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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js')
-rw-r--r-- | testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js b/testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js new file mode 100644 index 0000000000..3d77b923d1 --- /dev/null +++ b/testing/web-platform/tests/streams/readable-streams/bad-underlying-sources.any.js @@ -0,0 +1,400 @@ +// META: global=window,worker,shadowrealm +'use strict'; + + +test(() => { + + const theError = new Error('a unique string'); + + assert_throws_exactly(theError, () => { + new ReadableStream({ + get start() { + throw theError; + } + }); + }, 'constructing the stream should re-throw the error'); + +}, 'Underlying source start: throwing getter'); + + +test(() => { + + const theError = new Error('a unique string'); + + assert_throws_exactly(theError, () => { + new ReadableStream({ + start() { + throw theError; + } + }); + }, 'constructing the stream should re-throw the error'); + +}, 'Underlying source start: throwing method'); + + +test(() => { + + const theError = new Error('a unique string'); + assert_throws_exactly(theError, () => new ReadableStream({ + get pull() { + throw theError; + } + }), 'constructor should throw'); + +}, 'Underlying source: throwing pull getter (initial pull)'); + + +promise_test(t => { + + const theError = new Error('a unique string'); + const rs = new ReadableStream({ + pull() { + throw theError; + } + }); + + return promise_rejects_exactly(t, theError, rs.getReader().closed); + +}, 'Underlying source: throwing pull method (initial pull)'); + + +promise_test(t => { + + const theError = new Error('a unique string'); + + let counter = 0; + const rs = new ReadableStream({ + get pull() { + ++counter; + if (counter === 1) { + return c => c.enqueue('a'); + } + + throw theError; + } + }); + const reader = rs.getReader(); + + return Promise.all([ + reader.read().then(r => { + assert_object_equals(r, { value: 'a', done: false }, 'the first chunk read should be correct'); + }), + reader.read().then(r => { + assert_object_equals(r, { value: 'a', done: false }, 'the second chunk read should be correct'); + assert_equals(counter, 1, 'counter should be 1'); + }) + ]); + +}, 'Underlying source pull: throwing getter (second pull does not result in a second get)'); + +promise_test(t => { + + const theError = new Error('a unique string'); + + let counter = 0; + const rs = new ReadableStream({ + pull(c) { + ++counter; + if (counter === 1) { + c.enqueue('a'); + return; + } + + throw theError; + } + }); + const reader = rs.getReader(); + + return Promise.all([ + reader.read().then(r => { + assert_object_equals(r, { value: 'a', done: false }, 'the chunk read should be correct'); + }), + promise_rejects_exactly(t, theError, reader.closed) + ]); + +}, 'Underlying source pull: throwing method (second pull)'); + +test(() => { + + const theError = new Error('a unique string'); + assert_throws_exactly(theError, () => new ReadableStream({ + get cancel() { + throw theError; + } + }), 'constructor should throw'); + +}, 'Underlying source cancel: throwing getter'); + +promise_test(t => { + + const theError = new Error('a unique string'); + const rs = new ReadableStream({ + cancel() { + throw theError; + } + }); + + return promise_rejects_exactly(t, theError, rs.cancel()); + +}, 'Underlying source cancel: throwing method'); + +promise_test(() => { + + let controller; + const rs = new ReadableStream({ + start(c) { + controller = c; + } + }); + + rs.cancel(); + assert_throws_js(TypeError, () => controller.enqueue('a'), 'Calling enqueue after canceling should throw'); + + return rs.getReader().closed; + +}, 'Underlying source: calling enqueue on an empty canceled stream should throw'); + +promise_test(() => { + + let controller; + const rs = new ReadableStream({ + start(c) { + c.enqueue('a'); + c.enqueue('b'); + controller = c; + } + }); + + rs.cancel(); + assert_throws_js(TypeError, () => controller.enqueue('c'), 'Calling enqueue after canceling should throw'); + + return rs.getReader().closed; + +}, 'Underlying source: calling enqueue on a non-empty canceled stream should throw'); + +promise_test(() => { + + return new ReadableStream({ + start(c) { + c.close(); + assert_throws_js(TypeError, () => c.enqueue('a'), 'call to enqueue should throw a TypeError'); + } + }).getReader().closed; + +}, 'Underlying source: calling enqueue on a closed stream should throw'); + +promise_test(t => { + + const theError = new Error('boo'); + const closed = new ReadableStream({ + start(c) { + c.error(theError); + assert_throws_js(TypeError, () => c.enqueue('a'), 'call to enqueue should throw the error'); + } + }).getReader().closed; + + return promise_rejects_exactly(t, theError, closed); + +}, 'Underlying source: calling enqueue on an errored stream should throw'); + +promise_test(() => { + + return