Shinichiro Hamaji | 1d545aa | 2015-06-23 15:29:13 +0900 | [diff] [blame] | 1 | // Copyright 2015 Google Inc. All rights reserved |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
Fumitoshi Ukai | 744bb2b | 2015-06-25 00:10:52 +0900 | [diff] [blame] | 15 | // +build ignore |
| 16 | |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 17 | #include "strutil.h" |
| 18 | |
| 19 | #include <assert.h> |
Dan Willemsen | cd29d6c | 2016-06-29 23:21:20 -0700 | [diff] [blame] | 20 | #include <sys/mman.h> |
| 21 | #include <unistd.h> |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 22 | |
| 23 | #include <string> |
| 24 | #include <vector> |
| 25 | |
| 26 | #include "string_piece.h" |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 27 | #include "testutil.h" |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 28 | |
| 29 | using namespace std; |
| 30 | |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 31 | namespace { |
| 32 | |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 33 | void TestWordScanner() { |
| 34 | vector<StringPiece> ss; |
Shinichiro Hamaji | 096bb4e | 2016-02-03 13:24:34 +0900 | [diff] [blame] | 35 | for (StringPiece tok : WordScanner("foo bar baz hogeeeeeeeeeeeeeeee")) { |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 36 | ss.push_back(tok); |
| 37 | } |
Shinichiro Hamaji | 096bb4e | 2016-02-03 13:24:34 +0900 | [diff] [blame] | 38 | assert(ss.size() == 4LU); |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 39 | ASSERT_EQ(ss[0], "foo"); |
| 40 | ASSERT_EQ(ss[1], "bar"); |
| 41 | ASSERT_EQ(ss[2], "baz"); |
Shinichiro Hamaji | 096bb4e | 2016-02-03 13:24:34 +0900 | [diff] [blame] | 42 | ASSERT_EQ(ss[3], "hogeeeeeeeeeeeeeeee"); |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 43 | } |
| 44 | |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 45 | void TestHasPrefix() { |
| 46 | assert(HasPrefix("foo", "foo")); |
| 47 | assert(HasPrefix("foo", "fo")); |
| 48 | assert(HasPrefix("foo", "")); |
| 49 | assert(!HasPrefix("foo", "fooo")); |
| 50 | } |
| 51 | |
| 52 | void TestHasSuffix() { |
| 53 | assert(HasSuffix("bar", "bar")); |
| 54 | assert(HasSuffix("bar", "ar")); |
| 55 | assert(HasSuffix("bar", "")); |
| 56 | assert(!HasSuffix("bar", "bbar")); |
| 57 | } |
| 58 | |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 59 | void TestTrimPrefix() { |
| 60 | ASSERT_EQ(TrimPrefix("foo", "foo"), ""); |
| 61 | ASSERT_EQ(TrimPrefix("foo", "fo"), "o"); |
| 62 | ASSERT_EQ(TrimPrefix("foo", ""), "foo"); |
| 63 | ASSERT_EQ(TrimPrefix("foo", "fooo"), "foo"); |
| 64 | } |
| 65 | |
| 66 | void TestTrimSuffix() { |
| 67 | ASSERT_EQ(TrimSuffix("bar", "bar"), ""); |
| 68 | ASSERT_EQ(TrimSuffix("bar", "ar"), "b"); |
| 69 | ASSERT_EQ(TrimSuffix("bar", ""), "bar"); |
| 70 | ASSERT_EQ(TrimSuffix("bar", "bbar"), "bar"); |
| 71 | } |
| 72 | |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 73 | string SubstPattern(StringPiece str, StringPiece pat, StringPiece subst) { |
| 74 | string r; |
Shinichiro Hamaji | a6a17a4 | 2015-06-18 20:11:19 +0900 | [diff] [blame] | 75 | Pattern(pat).AppendSubst(str, subst, &r); |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 76 | return r; |
| 77 | } |
| 78 | |
| 79 | void TestSubstPattern() { |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 80 | ASSERT_EQ(SubstPattern("x.c", "%.c", "%.o"), "x.o"); |
| 81 | ASSERT_EQ(SubstPattern("c.x", "c.%", "o.%"), "o.x"); |
| 82 | ASSERT_EQ(SubstPattern("x.c.c", "%.c", "%.o"), "x.c.o"); |
| 83 | ASSERT_EQ(SubstPattern("x.x y.c", "%.c", "%.o"), "x.x y.o"); |
| 84 | ASSERT_EQ(SubstPattern("x.%.c", "%.%.c", "OK"), "OK"); |
