tests/language/type_promotion_multiple_test.dart

// Copyright (c) 2013, 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 type promotion of locals.

class A {
  var a = "a";
}
class B extends A {
  var b = "b";
}
class C extends B {
  var c = "c";
}
class D extends A {
  var d = "d";
}
class E implements C, D {
  var a = "";
  var b = "";
  var c = "";
  var d = "";
}

void main() {
  test(new E());
}
void test(A a1) {
  A a2 = new E();
  print(a1.a);
  print(a1.b); /// 01: static type warning
  print(a1.c); /// 02: static type warning
  print(a1.d); /// 03: static type warning

  print(a2.a);
  print(a2.b); /// 04: static type warning
  print(a2.c); /// 05: static type warning
  print(a2.d); /// 06: static type warning

  if (a1 is B && a2 is C) {
    print(a1.a);
    print(a1.b);
    print(a1.c); /// 07: static type warning
    print(a1.d); /// 08: static type warning

    print(a2.a);
    print(a2.b);
    print(a2.c);
    print(a2.d); /// 09: static type warning

    if (a1 is C && a2 is D) {
      print(a1.a);
      print(a1.b);
      print(a1.c);
      print(a1.d); /// 10: static type warning

      print(a2.a);
      print(a2.b);
      print(a2.c);
      print(a2.d); /// 11: static type warning
    }
  }

  var o1 = a1 is B  && a2 is C ?
      '${a1.a}'
      '${a1.b}'
      '${a1.c}' /// 12: static type warning
      '${a1.d}' /// 13: static type warning
      '${a2.a}'
      '${a2.b}'
      '${a2.c}'
      '${a2.d}' /// 14: static type warning
      :
      '${a1.a}'
      '${a1.b}' /// 15: static type warning
      '${a1.c}' /// 16: static type warning
      '${a1.d}' /// 17: static type warning
      '${a2.a}'
      '${a2.b}' /// 18: static type warning
      '${a2.c}' /// 19: static type warning
      '${a2.d}' /// 20: static type warning
      ;

  if (a2 is C && a1 is B && a1 is C && a2 is B && a2 is D) {
    print(a1.a);
    print(a1.b);
    print(a1.c);
    print(a1.d); /// 21: static type warning

    print(a2.a);
    print(a2.b);
    print(a2.c);
    print(a2.d); /// 22: static type warning
  }
}