dart / sdk.git / refs/tags/2.17.0-225.0.dev / . / tests / language / function_subtype / function_subtype2_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. | |

// Dart test program for constructors and initializers. | |

// Check function subtyping for optional parameters. | |

import 'package:expect/expect.dart'; | |

typedef void T1(int? a, int? b); | |

typedef void T2(int? a, [int? b]); | |

typedef void T3([int? a, int? b]); | |

typedef void T4(int? a, [int? b, int? c]); | |

typedef void T5([int? a, int? b, int? c]); | |

class C<T, S, U> { | |

get m1 => (T? a, S? b) {}; | |

get m2 => (T? a, [S? b]) {}; | |

get m3 => ([T? a, S? b]) {}; | |

get m4 => (T? a, [S? b, U? c]) {}; | |

get m5 => ([T? a, S? b, U? c]) {}; | |

} | |

main() { | |

var c1 = new C<int, int, int>(); | |

Expect.isTrue(c1.m1 is T1, "(int,int)->void is (int,int)->void"); | |

Expect.isFalse(c1.m1 is T2, "(int,int)->void is not (int,[int])->void"); | |

Expect.isFalse(c1.m1 is T3, "(int,int)->void is not ([int,int])->void"); | |

Expect.isFalse(c1.m1 is T4, "(int,int)->void is not (int,[int,int])->void"); | |

Expect.isFalse(c1.m1 is T5, "(int,int)->void is not ([int,int,int])->void"); | |

Expect.isTrue(c1.m2 is T1, "(int,[int])->void is (int,int)->void"); | |

Expect.isTrue(c1.m2 is T2, "(int,[int])->void is (int,[int])->void"); | |

Expect.isFalse(c1.m2 is T3, "(int,[int])->void is not ([int,int])->void"); | |

Expect.isFalse(c1.m2 is T4, "(int,[int])->void is not (int,[int,int])->void"); | |

Expect.isFalse(c1.m2 is T5, "(int,[int])->void is not ([int,int,int])->void"); | |

Expect.isTrue(c1.m3 is T1, "([int,int])->void is (int,int)->void"); | |

Expect.isTrue(c1.m3 is T2, "([int,int])->void is (int,[int])->void"); | |

Expect.isTrue(c1.m3 is T3, "([int,int])->void is ([int,int])->void"); | |

Expect.isFalse(c1.m3 is T4, "([int,int])->void is not (int,[int,int])->void"); | |

Expect.isFalse(c1.m3 is T5, "([int,int])->void is not ([int,int,int])->void"); | |

Expect.isTrue(c1.m4 is T1, "(int,[int,int])->void is (int,int)->void"); | |

Expect.isTrue(c1.m4 is T2, "(int,[int,int])->void is (int,[int])->void"); | |

Expect.isFalse(c1.m4 is T3, "(int,[int,int])->void is not ([int,int])->void"); | |

Expect.isTrue(c1.m4 is T4, "(int,[int,int])->void is (int,[int,int])->void"); | |

Expect.isFalse( | |

c1.m4 is T5, "(int,[int,int])->void is not ([int,int,int])->void"); | |

Expect.isTrue(c1.m5 is T1, "([int,int,int])->void is (int,int)->void"); | |

Expect.isTrue(c1.m5 is T2, "([int,int,int])->void is (int,[int])->void"); | |

Expect.isTrue(c1.m5 is T3, "([int,int,int])->void is ([int,int])->void"); | |

Expect.isTrue(c1.m5 is T4, "([int,int,int])->void is (int,[int,int])->void"); | |

Expect.isTrue(c1.m5 is T5, "([int,int,int])->void is ([int,int,int])->void"); | |

var c2 = new C<int, double, int>(); | |

Expect.isFalse(c2.m1 is T1, "(int,double)->void is not (int,int)->void"); | |

Expect.isFalse( | |

c2.m1 is T2, "(int,double)->void is not not (int,[int])->void"); | |

Expect.isFalse(c2.m1 is T3, "(int,double)->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c2.m1 is T4, "(int,double)->void is not (int,[int,int])->void"); | |

Expect.isFalse( | |

c2.m1 is T5, "(int,double)->void is not ([int,int,int])->void"); | |

Expect.isFalse(c2.m2 is T1, "(int,[double])->void is not (int,int)->void"); | |

Expect.isFalse(c2.m2 is T2, "(int,[double])->void is not (int,[int])->void"); | |

Expect.isFalse(c2.m2 is T3, "(int,[double])->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c2.m2 is T4, "(int,[double])->void is not (int,[int,int])->void"); | |

