function(arg) {
+ assert_equals(arg, undefined, message);
+ });
+});
+
+// Non existent path failure.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/non/existent/path.png 100w";
+ var promise = img.decode();
+ return promise_rejects(t, "EncodingError", promise);
+});
+
+// srcset changes causes a decode failure.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ var promise = img.decode();
+ img.srcset = "/images/green.svg 100w";
+ return promise_rejects(t, "EncodingError", promise);
+});
+
+// srcset changes causes a decode failure, following good decodes succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ var first_promise = img.decode();
+ img.srcset = "/images/green.svg 100w";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ promise_rejects(t, "EncodingError", first_promise),
+ second_promise
+ ]);
+});
+
+// srcset changes causes a decode failure, following bad decodes also fail.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ var first_promise = img.decode();
+ img.srcset = "/non/existent/path.png 100w";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ promise_rejects(t, "EncodingError", first_promise),
+ promise_rejects(t, "EncodingError", second_promise)
+ ]);
+});
+
+// srcset changes to the same path succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ var first_promise = img.decode();
+ img.srcset = "/images/green.png 100w";
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ first_promise,
+ second_promise
+ ]);
+});
+
+// Multiple decodes all succeed.
+promise_test(function(t) {
+ var img = new Image();
+ img.srcset = "/images/green.png 100w";
+ var first_promise = img.decode();
+ var second_promise = img.decode();
+ assert_true(first_promise !== second_promise);
+ return Promise.all([
+ first_promise,
+ second_promise
+ ]);
+});
+
+</script>
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