Files
sdk/tests/language/null/access_error_test.dart
Robert Nystrom 99564b09b4 Migrate language_2/null to NNBD.
Change-Id: I9336b7fa58c144c8b946e7aac3128a9d9925d7d4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149787
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2020-06-05 18:59:56 +00:00

51 lines
1.2 KiB
Dart

// Copyright (c) 2011, 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";
class NullAccessTest {
static void testNullVariable() {
dynamic variable;
bool exceptionCaught = false;
bool wrongExceptionCaught = false;
try {
variable++;
} on NoSuchMethodError catch (ex) {
exceptionCaught = true;
} catch (ex) {
wrongExceptionCaught = true;
}
Expect.isTrue(exceptionCaught);
Expect.isFalse(wrongExceptionCaught);
}
static dynamic helperFunction(dynamic parameter) {
return parameter++;
}
static void testNullFunctionCall() {
dynamic variable;
bool exceptionCaught = false;
bool wrongExceptionCaught = false;
try {
variable = helperFunction(variable);
} on NoSuchMethodError catch (ex) {
exceptionCaught = true;
} catch (ex) {
wrongExceptionCaught = true;
}
Expect.isTrue(exceptionCaught);
Expect.isFalse(wrongExceptionCaught);
}
static void testMain() {
testNullVariable();
testNullFunctionCall();
}
}
main() {
NullAccessTest.testMain();
}