pkg/front_end/testcases/inference_new/infer_assign_to_index_this_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;

abstract class Test1 {
  int operator [](String s);
  void operator []=(String s, int v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test1::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test1::[]=*/ ['x'] = getNum();
    var /*@ type=int* */ v4 = this /*@target=Test1::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test1::[]=*/ ['x'] ??= getNum();
    var /*@ type=int* */ v7 = this /*@target=Test1::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test1::[]=*/ ['x'] += getNum();
    var /*@ type=int* */ v10 = ++this /*@target=Test1::[]=*/ ['x'];
    var /*@ type=int* */ v11 = this /*@target=Test1::[]=*/ ['x']++;
  }
}

abstract class Test2 {
  int operator [](String s);
  void operator []=(String s, num v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test2::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test2::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test2::[]=*/ ['x'] = getDouble();
    var /*@ type=int* */ v4 = this /*@target=Test2::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test2::[]=*/ ['x'] ??= getNum();
    var /*@ type=num* */ v6 = this /*@target=Test2::[]=*/ ['x'] ??= getDouble();
    var /*@ type=int* */ v7 = this /*@target=Test2::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test2::[]=*/ ['x'] += getNum();
    var /*@ type=double* */ v9 = this /*@target=Test2::[]=*/ ['x'] += getDouble();
    var /*@ type=int* */ v10 = ++this /*@target=Test2::[]=*/ ['x'];
    var /*@ type=int* */ v11 = this /*@target=Test2::[]=*/ ['x']++;
  }
}

abstract class Test3 {
  int operator [](String s);
  void operator []=(String s, double v);

  void test() {
    var /*@ type=num* */ v2 = this /*@target=Test3::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test3::[]=*/ ['x'] = getDouble();
    var /*@ type=num* */ v5 = this /*@target=Test3::[]=*/ ['x'] ??= getNum();
    var /*@ type=num* */ v6 = this /*@target=Test3::[]=*/ ['x'] ??= getDouble();
    var /*@ type=int* */ v7 = this /*@target=Test3::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test3::[]=*/ ['x'] += getNum();
    var /*@ type=double* */ v9 = this /*@target=Test3::[]=*/ ['x'] += getDouble();
    var /*@ type=int* */ v10 = ++this /*@target=Test3::[]=*/ ['x'];
    var /*@ type=int* */ v11 = this /*@target=Test3::[]=*/ ['x']++;
  }
}

abstract class Test4 {
  num operator [](String s);
  void operator []=(String s, int v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test4::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test4::[]=*/ ['x'] = getNum();
    var /*@ type=num* */ v4 = this /*@target=Test4::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test4::[]=*/ ['x'] ??= getNum();
    var /*@ type=num* */ v7 = this /*@target=Test4::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test4::[]=*/ ['x'] += getNum();
    var /*@ type=num* */ v10 = ++this /*@target=Test4::[]=*/ ['x'];
    var /*@ type=num* */ v11 = this /*@target=Test4::[]=*/ ['x']++;
  }
}

abstract class Test5 {
  num operator [](String s);
  void operator []=(String s, num v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test5::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test5::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test5::[]=*/ ['x'] = getDouble();
    var /*@ type=num* */ v4 = this /*@target=Test5::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test5::[]=*/ ['x'] ??= getNum();
    var /*@ type=num* */ v6 = this /*@target=Test5::[]=*/ ['x'] ??= getDouble();
    var /*@ type=num* */ v7 = this /*@target=Test5::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test5::[]=*/ ['x'] += getNum();
    var /*@ type=num* */ v9 = this /*@target=Test5::[]=*/ ['x'] += getDouble();
    var /*@ type=num* */ v10 = ++this /*@target=Test5::[]=*/ ['x'];
    var /*@ type=num* */ v11 = this /*@target=Test5::[]=*/ ['x']++;
  }
}

abstract class Test6 {
  num operator [](String s);
  void operator []=(String s, double v);

