// Copyright (c) 2017, 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.

/*@testedFeatures=inference*/
library test;

int getInt() => 0;
num getNum() => 0;
double getDouble() => 0.0;

void test1(int t, int? t2) {
  var /*@type=int*/ v1 = t = getInt();

  var /*@type=int*/ v4 = t2 ??= getInt();

  var /*@type=int*/ v7 = t /*@target=num.+*/ += getInt();

  var /*@type=int*/ v10 = /*@target=num.+*/ ++t;

  var /*@type=int*/ v11 = /*@type=int*/ t /*@type=int*/ /*@target=num.+*/ ++;
}

void test2(num t, num? t2, num? t3, num? t4) {
  var /*@type=int*/ v1 = t = getInt();

  var /*@type=num*/ v2 = t = getNum();

  var /*@type=double*/ v3 = t = getDouble();

  var /*@type=num*/ v4 = t2 ??= getInt();

  var /*@type=num*/ v5 = t3 ??= getNum();

  var /*@type=num*/ v6 = t4 ??= getDouble();

  var /*@type=num*/ v7 = t /*@target=num.+*/ += getInt();

  var /*@type=num*/ v8 = t /*@target=num.+*/ += getNum();

  var /*@type=double*/ v9 = t /*@target=num.+*/ += getDouble();

  var /*@type=num*/ v10 = /*@target=num.+*/ ++t;

  var /*@type=num*/ v11 = /*@type=num*/ t /*@type=num*/ /*@target=num.+*/ ++;
}

void test3(double t, double? t2) {
  var /*@type=double*/ v3 = t = getDouble();

  var /*@type=double*/ v6 = t2 ??= getDouble();

  var /*@type=double*/ v7 = t /*@target=double.+*/ += getInt();

  var /*@type=double*/ v8 = t /*@target=double.+*/ += getNum();

  var /*@type=double*/ v9 = t /*@target=double.+*/ += getDouble();

  var /*@type=double*/ v10 = /*@target=double.+*/ ++t;

  var /*@type=double*/ v11 =
      /*@type=double*/ t /*@type=double*/ /*@target=double.+*/ ++;
}

main() {}