| Index: packages/convert/test/hex_test.dart
|
| diff --git a/packages/convert/test/hex_test.dart b/packages/convert/test/hex_test.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..837085f6bc4a04f1361656c1eca4801219fd81f6
|
| --- /dev/null
|
| +++ b/packages/convert/test/hex_test.dart
|
| @@ -0,0 +1,153 @@
|
| +// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
|
| +// for details. All rights reserved. Use of this source code is governed by a
|
| +// BSD-style license that can be found in the LICENSE file.
|
| +
|
| +import 'dart:async';
|
| +
|
| +import 'package:convert/convert.dart';
|
| +import 'package:test/test.dart';
|
| +
|
| +void main() {
|
| + group("encoder", () {
|
| + test("converts byte arrays to hex", () {
|
| + expect(hex.encode([0x1a, 0xb2, 0x3c, 0xd4]), equals("1ab23cd4"));
|
| + expect(hex.encode([0x00, 0x01, 0xfe, 0xff]), equals("0001feff"));
|
| + });
|
| +
|
| + group("with chunked conversion", () {
|
| + test("converts byte arrays to hex", () {
|
| + var results = <String>[];
|
| + var controller = new StreamController<String>(sync: true);
|
| + controller.stream.listen(results.add);
|
| + var sink = hex.encoder.startChunkedConversion(controller.sink);
|
| +
|
| + sink.add([0x1a, 0xb2, 0x3c, 0xd4]);
|
| + expect(results, equals(["1ab23cd4"]));
|
| +
|
| + sink.add([0x00, 0x01, 0xfe, 0xff]);
|
| + expect(results, equals(["1ab23cd4", "0001feff"]));
|
| + });
|
| +
|
| + test("handles empty and single-byte lists", () {
|
| + var results = <String>[];
|
| + var controller = new StreamController<String>(sync: true);
|
| + controller.stream.listen(results.add);
|
| + var sink = hex.encoder.startChunkedConversion(controller.sink);
|
| +
|
| + sink.add([]);
|
| + expect(results, equals([""]));
|
| +
|
| + sink.add([0x00]);
|
| + expect(results, equals(["", "00"]));
|
| +
|
| + sink.add([]);
|
| + expect(results, equals(["", "00", ""]));
|
| + });
|
| + });
|
| +
|
| + test("rejects non-bytes", () {
|
| + expect(() => hex.encode([0x100]), throwsFormatException);
|
| +
|
| + var sink = hex.encoder.startChunkedConversion(
|
| + new StreamController(sync: true));
|
| + expect(() => sink.add([0x100]), throwsFormatException);
|
| + });
|
| + });
|
| +
|
| + group("decoder", () {
|
| + test("converts hex to byte arrays", () {
|
| + expect(hex.decode("1ab23cd4"), equals([0x1a, 0xb2, 0x3c, 0xd4]));
|
| + expect(hex.decode("0001feff"), equals([0x00, 0x01, 0xfe, 0xff]));
|
| + });
|
| +
|
| + test("supports uppercase letters", () {
|
| + expect(hex.decode("0123456789ABCDEFabcdef"), equals([
|
| + 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xab, 0xcd, 0xef
|
| + ]));
|
| + });
|
| +
|
| + group("with chunked conversion", () {
|
| + List<List<int>> results;
|
| + var sink;
|
| + setUp(() {
|
| + results = [];
|
| + var controller = new StreamController<List<int>>(sync: true);
|
| + controller.stream.listen(results.add);
|
| + sink = hex.decoder.startChunkedConversion(controller.sink);
|
| + });
|
| +
|
| + test("converts hex to byte arrays", () {
|
| + sink.add("1ab23cd4");
|
| + expect(results, equals([[0x1a, 0xb2, 0x3c, 0xd4]]));
|
| +
|
| + sink.add("0001feff");
|
| + expect(results,
|
| + equals([[0x1a, 0xb2, 0x3c, 0xd4], [0x00, 0x01, 0xfe, 0xff]]));
|
| + });
|
| +
|
| + test("supports trailing digits split across chunks", () {
|
| + sink.add("1ab23");
|
| + expect(results, equals([[0x1a, 0xb2]]));
|
| +
|
| + sink.add("cd");
|
| + expect(results, equals([[0x1a, 0xb2], [0x3c]]));
|
| +
|
| + sink.add("40001");
|
| + expect(results, equals([[0x1a, 0xb2], [0x3c], [0xd4, 0x00, 0x01]]));
|
| +
|
| + sink.add("feff");
|
| + expect(results,
|
| + equals([[0x1a, 0xb2], [0x3c], [0xd4, 0x00, 0x01], [0xfe, 0xff]]));
|
| + });
|
| +
|
| + test("supports empty strings", () {
|
| + sink.add("");
|
| + expect(results, isEmpty);
|
| +
|
| + sink.add("0");
|
| + expect(results, equals([[]]));
|
| +
|
| + sink.add("");
|
| + expect(results, equals([[]]));
|
| +
|
| + sink.add("0");
|
| + expect(results, equals([[], [0x00]]));
|
| +
|
| + sink.add("");
|
| + expect(results, equals([[], [0x00]]));
|
| + });
|
| +
|
| + test("rejects odd length detected in close()", () {
|
| + sink.add("1ab23");
|
| + expect(results, equals([[0x1a, 0xb2]]));
|
| + expect(() => sink.close(), throwsFormatException);
|
| + });
|
| +
|
| + test("rejects odd length detected in addSlice()", () {
|
| + sink.addSlice("1ab23cd", 0, 5, false);
|
| + expect(results, equals([[0x1a, 0xb2]]));
|
| +
|
| + expect(() => sink.addSlice("1ab23cd", 5, 7, true),
|
| + throwsFormatException);
|
| + });
|
| + });
|
| +
|
| + group("rejects non-hex character", () {
|
| + for (var char in
|
| + ["g", "G", "/", ":", "@", "`", "\x00", "\u0141", "\u{10041}"]) {
|
| + test('"$char"', () {
|
| + expect(() => hex.decode("a$char"), throwsFormatException);
|
| + expect(() => hex.decode("${char}a"), throwsFormatException);
|
| +
|
| + var sink = hex.decoder.startChunkedConversion(
|
| + new StreamController(sync: true));
|
| + expect(() => sink.add(char), throwsFormatException);
|
| + });
|
| + }
|
| + });
|
| +
|
| + test("rejects odd length detected in convert()", () {
|
| + expect(() => hex.decode("1ab23cd"), throwsFormatException);
|
| + });
|
| + });
|
| +}
|
|
|