3 * This source code is part of
7 * GROningen MAchine for Chemical Simulations
9 * Written by David van der Spoel, Erik Lindahl, Berk Hess, and others.
10 * Copyright (c) 1991-2000, University of Groningen, The Netherlands.
11 * Copyright (c) 2001-2009, The GROMACS development team,
12 * check out http://www.gromacs.org for more information.
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License
16 * as published by the Free Software Foundation; either version 2
17 * of the License, or (at your option) any later version.
19 * If you want to redistribute modifications, please consider that
20 * scientific software is very special. Version control is crucial -
21 * bugs must be traceable. We will be happy to consider code for
22 * inclusion in the official distribution, but derived work must not
23 * be called official GROMACS. Details are found in the README & COPYING
24 * files - if they are missing, get the official version at www.gromacs.org.
26 * To help us fund GROMACS development, we humbly ask that you cite
27 * the papers on the package - you can find them in the top README file.
29 * For more info, check our website at http://www.gromacs.org
33 * Tests for string utility functions and classes.
35 * For development, the tests can be run with a '-stdout' command-line option
36 * to print out the help to stdout instead of using the XML reference
39 * \author Teemu Murtola <teemu.murtola@cbr.su.se>
40 * \ingroup module_utility
45 #include <gtest/gtest.h>
47 #include "gromacs/utility/stringutil.h"
49 #include "testutils/refdata.h"
50 #include "testutils/stringtest.h"
55 /********************************************************************
56 * Tests for simple string utilities
59 TEST(StringUtilityTest, StartsWithWorks)
61 EXPECT_TRUE(gmx::startsWith("foobar", "foo"));
62 EXPECT_TRUE(gmx::startsWith("foobar", ""));
63 EXPECT_TRUE(gmx::startsWith("", ""));
64 EXPECT_FALSE(gmx::startsWith("", "foobar"));
65 EXPECT_FALSE(gmx::startsWith("foo", "foobar"));
66 EXPECT_FALSE(gmx::startsWith("foobar", "oob"));
67 EXPECT_TRUE(gmx::startsWith(std::string("foobar"), "foo"));
68 EXPECT_TRUE(gmx::startsWith(std::string("foobar"), ""));
69 EXPECT_TRUE(gmx::startsWith(std::string(""), ""));
70 EXPECT_FALSE(gmx::startsWith(std::string(""), "foobar"));
71 EXPECT_FALSE(gmx::startsWith(std::string("foo"), "foobar"));
72 EXPECT_FALSE(gmx::startsWith(std::string("foobar"), "oob"));
75 TEST(StringUtilityTest, EndsWithWorks)
77 EXPECT_TRUE(gmx::endsWith("foobar", "bar"));
78 EXPECT_TRUE(gmx::endsWith("foobar", NULL));
79 EXPECT_TRUE(gmx::endsWith("foobar", ""));
80 EXPECT_TRUE(gmx::endsWith("", ""));
81 EXPECT_FALSE(gmx::endsWith("", "foobar"));
82 EXPECT_FALSE(gmx::endsWith("foobar", "bbar"));
83 EXPECT_FALSE(gmx::endsWith("foobar", "barr"));
84 EXPECT_FALSE(gmx::endsWith("foobar", "foofoobar"));
87 TEST(StringUtilityTest, StripSuffixIfPresent)
89 EXPECT_EQ("foo", gmx::stripSuffixIfPresent("foobar", "bar"));
90 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", NULL));
91 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", ""));
92 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "bbar"));
93 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "barr"));
94 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "foofoobar"));
97 /********************************************************************
98 * Tests for formatString()
101 TEST(FormatStringTest, HandlesBasicFormatting)
103 EXPECT_EQ("12 abc", gmx::formatString("%d %s", 12, "abc"));
106 TEST(FormatStringTest, HandlesLongStrings)
108 std::string longString = gmx::formatString("%*c%d", 2000, 'x', 10);
109 EXPECT_EQ(2002U, longString.length());
110 EXPECT_EQ("x10", longString.substr(1999));
113 /********************************************************************
114 * Tests for concatenateStrings()
117 typedef gmx::test::StringTestBase ConcatenateStringsTest;
119 TEST_F(ConcatenateStringsTest, HandlesDifferentStringEndings)
121 static const char * const strings[] = {
128 checkText(gmx::concatenateStrings(strings), "CombinedStrings");
131 /********************************************************************
132 * Tests for replaceAll() and replaceAllWords()
135 TEST(ReplaceAllTest, HandlesEmptyStrings)
137 EXPECT_EQ("", gmx::replaceAll("", "aaa", "bbbb"));
138 EXPECT_EQ("", gmx::replaceAllWords("", "aaa", "bbbb"));
141 TEST(ReplaceAllTest, HandlesNoMatches)
143 const std::string text("Text with no matches");
144 EXPECT_EQ(text, gmx::replaceAll(text, "aaa", "bbbb"));
145 EXPECT_EQ(text, gmx::replaceAllWords(text, "aaa", "bbbb"));
148 TEST(ReplaceAllTest, HandlesMatchesAtEnds)
150 EXPECT_EQ("bbbbtext", gmx::replaceAll("aaatext", "aaa", "bbbb"));
151 EXPECT_EQ("textbbbb", gmx::replaceAll("textaaa", "aaa", "bbbb"));
152 EXPECT_EQ("bbbb text", gmx::replaceAllWords("aaa text", "aaa", "bbbb"));
153 EXPECT_EQ("text bbbb", gmx::replaceAllWords("text aaa", "aaa", "bbbb"));
156 TEST(ReplaceAllTest, HandlesMultipleMatches)
158 const std::string text("Text aaa with multiple aaa matches");
159 EXPECT_EQ("Text bbbb with multiple bbbb matches",
160 gmx::replaceAll(text, "aaa", "bbbb"));
161 EXPECT_EQ("Text bbbb with multiple bbbb matches",
162 gmx::replaceAllWords(text, "aaa", "bbbb"));
165 TEST(ReplaceAllTest, HandlesWordBoundaries)
167 const std::string text("Text aaax with one word aaa match");
168 EXPECT_EQ("Text aaax with one word bbbb match",
169 gmx::replaceAllWords(text, "aaa", "bbbb"));
172 TEST(ReplaceAllTest, HandlesPossibleRecursiveMatches)
174 const std::string text("Text with recursive aaabbbbbb matches");
175 EXPECT_EQ("Text with recursive aaaaaabbb matches",
176 gmx::replaceAll(text, "aaabbb", "aaaaaa"));
179 /********************************************************************
180 * Tests for TextLineWrapper
183 //! Simple test string for wrapping.
