Index: third_party/WebKit/LayoutTests/http/tests/streams/resources/rs-test-templates.js |
diff --git a/third_party/WebKit/LayoutTests/http/tests/streams/resources/rs-test-templates.js b/third_party/WebKit/LayoutTests/http/tests/streams/resources/rs-test-templates.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8ea158409032fe455e0263738341386ecec008f2 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/http/tests/streams/resources/rs-test-templates.js |
@@ -0,0 +1,719 @@ |
+'use strict'; |
+ |
+// These tests can be run against any readable stream produced by the web platform that meets the given descriptions. |
+// For readable stream tests, the factory should return the stream. For reader tests, the factory should return a |
+// { stream, reader } object. (You can use this to vary the time at which you acquire a reader.) |
+ |
+self.templatedRSEmpty = function (label, factory) { |
+ test(function() { |
+ }, 'Running templatedRSEmpty with ' + label); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ assert_equals(typeof rs.locked, 'boolean', 'has a boolean locked getter'); |
+ assert_equals(typeof rs.cancel, 'function', 'has a cancel method'); |
+ assert_equals(typeof rs.getReader, 'function', 'has a getReader method'); |
+ assert_equals(typeof rs.tee, 'function', 'has a tee method'); |
+ }, 'instances have the correct methods and properties'); |
+}; |
+ |
+self.templatedRSClosed = function (label, factory) { |
+ test(function() { |
+ }, 'Running templatedRSClosed with ' + label); |
+ |
+ var test1 = async_test('cancel() should return a distinct fulfilled promise each time'); |
+ test1.step(function() { |
+ var rs = factory(); |
+ var promisesCount = 0; |
+ var allChecked = false; |
+ |
+ var cancelPromise1 = rs.cancel(); |
+ var cancelPromise2 = rs.cancel(); |
+ |
+ cancelPromise1.then(test1.step_func(function(v) { |
+ assert_equals(v, undefined, 'first cancel() call should fulfill with undefined'); |
+ ++promisesCount; |
+ })); |
+ cancelPromise2.then(test1.step_func(function(v) { |
+ assert_equals(v, undefined, 'second cancel() call should fulfill with undefined'); |
+ assert_equals(++promisesCount, 2); |
+ assert_true(allChecked); |
+ test1.done(); |
+ })); |
+ assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises'); |
+ allChecked = true; |
+ }); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ assert_false(rs.locked, 'locked getter should return false'); |
+ }, 'locked should be false'); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ rs.getReader(); // getReader() should not throw. |
+ }, 'getReader() should be OK'); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ var reader = rs.getReader(); |
+ reader.releaseLock(); |
+ |
+ reader = rs.getReader(); // Getting a second reader should not throw. |
+ reader.releaseLock(); |
+ |
+ rs.getReader(); // Getting a third reader should not throw. |
+ }, 'should be able to acquire multiple readers if they are released in succession'); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ rs.getReader(); |
+ |
+ assert_throws(new TypeError(), function() { rs.getReader(); }, 'getting a second reader should throw'); |
+ assert_throws(new TypeError(), function() { rs.getReader(); }, 'getting a third reader should throw'); |
+ }, 'should not be able to acquire a second reader if we don\'t release the first one'); |
+}; |
+ |
+self.templatedRSErrored = function (label, factory, error) { |
+ test(function() { |
+ }, 'Running templatedRSErrored with ' + label); |
+ |
+ var test2 = async_test('getReader() should return a reader that acts errored'); |
+ test2.step(function() { |
+ var rs = factory(); |
+ var promisesCount = 0; |
+ |
+ var reader = rs.getReader(); |
+ |
+ reader.closed.catch(test2.step_func(function(e) { |
+ assert_equals(e, error, 'reader.closed should reject with the error'); |
+ if (++promisesCount === 2) |
+ test2.done(); |
+ })); |
+ reader.read().catch(test2.step_func(function(e) { |
+ assert_equals(e, error, 'reader.read() should reject with the error'); |
+ if (++promisesCount === 2) |
+ test2.done(); |
+ })); |
+ }); |
+ |
+ var test3 = async_test('read() twice should give the error each time'); |
+ test3.step(function() { |
+ var rs = factory(); |
+ var promiseCount = 0; |
+ |
