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296fa2512b
- Update CSS tests to revision e05bfd5e30ed662c2f8a353577003f8eed230180. - Update web-platform-tests to revision a052787dd5c069a340031011196b73affbd68cd9.
635 lines
20 KiB
JavaScript
635 lines
20 KiB
JavaScript
'use strict';
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// These tests can be run against any readable stream produced by the web platform that meets the given descriptions.
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// For readable stream tests, the factory should return the stream. For reader tests, the factory should return a
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// { stream, reader } object. (You can use this to vary the time at which you acquire a reader.)
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self.templatedRSEmpty = (label, factory) => {
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test(() => {}, 'Running templatedRSEmpty with ' + label);
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test(() => {
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const rs = factory();
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assert_equals(typeof rs.locked, 'boolean', 'has a boolean locked getter');
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assert_equals(typeof rs.cancel, 'function', 'has a cancel method');
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assert_equals(typeof rs.getReader, 'function', 'has a getReader method');
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assert_equals(typeof rs.pipeThrough, 'function', 'has a pipeThrough method');
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assert_equals(typeof rs.pipeTo, 'function', 'has a pipeTo method');
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assert_equals(typeof rs.tee, 'function', 'has a tee method');
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}, label + ': instances have the correct methods and properties');
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test(() => {
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const rs = factory();
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assert_throws(new RangeError(), () => rs.getReader({ mode: '' }), 'empty string mode should throw');
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assert_throws(new RangeError(), () => rs.getReader({ mode: null }), 'null mode should throw');
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assert_throws(new RangeError(), () => rs.getReader({ mode: 'asdf' }), 'asdf mode should throw');
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assert_throws(new TypeError(), () => rs.getReader(null), 'null should throw');
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}, label + ': calling getReader with invalid arguments should throw appropriate errors');
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};
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self.templatedRSClosed = (label, factory) => {
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test(() => {}, 'Running templatedRSClosed with ' + label);
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promise_test(() => {
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const rs = factory();
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const cancelPromise1 = rs.cancel();
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const cancelPromise2 = rs.cancel();
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assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');
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return Promise.all([
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cancelPromise1.then(v => assert_equals(v, undefined, 'first cancel() call should fulfill with undefined')),
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cancelPromise2.then(v => assert_equals(v, undefined, 'second cancel() call should fulfill with undefined'))
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]);
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}, label + ': cancel() should return a distinct fulfilled promise each time');
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test(() => {
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const rs = factory();
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assert_false(rs.locked, 'locked getter should return false');
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}, label + ': locked should be false');
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test(() => {
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const rs = factory();
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rs.getReader(); // getReader() should not throw.
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}, label + ': getReader() should be OK');
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test(() => {
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const rs = factory();
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const reader = rs.getReader();
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reader.releaseLock();
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const reader2 = rs.getReader(); // Getting a second reader should not throw.
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reader2.releaseLock();
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rs.getReader(); // Getting a third reader should not throw.
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}, label + ': should be able to acquire multiple readers if they are released in succession');
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test(() => {
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const rs = factory();
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rs.getReader();
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assert_throws(new TypeError(), () => rs.getReader(), 'getting a second reader should throw');
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assert_throws(new TypeError(), () => rs.getReader(), 'getting a third reader should throw');
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}, label + ': should not be able to acquire a second reader if we don\'t release the first one');
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};
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self.templatedRSErrored = (label, factory, error) => {
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test(() => {}, 'Running templatedRSErrored with ' + label);
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promise_test(t => {
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const rs = factory();
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const reader = rs.getReader();
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return Promise.all([
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promise_rejects(t, error, reader.closed),
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promise_rejects(t, error, reader.read())
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]);
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}, label + ': getReader() should return a reader that acts errored');
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promise_test(t => {
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const rs = factory();
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const reader = rs.getReader();
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return Promise.all([
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promise_rejects(t, error, reader.read()),
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promise_rejects(t, error, reader.read()),
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promise_rejects(t, error, reader.closed)
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]);
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}, label + ': read() twice should give the error each time');
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test(() => {
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const rs = factory();
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assert_false(rs.locked, 'locked getter should return false');
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}, label + ': locked should be false');
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};
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self.templatedRSErroredSyncOnly = (label, factory, error) => {
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test(() => {}, 'Running templatedRSErroredSyncOnly with ' + label);
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promise_test(t => {
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const rs = factory();
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rs.getReader().releaseLock();
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const reader = rs.getReader(); // Calling getReader() twice does not throw (the stream is not locked).
