blob: 9151b7b24290e5309acd10c805fad48b545d89f6 [file] [log] [blame]
// 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.
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"'],
];
Stream<String> encode(Object? o) {
var encoder = new JsonEncoder();
late StreamController controller;
controller = new StreamController(onListen: () {
controller.add(o);
controller.close();
});
return controller.stream.transform(encoder);
}
void testNoPause(String expected, Object? o) {
asyncStart();
Stream stream = encode(o);
stream.toList().then((list) {
StringBuffer buffer = new StringBuffer();
buffer.writeAll(list);
Expect.stringEquals(expected, buffer.toString());
asyncEnd();
});
}
void testWithPause(String expected, Object? o) {
asyncStart();
Stream stream = encode(o);
StringBuffer buffer = new StringBuffer();
var sub;
sub = stream.listen((x) {
buffer.write(x);
sub.pause(new Future.delayed(Duration.zero));
}, onDone: () {
Expect.stringEquals(expected, buffer.toString());
asyncEnd();
});
}
void main() {
for (var test in TESTS) {
var o = test[0];
var expected = test[1] as String;
testNoPause(expected, o);
testWithPause(expected, o);
}
}