| 85 | ASSERT_EQ(SubstPattern("x.c", "x.c", "OK"), "OK"); |
| 86 | ASSERT_EQ(SubstPattern("x.c.c", "x.c", "XX"), "x.c.c"); |
| 87 | ASSERT_EQ(SubstPattern("x.x.c", "x.c", "XX"), "x.x.c"); |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 88 | } |
| 89 | |
Shinichiro Hamaji | 2b674c4 | 2015-06-24 17:49:35 +0900 | [diff] [blame] | 90 | void TestNoLineBreak() { |
| 91 | assert(NoLineBreak("a\nb") == "a\\nb"); |
| 92 | assert(NoLineBreak("a\nb\nc") == "a\\nb\\nc"); |
| 93 | } |
| 94 | |
Shinichiro Hamaji | c9b0aca | 2015-07-31 16:47:56 +0900 | [diff] [blame] | 95 | void TestHasWord() { |
| 96 | assert(HasWord("foo bar baz", "bar")); |
| 97 | assert(HasWord("foo bar baz", "foo")); |
| 98 | assert(HasWord("foo bar baz", "baz")); |
| 99 | assert(!HasWord("foo bar baz", "oo")); |
| 100 | assert(!HasWord("foo bar baz", "ar")); |
| 101 | assert(!HasWord("foo bar baz", "ba")); |
| 102 | assert(!HasWord("foo bar baz", "az")); |
| 103 | assert(!HasWord("foo bar baz", "ba")); |
| 104 | assert(!HasWord("foo bar baz", "fo")); |
| 105 | } |
| 106 | |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 107 | static string NormalizePath(string s) { |
| 108 | ::NormalizePath(&s); |
| 109 | return s; |
| 110 | } |
| 111 | |
| 112 | void TestNormalizePath() { |
| 113 | ASSERT_EQ(NormalizePath(""), ""); |
| 114 | ASSERT_EQ(NormalizePath("."), ""); |
| 115 | ASSERT_EQ(NormalizePath("/"), "/"); |
| 116 | ASSERT_EQ(NormalizePath("/tmp"), "/tmp"); |
| 117 | ASSERT_EQ(NormalizePath("////tmp////"), "/tmp"); |
| 118 | ASSERT_EQ(NormalizePath("a////b"), "a/b"); |
| 119 | ASSERT_EQ(NormalizePath("a//.//b"), "a/b"); |
| 120 | ASSERT_EQ(NormalizePath("a////b//../c/////"), "a/c"); |
| 121 | ASSERT_EQ(NormalizePath("../foo"), "../foo"); |
| 122 | ASSERT_EQ(NormalizePath("./foo"), "foo"); |
| 123 | ASSERT_EQ(NormalizePath("x/y/..//../foo"), "foo"); |
| 124 | ASSERT_EQ(NormalizePath("x/../../foo"), "../foo"); |
| 125 | ASSERT_EQ(NormalizePath("/../foo"), "/foo"); |
| 126 | ASSERT_EQ(NormalizePath("/../../foo"), "/foo"); |
| 127 | ASSERT_EQ(NormalizePath("/a/../../foo"), "/foo"); |
| 128 | ASSERT_EQ(NormalizePath("/a/b/.."), "/a"); |
Shinichiro Hamaji | 14ea0f1 | 2015-10-13 17:04:34 +0900 | [diff] [blame] | 129 | ASSERT_EQ(NormalizePath("../../a/b"), "../../a/b"); |
| 130 | ASSERT_EQ(NormalizePath("../../../a/b"), "../../../a/b"); |
| 131 | ASSERT_EQ(NormalizePath(".././../a/b"), "../../a/b"); |
| 132 | ASSERT_EQ(NormalizePath("./../../a/b"), "../../a/b"); |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 133 | } |
| 134 | |
Shinichiro Hamaji | a67fba3 | 2016-02-22 15:21:43 +0900 | [diff] [blame] | 135 | string EscapeShell(string s) { |
| 136 | ::EscapeShell(&s); |
| 137 | return s; |
| 138 | } |
| 139 | |
| 140 | void TestEscapeShell() { |
| 141 | ASSERT_EQ(EscapeShell(""), ""); |
| 142 | ASSERT_EQ(EscapeShell("foo"), "foo"); |
| 143 | ASSERT_EQ(EscapeShell("foo$`\\baz\"bar"), "foo\\$\\`\\\\baz\\\"bar"); |
| 144 | ASSERT_EQ(EscapeShell("$$"), "\\$$"); |
| 145 | ASSERT_EQ(EscapeShell("$$$"), "\\$$\\$"); |
Shinichiro Hamaji | 03ce239 | 2016-02-22 16:50:04 +0900 | [diff] [blame] | 146 | ASSERT_EQ(EscapeShell("\\\n"), "\\\\\n"); |
Shinichiro Hamaji | a67fba3 | 2016-02-22 15:21:43 +0900 | [diff] [blame] | 147 | } |
| 148 | |
Shinichiro Hamaji | 0140629 | 2016-02-29 19:58:52 +0900 | [diff] [blame] | 149 | void TestFindEndOfLine() { |
| 150 | size_t lf_cnt = 0; |
| 151 | ASSERT_EQ(FindEndOfLine("foo", 0, &lf_cnt), 3); |
Shinichiro Hamaji | 4a88802 | 2016-02-29 20:00:39 +0900 | [diff] [blame] | 152 | char buf[10] = {'f', 'o', '\\', '\0', 'x', 'y'}; |