+ var reader = rs.getReader(); |
+ |
+ reader.read().catch(test3.step_func(function(e) { |
+ assert_equals(e, error, 'reader.read() should reject with the error'); |
+ assert_equals(++promiseCount, 1); |
+ })); |
+ reader.read().catch(test3.step_func(function(e) { |
+ assert_equals(e, error, 'reader.read() should reject with the error'); |
+ assert_equals(++promiseCount, 2); |
+ })); |
+ reader.closed.catch(test3.step_func(function(e) { |
+ assert_equals(e, error, 'reader.closed should reject with the error'); |
+ assert_equals(++promiseCount, 3); |
+ test3.done(); |
+ })); |
+ }); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ assert_false(rs.locked, 'locked getter should return false'); |
+ }, 'locked should be false'); |
+}; |
+ |
+self.templatedRSErroredSyncOnly = function (label, factory, error) { |
+ test(function() { |
+ }, 'Running templatedRSErroredSyncOnly with ' + label); |
+ |
+ var test1 = async_test('should be able to obtain a second reader, with the correct closed promise'); |
+ test1.step(function() { |
+ var rs = factory(); |
+ |
+ rs.getReader().releaseLock(); |
+ |
+ var reader = rs.getReader(); // Calling getReader() twice does not throw (the stream is not locked). |
+ |
+ reader.closed.then( |
+ test1.step_func(function() { assert_unreached('closed promise should not be fulfilled when stream is errored'); }), |
+ test1.step_func(function(err) { |
+ assert_equals(err, error); |
+ test1.done(); |
+ }) |
+ ); |
+ }); |
+ |
+ test(function() { |
+ var rs = factory(); |
+ |
+ rs.getReader(); |
+ |
+ assert_throws(new TypeError(), function() { rs.getReader(); }, 'getting a second reader should throw a TypeError'); |
+ assert_throws(new TypeError(), function() { rs.getReader(); }, 'getting a third reader should throw a TypeError'); |
+ }, 'should not be able to obtain additional readers if we don\'t release the first lock'); |
+ |
+ var test2 = async_test('cancel() should return a distinct rejected promise each time'); |
+ test2.step(function() { |
+ var rs = factory(); |
+ var promisesCount = 0; |
+ var allChecked = false; |
+ |
+ var cancelPromise1 = rs.cancel(); |
+ var cancelPromise2 = rs.cancel(); |
+ |
+ cancelPromise1.catch(test2.step_func(function(e) { |
+ assert_equals(e, error, 'first cancel() call should reject with the error'); |
+ ++promisesCount; |
+ })); |
+ cancelPromise2.catch(test2.step_func(function(e) { |
+ assert_equals(e, error, 'second cancel() call should reject with the error'); |
+ assert_equals(++promisesCount, 2); |
+ assert_true(allChecked); |
+ test2.done(); |
+ })); |
+ assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises'); |
+ allChecked = true; |
+ }); |
+ |
+ var test3 = async_test('reader cancel() should return a distinct rejected promise each time'); |
+ test3.step(function() { |
+ var rs = factory(); |
+ var reader = rs.getReader(); |
+ var promisesCount = 0; |
+ var allChecked = false; |
+ |
+ var cancelPromise1 = reader.cancel(); |
+ var cancelPromise2 = reader.cancel(); |
+ |
+ cancelPromise1.catch(test3.step_func(function(e) { |
+ assert_equals(e, error, 'first cancel() call should reject with the error'); |
+ ++promisesCount; |
+ })); |
+ cancelPromise2.catch(test3.step_func(function(e) { |
+ assert_equals(e, error, 'second cancel() call should reject with the error'); |
+ assert_equals(++promisesCount, 2); |
+ assert_true(allChecked); |
+ test3.done(); |
+ })); |
+ assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises'); |
+ allChecked = true; |
+ }); |
+}; |
+ |
+self.templatedRSEmptyReader = function (label, factory) { |
+ test(function() { |
+ }, 'Running templatedRSEmptyReader with ' + label); |
+ |
+ test(function() { |
+ var reader = factory().reader; |
+ |
+ assert_true('closed' in reader, 'has a closed property'); |
+ assert_equals(typeof reader.closed.then, 'function', 'closed property is thenable'); |
+ |
+ assert_equals(typeof reader.cancel, 'function', 'has a cancel method'); |
+ assert_equals(typeof reader.read, 'function', 'has a read method'); |
+ assert_equals(typeof reader.releaseLock, 'function', 'has a releaseLock method'); |
+ }, 'instances have the correct methods and properties'); |
+ |
+ test(function() { |
+ var stream = factory().stream; |
+ |