Expect.isFalse( | |

c2.m2 is T5, "(int,[double])->void is not ([int,int,int])->void"); | |

Expect.isFalse(c2.m3 is T1, "([int,double])->void is not (int,int)->void"); | |

Expect.isFalse(c2.m3 is T2, "([int,double])->void is not (int,[int])->void"); | |

Expect.isFalse(c2.m3 is T3, "([int,double])->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c2.m3 is T4, "([int,double])->void is not (int,[int,int])->void"); | |

Expect.isFalse( | |

c2.m3 is T5, "([int,double])->void is not ([int,int,int])->void"); | |

Expect.isFalse( | |

c2.m4 is T1, "(int,[double,int])->void is not (int,int)->void"); | |

Expect.isFalse( | |

c2.m4 is T2, "(int,[double,int])->void is not (int,[int])->void"); | |

Expect.isFalse( | |

c2.m4 is T3, "(int,[double,int])->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c2.m4 is T4, "(int,[double,int])->void is (int,[int,int])->void"); | |

Expect.isFalse( | |

c2.m4 is T5, "(int,[double,int])->void is ([int,int,int])->void"); | |

Expect.isFalse( | |

c2.m5 is T1, "([int,double,int])->void is not (int,int)->void"); | |

Expect.isFalse( | |

c2.m5 is T2, "([int,double,int])->void is not (int,[int])->void"); | |

Expect.isFalse( | |

c2.m5 is T3, "([int,double,int])->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c2.m5 is T4, "([int,double,int])->void is (int,[int,int])->void"); | |

Expect.isFalse( | |

c2.m5 is T5, "([int,double,int])->void is ([int,int,int])->void"); | |

var c3 = new C<int, int, double>(); | |

Expect.isTrue(c3.m1 is T1, "(int,int)->void is (int,int)->void"); | |

Expect.isFalse(c3.m1 is T2, "(int,int)->void is not (int,[int])->void"); | |

Expect.isFalse(c3.m1 is T3, "(int,int)->void is not ([int,int])->void"); | |

Expect.isFalse(c3.m1 is T4, "(int,int)->void is not (int,[int,int])->void"); | |

Expect.isFalse(c3.m1 is T5, "(int,int)->void is not ([int,int,int])->void"); | |

Expect.isTrue(c3.m2 is T1, "(int,[int])->void is (int,int)->void"); | |

Expect.isTrue(c3.m2 is T2, "(int,[int])->void is (int,[int])->void"); | |

Expect.isFalse(c3.m2 is T3, "(int,[int])->void is not ([int,int])->void"); | |

Expect.isFalse(c3.m2 is T4, "(int,[int])->void is not (int,[int,int])->void"); | |

Expect.isFalse(c3.m2 is T5, "(int,[int])->void is not ([int,int,int])->void"); | |

Expect.isTrue(c3.m3 is T1, "([int,int])->void is (int,int)->void"); | |

Expect.isTrue(c3.m3 is T2, "([int,int])->void is (int,[int])->void"); | |

Expect.isTrue(c3.m3 is T3, "([int,int])->void is ([int,int])->void"); | |

Expect.isFalse(c3.m3 is T4, "([int,int])->void is not (int,[int,int])->void"); | |

Expect.isFalse(c3.m3 is T5, "([int,int])->void is not ([int,int,int])->void"); | |

Expect.isTrue(c3.m4 is T1, "(int,[int,double])->void is (int,int)->void"); | |

Expect.isTrue(c3.m4 is T2, "(int,[int,double])->void is (int,[int])->void"); | |

Expect.isFalse( | |

c3.m4 is T3, "(int,[int,double])->void is not ([int,int])->void"); | |

Expect.isFalse( | |

c3.m4 is T4, "(int,[int,double])->void is (int,[int,int])->void"); | |

Expect.isFalse( | |

c3.m4 is T5, "(int,[int,double])->void is ([int,int,int])->void"); | |

Expect.isTrue(c3.m5 is T1, "([int,int,double])->void is (int,int)->void"); | |

Expect.isTrue(c3.m5 is T2, "([int,int,double])->void is (int,[int])->void"); | |

Expect.isTrue(c3.m5 is T3, "([int,int,double])->void is ([int,int])->void"); | |

Expect.isFalse( | |

c3.m5 is T4, "([int,int,double])->void is (int,[int,int])->void"); | |

Expect.isFalse( | |

c3.m5 is T5, "([int,int,double])->void is ([int,int,int])->void"); | |

} |