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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../resources/testharness.js"></script> |
| 3 <script src="../resources/testharnessreport.js"></script> |
| 4 <script type="text/javascript"> |
| 5 var test = async_test('Test response of XMLHttpRequest with responseType set to
"stream" for various readyState.'); |
| 6 |
| 7 test.step(function() |
| 8 { |
| 9 var xhr = new XMLHttpRequest; |
| 10 |
| 11 xhr.responseType = 'stream'; |
| 12 assert_equals(xhr.responseType, 'stream', 'xhr.responseType'); |
| 13 |
| 14 assert_equals(xhr.readyState, xhr.UNSENT, 'xhr.readyState'); |
| 15 assert_equals(xhr.response, null, 'xhr.response during UNSENT'); |
| 16 |
| 17 var seenStates = []; |
| 18 |
| 19 function readStream(stream) { |
| 20 var chunks = []; |
| 21 function rec(resolve, reject) { |
| 22 while (stream.state === 'readable') { |
| 23 chunks.push(stream.read()); |
| 24 } |
| 25 if (stream.state === 'closed') { |
| 26 resolve(chunks); |
| 27 return; |
| 28 } |
| 29 stream.wait().then(function() { |
| 30 rec(resolve, reject); |
| 31 }).catch(reject); |
| 32 } |
| 33 return new Promise(rec); |
| 34 } |
| 35 var streamPromise = undefined; |
| 36 |
| 37 xhr.onreadystatechange = test.step_func(function() { |
| 38 // onreadystatechange can be invoked multiple times in LOADING state. |
| 39 if (seenStates.length == 0 || xhr.readyState != seenStates[seenStates.le
ngth - 1]) |
| 40 seenStates.push(xhr.readyState); |
| 41 |
| 42 switch (xhr.readyState) { |
| 43 case xhr.UNSENT: |
| 44 assert_unreached('Unexpected readyState: UNSENT'); |
| 45 return; |
| 46 |
| 47 case xhr.OPENED: |
| 48 assert_equals(xhr.response, null, 'xhr.response during OPENED'); |
| 49 return; |
| 50 |
| 51 case xhr.HEADERS_RECEIVED: |
| 52 assert_equals(xhr.response, null, 'xhr.response during HEADERS_RECEI
VED'); |
| 53 return; |
| 54 |
| 55 case xhr.LOADING: |
| 56 assert_not_equals(xhr.response, null, 'xhr.response during LOADING')
; |
| 57 assert_true(xhr.response instanceof ReadableStream, |
| 58 'xhr.response should be ReadableStream during LOADING'); |
| 59 if (streamPromise === undefined) { |
| 60 streamPromise = readStream(xhr.response); |
| 61 } |
| 62 return; |
| 63 |
| 64 case xhr.DONE: |
| 65 assert_equals(xhr.status, 200, 'xhr.status'); |
| 66 |
| 67 // Check that we saw all states. |
| 68 assert_array_equals(seenStates, |
| 69 [xhr.OPENED, xhr.HEADERS_RECEIVED, xhr.LOADING, xhr.DONE]); |
| 70 |
| 71 assert_not_equals(streamPromise, undefined, 'streamPromise'); |
| 72 streamPromise.then(test.step_func(function(chunks) { |
| 73 assert_equals(xhr.response.state, 'closed', 'stream status'); |
| 74 var size = 0; |
| 75 for (var i = 0; i < chunks.length; ++i) { |
| 76 size += chunks[i].byteLength; |
| 77 } |
| 78 assert_equals(size, 103746, 'response size'); |
| 79 test.done(); |
| 80 }), test.step_func(function(e) { |
| 81 assert_unreached('failed to read the response stream: ' + e); |
| 82 })); |
| 83 return; |
| 84 |
| 85 default: |
| 86 assert_unreached('Unexpected readyState: ' + xhr.readyState) |
| 87 return; |
| 88 } |
| 89 }); |
| 90 |
| 91 xhr.open('GET', '../resources/test.ogv', true); |
| 92 xhr.send(); |
| 93 }); |
| 94 </script> |
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Chromium Code Reviews
Issue 455303002:
Add 'stream' to XMLHttpRequest response type. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@stream-promise-property-reset