pkg/front_end/testcases/inference/infer_assign_to_property_upwards.dart

// 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;

class Test1 {
  int prop = 0;
  int? prop2;

  static void test(Test1 t) {
    var /*@type=int*/ v1 = t. /*@target=Test1.prop*/ prop = getInt();
    var /*@type=int*/ v4 = /*@type=Test1*/ /*@target=Test1.prop2*/ t
            . /*@target=Test1.prop2*/ prop2
         ??= getInt();
    var /*@type=int*/ v7 =
        /*@type=Test1*/ t. /*@target=Test1.prop*/ /*@target=Test1.prop*/ prop
            /*@target=num.+*/ += getInt();
    var /*@type=int*/ v10 = /*@target=num.+*/ ++ /*@type=Test1*/ t
        . /*@target=Test1.prop*/ /*@target=Test1.prop*/ prop;
    var /*@type=int*/ v11 = /*@type=Test1*/ t
        . /*@type=int*/ /*@target=Test1.prop*/ /*@target=Test1.prop*/
        /*@type=int*/ prop /*@target=num.+*/ ++;
  }
}

class Test2 {
  num prop = 0;
  num? prop2;

  static void test(Test2 t) {
    var /*@type=int*/ v1 = t. /*@target=Test2.prop*/ prop = getInt();
    var /*@type=num*/ v2 = t. /*@target=Test2.prop*/ prop = getNum();
    var /*@type=double*/ v3 = t. /*@target=Test2.prop*/ prop = getDouble();
    var /*@type=num*/ v4 = /*@type=Test2*/ /*@target=Test2.prop2*/ t
            . /*@target=Test2.prop2*/ prop2
         ??= getInt();
    var /*@type=num*/ v5 = /*@type=Test2*/ /*@target=Test2.prop2*/ t
            . /*@target=Test2.prop2*/ prop2
         ??= getNum();
    var /*@type=num*/ v6 = /*@type=Test2*/ /*@target=Test2.prop2*/ t
            . /*@target=Test2.prop2*/ prop2
         ??= getDouble();
    var /*@type=num*/ v7 =
        /*@type=Test2*/ t. /*@target=Test2.prop*/ /*@target=Test2.prop*/ prop
            /*@target=num.+*/ += getInt();
    var /*@type=num*/ v8 =
        /*@type=Test2*/ t. /*@target=Test2.prop*/ /*@target=Test2.prop*/ prop
            /*@target=num.+*/ += getNum();
    var /*@type=double*/ v9 =
        /*@type=Test2*/ t. /*@target=Test2.prop*/ /*@target=Test2.prop*/ prop
            /*@target=num.+*/ += getDouble();
    var /*@type=num*/ v10 = /*@target=num.+*/ ++ /*@type=Test2*/ t
        . /*@target=Test2.prop*/ /*@target=Test2.prop*/ prop;
    var /*@type=num*/ v11 = /*@type=Test2*/ t
        . /*@type=num*/ /*@target=Test2.prop*/ /*@target=Test2.prop*/
        /*@type=num*/ prop /*@target=num.+*/ ++;
  }
}

class Test3 {
  double prop = 0;
  double? prop2;

  static void test3(Test3 t) {
    var /*@type=double*/ v3 = t. /*@target=Test3.prop*/ prop = getDouble();
    var /*@type=double*/ v6 =
        /*@type=Test3*/ /*@target=Test3.prop2*/ t. /*@target=Test3.prop2*/
            prop2  ??= getDouble();
    var /*@type=double*/ v7 =
        /*@type=Test3*/ t. /*@target=Test3.prop*/ /*@target=Test3.prop*/ prop
            /*@target=double.+*/ += getInt();
    var /*@type=double*/ v8 =
        /*@type=Test3*/ t. /*@target=Test3.prop*/ /*@target=Test3.prop*/ prop
            /*@target=double.+*/ += getNum();
    var /*@type=double*/ v9 =
        /*@type=Test3*/ t. /*@target=Test3.prop*/ /*@target=Test3.prop*/ prop
            /*@target=double.+*/ += getDouble();
    var /*@type=double*/ v10 = /*@target=double.+*/ ++ /*@type=Test3*/ t.
        /*@target=Test3.prop*/ /*@target=Test3.prop*/
        prop;
    var /*@type=double*/ v11 = /*@type=Test3*/ t.
        /*@type=double*/ /*@target=Test3.prop*/ /*@target=Test3.prop*/
        /*@type=double*/ prop /*@target=double.+*/ ++;
  }
}

main() {}