Replace RE2 import with a dependency

third_party/re2/re2/testing/parse_test.cc

Index: third_party/re2/re2/testing/parse_test.cc
diff --git a/third_party/re2/re2/testing/parse_test.cc b/third_party/re2/re2/testing/parse_test.cc
deleted file mode 100644
index 75c02966dbd6a208fb41afc06e520112ebbedc1c..0000000000000000000000000000000000000000
--- a/third_party/re2/re2/testing/parse_test.cc
+++ /dev/null
@@ -1,470 +0,0 @@
-// Copyright 2006 The RE2 Authors.  All Rights Reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Test parse.cc, dump.cc, and tostring.cc.
-
-#include <string>
-#include <vector>
-#include "util/test.h"
-#include "re2/regexp.h"
-
-namespace re2 {
-
-static const Regexp::ParseFlags TestZeroFlags = Regexp::ParseFlags(1<<30);
-
-struct Test {
-  const char* regexp;
-  const char* parse;
-  Regexp::ParseFlags flags;
-};
-
-static Regexp::ParseFlags kTestFlags = Regexp::MatchNL |
-                                       Regexp::PerlX |
-                                       Regexp::PerlClasses |
-                                       Regexp::UnicodeGroups;
-
-static Test tests[] = {
-  // Base cases
-  { "a", "lit{a}" },
-  { "a.", "cat{lit{a}dot{}}" },
-  { "a.b", "cat{lit{a}dot{}lit{b}}" },
-  { "ab", "str{ab}" },
-  { "a.b.c", "cat{lit{a}dot{}lit{b}dot{}lit{c}}" },
-  { "abc", "str{abc}" },
-  { "a|^", "alt{lit{a}bol{}}" },
-  { "a|b", "cc{0x61-0x62}" },
-  { "(a)", "cap{lit{a}}" },
-  { "(a)|b", "alt{cap{lit{a}}lit{b}}" },
-  { "a*", "star{lit{a}}" },
-  { "a+", "plus{lit{a}}" },
-  { "a?", "que{lit{a}}" },
-  { "a{2}", "rep{2,2 lit{a}}" },
-  { "a{2,3}", "rep{2,3 lit{a}}" },
-  { "a{2,}", "rep{2,-1 lit{a}}" },
-  { "a*?", "nstar{lit{a}}" },
-  { "a+?", "nplus{lit{a}}" },
-  { "a??", "nque{lit{a}}" },
-  { "a{2}?", "nrep{2,2 lit{a}}" },
-  { "a{2,3}?", "nrep{2,3 lit{a}}" },
-  { "a{2,}?", "nrep{2,-1 lit{a}}" },
-  { "", "emp{}" },
-  { "|", "emp{}" },  // alt{emp{}emp{}} but got factored
-  { "|x|", "alt{emp{}lit{x}emp{}}" },
-  { ".", "dot{}" },
-  { "^", "bol{}" },
-  { "$", "eol{}" },
-  { "\\|", "lit{|}" },
-  { "\\(", "lit{(}" },
-  { "\\)", "lit{)}" },
-  { "\\*", "lit{*}" },
-  { "\\+", "lit{+}" },
-  { "\\?", "lit{?}" },
-  { "{", "lit{{}" },
-  { "}", "lit{}}" },
-  { "\\.", "lit{.}" },
-  { "\\^", "lit{^}" },
-  { "\\$", "lit{$}" },
-  { "\\\\", "lit{\\}" },
-  { "[ace]", "cc{0x61 0x63 0x65}" },
-  { "[abc]", "cc{0x61-0x63}" },
-  { "[a-z]", "cc{0x61-0x7a}" },
-  { "[a]", "lit{a}" },
-  { "\\-", "lit{-}" },
-  { "-", "lit{-}" },
-  { "\\_", "lit{_}" },
-
-  // Posix and Perl extensions
-  { "[[:lower:]]", "cc{0x61-0x7a}" },
-  { "[a-z]", "cc{0x61-0x7a}" },
-  { "[^[:lower:]]", "cc{0-0x60 0x7b-0x10ffff}" },
-  { "[[:^lower:]]", "cc{0-0x60 0x7b-0x10ffff}" },
-  { "(?i)[[:lower:]]", "cc{0x41-0x5a 0x61-0x7a 0x17f 0x212a}" },
