70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
// META: global=window,worker,shadowrealm
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'use strict';
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promise_test(async t => {
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const rs = new ReadableStream({
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pull: t.unreached_func('pull() should not be called'),
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type: 'bytes'
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});
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const reader = rs.getReader({ mode: 'byob' });
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const memory = new WebAssembly.Memory({ initial: 1 });
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const view = new Uint8Array(memory.buffer, 0, 1);
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await promise_rejects_js(t, TypeError, reader.read(view));
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}, 'ReadableStream with byte source: read() with a non-transferable buffer');
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promise_test(async t => {
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const rs = new ReadableStream({
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pull: t.unreached_func('pull() should not be called'),
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type: 'bytes'
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});
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const reader = rs.getReader({ mode: 'byob' });
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const memory = new WebAssembly.Memory({ initial: 1 });
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const view = new Uint8Array(memory.buffer, 0, 1);
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await promise_rejects_js(t, TypeError, reader.read(view, { min: 1 }));
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}, 'ReadableStream with byte source: fill() with a non-transferable buffer');
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test(t => {
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let controller;
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const rs = new ReadableStream({
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start(c) {
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controller = c;
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},
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pull: t.unreached_func('pull() should not be called'),
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type: 'bytes'
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});
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const memory = new WebAssembly.Memory({ initial: 1 });
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const view = new Uint8Array(memory.buffer, 0, 1);
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assert_throws_js(TypeError, () => controller.enqueue(view));
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}, 'ReadableStream with byte source: enqueue() with a non-transferable buffer');
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promise_test(async t => {
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let byobRequest;
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let resolvePullCalledPromise;
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const pullCalledPromise = new Promise(resolve => {
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resolvePullCalledPromise = resolve;
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});
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const rs = new ReadableStream({
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pull(controller) {
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byobRequest = controller.byobRequest;
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resolvePullCalledPromise();
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},
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type: 'bytes'
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});
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const memory = new WebAssembly.Memory({ initial: 1 });
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// Make sure the backing buffers of both views have the same length
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const byobView = new Uint8Array(new ArrayBuffer(memory.buffer.byteLength), 0, 1);
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const newView = new Uint8Array(memory.buffer, byobView.byteOffset, byobView.byteLength);
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const reader = rs.getReader({ mode: 'byob' });
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reader.read(byobView).then(
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t.unreached_func('read() should not resolve'),
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t.unreached_func('read() should not reject')
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);
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await pullCalledPromise;
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assert_throws_js(TypeError, () => byobRequest.respondWithNewView(newView));
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}, 'ReadableStream with byte source: respondWithNewView() with a non-transferable buffer');
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