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Add toJSON tests for some perf APIs #18436

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Aug 15, 2019
Merged

Add toJSON tests for some perf APIs #18436

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47 changes: 47 additions & 0 deletions element-timing/toJSON.html
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Element Timing: toJSON</title>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/element-timing-helpers.js"></script>
<img elementtiming='img' src="resources/square100.png"/>
<script>
async_test(function (t) {
if (!window.PerformanceElementTiming) {
assert_unreached("PerformanceElementTiming is not implemented");
}
const observer = new PerformanceObserver(
t.step_func_done(function(entryList) {
assert_equals(entryList.getEntries().length, 1);
const entry = entryList.getEntries()[0];
assert_equals(typeof(entry.toJSON), 'function');
const json = entry.toJSON();
assert_equals(typeof(json), 'object');
const keys = [
// PerformanceEntry
'name',
'entryType',
'startTime',
'duration',
// PerformanceElementTiming
'renderTime',
'loadTime',
'intersectionRect',
'identifier',
'naturalWidth',
'naturalHeight',
'id',
'element',
'url',
];
for (const key of keys) {
assert_equals(json[key], entry[key],
'PerformanceElementTiming ${key} entry does not match its toJSON value');
}
})
);
observer.observe({type: 'element', buffered: true});
}, 'Test toJSON() in PerformanceElementTiming.');
</script>
</body>
43 changes: 43 additions & 0 deletions event-timing/toJSON.html
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Event Timing: toJSON</title>
<body>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src=resources/event-timing-test-utils.js></script>
<button id='button'>Generate a 'click' event</button>
<script>
async_test(function (t) {
if (!window.PerformanceEventTiming) {
assert_unreached("PerformanceEventTiming is not implemented");
}
const observer = new PerformanceObserver(
t.step_func_done(function(entryList) {
const entry = entryList.getEntries()[0];
assert_equals(typeof(entry.toJSON), 'function');
const json = entry.toJSON();
assert_equals(typeof(json), 'object');
const keys = [
// PerformanceEntry
'name',
'entryType',
'startTime',
'duration',
// PerformanceEventTiming
'processingStart',
'processingEnd',
'cancelable',
];
for (const key of keys) {
assert_equals(json[key], entry[key],
'PerformanceEventTiming ${key} entry does not match its toJSON value');
}
})
);
observer.observe({type: 'event'});
clickAndBlockMain('button');
}, 'Test toJSON() in PerformanceEventTiming.');
</script>
</body>
42 changes: 42 additions & 0 deletions largest-contentful-paint/toJSON.html
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Largest Contentful Paint: toJSON</title>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<p>Text!</p>
<script>
async_test(function (t) {
if (!window.LargestContentfulPaint) {
assert_unreached("LargestContentfulPaint is not implemented");
}
const observer = new PerformanceObserver(
t.step_func_done(function(entryList) {
const entry = entryList.getEntries()[0];
assert_equals(typeof(entry.toJSON), 'function');
const json = entry.toJSON();
assert_equals(typeof(json), 'object');
const keys = [
// PerformanceEntry
'name',
'entryType',
'startTime',
'duration',
// LargestContentfulPaint
'renderTime',
'loadTime',
'size',
'id',
'url',
'element',
];
for (const key of keys) {
assert_equals(json[key], entry[key],
'LargestContentfulPaint ${key} entry does not match its toJSON value');
}
})
);
observer.observe({type: 'largest-contentful-paint', buffered: true});
}, 'Test toJSON() in LargestContentfulPaint.');
</script>
</body>
42 changes: 42 additions & 0 deletions layout-instability/toJSON.html
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Layout Instability: toJSON</title>
<body>
<style>
#myDiv { position: relative; width: 300px; height: 100px; }
</style>
<div id='myDiv'></div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function (t) {
if (!window.LayoutShift)
assert_unreached('LayoutShift entries are not supported');
const observer = new PerformanceObserver(
t.step_func_done(function(entryList) {
const entry = entryList.getEntries()[0];
assert_equals(typeof(entry.toJSON), 'function');
const json = entry.toJSON();
assert_equals(typeof(json), 'object');
const keys = [
// PerformanceEntry
'name',
'entryType',
'startTime',
'duration',
// LayoutShift
'value',
'hadRecentInput',
'lastInputTime',
];
for (const key of keys) {
assert_equals(json[key], entry[key],
'LayoutShift ${key} entry does not match its toJSON value');
}
})
);
observer.observe({type: 'layout-shift'});
document.getElementById('myDiv').style = "top: 60px";
}, 'Test toJSON() in LayoutShift.');
</script>
</body>