new ReadableStream({ + start(c) { + c.close(); + assert_throws_js(TypeError, () => c.close(), 'second call to close should throw a TypeError'); + } + }).getReader().closed; + +}, 'Underlying source: calling close twice on an empty stream should throw the second time'); + +promise_test(() => { + + let startCalled = false; + let readCalled = false; + const reader = new ReadableStream({ + start(c) { + c.enqueue('a'); + c.close(); + assert_throws_js(TypeError, () => c.close(), 'second call to close should throw a TypeError'); + startCalled = true; + } + }).getReader(); + + return Promise.all([ + reader.read().then(r => { + assert_object_equals(r, { value: 'a', done: false }, 'read() should read the enqueued chunk'); + readCalled = true; + }), + reader.closed.then(() => { + assert_true(startCalled); + assert_true(readCalled); + }) + ]); + +}, 'Underlying source: calling close twice on a non-empty stream should throw the second time'); + +promise_test(() => { + + let controller; + let startCalled = false; + const rs = new ReadableStream({ + start(c) { + controller = c; + startCalled = true; + } + }); + + rs.cancel(); + assert_throws_js(TypeError, () => controller.close(), 'Calling close after canceling should throw'); + + return rs.getReader().closed.then(() => { + assert_true(startCalled); + }); + +}, 'Underlying source: calling close on an empty canceled stream should throw'); + +promise_test(() => { + + let controller; + let startCalled = false; + const rs = new ReadableStream({ + start(c) { + controller = c; + c.enqueue('a'); + startCalled = true; + } + }); + + rs.cancel(); + assert_throws_js(TypeError, () => controller.close(), 'Calling close after canceling should throw'); + + return rs.getReader().closed.then(() => { + assert_true(startCalled); + }); + +}, 'Underlying source: calling close on a non-empty canceled stream should throw'); + +promise_test(() => { + + const theError = new Error('boo'); + let startCalled = false; + + const closed = new ReadableStream({ + start(c) { + c.error(theError); + assert_throws_js(TypeError, () => c.close(), 'call to close should throw a TypeError'); + startCalled = true; + } + }).getReader().closed; + + return closed.catch(e => { + assert_true(startCalled); + assert_equals(e, theError, 'closed should reject with the error'); + }); + +}, 'Underlying source: calling close after error should throw'); + +promise_test(() => { + + const theError = new Error('boo'); + let startCalled = false; + + const closed = new ReadableStream({ + start(c) { + c.error(theError); + c.error(); + startCalled = true; + } + }).getReader().closed; + + return closed.catch(e => { + assert_true(startCalled); + assert_equals(e, theError, 'closed should reject with the error'); + }); + +}, 'Underlying source: calling error twice should not throw'); + +promise_test(() => { + + let startCalled = false; + + const closed = new ReadableStream({ + start(c) { + c.close(); + c.error(); + startCalled = true; + } + }).getReader().closed; + + return closed.then(() => assert_true(startCalled)); + +}, 'Underlying source: calling error after close should not throw'); + +promise_test(() => { + + let startCalled = false; + const firstError = new Error('1'); + const secondError = new Error('2'); + + const closed = new ReadableStream({ + start(c) { + c.error(firstError); + startCalled = true; + return Promise.reject(secondError); + } + }).getReader().closed; + + return closed.catch(e => { + assert_true(startCalled); + assert_equals(e, firstError, 'closed should reject with the first error'); + }); + +}, 'Underlying source: calling error and returning a rejected promise from start should cause the stream to error ' + + 'with the first error'); + +promise_test(() => { + + let startCalled = false; + const firstError = new Error('1'); + const secondError = new Error('2'); + + const closed = new ReadableStream({ + pull(c) { + c.error(firstError); + startCalled = true; + return Promise.reject(secondError); + } + }).getReader().closed; + + return closed.catch(e => { + assert_true(startCalled); + assert_equals(e, firstError, 'closed should reject with the first error'); + }); + +}, 'Underlying source: calling error and returning a rejected promise from pull should cause the stream to error ' + + 'with the first error'); + +const error1 = { name: 'error1' }; + +promise_test(t => { + + let pullShouldThrow = false; + const rs = new ReadableStream({ + pull(controller) { + if (pullShouldThrow) { + throw error1; + } + controller.enqueue(0); + } + }, new CountQueuingStrategy({highWaterMark: 1})); + const reader = rs.getReader(); + return Promise.resolve().then(() => { + pullShouldThrow = true; + return Promise.all([ + reader.read(), + promise_rejects_exactly(t, error1, reader.closed, '.closed promise should reject') + ]); + }); + +}, 'read should not error if it dequeues and pull() throws'); |