blob: 976158f7221960d4233975da07e5840dd8d72f1b [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.
// Test symbol literals.
library symbol_literal_test;
import 'package:expect/expect.dart';
foo(a, b) => Expect.isTrue(identical(a, b));
var check = foo; // Indirection used to avoid inlining.
testSwitch(Symbol s) {
switch (s) {
case #abc:
return 1;
case const Symbol("def"):
return 2;
return 0;
main() {
bool doChecks = false;
doChecks = true;
if (doChecks) {
check(const Symbol("a"), #a);
check(const Symbol("a"), #a);
check(const Symbol("ab"), #ab);
check(const Symbol("ab"), #ab);
check(const Symbol("a.b"), #a.b);
check(const Symbol("a.b"), #a.b);
check(const Symbol("=="), #==);
check(const Symbol("=="), #==);
check(const Symbol("a.toString"), #a.toString);
Expect.equals(1, testSwitch(#abc));
const m = const <Symbol, int>{#A: 0, #B: 1};
Expect.equals(1, m[#B]);
// Tries to call the symbol literal #a.toString
Expect.throwsNoSuchMethodError(() => #a.toString());
// ^^^^^^^^^^^
// ^
// [cfe] The method 'call' isn't defined for the class 'Symbol'.