mirror of
https://github.com/dart-lang/sdk
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3d6ad7b3a2
Change-Id: I00ffa8f6f85cede8badd4d7082da4603f998956c Reviewed-on: https://dart-review.googlesource.com/40470 Reviewed-by: Jenny Messerly <jmesserly@google.com>
102 lines
3.5 KiB
Dart
102 lines
3.5 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Check that both `=` and `:` are allowed for named parameters.
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import "package:expect/expect.dart";
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// Default values are not allowed on typedefs.
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typedef int F1({x = 3, y}); //# 01: compile-time error
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typedef int functype({x, y, z});
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int topF({x = 3, y: 5, z}) => x * y * (z ?? 2);
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class A {
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int x;
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int y;
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int z;
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A({this.x = 3, this.y: 5, z}) : z = z ?? 2;
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A.redirect({int x = 3, int y: 5, int z}) : this(x: x, y: y, z: z);
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factory A.factory({int x = 3, int y: 5, int z}) =>
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new A(x: x, y: y, z: z ?? 2);
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factory A.redirectFactory({int x, int y, int z}) = A;
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// Default values are not allowed on redirecting factory constructors.
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factory A.badRedirectFactory({int x = 3, int y}) = //# 02: compile-time error
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A; //# 02: compile-time error
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int get value => x * y * z;
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static int staticF({x = 3, y: 5, z}) => x * y * (z ?? 2);
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int instanceF({x = 3, y: 5, z}) => x * y * (z ?? 2);
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}
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main() {
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// Reference the type, or dart2js won't see that the declaration is invalid
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F1 _ = null; // //# 01: continued
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var a = new A();
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int local({x = 3, y: 5, z}) => x * y * (z ?? 2);
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var expr = ({x = 3, y: 5, z}) => x * y * (z ?? 2);
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var tearOff = a.instanceF;
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test(function) {
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Expect.equals(30, function());
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Expect.equals(70, function(x: 7));
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Expect.equals(42, function(y: 7));
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Expect.equals(28, function(x: 7, y: 2));
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Expect.equals(15, function(z: 1));
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Expect.equals(21, function(y: 7, z: 1));
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Expect.equals(35, function(x: 7, z: 1));
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Expect.equals(14, function(x: 7, y: 2, z: 1));
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Expect.isTrue(function is functype);
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}
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test(topF);
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test(A.staticF);
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test(a.instanceF);
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test(local);
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test(expr);
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test(tearOff);
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// Can't tear off constructors.
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Expect.equals(30, new A().value);
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Expect.equals(70, new A(x: 7).value);
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Expect.equals(42, new A(y: 7).value);
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Expect.equals(28, new A(x: 7, y: 2).value);
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Expect.equals(15, new A(z: 1).value);
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Expect.equals(21, new A(y: 7, z: 1).value);
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Expect.equals(35, new A(x: 7, z: 1).value);
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Expect.equals(14, new A(x: 7, y: 2, z: 1).value);
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Expect.equals(30, new A.redirect().value);
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Expect.equals(70, new A.redirect(x: 7).value);
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Expect.equals(42, new A.redirect(y: 7).value);
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Expect.equals(28, new A.redirect(x: 7, y: 2).value);
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Expect.equals(15, new A.redirect(z: 1).value);
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Expect.equals(21, new A.redirect(y: 7, z: 1).value);
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Expect.equals(35, new A.redirect(x: 7, z: 1).value);
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Expect.equals(14, new A.redirect(x: 7, y: 2, z: 1).value);
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Expect.equals(30, new A.factory().value);
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Expect.equals(70, new A.factory(x: 7).value);
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Expect.equals(42, new A.factory(y: 7).value);
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Expect.equals(28, new A.factory(x: 7, y: 2).value);
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Expect.equals(15, new A.factory(z: 1).value);
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Expect.equals(21, new A.factory(y: 7, z: 1).value);
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Expect.equals(35, new A.factory(x: 7, z: 1).value);
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Expect.equals(14, new A.factory(x: 7, y: 2, z: 1).value);
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Expect.equals(30, new A.redirectFactory().value);
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Expect.equals(70, new A.redirectFactory(x: 7).value);
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Expect.equals(42, new A.redirectFactory(y: 7).value);
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Expect.equals(28, new A.redirectFactory(x: 7, y: 2).value);
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Expect.equals(15, new A.redirectFactory(z: 1).value);
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Expect.equals(21, new A.redirectFactory(y: 7, z: 1).value);
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Expect.equals(35, new A.redirectFactory(x: 7, z: 1).value);
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Expect.equals(14, new A.redirectFactory(x: 7, y: 2, z: 1).value);
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}
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