-  { "(?i)[a-z]", "cc{0x41-0x5a 0x61-0x7a 0x17f 0x212a}" },
-  { "(?i)[^[:lower:]]", "cc{0-0x40 0x5b-0x60 0x7b-0x17e 0x180-0x2129 0x212b-0x10ffff}" },
-  { "(?i)[[:^lower:]]", "cc{0-0x40 0x5b-0x60 0x7b-0x17e 0x180-0x2129 0x212b-0x10ffff}" },
-  { "\\d", "cc{0x30-0x39}" },
-  { "\\D", "cc{0-0x2f 0x3a-0x10ffff}" },
-  { "\\s", "cc{0x9-0xa 0xc-0xd 0x20}" },
-  { "\\S", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}" },
-  { "\\w", "cc{0x30-0x39 0x41-0x5a 0x5f 0x61-0x7a}" },
-  { "\\W", "cc{0-0x2f 0x3a-0x40 0x5b-0x5e 0x60 0x7b-0x10ffff}" },
-  { "(?i)\\w", "cc{0x30-0x39 0x41-0x5a 0x5f 0x61-0x7a 0x17f 0x212a}" },
-  { "(?i)\\W", "cc{0-0x2f 0x3a-0x40 0x5b-0x5e 0x60 0x7b-0x17e 0x180-0x2129 0x212b-0x10ffff}" },
-  { "[^\\\\]", "cc{0-0x5b 0x5d-0x10ffff}" },
-  { "\\C", "byte{}" },
-
-  // Unicode, negatives, and a double negative.
-  { "\\p{Braille}", "cc{0x2800-0x28ff}" },
-  { "\\P{Braille}", "cc{0-0x27ff 0x2900-0x10ffff}" },
-  { "\\p{^Braille}", "cc{0-0x27ff 0x2900-0x10ffff}" },
-  { "\\P{^Braille}", "cc{0x2800-0x28ff}" },
-
-  // More interesting regular expressions.
-  { "a{,2}", "str{a{,2}}" },
-  { "\\.\\^\\$\\\\", "str{.^$\\}" },
-  { "[a-zABC]", "cc{0x41-0x43 0x61-0x7a}" },
-  { "[^a]", "cc{0-0x60 0x62-0x10ffff}" },
-  { "[\xce\xb1-\xce\xb5\xe2\x98\xba]", "cc{0x3b1-0x3b5 0x263a}" },  // utf-8
-  { "a*{", "cat{star{lit{a}}lit{{}}" },
-
-  // Test precedences
-  { "(?:ab)*", "star{str{ab}}" },
-  { "(ab)*", "star{cap{str{ab}}}" },
-  { "ab|cd", "alt{str{ab}str{cd}}" },
-  { "a(b|c)d", "cat{lit{a}cap{cc{0x62-0x63}}lit{d}}" },
-
-  // Test flattening.
-  { "(?:a)", "lit{a}" },
-  { "(?:ab)(?:cd)", "str{abcd}" },
-  { "(?:a|b)|(?:c|d)", "cc{0x61-0x64}" },
-  { "a|c", "cc{0x61 0x63}" },
-  { "a|[cd]", "cc{0x61 0x63-0x64}" },
-  { "a|.", "dot{}" },
-  { "[ab]|c", "cc{0x61-0x63}" },
-  { "[ab]|[cd]", "cc{0x61-0x64}" },
-  { "[ab]|.", "dot{}" },
-  { ".|c", "dot{}" },
-  { ".|[cd]", "dot{}" },
-  { ".|.", "dot{}" },
-
-  // Test Perl quoted literals
-  { "\\Q+|*?{[\\E", "str{+|*?{[}" },
-  { "\\Q+\\E+", "plus{lit{+}}" },
-  { "\\Q\\\\E", "lit{\\}" },
-  { "\\Q\\\\\\E", "str{\\\\}" },
-  { "\\Qa\\E*", "star{lit{a}}" },
-  { "\\Qab\\E*", "cat{lit{a}star{lit{b}}}" },
-  { "\\Qabc\\E*", "cat{str{ab}star{lit{c}}}" },
-
-  // Test Perl \A and \z
-  { "(?m)^", "bol{}" },
-  { "(?m)$", "eol{}" },
-  { "(?-m)^", "bot{}" },
-  { "(?-m)$", "eot{}" },
-  { "(?m)\\A", "bot{}" },
-  { "(?m)\\z", "eot{\\z}" },
-  { "(?-m)\\A", "bot{}" },
-  { "(?-m)\\z", "eot{\\z}" },
-
-  // Test named captures
-  { "(?P<name>a)", "cap{name:lit{a}}" },
-
-  // Case-folded literals
-  { "[Aa]", "litfold{a}" },
-
-  // Strings
-  { "abcde", "str{abcde}" },
-  { "[Aa][Bb]cd", "cat{strfold{ab}str{cd}}" },
-
-  // Reported bug involving \n leaking in despite use of NeverNL.
