mirror of
https://github.com/dart-lang/sdk
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63a57a76ce
This reverts commit f8ff12008e.
This CL is a revert of the initial revert and should be landed once
Flutter changes have been merged to handle the changes here.
Change-Id: I300a5efd776bf2a596743971f4e15ad62da77f5a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/153368
Commit-Queue: Srujan Gaddam <srujzs@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
47 lines
1.4 KiB
Dart
47 lines
1.4 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'dart:html';
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import 'dart:typed_data';
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import 'package:expect/minitest.dart';
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main() {
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group('supported', () {
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test('supported', () {
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expect(Crypto.supported, true);
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});
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});
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group('functional', () {
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if (Crypto.supported) {
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// This will actually pass on FF since it has a Crypto API, but it is
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// incompatible.
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test('exists', () {
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var crypto = window.crypto;
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expect(crypto is Crypto, isTrue);
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});
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test('successful call', () {
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var crypto = window.crypto!;
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var data = new Uint8List(100);
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expect(data.every((e) => e == 0), isTrue);
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crypto.getRandomValues(data);
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// In theory this is flaky. However, in practice you will get 100 zeroes
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// in a row from a cryptographically secure random number generator so
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// rarely that we don't have to worry about it.
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expect(data.any((e) => e != 0), isTrue);
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});
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test('type mismatch', () {
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var crypto = window.crypto!;
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var data = new Float32List(100);
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expect(() {
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crypto.getRandomValues(data);
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}, throws, reason: 'Only typed array views with integer types allowed');
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});
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}
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});
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}
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