floitsch@google.com
8fd6d0aafd
Committed: https://code.google.com/p/dart/source/detail?r=19755 Reverted: http://code.google.com/p/dart/source/detail?r=19756 Review URL: https://codereview.chromium.org//12212016 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20996 260f80e4-7a28-3924-810f-c04153c831b5
78 lines
2.1 KiB
Dart
78 lines
2.1 KiB
Dart
// Copyright (c) 2012, 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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import "package:expect/expect.dart";
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main() {
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const f0 = 42;
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const f1; /// 01: compile-time error
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const int f2 = 87;
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const int f3; /// 02: compile-time error
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Expect.equals(42, f0);
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Expect.equals(87, f2);
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Expect.equals(42, F0);
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Expect.equals(null, F1); /// 03: compile-time error
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Expect.equals(87, F2);
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Expect.equals(null, F3); /// 04: compile-time error
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Expect.isTrue(P0 is Point);
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Expect.isTrue(P1 is int); /// 05: compile-time error
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Expect.isTrue(P2 is Point); /// 06: compile-time error
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Expect.isTrue(P3 is int); /// 07: compile-time error
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Expect.isTrue(A0 is int);
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Expect.isTrue(A1 is int);
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Expect.isTrue(A2 is int); /// 08: compile-time error
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Expect.isTrue(A3 is int); /// 08: continued
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Expect.isTrue(C0.X is C1);
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Expect.isTrue(C0.X.x is C1); /// 09: compile-time error
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Expect.equals("Hello 42", B2);
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Expect.equals("42Hello", B3); /// 10: compile-time error
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}
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const F0 = 42;
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const F1; /// 03: continued
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const int F2 = 87;
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const int F3; /// 04: continued
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class Point {
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final x, y;
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const Point(this.x, this.y);
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operator +(int other) => x;
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}
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// Check that compile time expressions can include invocations of
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// user-defined const constructors.
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const P0 = const Point(0, 0);
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const P1 = const Point(0, 0) + 1; /// 05: continued
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const P2 = new Point(0, 0); /// 06: continued
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const P3 = new Point(0, 0) + 1; /// 07: continued
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// Check that we cannot have cyclic references in compile time
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// expressions.
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const A0 = 42;
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const A1 = A0 + 1;
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const A2 = A3 + 1; /// 08: continued
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const A3 = A2 + 1; /// 08: continued
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class C0 {
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static const X = const C1();
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}
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class C1 {
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const C1()
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: x = C0.X /// 09: continued
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;
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final x = null;
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}
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// Check that sub-expressions of binary + are numeric.
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const B0 = 42;
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const B1 = "Hello";
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const B2 = "$B1 $B0";
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const B3 = B0 + B1; /// 10: continued
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