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sdk/tests/corelib/null_nosuchmethod_test.dart
T

25 lines
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Dart

// 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";
// Test that Null's noSuchMethod can be closurized and called directly.
main() {
var x;
// Non-existing method calls noSuchMethod.
Expect.throws(() => x.foo(),
(e) => e is NoSuchMethodError);
// Calling noSuchMethod directly.
Expect.throws(() => x.noSuchMethod("foo", []),
(e) => e is NoSuchMethodError);
// Closurizing noSuchMethod and calling it.
var nsm = x.noSuchMethod;
Expect.notEquals(null, nsm);
Expect.throws(() => nsm("foo", []),
(e) => e is NoSuchMethodError);
}