Diff
Modified: trunk/LayoutTests/imported/w3c/ChangeLog (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/ChangeLog 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/ChangeLog 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,62 @@
+2022-02-17 Noam Rosenthal <n...@webkit.org>
+
+ Resync web-platform-tests/paint-timing from upstream
+ https://bugs.webkit.org/show_bug.cgi?id=236717
+
+ Reviewed by Simon Fraser.
+
+ Resync to af3b9946eb6f0955360282176848af4be7e58304
+
+ * web-platform-tests/paint-timing/fcp-only/buffered-flag.window.html: Added.
+ * web-platform-tests/paint-timing/fcp-only/buffered-flag.window.js: Added.
+ * web-platform-tests/paint-timing/fcp-only/fcp-background-size.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-canvas-context-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-canvas-context.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-gradient-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-gradient.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-iframe-expected.txt: Added.
+ * web-platform-tests/paint-timing/fcp-only/fcp-iframe.html: Copied from LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html.
+ * web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-invisible-3d-rotate-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-transition-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-invisible-text-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-opacity-descendant-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-opacity-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-opacity.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-translate-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-display-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-opacity-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-text-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-visibility-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-svg-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-text-input-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-text-input.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-typographic-pseudo-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-video-frame-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-video-frame.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-video-poster-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-video-poster.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-whitespace-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-whitespace.html:
+ * web-platform-tests/paint-timing/fcp-only/fcp-with-rtl-expected.txt:
+ * web-platform-tests/paint-timing/fcp-only/fcp-with-rtl.html:
+ * web-platform-tests/paint-timing/fcp-only/svg-in-iframe-expected.txt: Added.
+ * web-platform-tests/paint-timing/fcp-only/svg-in-iframe.html: Added.
+ * web-platform-tests/paint-timing/resources/svg.html: Added.
+ * web-platform-tests/paint-timing/resources/utils.js:
+ (async assertFirstContentfulPaint.return.new.Promise):
+ (async assertFirstContentfulPaint):
+ (async test_fcp):
+
2022-02-17 Jon Lee <jon...@apple.com>
Unreviewed gardening. Add fuzzy data.
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window-expected.txt (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window-expected.txt (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,5 @@
+
+Harness Error (TIMEOUT), message = null
+
+TIMEOUT PerformanceObserver with buffered flag sees previous FCP entry. Test timed out
+
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.html (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.html (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1 @@
+<!-- This file is required for WebKit test infrastructure to run the templated test -->
\ No newline at end of file
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.js (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.js (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/buffered-flag.window.js 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,24 @@
+setup({"hide_test_state": true});
+async_test(t => {
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ // First observer creates a second one in the callback to ensure the entry has been dispatched
+ // by the time the second observer begins observing.
+ new PerformanceObserver(entries => {
+ const entry_seen = entries.getEntriesByName('first-contentful-paint').length > 0;
+ // Abort if we have not yet received the entry.
+ if (!entry_seen)
+ return;
+
+ // Second observer requires 'buffered: true' to see the entry.
+ new PerformanceObserver(t.step_func_done(list => {
+ const fcp = list.getEntriesByName('first-contentful-paint');
+ assert_equals(fcp.length, 1, 'Should have an fcp entry');
+ const entry = fcp[0];
+ assert_equals(entry.entryType, 'paint');
+ })).observe({'type': 'paint', buffered: true});
+ }).observe({'entryTypes': ['paint']});
+ // Trigger the first contentful paint entry.
+ const img = document.createElement("img");
+ img.src = ""
+ document.body.appendChild(img);
+}, "PerformanceObserver with buffered flag sees previous FCP entry.");
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to background size. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to background size. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-background-size.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -22,7 +22,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires due to background size.");
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to background size.", load_image);
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to background image in image-set. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to background image in image-set. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-set.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -20,7 +20,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires due to background image in image-set.");
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to background image in image-set.", load_image);
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires for background image only when visible. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires for background image only when visible. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-bg-image-two-steps.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -27,7 +27,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires for background image only when visible.");
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires for background image only when visible.", load_image);
</script>
</body>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL Canvas should count as contentful when context is created promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Canvas should count as contentful when context is created
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-canvas-context.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -8,8 +8,9 @@
<script src=""
<canvas id="canvas" width="50" height="50"></canvas>
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
const canvas = document.getElementById('canvas');
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL Gradients should not count as contentful promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Gradients should not count as contentful
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-gradient.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -15,8 +15,9 @@
<script src=""
<div id="main"></div>
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
}, 'Gradients should not count as contentful');
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe-expected.txt (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe-expected.txt (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,4 @@
+
+
+PASS Parent frame ignores paint-timing events fired from child image rendering.
