| // Copyright (c) 2014, 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. |
| |
| // @dart = 2.9 |
| |
| // Note: This test relies on LF line endings in the source file. |
| // It requires an entry in the .gitattributes file. |
| |
| library json_pretty_test; |
| |
| import 'dart:convert'; |
| |
| import "package:expect/expect.dart"; |
| |
| void _testIndentWithNullChar() { |
| var encoder = const JsonEncoder.withIndent('\x00'); |
| var encoded = encoder.convert([ |
| [], |
| [[]] |
| ]); |
| Expect.equals("[\n\x00[],\n\x00[\n\x00\x00[]\n\x00]\n]", encoded); |
| } |
| |
| void main() { |
| _testIndentWithNullChar(); |
| |
| _expect(null, 'null'); |
| |
| _expect([ |
| [], |
| [[]] |
| ], ''' |
| [ |
| [], |
| [ |
| [] |
| ] |
| ]'''); |
| |
| _expect([1, 2, 3, 4], ''' |
| [ |
| 1, |
| 2, |
| 3, |
| 4 |
| ]'''); |
| |
| _expect([true, null, 'hello', 42.42], ''' |
| [ |
| true, |
| null, |
| "hello", |
| 42.42 |
| ]'''); |
| |
| _expect({"hello": [], "goodbye": {}}, '''{ |
| "hello": [], |
| "goodbye": {} |
| }'''); |
| |
| _expect([ |
| "test", |
| 1, |
| 2, |
| 33234.324, |
| true, |
| false, |
| null, |
| { |
| "test1": "test2", |
| "test3": "test4", |
| "grace": 5, |
| "shanna": [0, 1, 2] |
| }, |
| { |
| "lib": "app.dart", |
| "src": ["foo.dart", "bar.dart"] |
| } |
| ], '''[ |
| "test", |
| 1, |
| 2, |
| 33234.324, |
| true, |
| false, |
| null, |
| { |
| "test1": "test2", |
| "test3": "test4", |
| "grace": 5, |
| "shanna": [ |
| 0, |
| 1, |
| 2 |
| ] |
| }, |
| { |
| "lib": "app.dart", |
| "src": [ |
| "foo.dart", |
| "bar.dart" |
| ] |
| } |
| ]'''); |
| } |
| |
| void _expect(Object object, String expected) { |
| var encoder = const JsonEncoder.withIndent(' '); |
| var prettyOutput = encoder.convert(object); |
| |
| Expect.equals(expected, prettyOutput); |
| |
| encoder = const JsonEncoder.withIndent(''); |
| |
| var flatOutput = encoder.convert(object); |
| |
| var flatExpected = const LineSplitter() |
| .convert(expected) |
| .map((line) => line.trimLeft()) |
| .join('\n'); |
| |
| Expect.equals(flatExpected, flatOutput); |
| |
| var compactOutput = json.encode(object); |
| |
| encoder = const JsonEncoder.withIndent(null); |
| Expect.equals(compactOutput, encoder.convert(object)); |
| |
| var prettyDecoded = json.decode(prettyOutput); |
| |
| Expect.equals(compactOutput, json.encode(prettyDecoded)); |
| } |