tests/corelib/regexp/ranges-and-escaped-hyphens_test.dart - Issue 2990603003: Migrated test block 23 to Dart 2.0.

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Issue 2990603003: Migrated test block 23 to Dart 2.0. (Closed)

Patch Set: Fixed issues caused by s/re/regexp/g Created 3 years, 4 months ago

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1 // Copyright (c) 2014, the Dart project authors. All rights reserved.

2 // Copyright 2013 the V8 project authors. All rights reserved.

3 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.

4 //

5 // Redistribution and use in source and binary forms, with or without

6 // modification, are permitted provided that the following conditions

7 // are met:

8 // 1. Redistributions of source code must retain the above copyright

9 // notice, this list of conditions and the following disclaimer.

10 // 2. Redistributions in binary form must reproduce the above copyright

11 // notice, this list of conditions and the following disclaimer in the

12 // documentation and/or other materials provided with the distribution.

13 //

14 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y

15 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

16 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

17 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y

18 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

19 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

20 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N

21 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

22 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

23 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

24

25 import 'v8_regexp_utils.dart';

26 import 'package:expect/expect.dart';

27

28 void main() {

29 description(

30 'Tests for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=21232">#21 232</a>, and related range issues described in bug.');

31

32 // Basic test for ranges - one to three and five are in regexp, four is not, a nd '-' should not match

33 var regexp01 = new RegExp(r"[1-35]+").firstMatch("-12354");

34 shouldBe(regexp01, ["1235"]);

35 // Tests inserting an escape character class into the above pattern - where th e spaces fall within the

36 // range it is no longer a range - hyphens should now match, two should not.

37 var regexp01a = new RegExp(r"[\s1-35]+").firstMatch("-123 54");

38 shouldBe(regexp01a, ["123 5"]);

39

40 // These are invalid ranges, according to ECMA-262, but we allow them.

41 var regexp01b = new RegExp(r"[1\s-35]+").firstMatch("21-3 54");

42 shouldBe(regexp01b, ["1-3 5"]);

43 var regexp01c = new RegExp(r"[1-\s35]+").firstMatch("21-3 54");

44 shouldBe(regexp01c, ["1-3 5"]);

45

46 var regexp01d = new RegExp(r"[1-3\s5]+").firstMatch("-123 54");

47 shouldBe(regexp01d, ["123 5"]);

48 var regexp01e = new RegExp(r"[1-35\s5]+").firstMatch("-123 54");

49 shouldBe(regexp01e, ["123 5"]);

50 // hyphens are normal characters if a range is not fully specified.

51 var regexp01f = new RegExp(r"[-3]+").firstMatch("2-34");

52 shouldBe(regexp01f, ["-3"]);

53 var regexp01g = new RegExp(r"[2-]+").firstMatch("12-3");

54 shouldBe(regexp01g, ["2-"]);

55

56 // Similar to the above tests, but where the hyphen is escaped this is never a range.

57 var regexp02 = new RegExp(r"[1\-35]+").firstMatch("21-354");

58 shouldBe(regexp02, ["1-35"]);

59 // As above.

60 var regexp02a = new RegExp(r"[\s1\-35]+").firstMatch("21-3 54");

61 shouldBe(regexp02a, ["1-3 5"]);

62 var regexp02b = new RegExp(r"[1\s\-35]+").firstMatch("21-3 54");

63 shouldBe(regexp02b, ["1-3 5"]);

64 var regexp02c = new RegExp(r"[1\-\s35]+").firstMatch("21-3 54");

65 shouldBe(regexp02c, ["1-3 5"]);

66 var regexp02d = new RegExp(r"[1\-3\s5]+").firstMatch("21-3 54");

67 shouldBe(regexp02d, ["1-3 5"]);

68 var regexp02e = new RegExp(r"[1\-35\s5]+").firstMatch("21-3 54");

69 shouldBe(regexp02e, ["1-3 5"]);

70

71 // Test that an escaped hyphen can be used as a bound on a range.

72 var regexp03a = new RegExp(r"[\--0]+").firstMatch(",-.01");

73 shouldBe(regexp03a, ["-.0"]);

74 var regexp03b = new RegExp(r"[+-\-]+").firstMatch("*+,-.");

75 shouldBe(regexp03b, ["+,-"]);

76

77 // The actual bug reported.

78 var bug21232 =

79 (new RegExp(r"^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$")).hasMatch('@');

80 shouldBeFalse(bug21232);

81 }

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