+
Copied: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe.html (from rev 290079, trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html) (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe.html (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-iframe.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<head>
+ <title>
+ Performance Paint Timing Test: Not only the top level document, paints
+ in the iframe should also generate the entry
+ </title>
+</head>
+<body>
+<script src=""
+<script src=""
+<script src=""
+<script>
+setup({"hide_test_state": true});
+async_test(function (t) {
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ window.addEventListener('message', t.step_func(e => {
+ if (e.data.entryType == "paint" && e.data.name == "first-contentful-paint") {
+ t.done();
+ }
+ }));
+ const iframe = document.createElement('iframe');
+ iframe.src = '';
+ document.body.appendChild(iframe);
+}, 'Parent frame ignores paint-timing events fired from child image rendering.');
+</script>
+</body>
+</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-ignore-from-subframe.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -6,12 +6,13 @@
</title>
</head>
<body>
+<script src=""
<script src=""
<script src=""
-<script src=""
<script>
setup({"hide_test_state": true});
promise_test(async t => {
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
const iframe = document.createElement('iframe');
iframe.src = '';
document.body.appendChild(iframe);
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-3d-rotate-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-3d-rotate-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-3d-rotate-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
Text
-FAIL First contentful paint fires due to 3d rotation into view. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to 3d rotation into view.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to scale becoming positive. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to scale becoming positive. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-transition-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-transition-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale-transition-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
TEXT
-FAIL First contentful paint fires when revealed during transition. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires when revealed during transition.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-scale.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -24,7 +24,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires due to scale becoming positive.")
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to scale becoming positive.", load_image)
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-text-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-text-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-invisible-text-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,6 @@
+INVISIBLE
-FAIL First contentful paint fires due to pseudo-element becoming visible. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to pseudo-element becoming visible. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-descendant-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-descendant-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-descendant-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
Text
-FAIL First contentful paint fires due to its ancestor getting positive opacity. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to its ancestor getting positive opacity.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to opacity-revealed element. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to opacity-revealed element. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-opacity.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -24,7 +24,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires due to opacity-revealed element.");
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to opacity-revealed element.", load_image);
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to intersection with document. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to intersection with document. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-translate-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-translate-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds-translate-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to transform-based intersection with document. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to transform-based intersection with document. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-out-of-bounds.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -23,7 +23,17 @@
<script src=""
<div id="main"></div>
<script>
- test_fcp("First contentful paint fires due to intersection with document.")
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to intersection with document.", load_image)
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-display-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-display-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-display-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL First contentful paint fires due to pseudo-element text. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to pseudo-element text.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL First contentful paint fires due to pseudo-element image. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to pseudo-element image.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-image.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -21,7 +21,17 @@
<div id="main">
</div>
<script>
- test_fcp("First contentful paint fires due to pseudo-element image.")
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("First contentful paint fires due to pseudo-element image.", load_image)
</script>
</body>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-opacity-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-opacity-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-opacity-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL First contentful paint fires due to pseudo-element getting positive opacity. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to pseudo-element getting positive opacity.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-text-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-text-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-text-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL First contentful paint fires due to pseudo-element text. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires due to pseudo-element text.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-visibility-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-visibility-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-pseudo-element-visibility-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,5 @@
-FAIL First contentful paint fires due to pseudo-element becoming visible. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+Harness Error (TIMEOUT), message = null
+TIMEOUT First contentful paint fires due to pseudo-element becoming visible. Test timed out
+
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-svg-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-svg-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-svg-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,3 @@
-FAIL First contentful paint fires when SVG becomes contentful. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires when SVG becomes contentful.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
-FAIL Text input should become contentful when its value is non-empty promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Text input should become contentful when its value is non-empty
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-text-input.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -8,8 +8,9 @@
<script src=""
<input id="input" type="text" />
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
const input = document.getElementById('input');
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-typographic-pseudo-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-typographic-pseudo-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-typographic-pseudo-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
A
-FAIL First contentful paint fires only when some of the text is visible, considering ::first-letter. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS First contentful paint fires only when some of the text is visible, considering ::first-letter.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
-FAIL Video should become contentful when first frame is loaded promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Video should become contentful when first frame is loaded
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-frame.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -6,15 +6,17 @@
<script src=""
<script src=""
<script src=""
+<script src=""
<video id="video" autoplay></video>
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
// Set actual video content to trigger FCP.
const video = document.getElementById('video');
- video.setAttribute('src', '/media/test.mp4');
+ video.src = ""
await new Promise(resolve => {
video._oncanplay_ = resolve;
});
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
-FAIL Video should become contentful when poster is loaded promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Video should become contentful when poster is loaded
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-video-poster.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -8,8 +8,9 @@
<script src=""
<video id="video" width="50" height="50"></video>
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
const video = document.getElementById('video');
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,3 +1,4 @@
+TEXT
-FAIL Whitespace should not count as contentful. promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS Whitespace should not count as contentful.
