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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/fetch/api/response/response-body-read-task-handling.html | |
| 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/fetch/api/response/response-body-read-task-handling.html')
| -rw-r--r-- | testing/web-platform/tests/fetch/api/response/response-body-read-task-handling.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/response/response-body-read-task-handling.html b/testing/web-platform/tests/fetch/api/response/response-body-read-task-handling.html new file mode 100644 index 0000000000..64b0755666 --- /dev/null +++ b/testing/web-platform/tests/fetch/api/response/response-body-read-task-handling.html @@ -0,0 +1,86 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="UTF-8"> + <title></title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> +</head> +<body> + <script> +function performMicrotaskCheckpoint() { + document.createNodeIterator(document, -1, { + acceptNode() { + return NodeFilter.FILTER_ACCEPT; + } + }).nextNode(); +} + +promise_test(function() { + return fetch("../resources/data.json").then(function(response) { + // Add a getter for "then" that will incidentally be invoked + // during promise resolution. + Object.prototype.__defineGetter__('then', () => { + // Clean up behind ourselves. + delete Object.prototype.then; + + // This promise should (like all promises) be resolved + // asynchronously. + var executed = false; + Promise.resolve().then(_ => { executed = true; }); + + // This shouldn't run microtasks! They should only run + // after the fetch is resolved. + performMicrotaskCheckpoint(); + + // The fulfill handler above shouldn't have run yet. If it has run, + // throw to reject this promise and fail the test. + assert_false(executed, "shouldn't have run microtasks yet"); + + // Otherwise act as if there's no "then" property so the promise + // fulfills and the test passes. + return undefined; + }); + + // Create a read request, incidentally resolving a promise with an + // object value, thereby invoking the getter installed above. + return response.body.getReader().read(); + }); +}, "reading from a body stream should occur in a microtask scope"); + +promise_test(function() { + return fetch("../resources/data.json").then(function(response) { + // Add a getter for "then" that will incidentally be invoked + // during promise resolution. + Object.prototype.__defineGetter__('then', () => { + // Clean up behind ourselves. + delete Object.prototype.then; + + // This promise should (like all promises) be resolved + // asynchronously. + var executed = false; + Promise.resolve().then(_ => { executed = true; }); + + // This shouldn't run microtasks! They should only run + // after the fetch is resolved. + performMicrotaskCheckpoint(); + + // The fulfill handler above shouldn't have run yet. If it has run, + // throw to reject this promise and fail the test. + assert_false(executed, "shouldn't have run microtasks yet"); + + // Otherwise act as if there's no "then" property so the promise + // fulfills and the test passes. + return undefined; + }); + + // Create a read request, incidentally resolving a promise with an + // object value, thereby invoking the getter installed above. + return response.body.pipeTo(new WritableStream({ + write(chunk) {} + })) + }); +}, "piping from a body stream to a JS-written WritableStream should occur in a microtask scope"); + </script> +</body> +</html> |