blob: 49035871fbaae795014f64bef48f255fefde5c94 [file] [log] [blame]
// Copyright (c) 2012, 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.
import "package:expect/expect.dart";
main() {
final f0 = 42;
final f1; //# 01: ok
final int f2 = 87;
final int f3; //# 02: ok
Expect.equals(42, f0);
Expect.equals(87, f2);
Expect.equals(42, F0);
Expect.equals(null, F1); //# 03: continued
Expect.equals(87, F2);
Expect.equals(null, F3); //# 04: continued
Expect.isTrue(P0 is Point);
Expect.isTrue(P1 is int);
Expect.isTrue(P2 is Point);
Expect.isTrue(P3 is int);
Expect.isTrue(A0 is int);
Expect.isTrue(A1 is int);
Expect.isTrue(A2 is int); //# 08: runtime error
Expect.isTrue(A3 is int); //# 08: continued
Expect.isTrue(C0.X is C1);
Expect.isTrue(C0.X.x is C1); //# 09: compile-time error
Expect.equals("Hello 42", B2);
Expect.equals("42Hello", B3); //# 10: compile-time error
}
final F0 = 42;
final F1; // //# 03: syntax error
final int F2 = 87;
final int F3; // //# 04: syntax error
class Point {
final x, y;
const Point(this.x, this.y);
operator +(int other) => x;
}
// Check that compile time expressions can include invocations of
// user-defined final constructors.
final P0 = const Point(0, 0);
final P1 = const Point(0, 0) + 1;
final P2 = new Point(0, 0);
final P3 = new Point(0, 0) + 1;
// Check that we cannot have cyclic references in compile time
// expressions.
final A0 = 42;
final A1 = A0 + 1;
final dynamic A2 = A3 + 1; //# 08: continued
final dynamic A3 = A2 + 1; //# 08: continued
class C0 {
static final X = const C1();
}
class C1 {
const C1()
: x = C0.X //# 09: continued
;
final x = null;
}
// Check that sub-expressions of binary + are numeric.
final B0 = 42;
final B1 = "Hello";
final B2 = "$B1 $B0";
final B3 = B0 + B1; //# 10: continued