blob: 14576a6ee3de61a3f3b654e5d7fe2c09b74e99d3 [file] [log] [blame]
// Copyright (c) 2011, 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";
void testSimpleScope() {
{
var a = "Test";
int b = 1;
}
{
var c;
int d;
Expect.isNull(c);
Expect.isNull(d);
}
}
void testShadowingScope() {
var a = "Test";
{
var a;
Expect.isNull(a);
a = "a";
Expect.equals(a, "a");
}
Expect.equals(a, "Test");
}
int testShadowingAfterUse() {
var a = 1;
{
var b = 2;
var c = a; // Use of 'a' prior to its shadow declaration below.
// ^
// [analyzer] COMPILE_TIME_ERROR.REFERENCED_BEFORE_DECLARATION
var d = b + c;
// Shadow declaration of 'a'.
var a = 5;
// ^
// [cfe] Can't declare 'a' because it was already used in this scope.
return d + a;
}
}
main() {
testSimpleScope();
testShadowingScope();
testShadowingAfterUse();
}