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// testharness file with ShadowRealm utilities to be imported inside ShadowRealm
/**
* Set up all properties on the ShadowRealm's global object that tests will
* expect to be present.
*
* @param {string} queryString - string to use as value for location.search,
* used for subsetting some tests
* @param {function} fetchAdaptor - a function that takes a resource URI and
* returns a function which itself takes a (resolve, reject) pair from the
* hosting realm, and calls resolve with the text result of fetching the
* resource, or reject with a string indicating the error that occurred
*/
globalThis.setShadowRealmGlobalProperties = function (queryString, fetchAdaptor) {
globalThis.fetch_json = (resource) => {
const executor = fetchAdaptor(resource);
return new Promise(executor).then((s) => JSON.parse(s));
};
// Used only by idlharness.js
globalThis.fetch_spec = (spec) => {
const resource = `/interfaces/${spec}.idl`;
const executor = fetchAdaptor(resource);
return new Promise(executor).then(
idl => ({ spec, idl }),
() => {
throw new IdlHarnessError(`Error fetching ${resource}.`);
});
}
globalThis.location = { search: queryString };
};
globalThis.GLOBAL = {
isWindow: function() { return false; },
isWorker: function() { return false; },
isShadowRealm: function() { return true; },
};
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