mirror of
https://github.com/dart-lang/sdk
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b05a57d5f3
Change-Id: I04e64359acb95c63d1b5dc5c7fdfaadcb6c55fd9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/130965 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
130 lines
2.9 KiB
Dart
130 lines
2.9 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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import 'dart:async';
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import 'dart:convert';
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import "package:async_helper/async_helper.dart";
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final TESTS = [
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[5, '5'],
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[-42, '-42'],
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[3.14, '3.14'],
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[true, 'true'],
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[false, 'false'],
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[null, 'null'],
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['quote"or\'', '"quote\\"or\'"'],
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['', '""'],
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[[], "[]"],
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[
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[3, -4.5, true, "hi", false],
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'[3,-4.5,true,"hi",false]'
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],
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[
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[null],
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"[null]"
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],
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[
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[
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[null]
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],
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"[[null]]"
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],
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[
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[
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[3]
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],
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"[[3]]"
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],
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[{}, "{}"],
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[
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{"x": 3, "y": 4.5, "z": "hi", "u": true, "v": false},
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'{"x":3,"y":4.5,"z":"hi","u":true,"v":false}'
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],
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[
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{"x": null},
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'{"x":null}'
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],
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[
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{"x": {}},
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'{"x":{}}'
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],
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// Note that -0.0 won't be treated the same in JS. The Json spec seems to
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// allow it, though.
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[
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{"hi there": 499, "'": -0.0},
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'{"hi there":499,"\'":-0.0}'
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],
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[r'\foo', r'"\\foo"'],
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];
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bool isJsonEqual(o1, o2) {
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if (o1 == o2) return true;
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if (o1 is List && o2 is List) {
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if (o1.length != o2.length) return false;
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for (int i = 0; i < o1.length; i++) {
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if (!isJsonEqual(o1[i], o2[i])) return false;
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}
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return true;
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}
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if (o1 is Map && o2 is Map) {
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if (o1.length != o2.length) return false;
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for (var key in o1.keys) {
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Expect.isTrue(key is String);
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if (!o2.containsKey(key)) return false;
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if (!isJsonEqual(o1[key], o2[key])) return false;
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}
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return true;
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}
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return false;
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}
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Stream<Object?> createStream(List<String> chunks) {
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var decoder = new JsonDecoder(null);
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var controller;
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controller = new StreamController<String>(onListen: () {
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chunks.forEach(controller.add);
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controller.close();
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});
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return controller.stream.transform(decoder);
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}
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Stream<Object?> decode(String str) {
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return createStream([str]);
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}
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Stream<Object?> decode2(String str) {
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return createStream(str.split(""));
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}
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void checkIsJsonEqual(expected, stream) {
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asyncStart();
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stream.single.then((o) {
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Expect.isTrue(isJsonEqual(expected, o));
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asyncEnd();
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});
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}
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void main() {
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var tests = TESTS.expand((test) {
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var object = test[0];
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var string = test[1];
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var longString = " "
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" "
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"$string"
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" "
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" ";
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return [
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test,
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[object, longString]
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];
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});
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for (var test in tests) {
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var o = test[0];
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var string = test[1] as String;
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checkIsJsonEqual(o, decode(string));
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checkIsJsonEqual(o, decode2(string));
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}
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}
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