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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <script src="../resources/testharness.js"></script> |
| 5 <script src="../resources/testharnessreport.js"></script> |
| 6 </head> |
| 7 <body> |
| 8 <p> Verify that a load ProgressEvent is dispatched and have the expected values.
</p> |
| 9 <div id="log"></div> |
| 10 <script type="text/javascript"> |
| 11 |
| 12 var xhr; |
| 13 var payload = "data"; |
| 14 var expectedLength = payload.length; |
| 15 var results = ""; |
| 16 var expected = " loadstart readyState=DONE load"; |
| 17 |
| 18 function verifyProgressEvent(context, e, expected) |
| 19 { |
| 20 assert_true(e.lengthComputable); |
| 21 assert_equals(e.loaded, expected, "Expected 'loaded' value for '" + context
+ "' event."); |
| 22 assert_equals(e.total, expected, "Expected 'total' value for '" + context +
"' event."); |
| 23 } |
| 24 |
| 25 function logProgressEvent(e) { |
| 26 results += " " + e.type; |
| 27 } |
| 28 |
| 29 function logUnexpectedProgressEvent(e) { |
| 30 results += " [unexpected ProgressEvent: " + e.type + "]"; |
| 31 completeTest(); |
| 32 } |
| 33 |
| 34 function completeTest() |
| 35 { |
| 36 assert_equals(results, expected, "Expected load event sequence"); |
| 37 testOnloadEvent.done(); |
| 38 } |
| 39 |
| 40 function loadHandler(e) |
| 41 { |
| 42 logProgressEvent(e); |
| 43 assert_true(e instanceof ProgressEvent); |
| 44 verifyProgressEvent("onload", e, expectedLength); |
| 45 completeTest(); |
| 46 } |
| 47 |
| 48 var testOnloadEvent = async_test("Check that 'load' events are delivered and hav
e expected values."); |
| 49 testOnloadEvent.step(function () { |
| 50 xhr = new XMLHttpRequest(); |
| 51 xhr.onreadystatechange = testOnloadEvent.step_func(function(e) { |
| 52 if (xhr.readyState == xhr.DONE) |
| 53 results += " readyState=DONE"; |
| 54 }); |
| 55 xhr.onloadstart = testOnloadEvent.step_func(logProgressEvent); |
| 56 xhr.onabort = testOnloadEvent.step_func(logUnexpectedProgressEvent); |
| 57 xhr.onerror = testOnloadEvent.step_func(logUnexpectedProgressEvent); |
| 58 xhr.onload = testOnloadEvent.step_func(loadHandler); |
| 59 xhr.open("POST", "resources/post-echo.php", true); |
| 60 xhr.send(payload); |
| 61 }); |
| 62 </script> |
| 63 </body> |
| 64 </html> |
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Chromium Code Reviews
Issue 79953004:
Improve fidelity of XHR progress events. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master