tests/language/null_hashcode_optimized_vm_test.dart - Issue 12330113: null value can be the receiver of methods on Object (e.g. hashCode).

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Side by Side Diff: tests/language/null_hashcode_optimized_vm_test.dart

Issue 12330113: null value can be the receiver of methods on Object (e.g. hashCode). (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 7 years, 10 months ago

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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a	2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.	3 // BSD-style license that can be found in the LICENSE file.

4	4 // Test that optimized Object.hashCode works for the null receiver.

5 var array = [1];	5 // VMOptions=--optimization_counter_threshold=100

6	6

7 main() {	7 main() {

8 Expect.throws(() => -null, (e) => e is NoSuchMethodError);	8 for (int i = 0; i < 200; i++) {

9 // Make sure we have an untyped call to operator-.	9 foo(null);

10 print(-array[0]);	10 }

11 }	11 }

	12

	13 foo(a) => a.hashCode;

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