blob: f95eb9e38944eb9a315a133f8f6eb43f3a53f412 [file] [log] [blame]
// 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));
}