+ assert_true(stream.locked, 'locked getter should return true'); |
+ }, 'locked should be true'); |
+ |
+ var test1 = async_test('read() should never settle'); |
+ test1.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then( |
+ test1.step_func(function() { assert_unreached('read() should not fulfill'); }), |
+ test1.step_func(function() { assert_unreached('read() should not reject'); }) |
+ ); |
+ |
+ setTimeout(test1.step_func(function() { test1.done(); }), 1000); |
+ }); |
+ |
+ var test2 = async_test('two read()s should both never settle'); |
+ test2.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then( |
+ test2.step_func(function() { assert_unreached('first read() should not fulfill'); }), |
+ test2.step_func(function() { assert_unreached('first read() should not reject'); }) |
+ ); |
+ |
+ reader.read().then( |
+ test2.step_func(function() { assert_unreached('second read() should not fulfill'); }), |
+ test2.step_func(function() { assert_unreached('second read() should not reject'); }) |
+ ); |
+ |
+ setTimeout(test2.step_func(function() { test2.done(); }), 1000); |
+ }); |
+ |
+ test(function() { |
+ var reader = factory().reader; |
+ |
+ assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct'); |
+ }, 'read() should return distinct promises each time'); |
+ |
+ test(function() { |
+ var stream = factory().stream; |
+ |
+ assert_throws(new TypeError(), function() { stream.getReader(); }, 'stream.getReader() should throw a TypeError'); |
+ }, 'getReader() again on the stream should fail'); |
+ |
+ var test3 = async_test('releasing the lock with pending read requests should throw but the read requests should stay pending'); |
+ test3.step(function() { |
+ var streamAndReader = factory(); |
+ var stream = streamAndReader.stream; |
+ var reader = streamAndReader.reader; |
+ |
+ reader.read().then( |
+ test3.step_func(function() { assert_unreached('first read() should not fulfill'); }), |
+ test3.step_func(function() { assert_unreached('first read() should not reject'); }) |
+ ); |
+ |
+ reader.read().then( |
+ test3.step_func(function() { assert_unreached('second read() should not fulfill'); }), |
+ test3.step_func(function() { assert_unreached('second read() should not reject'); }) |
+ ); |
+ |
+ reader.closed.then( |
+ test3.step_func(function() { assert_unreached('closed should not fulfill'); }), |
+ test3.step_func(function() { assert_unreached('closed should not reject'); }) |
+ ); |
+ |
+ assert_throws(new TypeError(), function() { reader.releaseLock(); }, 'releaseLock should throw a TypeError'); |
+ |
+ assert_true(stream.locked, 'the stream should still be locked'); |
+ |
+ setTimeout(test3.step_func(function() { test3.done(); }), 1000); |
+ }); |
+ |
+ var test4 = async_test('releasing the lock should cause further read() calls to reject with a TypeError', { timeout: 50 }); |
+ test4.step(function() { |
+ var promiseCalls = 0; |
+ var reader = factory().reader; |
+ |
+ reader.releaseLock(); |
+ |
+ reader.read().catch(test4.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'first read() should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 1); |
+ })); |
+ reader.read().catch(test4.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'second read() should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 2); |
+ test4.done(); |
+ })); |
+ }); |
+ |
+ var test5 = async_test('releasing the lock should cause closed to reject', { timeout: 50 }); |
+ test5.step(function() { |
+ var reader = factory().reader; |
+ |
+ var closedBefore = reader.closed; |
+ reader.releaseLock(); |
+ var closedAfter = reader.closed; |
+ |
+ assert_equals(closedBefore, closedAfter, 'the closed promise should not change identity') |
+ closedBefore.catch(test5.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'reader.closed should reject with a TypeError'); |
+ test5.done(); |
+ })); |
+ }); |
+ |
+ test(function() { |
+ var streamAndReader = factory(); |
+ var stream = streamAndReader.stream; |
+ var reader = streamAndReader.reader; |
+ |
+ reader.releaseLock(); |
+ assert_false(stream.locked, 'locked getter should return false'); |
+ }, 'releasing the lock should cause locked to become false'); |
+ |
+ var test6 = async_test('canceling via the reader should cause the reader to act closed'); |
