Index: tests/language/regex/ranges-and-escaped-hyphens_test.dart |
diff --git a/tests/language/regex/ranges-and-escaped-hyphens_test.dart b/tests/language/regex/ranges-and-escaped-hyphens_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..292f6513c4e9fa86463d817aa469864c29b65651 |
--- /dev/null |
+++ b/tests/language/regex/ranges-and-escaped-hyphens_test.dart |
@@ -0,0 +1,61 @@ |
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+import 'util.dart'; |
+import 'package:expect/expect.dart'; |
+ |
+void main() { |
+ description( |
+ 'Tests for bug <a href="https:new RegExp(r"/bugs.webkit.org/show_bug.cgi?id=21232">#21232<")a>, and related range issues described in bug.' |
+ ); |
+ |
+ // Basic test for ranges - one to three and five are in regexp, four is not, and '-' should not match |
+ var regexp01 = new RegExp(r"[1-35]+").firstMatch("-12354"); |
+ shouldBe(regexp01, ["1235"]); |
+ // Tests inserting an escape character class into the above pattern - where the spaces fall within the |
+ // range it is no longer a range - hyphens should now match, two should not. |
+ var regexp01a = new RegExp(r"[\s1-35]+").firstMatch("-123 54"); |
+ shouldBe(regexp01a, ["123 5"]); |
+ |
+ // These are invalid ranges, according to ECMA-262, but we allow them. |
+ var regexp01b = new RegExp(r"[1\s-35]+").firstMatch("21-3 54"); |
+ shouldBe(regexp01b, ["1-3 5"]); |
+ var regexp01c = new RegExp(r"[1-\s35]+").firstMatch("21-3 54"); |
+ shouldBe(regexp01c, ["1-3 5"]); |
+ |
+ var regexp01d = new RegExp(r"[1-3\s5]+").firstMatch("-123 54"); |
+ shouldBe(regexp01d, ["123 5"]); |
+ var regexp01e = new RegExp(r"[1-35\s5]+").firstMatch("-123 54"); |
+ shouldBe(regexp01e, ["123 5"]); |
+ // hyphens are normal charaters if a range is not fully specified. |
+ var regexp01f = new RegExp(r"[-3]+").firstMatch("2-34"); |
+ shouldBe(regexp01f, ["-3"]); |
+ var regexp01g = new RegExp(r"[2-]+").firstMatch("12-3"); |
+ shouldBe(regexp01g, ["2-"]); |
+ |
+ // Similar to the above tests, but where the hyphen is escaped this is never a range. |
+ var regexp02 = new RegExp(r"[1\-35]+").firstMatch("21-354"); |
+ shouldBe(regexp02, ["1-35"]); |
+ // As above. |
+ var regexp02a = new RegExp(r"[\s1\-35]+").firstMatch("21-3 54"); |
+ shouldBe(regexp02a, ["1-3 5"]); |
+ var regexp02b = new RegExp(r"[1\s\-35]+").firstMatch("21-3 54"); |
+ shouldBe(regexp02b, ["1-3 5"]); |
+ var regexp02c = new RegExp(r"[1\-\s35]+").firstMatch("21-3 54"); |
+ shouldBe(regexp02c, ["1-3 5"]); |
+ var regexp02d = new RegExp(r"[1\-3\s5]+").firstMatch("21-3 54"); |
+ shouldBe(regexp02d, ["1-3 5"]); |
+ var regexp02e = new RegExp(r"[1\-35\s5]+").firstMatch("21-3 54"); |
+ shouldBe(regexp02e, ["1-3 5"]); |
+ |
+ // Test that an escaped hyphen can be used as a bound on a range. |
+ var regexp03a = new RegExp(r"[\--0]+").firstMatch(",-.01"); |
+ shouldBe(regexp03a, ["-.0"]); |
+ var regexp03b = new RegExp(r"[+-\-]+").firstMatch("*+,-."); |
+ shouldBe(regexp03b, ["+,-"]); |
+ |
+ // The actual bug reported. |
+ var bug21232 = (new RegExp(r"^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$")).hasMatch('@'); |
+ shouldBeFalse(bug21232); |
+} |