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Side by Side Diff: tests/corelib/string_substring_test.dart

Issue 2983253002: Migrated test block 29 to Dart 2.0 (Closed)
Patch Set: Migrated test block 29 to Dart 2.0 Created 3 years, 5 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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.
4
5 import "package:expect/expect.dart";
6
7 main() {
8 // Test that not providing an optional argument goes to the end.
9 Expect.equals("".substring(0), "");
10 Expect.throws(() => "".substring(1), (e) => e is RangeError);
11 Expect.throws(() => "".substring(-1), (e) => e is RangeError);
12
13 Expect.equals("abc".substring(0), "abc");
14 Expect.equals("abc".substring(1), "bc");
15 Expect.equals("abc".substring(2), "c");
16 Expect.equals("abc".substring(3), "");
17 Expect.throws(() => "abc".substring(4), (e) => e is RangeError);
18 Expect.throws(() => "abc".substring(-1), (e) => e is RangeError);
19
20 // Test that providing null goes to the end.
21 Expect.equals("".substring(0, null), "");
22 Expect.throws(() => "".substring(1, null), (e) => e is RangeError);
23 Expect.throws(() => "".substring(-1, null), (e) => e is RangeError);
24
25 Expect.equals("abc".substring(0, null), "abc");
26 Expect.equals("abc".substring(1, null), "bc");
27 Expect.equals("abc".substring(2, null), "c");
28 Expect.equals("abc".substring(3, null), "");
29 Expect.throws(() => "abc".substring(4, null), (e) => e is RangeError);
30 Expect.throws(() => "abc".substring(-1, null), (e) => e is RangeError);
31 }
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