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return promise_rejects(t, error, reader.closed);
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}, label + ': should be able to obtain a second reader, with the correct closed promise');
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test(() => {
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const rs = factory();
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rs.getReader();
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assert_throws(new TypeError(), () => rs.getReader(), 'getting a second reader should throw a TypeError');
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assert_throws(new TypeError(), () => rs.getReader(), 'getting a third reader should throw a TypeError');
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}, label + ': should not be able to obtain additional readers if we don\'t release the first lock');
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promise_test(t => {
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const rs = factory();
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const cancelPromise1 = rs.cancel();
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const cancelPromise2 = rs.cancel();
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assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');
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return Promise.all([
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promise_rejects(t, error, cancelPromise1),
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promise_rejects(t, error, cancelPromise2)
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]);
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}, label + ': cancel() should return a distinct rejected promise each time');
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promise_test(t => {
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const rs = factory();
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const reader = rs.getReader();
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const cancelPromise1 = reader.cancel();
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const cancelPromise2 = reader.cancel();
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assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');
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return Promise.all([
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promise_rejects(t, error, cancelPromise1),
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promise_rejects(t, error, cancelPromise2)
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]);
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}, label + ': reader cancel() should return a distinct rejected promise each time');
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};
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self.templatedRSEmptyReader = (label, factory) => {
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test(() => {}, 'Running templatedRSEmptyReader with ' + label);
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test(() => {
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const reader = factory().reader;
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assert_true('closed' in reader, 'has a closed property');
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assert_equals(typeof reader.closed.then, 'function', 'closed property is thenable');
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assert_equals(typeof reader.cancel, 'function', 'has a cancel method');
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assert_equals(typeof reader.read, 'function', 'has a read method');
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assert_equals(typeof reader.releaseLock, 'function', 'has a releaseLock method');
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}, label + ': instances have the correct methods and properties');
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test(() => {
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const stream = factory().stream;
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assert_true(stream.locked, 'locked getter should return true');
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}, label + ': locked should be true');
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promise_test(t => {
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const reader = factory().reader;
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reader.read().then(
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t.unreached_func('read() should not fulfill'),
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t.unreached_func('read() should not reject')
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);
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return delay(500);
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}, label + ': read() should never settle');
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promise_test(t => {
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const reader = factory().reader;
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reader.read().then(
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t.unreached_func('read() should not fulfill'),
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t.unreached_func('read() should not reject')
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);
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reader.read().then(
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t.unreached_func('read() should not fulfill'),
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t.unreached_func('read() should not reject')
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);
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return delay(500);
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}, label + ': two read()s should both never settle');
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test(() => {
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const reader = factory().reader;
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assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct');
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}, label + ': read() should return distinct promises each time');
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test(() => {
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const stream = factory().stream;
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assert_throws(new TypeError(), () => stream.getReader(), 'stream.getReader() should throw a TypeError');
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}, label + ': getReader() again on the stream should fail');
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promise_test(t => {
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const streamAndReader = factory();
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const stream = streamAndReader.stream;
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const reader = streamAndReader.reader;
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reader.read().then(
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t.unreached_func('first read() should not fulfill'),
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t.unreached_func('first read() should not reject')
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);
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reader.read().then(
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t.unreached_func('second read() should not fulfill'),
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t.unreached_func('second read() should not reject')
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);
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reader.closed.then(
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t.unreached_func('closed should not fulfill'),
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t.unreached_func('closed should not reject')
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);
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assert_throws(new TypeError(), () => reader.releaseLock(), 'releaseLock should throw a TypeError');
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assert_true(stream.locked, 'the stream should still be locked');
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return delay(500);
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}, label + ': releasing the lock with pending read requests should throw but the read requests should stay pending');
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promise_test(t => {
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const reader = factory().reader;
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reader.releaseLock();
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return Promise.all([
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promise_rejects(t, new TypeError(), reader.read()),
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promise_rejects(t, new TypeError(), reader.read())
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]);
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}, label + ': releasing the lock should cause further read() calls to reject with a TypeError');
