dart-sdk/tests/language/assertion_initializer_const_function_error_test.dart
Bob Nystrom 14011f47e3 Resurrect deleted language tests.
They're back from the grave, and ready to party!

Change-Id: I088134a9be7ecabf1fbf751c015a656a15cabff9
Reviewed-on: https://dart-review.googlesource.com/12821
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: William Hesse <whesse@google.com>
2017-10-11 17:47:11 +00:00

30 lines
969 B
Dart

// Copyright (c) 2017, 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.
// VMOptions=--assert_initializer
//
// Dart test program testing assert statements.
import "package:expect/expect.dart";
class C {
static bool staticTrue() => true;
final int x;
const C(this.x);
// The expression *is* a compile-time constant, but not a bool value.
// Static warning, assertion throws which makes it a compile-time error.
const C.bc02(this.x, y)
: assert(staticTrue) //# 01: static type warning
;
}
main() {
// Assertion fails, so in checked mode it's a compile-time error.
// Production mode will succeed because the assertion isn't evaluated.
var c = const C(1);
c = const C.bc02(1, 2); //# 01: compile-time error
if (c.x != 1) throw "non-trivial use of c";
Expect.identical(const C(1), c);
}