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Unified Diff: LayoutTests/http/tests/xmlhttprequest/response-stream-cancel.html

Issue 455303002: Add 'stream' to XMLHttpRequest response type. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@stream-promise-property-reset
Patch Set: Created 6 years, 4 months ago
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Index: LayoutTests/http/tests/xmlhttprequest/response-stream-cancel.html
diff --git a/LayoutTests/http/tests/xmlhttprequest/response-stream-cancel.html b/LayoutTests/http/tests/xmlhttprequest/response-stream-cancel.html
new file mode 100644
index 0000000000000000000000000000000000000000..6aaa183eb1e14b0777182d56a6692204804745d0
--- /dev/null
+++ b/LayoutTests/http/tests/xmlhttprequest/response-stream-cancel.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script type="text/javascript">
+var test = async_test('Test canceling XMLHttpRequest with responseType set to "stream".');
+
+test.step(function()
+{
+ var xhr = new XMLHttpRequest;
+
+ xhr.responseType = 'stream';
+
+ var seenStates = [];
+
+ xhr.onreadystatechange = test.step_func(function() {
+ // onreadystatechange can be invoked multiple times in LOADING state.
+ if (seenStates.length == 0 || xhr.readyState != seenStates[seenStates.length - 1])
+ seenStates.push(xhr.readyState);
+
+ switch (xhr.readyState) {
+ case xhr.UNSENT:
+ assert_unreached('Unexpected readyState: UNSENT');
+ return;
+
+ case xhr.OPENED:
+ assert_equals(xhr.response, null, 'xhr.response during OPENED');
+ return;
+
+ case xhr.HEADERS_RECEIVED:
+ assert_equals(xhr.response, null, 'xhr.response during HEADERS_RECEIVED');
+ return;
+
+ case xhr.LOADING:
+ var stream = xhr.response;
+ assert_true(stream instanceof ReadableStream,
+ 'xhr.response should be ReadableStream during LOADING');
+ stream.cancel('canceled via ReadableStream.cancel');
+ assert_equals(stream.state, 'closed', 'stream.state after cancel');
+
+ // Check that we saw all states.
+ assert_array_equals(seenStates,
+ [xhr.OPENED, xhr.HEADERS_RECEIVED, xhr.LOADING, xhr.DONE]);
+
+ assert_equals(xhr.readyState, xhr.UNSENT, 'xhr.readyState after cancel');
+ assert_equals(xhr.response, null, 'xhr.response after cancel');
+ stream.closed.then(test.step_func(function(value) {
+ assert_equals(value, undefined,
+ 'stream.closed should be resolved with undefined');
+ test.done();
+ }), test.step_func(function() {
+ assert_unreached('stream.closed should not be rejected');
+ }));
+
+ case xhr.DONE:
+ return;
+
+ default:
+ assert_unreached('Unexpected readyState: ' + xhr.readyState)
+ return;
+ }
+ });
+
+ xhr.open('GET', '../resources/load-and-stall.php?name=test.ogv&stallAt=32768&stallFor=10', true);
+ xhr.send();
+});
+</script>

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