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promise_test(t => {
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const reader = factory().reader;
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const closedBefore = reader.closed;
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reader.releaseLock();
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const closedAfter = reader.closed;
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assert_equals(closedBefore, closedAfter, 'the closed promise should not change identity');
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return promise_rejects(t, new TypeError(), closedBefore);
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}, label + ': releasing the lock should cause closed calls to reject with a TypeError');
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test(() => {
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const streamAndReader = factory();
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const stream = streamAndReader.stream;
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const reader = streamAndReader.reader;
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reader.releaseLock();
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assert_false(stream.locked, 'locked getter should return false');
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}, label + ': releasing the lock should cause locked to become false');
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promise_test(() => {
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const reader = factory().reader;
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reader.cancel();
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return reader.read().then(r => {
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assert_object_equals(r, { value: undefined, done: true }, 'read()ing from the reader should give a done result');
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});
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}, label + ': canceling via the reader should cause the reader to act closed');
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promise_test(t => {
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const stream = factory().stream;
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return promise_rejects(t, new TypeError(), stream.cancel());
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}, label + ': canceling via the stream should fail');
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};
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self.templatedRSClosedReader = (label, factory) => {
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test(() => {}, 'Running templatedRSClosedReader with ' + label);
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promise_test(() => {
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const reader = factory().reader;
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return reader.read().then(v => {
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assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');
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});
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}, label + ': read() should fulfill with { value: undefined, done: true }');
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promise_test(() => {
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const reader = factory().reader;
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return Promise.all([
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reader.read().then(v => {
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assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');
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}),
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reader.read().then(v => {
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assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');
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})
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]);
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}, label + ': read() multiple times should fulfill with { value: undefined, done: true }');
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promise_test(() => {
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const reader = factory().reader;
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return reader.read().then(() => reader.read()).then(v => {
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assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly');
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});
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}, label + ': read() should work when used within another read() fulfill callback');
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promise_test(() => {
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const reader = factory().reader;
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return reader.closed.then(v => assert_equals(v, undefined, 'reader closed should fulfill with undefined'));
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}, label + ': closed should fulfill with undefined');
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promise_test(t => {
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const reader = factory().reader;
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const closedBefore = reader.closed;
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reader.releaseLock();
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const closedAfter = reader.closed;
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assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity');
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return Promise.all([
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closedBefore.then(v => assert_equals(v, undefined, 'reader.closed acquired before release should fulfill')),
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promise_rejects(t, new TypeError(), closedAfter)
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]);
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}, label + ': releasing the lock should cause closed to reject and change identity');
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promise_test(() => {
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const reader = factory().reader;
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const cancelPromise1 = reader.cancel();
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const cancelPromise2 = reader.cancel();
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const closedReaderPromise = reader.closed;
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assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises');
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assert_not_equals(cancelPromise1, closedReaderPromise, 'cancel() promise 1 should be distinct from reader.closed');
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assert_not_equals(cancelPromise2, closedReaderPromise, 'cancel() promise 2 should be distinct from reader.closed');
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return Promise.all([
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cancelPromise1.then(v => assert_equals(v, undefined, 'first cancel() should fulfill with undefined')),
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cancelPromise2.then(v => assert_equals(v, undefined, 'second cancel() should fulfill with undefined'))
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]);
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}, label + ': cancel() should return a distinct fulfilled promise each time');
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};
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self.templatedRSErroredReader = (label, factory, error) => {
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test(() => {}, 'Running templatedRSErroredReader with ' + label);
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promise_test(t => {
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const reader = factory().reader;
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return promise_rejects(t, error, reader.closed);
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}, label + ': closed should reject with the error');
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promise_test(t => {
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const reader = factory().reader;
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const closedBefore = reader.closed;
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return promise_rejects(t, error, closedBefore).then(() => {
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reader.releaseLock();
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const closedAfter = reader.closed;
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assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity');
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return promise_rejects(t, new TypeError(), closedAfter);
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});
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}, label + ': releasing the lock should cause closed to reject and change identity');