Shinichiro Hamaji | 0140629 | 2016-02-29 19:58:52 +0900 | [diff] [blame] | 153 | ASSERT_EQ(FindEndOfLine(StringPiece(buf, 6), 0, &lf_cnt), 3); |
Shinichiro Hamaji | 4a88802 | 2016-02-29 20:00:39 +0900 | [diff] [blame] | 154 | ASSERT_EQ(FindEndOfLine(StringPiece(buf, 2), 0, &lf_cnt), 2); |
Shinichiro Hamaji | 0140629 | 2016-02-29 19:58:52 +0900 | [diff] [blame] | 155 | } |
| 156 | |
Dan Willemsen | cd29d6c | 2016-06-29 23:21:20 -0700 | [diff] [blame] | 157 | // Take a string, and copy it into an allocated buffer where |
| 158 | // the byte immediately after the null termination character |
| 159 | // is read protected. Useful for testing, but doesn't support |
| 160 | // freeing the allocated pages. |
| 161 | const char* CreateProtectedString(const char* str) { |
| 162 | int pagesize = sysconf(_SC_PAGE_SIZE); |
Dan Willemsen | 3ce083f | 2017-10-11 22:17:48 -0700 | [diff] [blame] | 163 | void* buffer; |
| 164 | char* buffer_str; |
Dan Willemsen | cd29d6c | 2016-06-29 23:21:20 -0700 | [diff] [blame] | 165 | |
| 166 | // Allocate two pages of memory |
| 167 | if (posix_memalign(&buffer, pagesize, pagesize * 2) != 0) { |
| 168 | perror("posix_memalign failed"); |
| 169 | assert(false); |
| 170 | } |
| 171 | |
| 172 | // Make the second page unreadable |
| 173 | buffer_str = (char*)buffer + pagesize; |
| 174 | if (mprotect(buffer_str, pagesize, PROT_NONE) != 0) { |
| 175 | perror("mprotect failed"); |
| 176 | assert(false); |
| 177 | } |
| 178 | |
| 179 | // Then move the test string into the very end of the first page |
| 180 | buffer_str -= strlen(str) + 1; |
| 181 | strcpy(buffer_str, str); |
| 182 | |
| 183 | return buffer_str; |
| 184 | } |
| 185 | |
| 186 | void TestWordScannerInvalidAccess() { |
| 187 | vector<StringPiece> ss; |
| 188 | for (StringPiece tok : WordScanner(CreateProtectedString("0123 456789"))) { |
| 189 | ss.push_back(tok); |
| 190 | } |
| 191 | assert(ss.size() == 2LU); |
| 192 | ASSERT_EQ(ss[0], "0123"); |
Shinichiro Hamaji | 8ca0f76 | 2016-06-30 17:24:02 +0900 | [diff] [blame] | 193 | ASSERT_EQ(ss[1], "456789"); |
Dan Willemsen | cd29d6c | 2016-06-29 23:21:20 -0700 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | void TestFindEndOfLineInvalidAccess() { |
| 197 | size_t lf_cnt = 0; |
| 198 | ASSERT_EQ(FindEndOfLine(CreateProtectedString("a\\"), 0, &lf_cnt), 2); |
| 199 | } |
| 200 | |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 201 | } // namespace |
| 202 | |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 203 | int main() { |
| 204 | TestWordScanner(); |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 205 | TestHasPrefix(); |
| 206 | TestHasSuffix(); |
Dan Willemsen | e41c755 | 2017-02-22 14:31:16 -0800 | [diff] [blame] | 207 | TestTrimPrefix(); |
| 208 | TestTrimSuffix(); |
Shinichiro Hamaji | f91d682 | 2015-06-16 17:51:23 +0900 | [diff] [blame] | 209 | TestSubstPattern(); |
Shinichiro Hamaji | 2b674c4 | 2015-06-24 17:49:35 +0900 | [diff] [blame] | 210 | TestNoLineBreak(); |
Shinichiro Hamaji | c9b0aca | 2015-07-31 16:47:56 +0900 | [diff] [blame] | 211 | TestHasWord(); |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 212 | TestNormalizePath(); |
Shinichiro Hamaji | a67fba3 | 2016-02-22 15:21:43 +0900 | [diff] [blame] | 213 | TestEscapeShell(); |
Shinichiro Hamaji | 0140629 | 2016-02-29 19:58:52 +0900 | [diff] [blame] | 214 | TestFindEndOfLine(); |
Dan Willemsen | cd29d6c | 2016-06-29 23:21:20 -0700 | [diff] [blame] | 215 | TestWordScannerInvalidAccess(); |
| 216 | TestFindEndOfLineInvalidAccess(); |
Shinichiro Hamaji | b3591ed | 2015-08-10 20:06:50 +0900 | [diff] [blame] | 217 | assert(!g_failed); |
Shinichiro Hamaji | 63e68fc | 2015-06-16 17:36:53 +0900 | [diff] [blame] | 218 | } |