pkg/front_end/testcases/inference/infer_type_on_var_from_field.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;

class A {
  int x = 0;

  test1() {
    var /*@type=int*/ a = x;
    a = /*error:INVALID_ASSIGNMENT*/ "hi";
    a = 3;
    var /*@type=int*/ b = y;
    b = /*error:INVALID_ASSIGNMENT*/ "hi";
    b = 4;
    var /*@type=int*/ c = z;
    c = /*error:INVALID_ASSIGNMENT*/ "hi";
    c = 4;
  }

  int y; // field def after use
  final /*@topType=int*/ z = 42; // should infer `int`
}