Bob Nystrom
bd2a7a7993
Change-Id: Ie62df46d0fcf745ac45f693abf392040fda9e6c1 Reviewed-on: https://dart-review.googlesource.com/3426 Reviewed-by: Ben Konyi <bkonyi@google.com>
87 lines
1.6 KiB
Dart
87 lines
1.6 KiB
Dart
// Copyright (c) 2012, 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 correct instance compound assignment operator.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class A {
|
|
A() : f = 2 {}
|
|
var f;
|
|
operator [](index) => f;
|
|
operator []=(index, value) => f = value;
|
|
|
|
var _g = 0;
|
|
var gGetCount = 0;
|
|
var gSetCount = 0;
|
|
get g {
|
|
gGetCount++;
|
|
return _g;
|
|
}
|
|
|
|
set g(value) {
|
|
gSetCount++;
|
|
_g = value;
|
|
}
|
|
}
|
|
|
|
class B {
|
|
B()
|
|
: _a = new A(),
|
|
count = 0 {}
|
|
get a {
|
|
count++;
|
|
return _a;
|
|
}
|
|
|
|
var _a;
|
|
var count;
|
|
}
|
|
|
|
var globalA;
|
|
var fooCounter = 0;
|
|
foo() {
|
|
fooCounter++;
|
|
return globalA;
|
|
}
|
|
|
|
main() {
|
|
B b = new B();
|
|
Expect.equals(0, b.count);
|
|
Expect.equals(2, b.a.f);
|
|
Expect.equals(1, b.count);
|
|
var o = b.a;
|
|
Expect.equals(2, b.count);
|
|
b.a.f = 1;
|
|
Expect.equals(3, b.count);
|
|
Expect.equals(1, b._a.f);
|
|
b.a.f += 1;
|
|
Expect.equals(4, b.count);
|
|
Expect.equals(2, b._a.f);
|
|
|
|
b.count = 0;
|
|
b._a.f = 2;
|
|
Expect.equals(0, b.count);
|
|
Expect.equals(2, b.a[0]);
|
|
Expect.equals(1, b.count);
|
|
o = b.a;
|
|
Expect.equals(2, b.count);
|
|
b.a[0] = 1;
|
|
Expect.equals(3, b.count);
|
|
Expect.equals(1, b._a.f);
|
|
b.a[0] += 1;
|
|
Expect.equals(4, b.count);
|
|
Expect.equals(2, b._a.f);
|
|
|
|
b._a.g++;
|
|
Expect.equals(1, b._a.gGetCount);
|
|
Expect.equals(1, b._a.gSetCount);
|
|
Expect.equals(1, b._a._g);
|
|
|
|
globalA = b._a;
|
|
globalA.f = 0;
|
|
foo().f += 1;
|
|
Expect.equals(1, fooCounter);
|
|
Expect.equals(1, globalA.f);
|
|
}
|