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/*
author: W3C http://www.w3.org/
help: http://www.w3.org/TR/navigation-timing/#sec-window.performance-attribute
*/
var performanceNamespace = window.performance;
var namespace_check = false;
function wp_test(func, msg, properties)
{
// only run the namespace check once
if (!namespace_check)
{
namespace_check = true;
if (performanceNamespace === undefined || performanceNamespace == null)
{
// show a single error that window.performance is undefined
// The window.performance attribute provides a hosting area for performance related attributes.
test(function() { assert_true(performanceNamespace !== undefined && performanceNamespace != null, "window.performance is defined and not null"); }, "window.performance is defined and not null.");
}
}
test(func, msg, properties);
}
function test_true(value, msg, properties)
{
wp_test(function () { assert_true(value, msg); }, msg, properties);
}
function test_equals(value, equals, msg, properties)
{
wp_test(function () { assert_equals(value, equals, msg); }, msg, properties);
}
// assert for every entry in `expectedEntries`, there is a matching entry _somewhere_ in `actualEntries`
function test_entries(actualEntries, expectedEntries) {
test_equals(actualEntries.length, expectedEntries.length)
expectedEntries.forEach(function (expectedEntry) {
var foundEntry = actualEntries.find(function (actualEntry) {
return typeof Object.keys(expectedEntry).find(function (key) {
return actualEntry[key] !== expectedEntry[key]
}) === 'undefined'
})
test_true(!!foundEntry, `Entry ${JSON.stringify(expectedEntry)} could not be found.`)
if (foundEntry) {
assert_object_equals(foundEntry.toJSON(), expectedEntry)
}
})
}
function delayedLoadListener(callback) {
window.addEventListener('load', function() {
// TODO(cvazac) Remove this setTimeout when spec enforces sync entries.
step_timeout(callback, 0)
})
}
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