Index: third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/first-paint-bg-color.html |
diff --git a/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/first-paint-bg-color.html b/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/first-paint-bg-color.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f81620a401fafe417eb4f8d24e9d74211e610bf6 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/first-paint-bg-color.html |
@@ -0,0 +1,24 @@ |
+<!DOCTYPE html> |
+<head> |
+<title>Performance Paint Timing Test: FP due to background color</title> |
+</head> |
+<body> |
+ <script src="../../resources/testharness.js"></script> |
+ <script src="../../resources/testharnessreport.js"></script> |
+ <div id="main"></div> |
+</body> |
+<footer> |
+ <script> |
+ async_test(function (t) { |
+ document.body.style.backgroundColor = "#AA0000"; |
+ |
+ testRunner.capturePixelsAsyncThen(t.step_func_done(function() { |
+ const bufferedEntries = performance.getEntriesByType('paint'); |
+ assert_equals(bufferedEntries.length, 1, "FP should fire for background color, not FCP"); |
+ assert_equals(bufferedEntries[0].entryType, "paint"); |
+ assert_equals(bufferedEntries[0].name, "first-paint"); |
+ })); |
+ }, "First paint fires due to background color. No FCP"); |
+ </script> |
+<footer> |
+</html> |