lrn@google.com
7e6ae8ea09
It now extends ArgumentError. Review URL: https://codereview.chromium.org//11275042 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@14405 260f80e4-7a28-3924-810f-c04153c831b5
38 lines
1.4 KiB
Dart
38 lines
1.4 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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main() {
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// Test that not providing an optional argument goes to the end.
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Expect.equals("".substring(0), "");
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Expect.throws(() => "".substring(1),
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(e) => e is RangeError);
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Expect.throws(() => "".substring(-1),
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(e) => e is RangeError);
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Expect.equals("abc".substring(0), "abc");
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Expect.equals("abc".substring(1), "bc");
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Expect.equals("abc".substring(2), "c");
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Expect.equals("abc".substring(3), "");
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Expect.throws(() => "abc".substring(4),
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(e) => e is RangeError);
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Expect.throws(() => "abc".substring(-1),
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(e) => e is RangeError);
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// Test that providing null goes to the end.
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Expect.equals("".substring(0, null), "");
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Expect.throws(() => "".substring(1, null),
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(e) => e is RangeError);
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Expect.throws(() => "".substring(-1, null),
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(e) => e is RangeError);
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Expect.equals("abc".substring(0, null), "abc");
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Expect.equals("abc".substring(1, null), "bc");
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Expect.equals("abc".substring(2, null), "c");
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Expect.equals("abc".substring(3, null), "");
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Expect.throws(() => "abc".substring(4, null),
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(e) => e is RangeError);
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Expect.throws(() => "abc".substring(-1, null),
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(e) => e is RangeError);
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}
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