Robert Nystrom
bf13a576fd
Change-Id: I550bb08a2c933799cbaa9586c85869bfc56ce1b0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425328 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com>
106 lines
2.1 KiB
Dart
106 lines
2.1 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:convert';
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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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class MyStringConversionSink extends StringConversionSink {
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var buffer = new StringBuffer();
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var callback;
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MyStringConversionSink(this.callback);
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addSlice(str, start, end, bool isLast) {
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buffer.write(str.substring(start, end));
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if (isLast) close();
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}
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close() {
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callback(buffer.toString());
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}
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}
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String encode(Object? o) {
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var result;
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ChunkedConversionSink<String> stringSink = new MyStringConversionSink(
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(x) => result = x,
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);
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var objectSink = new JsonEncoder().startChunkedConversion(stringSink);
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objectSink.add(o);
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objectSink.close();
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return result;
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}
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String encode2(Object? o) {
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var result;
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var encoder = new JsonEncoder();
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ChunkedConversionSink<String> stringSink =
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new StringConversionSink.withCallback((x) => result = x);
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var objectSink = encoder.startChunkedConversion(stringSink);
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objectSink.add(o);
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objectSink.close();
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return result;
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}
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main() {
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for (var test in TESTS) {
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var o = test[0];
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var expected = test[1];
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Expect.equals(expected, encode(o));
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Expect.equals(expected, encode2(o));
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}
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}
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