+ test6.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.cancel(); |
+ reader.read().then(test6.step_func(function(r) { |
+ assert_object_equals(r, { value: undefined, done: true }, 'read()ing from the reader should give a done result'); |
+ test6.done(); |
+ })); |
+ }); |
+ |
+ var test7 = async_test('canceling via the stream should fail'); |
+ test7.step(function() { |
+ var stream = factory().stream; |
+ |
+ stream.cancel().catch(test7.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'cancel() should reject with a TypeError'); |
+ test7.done(); |
+ })); |
+ }); |
+}; |
+ |
+self.templatedRSClosedReader = function (label, factory) { |
+ test(function() { |
+ }, 'Running templatedRSClosedReader with ' + label); |
+ |
+ var test1 = async_test('read() should fulfill with { value: undefined, done: true }'); |
+ test1.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then( |
+ test1.step_func(function(v) { |
+ assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly'); |
+ test1.done(); |
+ }), |
+ test1.step_func(function() { assert_unreached('read() should not return a rejected promise'); }) |
+ ); |
+ }); |
+ |
+ var test2 = async_test('read() multiple times should fulfill with { value: undefined, done: true }'); |
+ test2.step(function() { |
+ var reader = factory().reader; |
+ var readCount = 0; |
+ |
+ reader.read().then( |
+ test2.step_func(function(v) { |
+ assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly'); |
+ ++readCount; |
+ }), |
+ test2.step_func(function() { assert_unreached('read() should not return a rejected promise'); }) |
+ ); |
+ reader.read().then( |
+ test2.step_func(function(v) { |
+ assert_object_equals(v, { value: undefined, done: true }, 'read() should fulfill correctly'); |
+ assert_equals(++readCount, 2); |
+ test2.done(); |
+ }), |
+ test2.step_func(function() { assert_unreached('read() should not return a rejected promise'); }) |
+ ); |
+ }); |
+ |
+ var test3 = async_test('read() should work when used within another read() fulfill callback'); |
+ test3.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then(test3.step_func(function() { reader.read().then(test3.step_func(function() { test3.done('read() should fulfill'); })); })); |
+ }); |
+ |
+ var test4 = async_test('closed should fulfill with undefined'); |
+ test4.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.closed.then( |
+ test4.step_func(function(v) { |
+ assert_equals(v, undefined, 'reader closed should fulfill with undefined'); |
+ test4.done(); |
+ }), |
+ test4.step_func(function() { assert_unreached('reader closed should not reject'); }) |
+ ); |
+ }); |
+ |
+ var test5 = async_test('releasing the lock should cause closed to reject and change identity'); |
+ test5.step(function() { |
+ var promiseCalls = 0; |
+ var reader = factory().reader; |
+ |
+ var closedBefore = reader.closed; |
+ reader.releaseLock(); |
+ var closedAfter = reader.closed; |
+ |
+ assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity') |
+ closedBefore.then(test5.step_func(function(v) { |
+ assert_equals(v, undefined, 'reader.closed acquired before release should fulfill'); |
+ assert_equals(++promiseCalls, 1); |
+ })); |
+ closedAfter.catch(test5.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'reader.closed acquired after release should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 2); |
+ test5.done(); |
+ })); |
+ }); |
+ |
+ var test6 = async_test('cancel() should return a distinct fulfilled promise each time'); |
+ test6.step(function() { |
+ var reader = factory().reader; |
+ var promiseCount = 0; |
+ var allChecked = false; |
+ |
+ var cancelPromise1 = reader.cancel(); |
+ var cancelPromise2 = reader.cancel(); |
+ var closedReaderPromise = reader.closed; |
+ |
+ cancelPromise1.then(test6.step_func(function(v) { |
+ assert_equals(v, undefined, 'first cancel() call should fulfill with undefined'); |
+ ++promiseCount; |
+ })); |
+ cancelPromise2.then(test6.step_func(function(v) { |
+ assert_equals(v, undefined, 'second cancel() call should fulfill with undefined'); |
+ assert_equals(++promiseCount, 2); |
+ assert_true(allChecked); |
+ test6.done(); |
+ })); |
+ assert_not_equals(cancelPromise1, cancelPromise2, 'cancel() calls should return distinct promises'); |
