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'use strict';
/**
* Execute testharness.js and one or more scripts in an iframe. Report the
* results of the execution.
*
* @param {...function|...string} bodies - a function body. If specified as a
* function object, it will be
* serialized to a string using the
* built-in
* `Function.prototype.toString` prior
* to inclusion in the generated
* iframe.
*
* @returns {Promise} eventual value describing the result of the test
* execution; the summary object has two properties:
* `harness` (a string describing the harness status) and
* `tests` (an object whose "own" property names are the
* titles of the defined sub-tests and whose associated
* values are the subtest statuses).
*/
function makeTest(...bodies) {
const closeScript = '<' + '/script>';
let src = `
<!DOCTYPE HTML>
<html>
<head>
<title>Document title</title>
<script src="/resources/testharness.js?${Math.random()}">${closeScript}
</head>
<body>
<div id="log"></div>`;
bodies.forEach((body) => {
src += '<script>(' + body + ')();' + closeScript;
});
const iframe = document.createElement('iframe');
document.body.appendChild(iframe);
iframe.contentDocument.write(src);
return new Promise((resolve) => {
window.addEventListener('message', function onMessage(e) {
if (e.source !== iframe.contentWindow) {
return;
}
if (!e.data || e.data.type !=='complete') {
return;
}
window.removeEventListener('message', onMessage);
resolve(e.data);
});
iframe.contentDocument.close();
}).then(({ tests, status }) => {
const summary = {
harness: getEnumProp(status, status.status),
tests: {}
};
tests.forEach((test) => {
summary.tests[test.name] = getEnumProp(test, test.status);
});
return summary;
});
}
function getEnumProp(object, value) {
for (let property in object) {
if (!/^[A-Z]+$/.test(property)) {
continue;
}
if (object[property] === value) {
return property;
}
}
}
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