test: update wpt test for streams

test/fixtures/wpt/README.md

@@ -27,7 +27,7 @@ Last update:
 - performance-timeline: https://github.com/web-platform-tests/wpt/tree/17ebc3aea0/performance-timeline
 - resource-timing: https://github.com/web-platform-tests/wpt/tree/22d38586d0/resource-timing
 - resources: https://github.com/web-platform-tests/wpt/tree/1e140d63ec/resources
-- streams: https://github.com/web-platform-tests/wpt/tree/9b03282a99/streams
+- streams: https://github.com/web-platform-tests/wpt/tree/2bd26e124c/streams
 - url: https://github.com/web-platform-tests/wpt/tree/6a39784534/url
 - user-timing: https://github.com/web-platform-tests/wpt/tree/5ae85bf826/user-timing
 - wasm/jsapi: https://github.com/web-platform-tests/wpt/tree/cde25e7e3c/wasm/jsapi

test/fixtures/wpt/streams/piping/abort.any.js

@@ -183,6 +183,46 @@ for (const reason of [null, undefined, error1]) {
   }, `(reason: '${reason}') all pending writes should complete on abort`);
 }
 
+for (const reason of [null, undefined, error1]) {
+  promise_test(async t => {
+    let rejectPull;
+    const pullPromise = new Promise((_, reject) => {
+      rejectPull = reject;
+    });
+    let rejectCancel;
+    const cancelPromise = new Promise((_, reject) => {
+      rejectCancel = reject;
+    });
+    const rs = recordingReadableStream({
+      async pull() {
+        await Promise.race([
+          pullPromise,
+          cancelPromise,
+        ]);
+      },
+      cancel(reason) {
+        rejectCancel(reason);
+      },
+    });
+    const ws = new WritableStream();
+    const abortController = new AbortController();
+    const signal = abortController.signal;
+    const pipeToPromise = rs.pipeTo(ws, { signal });
+    pipeToPromise.catch(() => {}); // Prevent unhandled rejection.
+    await delay(0);
+    abortController.abort(reason);
+    rejectPull('should not catch pull rejection');
+    await delay(0);
+    assert_equals(rs.eventsWithoutPulls.length, 2, 'cancel should have been called');
+    assert_equals(rs.eventsWithoutPulls[0], 'cancel', 'first event should be cancel');
+    if (reason !== undefined) {
+      await promise_rejects_exactly(t, reason, pipeToPromise, 'pipeTo rejects with abort reason');
+    } else {
+      await promise_rejects_dom(t, 'AbortError', pipeToPromise, 'pipeTo rejects with AbortError');
+    }
+  }, `(reason: '${reason}') underlyingSource.cancel() should called when abort, even with pending pull`);
+}
+
 promise_test(t => {
   const rs = new ReadableStream({
     pull(controller) {

test/fixtures/wpt/streams/readable-streams/cancel.any.js

@@ -234,3 +234,28 @@ promise_test(() => {
   return Promise.all([rs.cancel(), rs.getReader().closed]);
 
 }, 'ReadableStream cancellation: cancelling before start finishes should prevent pull() from being called');
+
+promise_test(async () => {
+
+  const events = [];
+
+  const pendingPromise = new Promise(() => {});
+
+  const rs = new ReadableStream({
+    pull() {
+      events.push('pull');
+      return pendingPromise;
+    },
+    cancel() {
+      events.push('cancel');
+    }
+  });
+
+  const reader = rs.getReader();
+  reader.read().catch(() => {}); // No await.
+  await delay(0);
+  await Promise.all([reader.cancel(), reader.closed]);
+
+  assert_array_equals(events, ['pull', 'cancel'], 'cancel should have been called');
+
+}, 'ReadableStream cancellation: underlyingSource.cancel() should called, even with pending pull');

test/fixtures/wpt/streams/readable-streams/from.any.js

@@ -51,44 +51,50 @@ const iterableFactories = [
 
   ['a sync iterable of values', () => {
     const chunks = ['a', 'b'];
-    const it = {
+    const iterator = {
       next() {
         return {
           done: chunks.length === 0,
           value: chunks.shift()
         };
-      },
-      [Symbol.iterator]: () => it
+      }
+    };
+    const iterable = {
+      [Symbol.iterator]: () => iterator
     };
-    return it;
+    return iterable;
   }],
 
