blob: 287565bbdc06d6626734850e12e0926011de4e3d [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.
// Basic test of Symbol class.
main() {
var x;
print(x = const Symbol('fisk'));
try {
print(const Symbol(0)); //# 01: compile-time error
} on NoSuchMethodError {
print('Caught NoSuchMethodError');
} on TypeError {
print('Caught TypeError');
print(const Symbol('0'));
print(const Symbol('_'));
print(new Symbol('0'));
print(new Symbol('_'));
if (!identical(const Symbol('fisk'), x)) {
throw 'Symbol constant is not canonicalized';
if (const Symbol('fisk') != x) {
throw 'Symbol constant is not equal to itself';
if (const Symbol('fisk') != new Symbol('fisk')) {
throw 'Symbol constant is not equal to its non-const equivalent';
if (new Symbol('fisk') != new Symbol('fisk')) {
throw 'new Symbol is not equal to its equivalent';
if (new Symbol('fisk') == new Symbol('hest')) {
throw 'unrelated Symbols are equal';
if (new Symbol('fisk') == new Object()) {
throw 'unrelated objects are equal';
x.hashCode as int;
new Symbol('fisk').hashCode as int;
if (new Symbol('fisk').hashCode != x.hashCode) {
throw "non-const Symbol's hashCode not equal to its const equivalent";
if (new Symbol('') != Symbol.empty) {
throw 'empty Symbol not equals to itself';