dart-sdk/tests/corelib/null_nosuchmethod_test.dart
Robert Nystrom 02a8b015ad Migrate corelib tests starting with "j" to "q" to NNBD.
Change-Id: I1783f624c7ce7d3b962c301c27ac0f4422d7c28f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126824
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2019-12-10 01:17:24 +00:00

36 lines
1.1 KiB
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.
class InvocationFactory {
static final dynamic instance = new InvocationFactory();
noSuchMethod(i) => i;
}
main() {
dynamic x;
// Non-existing method calls noSuchMethod.
Expect.throwsNoSuchMethodError(() => x.foo());
var invocation = InvocationFactory.instance.foo;
// Calling noSuchMethod directly.
Expect.throwsNoSuchMethodError(() => x.noSuchMethod(invocation, []));
// Closurizing noSuchMethod and calling it.
dynamic nsm = x.noSuchMethod;
Expect.notEquals(null, nsm);
Expect.throwsTypeError(() => nsm("foo"));
Expect.throwsNoSuchMethodError(() => nsm(invocation));
Expect.throwsNoSuchMethodError(
() => nsm(invocation, [])); // wrong number of args
// Wrong number and type of arguments.
Expect.throwsNoSuchMethodError(() => nsm("foo", [])); //# 01: ok
}