  void test() {
    var /*@ type=num* */ v2 = this /*@target=Test6::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test6::[]=*/ ['x'] = getDouble();
    var /*@ type=num* */ v5 = this /*@target=Test6::[]=*/ ['x'] ??= getNum();
    var /*@ type=num* */ v6 = this /*@target=Test6::[]=*/ ['x'] ??= getDouble();
    var /*@ type=num* */ v7 = this /*@target=Test6::[]=*/ ['x'] += getInt();
    var /*@ type=num* */ v8 = this /*@target=Test6::[]=*/ ['x'] += getNum();
    var /*@ type=num* */ v9 = this /*@target=Test6::[]=*/ ['x'] += getDouble();
    var /*@ type=num* */ v10 = ++this /*@target=Test6::[]=*/ ['x'];
    var /*@ type=num* */ v11 = this /*@target=Test6::[]=*/ ['x']++;
  }
}

abstract class Test7 {
  double operator [](String s);
  void operator []=(String s, int v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test7::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test7::[]=*/ ['x'] = getNum();
    var /*@ type=num* */ v4 = this /*@target=Test7::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test7::[]=*/ ['x'] ??= getNum();
    var /*@ type=double* */ v7 = this /*@target=Test7::[]=*/ ['x'] += getInt();
    var /*@ type=double* */ v8 = this /*@target=Test7::[]=*/ ['x'] += getNum();
    var /*@ type=double* */ v10 = ++this /*@target=Test7::[]=*/ ['x'];
    var /*@ type=double* */ v11 = this /*@target=Test7::[]=*/ ['x']++;
  }
}

abstract class Test8 {
  double operator [](String s);
  void operator []=(String s, num v);

  void test() {
    var /*@ type=int* */ v1 = this /*@target=Test8::[]=*/ ['x'] = getInt();
    var /*@ type=num* */ v2 = this /*@target=Test8::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test8::[]=*/ ['x'] = getDouble();
    var /*@ type=num* */ v4 = this /*@target=Test8::[]=*/ ['x'] ??= getInt();
    var /*@ type=num* */ v5 = this /*@target=Test8::[]=*/ ['x'] ??= getNum();
    var /*@ type=double* */ v6 = this /*@target=Test8::[]=*/ ['x'] ??= getDouble();
    var /*@ type=double* */ v7 = this /*@target=Test8::[]=*/ ['x'] += getInt();
    var /*@ type=double* */ v8 = this /*@target=Test8::[]=*/ ['x'] += getNum();
    var /*@ type=double* */ v9 = this /*@target=Test8::[]=*/ ['x'] += getDouble();
    var /*@ type=double* */ v10 = ++this /*@target=Test8::[]=*/ ['x'];
    var /*@ type=double* */ v11 = this /*@target=Test8::[]=*/ ['x']++;
  }
}

abstract class Test9 {
  double operator [](String s);
  void operator []=(String s, double v);

  void test() {
    var /*@ type=num* */ v2 = this /*@target=Test9::[]=*/ ['x'] = getNum();
    var /*@ type=double* */ v3 = this /*@target=Test9::[]=*/ ['x'] = getDouble();
    var /*@ type=num* */ v5 = this /*@target=Test9::[]=*/ ['x'] ??= getNum();
    var /*@ type=double* */ v6 = this /*@target=Test9::[]=*/ ['x'] ??= getDouble();
    var /*@ type=double* */ v7 = this /*@target=Test9::[]=*/ ['x'] += getInt();
    var /*@ type=double* */ v8 = this /*@target=Test9::[]=*/ ['x'] += getNum();
    var /*@ type=double* */ v9 = this /*@target=Test9::[]=*/ ['x'] += getDouble();
    var /*@ type=double* */ v10 = ++this /*@target=Test9::[]=*/ ['x'];
    var /*@ type=double* */ v11 = this /*@target=Test9::[]=*/ ['x']++;
  }
}

main() {}