+ assert_not_equals(cancelPromise1, closedReaderPromise, 'cancel() promise 1 should be distinct from reader.closed'); |
+ assert_not_equals(cancelPromise2, closedReaderPromise, 'cancel() promise 2 should be distinct from reader.closed'); |
+ allChecked = true; |
+ }); |
+}; |
+ |
+self.templatedRSErroredReader = function (label, factory, error) { |
+ test(function() { |
+ }, 'Running templatedRSErroredReader with ' + label); |
+ |
+ var test1 = async_test('closed should reject with the error'); |
+ test1.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.closed.then( |
+ test1.step_func(function() { assert_unreached('stream closed should not fulfill'); }), |
+ test1.step_func(function(r) { |
+ assert_equals(r, error, 'stream closed should reject with the error'); |
+ test1.done(); |
+ }) |
+ ); |
+ }); |
+ |
+ var test2 = async_test('releasing the lock should cause closed to reject and change identity'); |
+ test2.step(function() { |
+ var reader = factory().reader; |
+ |
+ var closedBefore = reader.closed; |
+ |
+ closedBefore.catch(test2.step_func(function(e) { |
+ assert_equals(e, error, 'reader.closed acquired before release should reject with the error'); |
+ |
+ reader.releaseLock(); |
+ var closedAfter = reader.closed; |
+ |
+ assert_not_equals(closedBefore, closedAfter, 'the closed promise should change identity'); |
+ |
+ return closedAfter.catch(test2.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'reader.closed acquired after release should reject with a TypeError'); |
+ test2.done(); |
+ })); |
+ })).catch(test2.step_func(function(e) { assert_unreached(e); })); |
+ }); |
+ |
+ var test3 = async_test('read() should reject with the error'); |
+ test3.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then( |
+ test3.step_func(function() { |
+ assert_unreached('read() should not fulfill'); |
+ }), |
+ test3.step_func(function(r) { |
+ assert_equals(r, error, 'read() should reject with the error'); |
+ test3.done(); |
+ }) |
+ ); |
+ }); |
+}; |
+ |
+self.templatedRSTwoChunksOpenReader = function (label, factory, chunks) { |
+ test(function() { |
+ }, 'Running templatedRSTwoChunksOpenReader with ' + label); |
+ |
+ var test1 = async_test('calling read() twice without waiting will eventually give both chunks'); |
+ test1.step(function() { |
+ var reader = factory().reader; |
+ var promiseCount = 0; |
+ |
+ reader.read().then(test1.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct'); |
+ ++promiseCount; |
+ })); |
+ reader.read().then(test1.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct'); |
+ assert_equals(++promiseCount, 2); |
+ test1.done(); |
+ })); |
+ }); |
+ |
+ var test2 = async_test('calling read() twice with waiting will eventually give both chunks'); |
+ test2.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then(test2.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct'); |
+ |
+ return reader.read().then(test2.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct'); |
+ test2.done(); |
+ })); |
+ })).catch(test2.step_func(function(e) { assert_unreached(e); })); |
+ }); |
+ |
+ test(function() { |
+ var reader = factory().reader; |
+ |
+ assert_not_equals(reader.read(), reader.read(), 'the promises returned should be distinct'); |
+ }, 'read() should return distinct promises each time'); |
+ |
+ var test3 = async_test('cancel() after a read() should still give that single read result'); |
+ test3.step(function() { |
+ var reader = factory().reader; |
+ var promiseCount = 0; |
+ |
+ reader.closed.then(test3.step_func(function(v) { |
+ assert_equals(v, undefined, 'reader closed should fulfill with undefined'); |
+ ++promiseCount; |
+ })); |
+ |
+ reader.read().then(test3.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[0], done: false }, 'promise returned before cancellation should fulfill with a chunk'); |
+ ++promiseCount; |
+ })); |
+ |
+ reader.cancel(); |
+ |
+ reader.read().then(test3.step_func(function(r) { |
+ assert_object_equals(r, { value: undefined, done: true }, 'promise returned after cancellation should fulfill with an end-of-stream signal'); |
+ assert_equals(++promiseCount, 3); |
+ test3.done(); |
+ })) |
+ }); |
+}; |
+ |
+self.templatedRSTwoChunksClosedReader = function (label, factory, chunks) { |
