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| 1 // Copyright (c) 2014, 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 library test.services.correction.levenshtein; | |
| 6 | |
| 7 import 'package:analysis_services/src/correction/levenshtein.dart'; | |
| 8 import 'package:analysis_testing/reflective_tests.dart'; | |
| 9 import 'package:unittest/unittest.dart'; | |
| 10 | |
| 11 | |
| 12 main() { | |
| 13 groupSep = ' | '; | |
| 14 runReflectiveTests(LevenshteinTest); | |
| 15 } | |
| 16 | |
| 17 @ReflectiveTestCase() | |
| 18 class LevenshteinTest { | |
| 19 void test_different_caseInsensitive() { | |
| 20 expect(levenshtein('Saturday', 'sunday', 5, caseSensitive: false), 3); | |
| 21 expect(levenshtein('SaturDay', 'sunday', 5, caseSensitive: false), 3); | |
| 22 } | |
| 23 | |
| 24 void test_different_onThreshold() { | |
| 25 expect(levenshtein('', 'abcde', 5), 5); | |
| 26 expect(levenshtein('abcde', '', 5), 5); | |
| 27 } | |
| 28 | |
| 29 void test_different_overThreshold() { | |
| 30 expect(levenshtein('', 'abcde', 2), LEVENSHTEIN_MAX); | |
| 31 expect(levenshtein('abcde', '', 2), LEVENSHTEIN_MAX); | |
| 32 } | |
| 33 | |
| 34 void test_different_overThreshold_length() { | |
| 35 expect(levenshtein('a', 'abcdefgh', 5), LEVENSHTEIN_MAX); | |
| 36 expect(levenshtein('abcdefgh', 'a', 5), LEVENSHTEIN_MAX); | |
| 37 } | |
| 38 | |
| 39 void test_different_underThreshold() { | |
| 40 expect(levenshtein('String', 'Stirng', 5), 2); | |
| 41 expect(levenshtein('kitten', 'sitting', 5), 3); | |
| 42 expect(levenshtein('Saturday', 'Sunday', 5), 3); | |
| 43 } | |
| 44 | |
| 45 void test_negativeThreshold() { | |
| 46 expect(() { | |
| 47 levenshtein('', '', -5); | |
| 48 }, throws); | |
| 49 } | |
| 50 | |
| 51 void test_null() { | |
| 52 expect(() { | |
| 53 levenshtein('', null, 5); | |
| 54 }, throws); | |
| 55 expect(() { | |
| 56 levenshtein(null, '', 5); | |
| 57 }, throws); | |
| 58 } | |
| 59 | |
| 60 void test_same() { | |
| 61 expect(levenshtein('', '', 5), 0); | |
| 62 expect(levenshtein('test', 'test', 5), 0); | |
| 63 } | |
| 64 | |
| 65 void test_same_caseInsensitive() { | |
| 66 expect(levenshtein('test', 'Test', 5, caseSensitive: false), 0); | |
| 67 } | |
| 68 } | |
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