Index: test/hex_test.dart |
diff --git a/test/hex_test.dart b/test/hex_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..69039d38b582e223f0b20a956397b467922ba484 |
--- /dev/null |
+++ b/test/hex_test.dart |
@@ -0,0 +1,146 @@ |
+// 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 = []; |
+ var controller = new StreamController(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 = []; |
+ var controller = new StreamController(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", () { |
+ var results; |
+ var sink; |
+ setUp(() { |
+ results = []; |
+ var controller = new StreamController(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, equals([[]])); |
+ |
+ sink.add("00"); |
+ 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); |
+ |
+ var sink = hex.decoder.startChunkedConversion( |
+ new StreamController(sync: true)); |
+ expect(() => sink.add("a$char"), throwsFormatException); |
Lasse Reichstein Nielsen
2015/09/24 08:07:02
Also try them as first digit and as the single dig
nweiz
2015/09/24 23:23:42
Done.
|
+ }); |
+ } |
+ }); |
+ |
+ test("rejects odd characters detected in convert()", () { |
Lasse Reichstein Nielsen
2015/09/24 08:07:02
odd characters -> odd length
nweiz
2015/09/24 23:23:42
Done.
|
+ expect(() => hex.decode("1ab23cd"), throwsFormatException); |
+ }); |
+ }); |
+} |