+ test(function() { |
+ }, 'Running templatedRSTwoChunksClosedReader with ' + label); |
+ |
+ var test1 = async_test('third read(), without waiting, should give { value: undefined, done: true }'); |
+ test1.step(function() { |
+ var reader = factory().reader; |
+ var promiseCount = 0; |
+ |
+ reader.read().then(test1.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct'); |
+ ++promiseCount; |
+ })); |
+ reader.read().then(test1.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct'); |
+ ++promiseCount; |
+ })); |
+ reader.read().then(test1.step_func(function(r) { |
+ assert_object_equals(r, { value: undefined, done: true }, 'third result should be correct'); |
+ assert_equals(++promiseCount, 3); |
+ test1.done(); |
+ })) |
+ }); |
+ |
+ var test2 = async_test('third read, with waiting, should give { value: undefined, done: true }'); |
+ test2.step(function() { |
+ var reader = factory().reader; |
+ |
+ reader.read().then(test2.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[0], done: false }, 'first result should be correct'); |
+ |
+ return reader.read().then(test2.step_func(function(r) { |
+ assert_object_equals(r, { value: chunks[1], done: false }, 'second result should be correct'); |
+ |
+ return reader.read().then(test2.step_func(function(r) { |
+ assert_object_equals(r, { value: undefined, done: true }, 'third result should be correct'); |
+ test2.done(); |
+ })); |
+ })); |
+ })).catch(test2.step_func(function(e) { assert_unreached(e); })); |
+ }); |
+ |
+ var test3 = async_test('draining the stream via read() should cause the reader closed promise to fulfill, but locked stays true'); |
+ test3.step(function() { |
+ var streamAndReader = factory(); |
+ var stream = streamAndReader.stream; |
+ var reader = streamAndReader.reader; |
+ |
+ assert_true(stream.locked, 'stream should start locked'); |
+ |
+ reader.closed.then( |
+ test3.step_func(function(v) { |
+ assert_equals(v, undefined, 'reader closed should fulfill with undefined'); |
+ assert_true(stream.locked, 'stream should remain locked'); |
+ test3.done(); |
+ }), |
+ test3.step_func(function() { assert_unreached('reader closed should not reject'); }) |
+ ); |
+ |
+ reader.read(); |
+ reader.read(); |
+ }); |
+ |
+ var test4 = async_test('releasing the lock after the stream is closed should cause locked to become false'); |
+ test4.step(function() { |
+ var streamAndReader = factory(); |
+ var stream = streamAndReader.stream; |
+ var reader = streamAndReader.reader; |
+ |
+ reader.closed.then(test4.step_func(function() { |
+ 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'); |
+ test4.done(); |
+ })); |
+ |
+ reader.read(); |
+ reader.read(); |
+ }); |
+ |
+ var test5 = async_test('releasing the lock should cause further read() calls to reject with a TypeError', { timeout: 50}); |
+ test5.step(function() { |
+ var promiseCalls = 0; |
+ var reader = factory().reader; |
+ |
+ reader.releaseLock(); |
+ |
+ reader.read().catch(test5.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'first read() should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 1); |
+ })); |
+ reader.read().catch(test5.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'second read() should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 2); |
+ })); |
+ reader.read().catch(test5.step_func(function(e) { |
+ assert_throws(new TypeError(), function() { throw e; }, 'third read() should reject with a TypeError'); |
+ assert_equals(++promiseCalls, 3); |
+ test5.done(); |
+ })); |
+ }); |
+ |
+ var test6 = async_test('reader\'s closed property always returns the same promise'); |
+ test6.step(function() { |
+ var streamAndReader = factory(); |
+ var stream = streamAndReader.stream; |
+ var reader = streamAndReader.reader; |
+ |
+ var readerClosed = reader.closed; |
+ |
+ assert_equals(reader.closed, readerClosed, 'accessing reader.closed twice in succession gives the same value'); |
+ |
+ reader.read().then(test6.step_func(function() { |
+ 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'); |
+ |
+ var newReader = stream.getReader(); |
+ newReader.read(); |
+ |
+ test6.done(); |
+ })); |
+ |
+ assert_equals(reader.closed, readerClosed, 'reader.closed is the same after calling read()'); |
+ }); |
+}; |