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Issue 2932593002:
Attempt 2: Update PaintTiming Web Perf APIs for FP & FCP to report swap time (Closed)
| Index: third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/basetest.html |
| diff --git a/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/basetest.html b/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/basetest.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..14ecaef9aab55ba77a04e427334dad8d0fad05f2 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/basetest.html |
| @@ -0,0 +1,36 @@ |
| +<!DOCTYPE html> |
| +<head> |
| +<title>Performance Paint Timing Test</title> |
| +</head> |
| +<body> |
| + <script src="../../resources/testharness.js"></script> |
| + <script src="../../resources/testharnessreport.js"></script> |
| + <div id="main"></div> |
| + |
| + <script> |
| + async_test(function(t) { |
| + testRunner.capturePixelsAsyncThen(t.step_func(function() { |
| + bufferedEntries = performance.getEntriesByType('paint'); |
| + assert_equals(bufferedEntries.length, 0, "No paint entries yet"); |
| + |
| + var div = document.createElement("div"); |
|
tdresser
2017/06/09 14:26:27
Should we use const/let in tests at this point?
panicker
2017/06/09 20:29:48
Done.
|
| + div.style.width = "100px"; |
| + div.style.height = "100px"; |
| + div.style.backgroundColor = "red"; |
| + div.style.color = "blue"; |
| + div.innerHTML = "test" |
| + document.getElementById("main").appendChild(div); |
| + |
| + testRunner.capturePixelsAsyncThen(t.step_func_done(function() { |
| + bufferedEntries = performance.getEntriesByType('paint'); |
| + assert_equals(bufferedEntries.length, 2, "FP and FCP."); |
| + assert_equals(bufferedEntries[0].entryType, "paint"); |
| + assert_equals(bufferedEntries[0].name, "first-paint"); |
| + assert_equals(bufferedEntries[1].entryType, "paint"); |
| + assert_equals(bufferedEntries[1].name, "first-contentful-paint"); |
| + })); |
| + })); |
| + }, "Basic test to check existence of FP and FCP."); |
| + </script> |
| +</body> |
| +</html> |
