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Automatic update from web-platform-testsFetch: Object.prototype shouldn't interfere with fetch streams Test that setting Object.prototype.start to a function that throws doesn't interfere with fetch operations that create a stream. Similarly, verify that setting throwing accessors for 'type', 'size', and 'highWaterMark' doesn't cause problems. See https://github.com/whatwg/fetch/pull/781 for background. -- wpt-commits: ba582388f4506ea2c8341dac4d8ce6e5eb39871b wpt-pr: 12350
54 lines
2.1 KiB
JavaScript
54 lines
2.1 KiB
JavaScript
// META: global=worker
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// These tests verify that stream creation is not affected by changes to
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// Object.prototype.
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const creationCases = {
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fetch: async () => fetch(location.href),
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request: () => new Request(location.href, {method: 'POST', body: 'hi'}),
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response: () => new Response('bye'),
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consumeEmptyResponse: () => new Response().text(),
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consumeNonEmptyResponse: () => new Response(new Uint8Array([64])).text(),
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consumeEmptyRequest: () => new Request(location.href).text(),
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consumeNonEmptyRequest: () => new Request(location.href,
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{method: 'POST', body: 'yes'}).arrayBuffer(),
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};
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for (creationCase of Object.keys(creationCases)) {
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for (accessorName of ['start', 'type', 'size', 'highWaterMark']) {
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promise_test(async t => {
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Object.defineProperty(Object.prototype, accessorName, {
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get() { throw Error(`Object.prototype.${accessorName} was accessed`); },
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configurable: true
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});
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t.add_cleanup(() => {
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delete Object.prototype[accessorName];
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return Promise.resolve();
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});
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await creationCases[creationCase]();
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}, `throwing Object.prototype.${accessorName} accessor should not affect ` +
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`stream creation by '${creationCase}'`);
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promise_test(async t => {
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// -1 is a convenient value which is invalid, and should cause the
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// constructor to throw, for all four fields.
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Object.prototype[accessorName] = -1;
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t.add_cleanup(() => {
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delete Object.prototype[accessorName];
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return Promise.resolve();
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});
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await creationCases[creationCase]();
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}, `Object.prototype.${accessorName} accessor returning invalid value ` +
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`should not affect stream creation by '${creationCase}'`);
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}
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promise_test(async t => {
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Object.prototype.start = controller => controller.error(new Error('start'));
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t.add_cleanup(() => {
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delete Object.prototype.start;
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return Promise.resolve();
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});
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await creationCases[creationCase]();
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}, `Object.prototype.start function which errors the stream should not ` +
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`affect stream creation by '${creationCase}'`);
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}
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