25232696112

Committed 01 May 2026 08:53PM UTC coverage: 90.337% (-0.1%) from 90.474%

Build # 25232696112

Build Type

push

github

Committed by

web-flow

Commit Message

ci: trim browser matrix and cache Android AVD (#266)

Coverage Stats

3730 of 4129 relevant lines covered (90.34%)

1.31 hits per line

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75.0

/lib/src/webcrypto/webcrypto.random.dart

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

part of 'webcrypto.dart';

/// Fill [destination] with cryptographically random values.
///
/// Does not accept a [destination] larger than `65536` bytes, use multiple
/// calls to obtain more random bytes.
///
/// **Example**
/// ```dart
/// import 'dart:convert' show base64;
/// import 'dart:typed_data' show Uint8List;
/// import 'package:webcrypto/webcrypto.dart';
///
/// // Allocated a byte array of 64 bytes.
/// final bytes = Uint8List(64);
///
/// // Fill with random bytes.
/// fillRandomBytes(bytes);
///
/// // Print base64 encoded random bytes.
/// print(base64.encode(bytes));
/// ```
void fillRandomBytes(
  TypedData destination,
  // Note: Uint8List and friends all implement TypedData, but dartdoc has a bug
  //       where it's not reporting this.
) {
  // This limitation is given in the Web Cryptography Specification, see:
  // https://www.w3.org/TR/WebCryptoAPI/#Crypto-method-getRandomValues
  if (destination.lengthInBytes > 65536) {
    throw ArgumentError.value(
      destination,
      'destination',
      'array of more than 65536 bytes is not allowed',
    );
  }

  webCryptImpl.random.fillRandomBytes(destination);
}

1	// Copyright 2020 Google LLC
2	//
3	// Licensed under the Apache License, Version 2.0 (the "License");
4	// you may not use this file except in compliance with the License.
5	// You may obtain a copy of the License at
6	//
7	// http://www.apache.org/licenses/LICENSE-2.0
8	//
9	// Unless required by applicable law or agreed to in writing, software
10	// distributed under the License is distributed on an "AS IS" BASIS,
11	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12	// See the License for the specific language governing permissions and
13	// limitations under the License.
14
15	part of 'webcrypto.dart';
16
17	/// Fill [destination] with cryptographically random values.
18	///
19	/// Does not accept a [destination] larger than `65536` bytes, use multiple
20	/// calls to obtain more random bytes.
21	///
22	/// Example
23	/// ```dart
24	/// import 'dart:convert' show base64;
25	/// import 'dart:typed_data' show Uint8List;
26	/// import 'package:webcrypto/webcrypto.dart';
27	///
28	/// // Allocated a byte array of 64 bytes.
29	/// final bytes = Uint8List(64);
30	///
31	/// // Fill with random bytes.
32	/// fillRandomBytes(bytes);
33	///
34	/// // Print base64 encoded random bytes.
35	/// print(base64.encode(bytes));
36	/// ```
37	void fillRandomBytes(	1✔
38	TypedData destination,
39	// Note: Uint8List and friends all implement TypedData, but dartdoc has a bug
40	// where it's not reporting this.
41	) {
42	// This limitation is given in the Web Cryptography Specification, see:
43	// https://www.w3.org/TR/WebCryptoAPI/#Crypto-method-getRandomValues
44	if (destination.lengthInBytes > 65536) {	2✔
45	throw ArgumentError.value(	×
46	destination,
47	'destination',
48	'array of more than 65536 bytes is not allowed',
49	);
50	}
51
52	webCryptImpl.random.fillRandomBytes(destination);	2✔
53	}

google / webcrypto.dart / 25232696112

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