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-whitespace.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -29,7 +29,17 @@
<div id="text">TEXT</div>
</div>
<script>
- test_fcp("Whitespace should not count as contentful.")
+ // Load the image into memory first to make sure it's decoded.
+ function load_image() {
+ const img = document.createElement("img");
+ img.src = ""
+
+ return new Promise(resolve => {
+ img._onload_ = async () => resolve();
+ });
+ }
+
+ test_fcp("Whitespace should not count as contentful.", load_image)
</script>
</body>
</html>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl-expected.txt (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl-expected.txt 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -1,4 +1,4 @@
TEXT
-FAIL FCP should fire when coordinates are negative, if within document scrollable area promise_test: Unhandled rejection with value: object "ReferenceError: Can't find variable: assert_precondition"
+PASS FCP should fire when coordinates are negative, if within document scrollable area
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl.html (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl.html 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/fcp-with-rtl.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -10,15 +10,6 @@
body {
direction: rtl;
}
-
- #dummy {
- background: yellow;
- width: 10px;
- height: 10px;
- position: absolute;
- left: 0;
- top: 0;
- }
</style>
</head>
<body>
@@ -25,15 +16,14 @@
<script src=""
<script src=""
<script src=""
-<div id="dummy"></div>
<div id="text">TEXT</div>
<script>
+ setup({"hide_test_state": true});
promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
document.body.style.direction = 'ltr'
- document.getElementById('dummy').style.background = ''
await assertFirstContentfulPaint(t);
}, 'FCP should fire when coordinates are negative, if within document scrollable area');
</script>
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe-expected.txt (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe-expected.txt (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe-expected.txt 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,6 @@
+
+
+Harness Error (TIMEOUT), message = null
+
+TIMEOUT SVG in an iframe does not trigger FCP in the main frame Test timed out
+
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe.html (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe.html (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/fcp-only/svg-in-iframe.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<title>Performance Paint Timing Test: SVG in iframe does not trigger FCP</title>
+<script src=""
+<script src=""
+<script src=""
+<iframe src=""
+<script>
+ promise_test(async (t) => {
+ await new Promise(resolve => {
+ window.addEventListener("message", resolve);
+ });
+ return assertNoFirstContentfulPaint(t);
+ }, "SVG in an iframe does not trigger FCP in the main frame");
+</script>
Added: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/svg.html (0 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/svg.html (rev 0)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/svg.html 2022-02-17 23:13:23 UTC (rev 290080)
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<div id="main">
+ <svg viewBox="0 0 10 10">
+ <defs>
+ <circle id="myCircle" cx="5" cy="5" r="4" stroke="blue" />
+ </defs>
+ <use id="circle" href="" fill="green" />
+ </svg>
+</div>
+<script>
+ const observer = new PerformanceObserver(list => {
+ const fcp = list.getEntriesByName("first-contentful-paint");
+ if (!fcp.length)
+ return;
+
+ // Message the parent when FCP has been reached.
+ parent.postMessage("GotFCP", '*');
+ });
+ observer.observe({ type: "paint", buffered: true });
+</script>
Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/utils.js (290079 => 290080)
--- trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/utils.js 2022-02-17 22:58:31 UTC (rev 290079)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/paint-timing/resources/utils.js 2022-02-17 23:13:23 UTC (rev 290080)
@@ -25,7 +25,7 @@
if (performance.getEntriesByName('first-contentful-paint').length === 1) {
resolve();
} else {
- requestAnimationFrame(checkFCP)
+ t.step_timeout(checkFCP, 0);
}
}
t.step(checkFCP);
@@ -32,16 +32,20 @@
});
}
-async function test_fcp(label) {
+async function test_fcp(label, before_assert_fcp_func) {
+ setup({"hide_test_state": true});
const style = document.createElement('style');
document.head.appendChild(style);
await promise_test(async t => {
- assert_precondition(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
const main = document.getElementById('main');
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
main.className = 'preFCP';
await assertNoFirstContentfulPaint(t);
+ if (before_assert_fcp_func) {
+ await before_assert_fcp_func();
+ }
main.className = 'contentful';
await assertFirstContentfulPaint(t);
}, label);