-  { "[^ ]", "cc{0-0x9 0xb-0x1f 0x21-0x10ffff}", TestZeroFlags },
-  { "[^ ]", "cc{0-0x9 0xb-0x1f 0x21-0x10ffff}", Regexp::FoldCase },
-  { "[^ ]", "cc{0-0x9 0xb-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ ]", "cc{0-0x9 0xb-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \f]", "cc{0-0x9 0xb 0xd-0x1f 0x21-0x10ffff}", TestZeroFlags },
-  { "[^ \f]", "cc{0-0x9 0xb 0xd-0x1f 0x21-0x10ffff}", Regexp::FoldCase },
-  { "[^ \f]", "cc{0-0x9 0xb 0xd-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \f]", "cc{0-0x9 0xb 0xd-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \r]", "cc{0-0x9 0xb-0xc 0xe-0x1f 0x21-0x10ffff}", TestZeroFlags },
-  { "[^ \r]", "cc{0-0x9 0xb-0xc 0xe-0x1f 0x21-0x10ffff}", Regexp::FoldCase },
-  { "[^ \r]", "cc{0-0x9 0xb-0xc 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \r]", "cc{0-0x9 0xb-0xc 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \v]", "cc{0-0x9 0xc-0x1f 0x21-0x10ffff}", TestZeroFlags },
-  { "[^ \v]", "cc{0-0x9 0xc-0x1f 0x21-0x10ffff}", Regexp::FoldCase },
-  { "[^ \v]", "cc{0-0x9 0xc-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \v]", "cc{0-0x9 0xc-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \t]", "cc{0-0x8 0xb-0x1f 0x21-0x10ffff}", TestZeroFlags },
-  { "[^ \t]", "cc{0-0x8 0xb-0x1f 0x21-0x10ffff}", Regexp::FoldCase },
-  { "[^ \t]", "cc{0-0x8 0xb-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \t]", "cc{0-0x8 0xb-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \r\f\v]", "cc{0-0x9 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \r\f\v]", "cc{0-0x9 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \r\f\t\v]", "cc{0-0x8 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \r\f\t\v]", "cc{0-0x8 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \r\n\f\t\v]", "cc{0-0x8 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \r\n\f\t\v]", "cc{0-0x8 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^ \r\n\f\t]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL },
-  { "[^ \r\n\f\t]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}", Regexp::NeverNL | Regexp::FoldCase },
-  { "[^\t-\n\f-\r ]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses },
-  { "[^\t-\n\f-\r ]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::FoldCase },
-  { "[^\t-\n\f-\r ]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::NeverNL },
-  { "[^\t-\n\f-\r ]", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::NeverNL | Regexp::FoldCase },
-  { "\\S", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses },
-  { "\\S", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::FoldCase },
-  { "\\S", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::NeverNL },
-  { "\\S", "cc{0-0x8 0xb 0xe-0x1f 0x21-0x10ffff}",
-    Regexp::PerlClasses | Regexp::NeverNL | Regexp::FoldCase },
