1 files changed, 0 insertions, 151 deletions
diff --git a/src/pkg/regexp/syntax/simplify_test.go b/src/pkg/regexp/syntax/simplify_test.go
deleted file mode 100644
index 879eff5be..000000000
--- a/src/pkg/regexp/syntax/simplify_test.go
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright 2011 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package syntax
-
-import "testing"
-
-var simplifyTests = []struct {
-	Regexp string
-	Simple string
-}{
-	// Already-simple constructs
-	{`a`, `a`},
-	{`ab`, `ab`},
-	{`a|b`, `[a-b]`},
-	{`ab|cd`, `ab|cd`},
-	{`(ab)*`, `(ab)*`},
-	{`(ab)+`, `(ab)+`},
-	{`(ab)?`, `(ab)?`},
-	{`.`, `(?s:.)`},
-	{`^`, `^`},
-	{`$`, `$`},
-	{`[ac]`, `[ac]`},
-	{`[^ac]`, `[^ac]`},
-
-	// Posix character classes
-	{`[[:alnum:]]`, `[0-9A-Za-z]`},
-	{`[[:alpha:]]`, `[A-Za-z]`},
-	{`[[:blank:]]`, `[\t ]`},
-	{`[[:cntrl:]]`, `[\x00-\x1f\x7f]`},
-	{`[[:digit:]]`, `[0-9]`},
-	{`[[:graph:]]`, `[!-~]`},
-	{`[[:lower:]]`, `[a-z]`},
-	{`[[:print:]]`, `[ -~]`},
-	{`[[:punct:]]`, "[!-/:-@\\[-`\\{-~]"},
-	{`[[:space:]]`, `[\t-\r ]`},
-	{`[[:upper:]]`, `[A-Z]`},
-	{`[[:xdigit:]]`, `[0-9A-Fa-f]`},
-
-	// Perl character classes
-	{`\d`, `[0-9]`},
-	{`\s`, `[\t-\n\f-\r ]`},
-	{`\w`, `[0-9A-Z_a-z]`},
-	{`\D`, `[^0-9]`},
-	{`\S`, `[^\t-\n\f-\r ]`},
-	{`\W`, `[^0-9A-Z_a-z]`},
-	{`[\d]`, `[0-9]`},
-	{`[\s]`, `[\t-\n\f-\r ]`},
-	{`[\w]`, `[0-9A-Z_a-z]`},
-	{`[\D]`, `[^0-9]`},
-	{`[\S]`, `[^\t-\n\f-\r ]`},
-	{`[\W]`, `[^0-9A-Z_a-z]`},
-
-	// Posix repetitions
-	{`a{1}`, `a`},
-	{`a{2}`, `aa`},
-	{`a{5}`, `aaaaa`},
-	{`a{0,1}`, `a?`},
-	// The next three are illegible because Simplify inserts (?:)
-	// parens instead of () parens to avoid creating extra
-	// captured subexpressions.  The comments show a version with fewer parens.
-	{`(a){0,2}`, `(?:(a)(a)?)?`},                       //       (aa?)?
-	{`(a){0,4}`, `(?:(a)(?:(a)(?:(a)(a)?)?)?)?`},       //   (a(a(aa?)?)?)?
-	{`(a){2,6}`, `(a)(a)(?:(a)(?:(a)(?:(a)(a)?)?)?)?`}, // aa(a(a(aa?)?)?)?
-	{`a{0,2}`, `(?:aa?)?`},                             //       (aa?)?
-	{`a{0,4}`, `(?:a(?:a(?:aa?)?)?)?`},                 //   (a(a(aa?)?)?)?
-	{`a{2,6}`, `aa(?:a(?:a(?:aa?)?)?)?`},               // aa(a(a(aa?)?)?)?
-	{`a{0,}`, `a*`},
-	{`a{1,}`, `a+`},
-	{`a{2,}`, `aa+`},
-	{`a{5,}`, `aaaaa+`},
-
-	// Test that operators simplify their arguments.