   ['a sync iterable of promises', () => {
     const chunks = ['a', 'b'];
-    const it = {
+    const iterator = {
       next() {
         return chunks.length === 0 ? { done: true } : {
           done: false,
           value: Promise.resolve(chunks.shift())
         };
-      },
-      [Symbol.iterator]: () => it
+      }
+    };
+    const iterable = {
+      [Symbol.iterator]: () => iterator
     };
-    return it;
+    return iterable;
   }],
 
   ['an async iterable', () => {
     const chunks = ['a', 'b'];
-    const it = {
+    const asyncIterator = {
       next() {
         return Promise.resolve({
           done: chunks.length === 0,
           value: chunks.shift()
         })
-      },
-      [Symbol.asyncIterator]: () => it
+      }
+    };
+    const asyncIterable = {
+      [Symbol.asyncIterator]: () => asyncIterator
     };
-    return it;
+    return asyncIterable;
   }],
 
   ['a ReadableStream', () => {
@@ -186,6 +192,18 @@ test(t => {
   assert_throws_exactly(theError, () => ReadableStream.from(iterable), 'from() should re-throw the error');
 }, `ReadableStream.from ignores @@iterator if @@asyncIterator exists`);
 
+test(() => {
+  const theError = new Error('a unique string');
+  const iterable = {
+    [Symbol.asyncIterator]: null,
+    [Symbol.iterator]() {
+      throw theError
+    }
+  };
+
+  assert_throws_exactly(theError, () => ReadableStream.from(iterable), 'from() should re-throw the error');
+}, `ReadableStream.from ignores a null @@asyncIterator`);
+
 promise_test(async () => {
 
   const iterable = {

test/fixtures/wpt/versions.json

@@ -68,7 +68,7 @@
     "path": "resources"
   },
   "streams": {
-    "commit": "9b03282a99ef2314c1c2d5050a105a74a2940019",
+    "commit": "2bd26e124cf17b2f0a25c150794d640b07b2a870",
     "path": "streams"
   },
   "url": {

test/wpt/status/streams.json

@@ -16,6 +16,13 @@
   "readable-streams/cross-realm-crash.window.js": {
     "skip": "Browser-specific test"
   },
+  "readable-streams/from.any.js": {
+    "fail": {
+      "expected": [
+        "ReadableStream.from ignores a null @@asyncIterator"
+      ]
+    }
+  },
   "readable-streams/owning-type-message-port.any.js": {
     "fail": {
       "note": "Readable streams with type owning are not yet supported",
@@ -29,8 +36,8 @@
     "skip": "Browser-specific test"
   },
   "readable-streams/owning-type.any.js": {
+    "note": "Readable streams with type owning are not yet supported",
     "fail": {
-      "note": "Readable streams with type owning are not yet supported",
       "expected": [
         "ReadableStream can be constructed with owning type",
         "ReadableStream of type owning should call start with a ReadableStreamDefaultController",
@@ -40,6 +47,9 @@
       ]
     }
   },
+  "readable-streams/read-task-handling.window.js": {
+    "skip": "Browser-specific test"
+  },
   "transferable/deserialize-error.window.js": {
     "skip": "Browser-specific test"
   },
@@ -56,8 +66,5 @@
   },
   "transform-streams/invalid-realm.tentative.window.js": {
     "skip": "Browser-specific test"
-  },
-  "readable-streams/read-task-handling.window.js": {
-    "skip": "Browser-specific test"
   }
 }