184 const char g_wrapText[] = "A quick brown fox jumps over the lazy dog";
185 //! Test string for wrapping with embedded line breaks.
186 const char g_wrapText2[] = "A quick brown fox jumps\nover the lazy dog";
187 //! Test string for wrapping with a long word.
188 const char g_wrapTextLongWord[]
189 = "A quick brown fox jumps awordthatoverflowsaline over the lazy dog";
190 //! Test string for wrapping with extra whitespace.
191 const char g_wrapTextWhitespace[] = " A quick brown fox jumps \n over the lazy dog";
193 typedef gmx::test::StringTestBase TextLineWrapperTest;
195 TEST_F(TextLineWrapperTest, HandlesEmptyStrings)
197 gmx::TextLineWrapper wrapper;
199 EXPECT_EQ("", wrapper.wrapToString(""));
200 EXPECT_EQ("", wrapper.wrapToString(" "));
201 EXPECT_TRUE(wrapper.wrapToVector("").empty());
202 EXPECT_TRUE(wrapper.wrapToString(" ").empty());
205 TEST_F(TextLineWrapperTest, HandlesTrailingNewlines)
207 gmx::TextLineWrapper wrapper;
209 EXPECT_EQ("line", wrapper.wrapToString("line"));
210 EXPECT_EQ("line\n", wrapper.wrapToString("line\n"));
211 EXPECT_EQ("line\n\n", wrapper.wrapToString("line\n\n"));
212 EXPECT_EQ("\n", wrapper.wrapToString("\n"));
213 EXPECT_EQ("\n\n", wrapper.wrapToString("\n\n"));
215 std::vector<std::string> wrapped(wrapper.wrapToVector("line"));
216 ASSERT_EQ(1U, wrapped.size());
217 EXPECT_EQ("line", wrapped[0]);
220 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n"));
221 ASSERT_EQ(1U, wrapped.size());
222 EXPECT_EQ("line", wrapped[0]);
225 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n\n"));
226 ASSERT_EQ(2U, wrapped.size());
227 EXPECT_EQ("line", wrapped[0]);
228 EXPECT_EQ("", wrapped[1]);
231 std::vector<std::string> wrapped(wrapper.wrapToVector("\n"));
232 ASSERT_EQ(1U, wrapped.size());
233 EXPECT_EQ("", wrapped[0]);
236 std::vector<std::string> wrapped(wrapper.wrapToVector("\n\n"));
237 ASSERT_EQ(2U, wrapped.size());
238 EXPECT_EQ("", wrapped[0]);
239 EXPECT_EQ("", wrapped[1]);
243 TEST_F(TextLineWrapperTest, WrapsCorrectly)
245 gmx::TextLineWrapper wrapper;
247 wrapper.settings().setLineLength(10);
248 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt10");
249 std::vector<std::string> wrapped(wrapper.wrapToVector(g_wrapText));
250 checker().checkSequence(wrapped.begin(), wrapped.end(), "WrappedToVector");
251 wrapper.settings().setLineLength(13);
252 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt13");
253 wrapper.settings().setLineLength(14);
254 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt14");
255 checkText(wrapper.wrapToString(g_wrapTextLongWord), "WrappedWithLongWord");
258 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExistingBreaks)
260 gmx::TextLineWrapper wrapper;
262 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
263 wrapper.settings().setLineLength(10);
264 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt10");
265 wrapper.settings().setLineLength(14);
266 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14");
269 TEST_F(TextLineWrapperTest, HandlesIndent)
271 gmx::TextLineWrapper wrapper;
272 wrapper.settings().setIndent(2);
274 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
275 wrapper.settings().setLineLength(16);
276 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14");
279 TEST_F(TextLineWrapperTest, HandlesHangingIndent)
281 gmx::TextLineWrapper wrapper;
282 wrapper.settings().setFirstLineIndent(2);
283 wrapper.settings().setIndent(4);
285 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
286 wrapper.settings().setLineLength(16);
287 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14/12");
290 TEST_F(TextLineWrapperTest, HandlesContinuationCharacter)
292 gmx::TextLineWrapper wrapper;
293 wrapper.settings().setFirstLineIndent(2);
294 wrapper.settings().setIndent(4);
295 wrapper.settings().setContinuationChar('\\');
297 wrapper.settings().setLineLength(16);
298 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14/12");
301 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExtraWhitespace)
303 gmx::TextLineWrapper wrapper;
305 wrapper.settings().setLineLength(14);
306 wrapper.settings().setStripLeadingWhitespace(true);
307 checkText(wrapper.wrapToString(g_wrapTextWhitespace),
308 "WrappedAt14StripLeading");
309 wrapper.settings().setStripLeadingWhitespace(false);
310 checkText(wrapper.wrapToString(g_wrapTextWhitespace),
311 "WrappedAt14PreserveLeading");