-};
-
-bool RegexpEqualTestingOnly(Regexp* a, Regexp* b) {
-  return Regexp::Equal(a, b);
-}
-
-void TestParse(const Test* tests, int ntests, Regexp::ParseFlags flags,
-               const string& title) {
-  Regexp** re = new Regexp*[ntests];
-  for (int i = 0; i < ntests; i++) {
-    RegexpStatus status;
-    Regexp::ParseFlags f = flags;
-    if (tests[i].flags != 0) {
-      f = tests[i].flags & ~TestZeroFlags;
-    }
-    re[i] = Regexp::Parse(tests[i].regexp, f, &status);
-    CHECK(re[i] != NULL) << " " << tests[i].regexp << " "
-                         << status.Text();
-    string s = re[i]->Dump();
-    EXPECT_EQ(string(tests[i].parse), s) << "Regexp: " << tests[i].regexp
-      << "\nparse: " << string(tests[i].parse) << " s: " << s << " flag=" << f;
-  }
-
-  for (int i = 0; i < ntests; i++) {
-    for (int j = 0; j < ntests; j++) {
-      EXPECT_EQ(string(tests[i].parse) == string(tests[j].parse),
-                RegexpEqualTestingOnly(re[i], re[j]))
-        << "Regexp: " << tests[i].regexp << " " << tests[j].regexp;
-    }
-  }
-
-  for (int i = 0; i < ntests; i++)
-    re[i]->Decref();
-  delete[] re;
-}
-
-// Test that regexps parse to expected structures.
-TEST(TestParse, SimpleRegexps) {
-  TestParse(tests, arraysize(tests), kTestFlags, "simple");
-}
-
-Test foldcase_tests[] = {
-  { "AbCdE", "strfold{abcde}" },
-  { "[Aa]", "litfold{a}" },
-  { "a", "litfold{a}" },
-
-  // 0x17F is an old English long s (looks like an f) and folds to s.
-  // 0x212A is the Kelvin symbol and folds to k.
-  { "A[F-g]", "cat{litfold{a}cc{0x41-0x7a 0x17f 0x212a}}" },  // [Aa][A-z...]
-  { "[[:upper:]]", "cc{0x41-0x5a 0x61-0x7a 0x17f 0x212a}" },
-  { "[[:lower:]]", "cc{0x41-0x5a 0x61-0x7a 0x17f 0x212a}" },
-};
-
-// Test that parsing with FoldCase works.
-TEST(TestParse, FoldCase) {
-  TestParse(foldcase_tests, arraysize(foldcase_tests), Regexp::FoldCase, "foldcase");
-}
-
-Test literal_tests[] = {
-  { "(|)^$.[*+?]{5,10},\\", "str{(|)^$.[*+?]{5,10},\\}" },
-};
-
-// Test that parsing with Literal works.
-TEST(TestParse, Literal) {
-  TestParse(literal_tests, arraysize(literal_tests), Regexp::Literal, "literal");
-}
-
-Test matchnl_tests[] = {
-  { ".", "dot{}" },
-  { "\n", "lit{\n}" },
-  { "[^a]", "cc{0-0x60 0x62-0x10ffff}" },
-  { "[a\\n]", "cc{0xa 0x61}" },
-};
-
-// Test that parsing with MatchNL works.
-// (Also tested above during simple cases.)
-TEST(TestParse, MatchNL) {
-  TestParse(matchnl_tests, arraysize(matchnl_tests), Regexp::MatchNL, "with MatchNL");
-}
-
-Test nomatchnl_tests[] = {
-  { ".", "cc{0-0x9 0xb-0x10ffff}" },
-  { "\n", "lit{\n}" },
-  { "[^a]", "cc{0-0x9 0xb-0x60 0x62-0x10ffff}" },
-  { "[a\\n]", "cc{0xa 0x61}" },
-};
-
-// Test that parsing without MatchNL works.
