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'use strict';
require('../common');
const assert = require('assert');
const classesToBeTested = [ WritableStream, WritableStreamDefaultWriter, WritableStreamDefaultController,
ReadableStream, ReadableStreamBYOBRequest, ReadableStreamDefaultReader,
ReadableStreamBYOBReader, ReadableStreamDefaultController, ReadableByteStreamController,
ByteLengthQueuingStrategy, CountQueuingStrategy, TransformStream,
TransformStreamDefaultController];
classesToBeTested.forEach((cls) => {
assert.strictEqual(cls.prototype[Symbol.toStringTag], cls.name);
assert.deepStrictEqual(Object.getOwnPropertyDescriptor(cls.prototype, Symbol.toStringTag),
{ configurable: true, enumerable: false, value: cls.name, writable: false });
});
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