mirror of
https://github.com/dart-lang/sdk
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7b9025b407
Change-Id: I48e75d86140483d5f3b9c3ad17e47fe2dfdb722e Reviewed-on: https://dart-review.googlesource.com/28361 Commit-Queue: Paul Berry <paulberry@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
77 lines
1.9 KiB
Dart
77 lines
1.9 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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final f0 = 42;
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final f1; //# 01: compile-time error
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final int f2 = 87;
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final 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: continued
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Expect.equals(87, F2);
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Expect.equals(null, F3); //# 04: continued
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Expect.isTrue(P0 is Point);
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Expect.isTrue(P1 is int);
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Expect.isTrue(P2 is Point);
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Expect.isTrue(P3 is int);
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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: runtime 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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final F0 = 42;
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final F1; // //# 03: syntax error
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final int F2 = 87;
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final int F3; // //# 04: syntax error
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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 final constructors.
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final P0 = const Point(0, 0);
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final P1 = const Point(0, 0) + 1;
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final P2 = new Point(0, 0);
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final P3 = new Point(0, 0) + 1;
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// Check that we cannot have cyclic references in compile time
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// expressions.
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final A0 = 42;
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final A1 = A0 + 1;
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final dynamic A2 = A3 + 1; //# 08: continued
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final dynamic A3 = A2 + 1; //# 08: continued
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class C0 {
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static final 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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final B0 = 42;
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final B1 = "Hello";
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final B2 = "$B1 $B0";
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final B3 = B0 + B1; //# 10: continued
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