blob: b508ea8d5722bb746295d45dc0f506b254bb1789 [file] [log] [blame]
// Copyright (c) 2019, 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=--dwarf-stack-traces
// This test verifies that null checks are handled correctly
// with --dwarf-stack-traces option (dartbug.com/35851).
import "package:expect/expect.dart";
class A {
void foo() {
Expect.fail('A.foo should not be reachable');
}
dynamic get bar {
Expect.fail('A.bar should not be reachable');
}
set bazz(int x) {
Expect.fail('A.bazz should not be reachable');
}
}
dynamic myNull;
dynamic doubleNull;
dynamic intNull;
main(List<String> args) {
// Make sure value of `myNull` is not a compile-time null and
// devirtualization happens.
if (args.length > 42) {
myNull = new A();
doubleNull = 3.14;
intNull = 2;
}
Expect.throws(() => myNull!, (e) => e is TypeError);
Expect.throws(() => myNull.foo(), (e) => e is NoSuchMethodError);
Expect.throws(() => myNull.foo, (e) => e is NoSuchMethodError);
Expect.throws(() => myNull.bar, (e) => e is NoSuchMethodError);
Expect.throws(() => myNull.bar(), (e) => e is NoSuchMethodError);
Expect.throws(() {
myNull.bazz = 3;
}, (e) => e is NoSuchMethodError);
Expect.throws(() => doubleNull + 2.17, (e) => e is NoSuchMethodError);
Expect.throws(() => 9.81 - doubleNull,
(e) => isWeakMode ? (e is NoSuchMethodError) : (e is TypeError));
Expect.throws(() => intNull * 7, (e) => e is NoSuchMethodError);
}