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promise_test(t => {
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const reader = factory().reader;
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return promise_rejects(t, error, reader.read());
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}, label + ': read() should reject with the error');
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};
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self.templatedRSTwoChunksOpenReader = (label, factory, chunks) => {
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test(() => {}, 'Running templatedRSTwoChunksOpenReader with ' + label);
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promise_test(() => {
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const reader = factory().reader;
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return Promise.all([
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reader.read().then(r => {
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assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');
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}),
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reader.read().then(r => {
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assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct');
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})
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]);
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}, label + ': calling read() twice without waiting will eventually give both chunks (sequential)');
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promise_test(() => {
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const reader = factory().reader;
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return reader.read().then(r => {
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assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');
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return reader.read().then(r2 => {
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assert_object_equals(r2, { value: chunks[1], done: false }, 'second result should be correct');
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});
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});
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}, label + ': calling read() twice without waiting will eventually give both chunks (nested)');
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test(() => {
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const reader = factory().reader;
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assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct');
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}, label + ': read() should return distinct promises each time');
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promise_test(() => {
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const reader = factory().reader;
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const promise1 = reader.closed.then(v => {
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assert_equals(v, undefined, 'reader closed should fulfill with undefined');
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});
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const promise2 = reader.read().then(r => {
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assert_object_equals(r, { value: chunks[0], done: false },
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'promise returned before cancellation should fulfill with a chunk');
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});
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reader.cancel();
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const promise3 = reader.read().then(r => {
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assert_object_equals(r, { value: undefined, done: true },
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'promise returned after cancellation should fulfill with an end-of-stream signal');
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});
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return Promise.all([promise1, promise2, promise3]);
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}, label + ': cancel() after a read() should still give that single read result');
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};
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self.templatedRSTwoChunksClosedReader = function (label, factory, chunks) {
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test(() => {}, 'Running templatedRSTwoChunksClosedReader with ' + label);
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promise_test(() => {
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const reader = factory().reader;
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return Promise.all([
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reader.read().then(r => {
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assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');
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}),
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reader.read().then(r => {
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assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct');
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}),
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reader.read().then(r => {
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assert_object_equals(r, { value: undefined, done: true }, 'third result should be correct');
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})
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]);
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}, label + ': third read(), without waiting, should give { value: undefined, done: true } (sequential)');
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promise_test(() => {
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const reader = factory().reader;
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return reader.read().then(r => {
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assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct');
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return reader.read().then(r2 => {
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assert_object_equals(r2, { value: chunks[1], done: false }, 'second result should be correct');
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return reader.read().then(r3 => {
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|
assert_object_equals(r3, { value: undefined, done: true }, 'third result should be correct');
|
|
});
|
|
});
|
|
});
|
|
|
|
}, label + ': third read(), without waiting, should give { value: undefined, done: true } (nested)');
|
|
|
|
promise_test(() => {
|
|
|
|
const streamAndReader = factory();
|
|
const stream = streamAndReader.stream;
|
|
const reader = streamAndReader.reader;
|
|
|
|
assert_true(stream.locked, 'stream should start locked');
|
|
|
|
const promise = reader.closed.then(v => {
|
|
assert_equals(v, undefined, 'reader closed should fulfill with undefined');
|
|
assert_true(stream.locked, 'stream should remain locked');
|
|
});
|
|
|
|
reader.read();
|
|
reader.read();
|
|
|
|
return promise;
|
|
|
|
}, label +
|
|
': draining the stream via read() should cause the reader closed promise to fulfill, but locked stays true');
|
|
|
|
promise_test(() => {
|
|
|
|
const streamAndReader = factory();
|
|
const stream = streamAndReader.stream;
|
|
const reader = streamAndReader.reader;
|
|
|
|
const promise = reader.closed.then(() => {
|
|
assert_true(stream.locked, 'the stream should start locked');
|
|
reader.releaseLock(); // Releasing the lock after reader closed should not throw.
|
|
assert_false(stream.locked, 'the stream should end unlocked');
|
|
});
|
|
|
|
reader.read();
|
|
reader.read();
|
|
|
|
return promise;
|
|
|
|
}, label + ': releasing the lock after the stream is closed should cause locked to become false');
|
|
|
|
promise_test(t => {
|
|
|
|
const reader = factory().reader;
|
|
|
|
reader.releaseLock();
|
|
|
|
return Promise.all([
|
|
promise_rejects(t, new TypeError(), reader.read()),
|
|
promise_rejects(t, new TypeError(), reader.read()),
|
|
promise_rejects(t, new TypeError(), reader.read())
|
|
]);
|
|
|
|
}, label + ': releasing the lock should cause further read() calls to reject with a TypeError');
|
|
|
|
promise_test(() => {
|
|
|
|
const streamAndReader = factory();
|
|
const stream = streamAndReader.stream;
|
|
const reader = streamAndReader.reader;
|
|
|
|
const readerClosed = reader.closed;
|
|
|
|
assert_equals(reader.closed, readerClosed, 'accessing reader.closed twice in succession gives the same value');
|
|
|
|
const promise = reader.read().then(() => {
|
|
assert_equals(reader.closed, readerClosed, 'reader.closed is the same after read() fulfills');
|
|
|
|
reader.releaseLock();
|
|
|
|
assert_equals(reader.closed, readerClosed, 'reader.closed is the same after releasing the lock');
|
|
|
|
const newReader = stream.getReader();
|
|
return newReader.read();
|
|
});
|
|
|
|
assert_equals(reader.closed, readerClosed, 'reader.closed is the same after calling read()');
|
|
|
|
return promise;
|
|
|
|
}, label + ': reader\'s closed property always returns the same promise');
|
|
};
|