Bug 1721499 [wpt PR 29723] - Streams: add tests for ReadableStreamBYO…

…BReader.read(view, { min }), a=testonly

Automatic update from web-platform-tests
Streams: add tests for ReadableStreamBYOBReader read(view, { min })

Follows whatwg/streams#1145.
--

wpt-commits: 7eaf605c38d80377c717828376deabad86b702b2
wpt-pr: 29723

testing/web-platform/tests/streams/piping/general.any.js

@@ -1,5 +1,4 @@
 // META: global=window,worker,shadowrealm
-// META: script=../resources/test-utils.js
 // META: script=../resources/recording-streams.js
 'use strict';
 
@@ -39,7 +38,8 @@ promise_test(t => {
   const fakeRS = Object.create(ReadableStream.prototype);
   const ws = new WritableStream();
 
-  return methodRejects(t, ReadableStream.prototype, 'pipeTo', fakeRS, [ws]);
+  return promise_rejects_js(t, TypeError, ReadableStream.prototype.pipeTo.apply(fakeRS, [ws]),
+    'pipeTo should reject with a TypeError');
 
 }, 'pipeTo must check the brand of its ReadableStream this value');
 
@@ -48,7 +48,8 @@ promise_test(t => {
   const rs = new ReadableStream();
   const fakeWS = Object.create(WritableStream.prototype);
 
-  return methodRejects(t, ReadableStream.prototype, 'pipeTo', rs, [fakeWS]);
+  return promise_rejects_js(t, TypeError, ReadableStream.prototype.pipeTo.apply(rs, [fakeWS]),
+    'pipeTo should reject with a TypeError');
 
 }, 'pipeTo must check the brand of its WritableStream argument');
 

testing/web-platform/tests/streams/readable-byte-streams/non-transferable-buffers.any.js

@@ -13,6 +13,18 @@ promise_test(async t => {
   await promise_rejects_js(t, TypeError, reader.read(view));
 }, 'ReadableStream with byte source: read() with a non-transferable buffer');
 
+promise_test(async t => {
+  const rs = new ReadableStream({
+    pull: t.unreached_func('pull() should not be called'),
+    type: 'bytes'
+  });
+
+  const reader = rs.getReader({ mode: 'byob' });
+  const memory = new WebAssembly.Memory({ initial: 1 });
+  const view = new Uint8Array(memory.buffer, 0, 1);
+  await promise_rejects_js(t, TypeError, reader.fill(view));
+}, 'ReadableStream with byte source: fill() with a non-transferable buffer');
+
 test(t => {
   let controller;
   const rs = new ReadableStream({