-TEST(TestParse, NoMatchNL) {
-  TestParse(nomatchnl_tests, arraysize(nomatchnl_tests), Regexp::NoParseFlags, "without MatchNL");
-}
-
-Test prefix_tests[] = {
-  { "abc|abd", "cat{str{ab}cc{0x63-0x64}}" },
-  { "a(?:b)c|abd", "cat{str{ab}cc{0x63-0x64}}" },
-  { "abc|abd|aef|bcx|bcy",
-    "alt{cat{lit{a}alt{cat{lit{b}cc{0x63-0x64}}str{ef}}}"
-      "cat{str{bc}cc{0x78-0x79}}}" },
-  { "abc|x|abd", "alt{str{abc}lit{x}str{abd}}" },
-  { "(?i)abc|ABD", "cat{strfold{ab}cc{0x43-0x44 0x63-0x64}}" },
-  { "[ab]c|[ab]d", "cat{cc{0x61-0x62}cc{0x63-0x64}}" },
-  { "(?:xx|yy)c|(?:xx|yy)d",
-    "cat{alt{str{xx}str{yy}}cc{0x63-0x64}}" },
-  { "x{2}|x{2}[0-9]",
-    "cat{rep{2,2 lit{x}}alt{emp{}cc{0x30-0x39}}}" },
-  { "x{2}y|x{2}[0-9]y",
-    "cat{rep{2,2 lit{x}}alt{lit{y}cat{cc{0x30-0x39}lit{y}}}}" },
-  { "n|r|rs",
-    "alt{lit{n}cat{lit{r}alt{emp{}lit{s}}}}" },
-  { "n|rs|r",
-    "alt{lit{n}cat{lit{r}alt{lit{s}emp{}}}}" },
-  { "r|rs|n",
-    "alt{cat{lit{r}alt{emp{}lit{s}}}lit{n}}" },
-  { "rs|r|n",
-    "alt{cat{lit{r}alt{lit{s}emp{}}}lit{n}}" },
-};
-
-// Test that prefix factoring works.
-TEST(TestParse, Prefix) {
-  TestParse(prefix_tests, arraysize(prefix_tests), Regexp::PerlX, "prefix");
-}
-
-Test nested_tests[] = {
-  { "((((((((((x{2}){2}){2}){2}){2}){2}){2}){2}){2}))",
-    "cap{cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 lit{x}}}}}}}}}}}}}}}}}}}}" },
-  { "((((((((((x{1}){2}){2}){2}){2}){2}){2}){2}){2}){2})",
-    "cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{1,1 lit{x}}}}}}}}}}}}}}}}}}}}}" },
-  { "((((((((((x{0}){2}){2}){2}){2}){2}){2}){2}){2}){2})",
-    "cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 cap{rep{0,0 lit{x}}}}}}}}}}}}}}}}}}}}}" },
-  { "((((((x{2}){2}){2}){5}){5}){5})",
-    "cap{rep{5,5 cap{rep{5,5 cap{rep{5,5 cap{rep{2,2 cap{rep{2,2 cap{rep{2,2 lit{x}}}}}}}}}}}}}" },
-};
-
-// Test that nested repetition works.
-TEST(TestParse, Nested) {
-  TestParse(nested_tests, arraysize(nested_tests), Regexp::PerlX, "nested");
-}
-
-// Invalid regular expressions
-const char* badtests[] = {
-  "(",
-  ")",
-  "(a",
-  "(a|b|",
-  "(a|b",
-  "[a-z",
-  "([a-z)",
-  "x{1001}",
-  "\xff",      // Invalid UTF-8
-  "[\xff]",
-  "[\\\xff]",
-  "\\\xff",
-  "(?P<name>a",
-  "(?P<name>",
-  "(?P<name",
-  "(?P<x y>a)",
-  "(?P<>a)",
-  "[a-Z]",
-  "(?i)[a-Z]",
-  "a{100000}",
-  "a{100000,}",
-  "((((((((((x{2}){2}){2}){2}){2}){2}){2}){2}){2}){2})",
-  "(((x{7}){11}){13})",
-  "\\Q\\E*",
-};
-
-// Valid in Perl, bad in POSIX
-const char* only_perl[] = {
- "[a-b-c]",
- "\\Qabc\\E",
- "\\Q*+?{[\\E",
- "\\Q\\\\E",
- "\\Q\\\\\\E",
- "\\Q\\\\\\\\E",
- "\\Q\\\\\\\\\\E",
- "(?:a)",
- "(?P<name>a)",
-};
-
-// Valid in POSIX, bad in Perl.
