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// Copyright (c) 2013, 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
import "package:expect/expect.dart";
import 'dart:async';
import 'dart:convert';
import "package:async_helper/async_helper.dart";
final TESTS = [
[5, '5'],
[-42, '-42'],
[3.14, '3.14'],
[true, 'true'],
[false, 'false'],
[null, 'null'],
['quote"or\'', '"quote\\"or\'"'],
['', '""'],
[[], "[]"],
[
[3, -4.5, true, "hi", false],
'[3,-4.5,true,"hi",false]'
],
[
[null],
"[null]"
],
[
[
[null]
],
"[[null]]"
],
[
[
[3]
],
"[[3]]"
],
[{}, "{}"],
[
{"x": 3, "y": 4.5, "z": "hi", "u": true, "v": false},
'{"x":3,"y":4.5,"z":"hi","u":true,"v":false}'
],
[
{"x": null},
'{"x":null}'
],
[
{"x": {}},
'{"x":{}}'
],
// Note that -0.0 won't be treated the same in JS. The Json spec seems to
// allow it, though.
[
{"hi there": 499, "'": -0.0},
'{"hi there":499,"\'":-0.0}'
],
[r'\foo', r'"\\foo"'],
];
bool isJsonEqual(o1, o2) {
if (o1 == o2) return true;
if (o1 is List && o2 is List) {
if (o1.length != o2.length) return false;
for (int i = 0; i < o1.length; i++) {
if (!isJsonEqual(o1[i], o2[i])) return false;
}
return true;
}
if (o1 is Map && o2 is Map) {
if (o1.length != o2.length) return false;
for (var key in o1.keys) {
Expect.isTrue(key is String);
if (!o2.containsKey(key)) return false;
if (!isJsonEqual(o1[key], o2[key])) return false;
}
return true;
}
return false;
}
Stream<Object> createStream(List<String> chunks) {
var decoder = new JsonDecoder(null);
var controller;
controller = new StreamController<String>(onListen: () {
chunks.forEach(controller.add);
controller.close();
});
return controller.stream.transform(decoder);
}
Stream<Object> decode(String str) {
return createStream([str]);
}
Stream<Object> decode2(String str) {
return createStream(str.split(""));
}
void checkIsJsonEqual(expected, stream) {
asyncStart();
stream.single.then((o) {
Expect.isTrue(isJsonEqual(expected, o));
asyncEnd();
});
}
void main() {
var tests = TESTS.expand((test) {
var object = test[0];
var string = test[1];
var longString = " "
" "
"$string"
" "
" ";
return [
test,
[object, longString]
];
});
for (var test in tests) {
var o = test[0];
var string = test[1];
checkIsJsonEqual(o, decode(string));
checkIsJsonEqual(o, decode2(string));
}
}