lrn@google.com
22309b260c
Accessing non-existing members on null now throws NoSuchMethodError. Throwing a null value fails by throwing a NullThrownError. Methods checking for null now generally throw new ArgumentError(null). Committed: https://code.google.com/p/dart/source/detail?r=15061 Review URL: https://codereview.chromium.org//11415028 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@15136 260f80e4-7a28-3924-810f-c04153c831b5
50 lines
1.2 KiB
Dart
50 lines
1.2 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class NullAccessTest {
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static void testNullVariable() {
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int variable;
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bool exceptionCaught = false;
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bool wrongExceptionCaught = false;
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try {
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variable++;
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} on NoSuchMethodError catch (ex) {
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exceptionCaught = true;
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} catch (ex) {
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wrongExceptionCaught = true;
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}
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Expect.isTrue(exceptionCaught);
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Expect.isFalse(wrongExceptionCaught);
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}
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static int helperFunction(int parameter) {
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return parameter++;
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}
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static void testNullFunctionCall() {
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int variable;
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bool exceptionCaught = false;
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bool wrongExceptionCaught = false;
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try {
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variable = helperFunction(variable);
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} on NoSuchMethodError catch (ex) {
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exceptionCaught = true;
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} catch (ex) {
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wrongExceptionCaught = true;
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}
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Expect.isTrue(exceptionCaught);
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Expect.isFalse(wrongExceptionCaught);
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}
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static void testMain() {
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testNullVariable();
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testNullFunctionCall();
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}
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}
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main() {
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NullAccessTest.testMain();
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}
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