-const char* only_posix[] = {
-  "a++",
-  "a**",
-  "a?*",
-  "a+*",
-  "a{1}*",
-};
-
-// Test that parser rejects bad regexps.
-TEST(TestParse, InvalidRegexps) {
-  for (int i = 0; i < arraysize(badtests); i++) {
-    CHECK(Regexp::Parse(badtests[i], Regexp::PerlX, NULL) == NULL)
-      << " " << badtests[i];
-    CHECK(Regexp::Parse(badtests[i], Regexp::NoParseFlags, NULL) == NULL)
-      << " " << badtests[i];
-  }
-  for (int i = 0; i < arraysize(only_posix); i++) {
-    CHECK(Regexp::Parse(only_posix[i], Regexp::PerlX, NULL) == NULL)
-      << " " << only_posix[i];
-    Regexp* re = Regexp::Parse(only_posix[i], Regexp::NoParseFlags, NULL);
-    CHECK(re) << " " << only_posix[i];
-    re->Decref();
-  }
-  for (int i = 0; i < arraysize(only_perl); i++) {
-    CHECK(Regexp::Parse(only_perl[i], Regexp::NoParseFlags, NULL) == NULL)
-      << " " << only_perl[i];
-    Regexp* re = Regexp::Parse(only_perl[i], Regexp::PerlX, NULL);
-    CHECK(re) << " " << only_perl[i];
-    re->Decref();
-  }
-}
-
-// Test that ToString produces original regexp or equivalent one.
-TEST(TestToString, EquivalentParse) {
-  for (int i = 0; i < arraysize(tests); i++) {
-    RegexpStatus status;
-    Regexp::ParseFlags f = kTestFlags;
-    if (tests[i].flags != 0) {
-      f = tests[i].flags & ~TestZeroFlags;
-    }
-    Regexp* re = Regexp::Parse(tests[i].regexp, f, &status);
-    CHECK(re != NULL) << " " << tests[i].regexp << " " << status.Text();
-    string s = re->Dump();
-    EXPECT_EQ(string(tests[i].parse), s) << " " << tests[i].regexp << " " << string(tests[i].parse) << " " << s;
-    string t = re->ToString();
-    if (t != tests[i].regexp) {
-      // If ToString didn't return the original regexp,
-      // it must have found one with fewer parens.
-      // Unfortunately we can't check the length here, because
-      // ToString produces "\\{" for a literal brace,
-      // but "{" is a shorter equivalent.
-      // CHECK_LT(t.size(), strlen(tests[i].regexp))
-      //     << " t=" << t << " regexp=" << tests[i].regexp;
-
-      // Test that if we parse the new regexp we get the same structure.
-      Regexp* nre = Regexp::Parse(t, Regexp::MatchNL | Regexp::PerlX, &status);
-      CHECK(nre != NULL) << " reparse " << t << " " << status.Text();
-      string ss = nre->Dump();
-      string tt = nre->ToString();
-      if (s != ss || t != tt)
-        LOG(INFO) << "ToString(" << tests[i].regexp << ") = " << t;
-      EXPECT_EQ(s, ss);
-      EXPECT_EQ(t, tt);
-      nre->Decref();
-    }
-    re->Decref();
-  }
-}
-
-// Test that capture error args are correct.
-TEST(NamedCaptures, ErrorArgs) {
-  RegexpStatus status;
-  Regexp* re;
-
-  re = Regexp::Parse("test(?P<name", Regexp::LikePerl, &status);
-  EXPECT_TRUE(re == NULL);
-  EXPECT_EQ(status.code(), kRegexpBadNamedCapture);
-  EXPECT_EQ(status.error_arg(), "(?P<name");
-
-  re = Regexp::Parse("test(?P<space bar>z)", Regexp::LikePerl, &status);
-  EXPECT_TRUE(re == NULL);
-  EXPECT_EQ(status.code(), kRegexpBadNamedCapture);
-  EXPECT_EQ(status.error_arg(), "(?P<space bar>");
-}
-
-}  // namespace re2