-	{`(?:a{1,}){1,}`, `a+`},
-	{`(a{1,}b{1,})`, `(a+b+)`},
-	{`a{1,}|b{1,}`, `a+|b+`},
-	{`(?:a{1,})*`, `(?:a+)*`},
-	{`(?:a{1,})+`, `a+`},
-	{`(?:a{1,})?`, `(?:a+)?`},
-	{``, `(?:)`},
-	{`a{0}`, `(?:)`},
-
-	// Character class simplification
-	{`[ab]`, `[a-b]`},
-	{`[a-za-za-z]`, `[a-z]`},
-	{`[A-Za-zA-Za-z]`, `[A-Za-z]`},
-	{`[ABCDEFGH]`, `[A-H]`},
-	{`[AB-CD-EF-GH]`, `[A-H]`},
-	{`[W-ZP-XE-R]`, `[E-Z]`},
-	{`[a-ee-gg-m]`, `[a-m]`},
-	{`[a-ea-ha-m]`, `[a-m]`},
-	{`[a-ma-ha-e]`, `[a-m]`},
-	{`[a-zA-Z0-9 -~]`, `[ -~]`},
-
-	// Empty character classes
-	{`[^[:cntrl:][:^cntrl:]]`, `[^\x00-\x{10FFFF}]`},
-
-	// Full character classes
-	{`[[:cntrl:][:^cntrl:]]`, `(?s:.)`},
-
-	// Unicode case folding.
-	{`(?i)A`, `(?i:A)`},
-	{`(?i)a`, `(?i:A)`},
-	{`(?i)[A]`, `(?i:A)`},
-	{`(?i)[a]`, `(?i:A)`},
-	{`(?i)K`, `(?i:K)`},
-	{`(?i)k`, `(?i:K)`},
-	{`(?i)\x{212a}`, "(?i:K)"},
-	{`(?i)[K]`, "[Kk\u212A]"},
-	{`(?i)[k]`, "[Kk\u212A]"},
-	{`(?i)[\x{212a}]`, "[Kk\u212A]"},
-	{`(?i)[a-z]`, "[A-Za-z\u017F\u212A]"},
-	{`(?i)[\x00-\x{FFFD}]`, "[\\x00-\uFFFD]"},
-	{`(?i)[\x00-\x{10FFFF}]`, `(?s:.)`},
-
-	// Empty string as a regular expression.
-	// The empty string must be preserved inside parens in order
-	// to make submatches work right, so these tests are less
-	// interesting than they might otherwise be.  String inserts
-	// explicit (?:) in place of non-parenthesized empty strings,
-	// to make them easier to spot for other parsers.
-	{`(a|b|)`, `([a-b]|(?:))`},
-	{`(|)`, `()`},
-	{`a()`, `a()`},
-	{`(()|())`, `(()|())`},
-	{`(a|)`, `(a|(?:))`},
-	{`ab()cd()`, `ab()cd()`},
-	{`()`, `()`},
-	{`()*`, `()*`},
-	{`()+`, `()+`},
-	{`()?`, `()?`},
-	{`(){0}`, `(?:)`},
-	{`(){1}`, `()`},
-	{`(){1,}`, `()+`},
-	{`(){0,2}`, `(?:()()?)?`},
-}
-
-func TestSimplify(t *testing.T) {
-	for _, tt := range simplifyTests {
-		re, err := Parse(tt.Regexp, MatchNL|Perl&^OneLine)
-		if err != nil {
-			t.Errorf("Parse(%#q) = error %v", tt.Regexp, err)
-			continue
-		}
-		s := re.Simplify().String()
-		if s != tt.Simple {
-			t.Errorf("Simplify(%#q) = %#q, want %#q", tt.Regexp, s, tt.Simple)
-		}
-	}
-}