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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"));
69 TEST(StringUtilityTest, EndsWithWorks)
71 EXPECT_TRUE(gmx::endsWith("foobar", "bar"));
72 EXPECT_TRUE(gmx::endsWith("foobar", NULL));
73 EXPECT_TRUE(gmx::endsWith("foobar", ""));
74 EXPECT_TRUE(gmx::endsWith("", ""));
75 EXPECT_FALSE(gmx::endsWith("", "foobar"));
76 EXPECT_FALSE(gmx::endsWith("foobar", "bbar"));
77 EXPECT_FALSE(gmx::endsWith("foobar", "barr"));
78 EXPECT_FALSE(gmx::endsWith("foobar", "foofoobar"));
81 TEST(StringUtilityTest, StripSuffixIfPresent)
83 EXPECT_EQ("foo", gmx::stripSuffixIfPresent("foobar", "bar"));
84 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", NULL));
85 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", ""));
86 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "bbar"));
87 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "barr"));
88 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "foofoobar"));
91 /********************************************************************
92 * Tests for formatString()
95 TEST(FormatStringTest, HandlesBasicFormatting)
97 EXPECT_EQ("12 abc", gmx::formatString("%d %s", 12, "abc"));
100 TEST(FormatStringTest, HandlesLongStrings)
102 std::string longString = gmx::formatString("%*c%d", 2000, 'x', 10);
103 EXPECT_EQ(2002U, longString.length());
104 EXPECT_EQ("x10", longString.substr(1999));
107 /********************************************************************
108 * Tests for concatenateStrings()
111 typedef gmx::test::StringTestBase ConcatenateStringsTest;
113 TEST_F(ConcatenateStringsTest, HandlesDifferentStringEndings)
115 static const char * const strings[] = {
122 checkText(gmx::concatenateStrings(strings), "CombinedStrings");
125 /********************************************************************
126 * Tests for replaceAll() and replaceAllWords()
129 TEST(ReplaceAllTest, HandlesEmptyStrings)
131 EXPECT_EQ("", gmx::replaceAll("", "aaa", "bbbb"));
132 EXPECT_EQ("", gmx::replaceAllWords("", "aaa", "bbbb"));
135 TEST(ReplaceAllTest, HandlesNoMatches)
137 const std::string text("Text with no matches");
138 EXPECT_EQ(text, gmx::replaceAll(text, "aaa", "bbbb"));
139 EXPECT_EQ(text, gmx::replaceAllWords(text, "aaa", "bbbb"));
142 TEST(ReplaceAllTest, HandlesMatchesAtEnds)
144 EXPECT_EQ("bbbbtext", gmx::replaceAll("aaatext", "aaa", "bbbb"));
145 EXPECT_EQ("textbbbb", gmx::replaceAll("textaaa", "aaa", "bbbb"));
146 EXPECT_EQ("bbbb text", gmx::replaceAllWords("aaa text", "aaa", "bbbb"));
147 EXPECT_EQ("text bbbb", gmx::replaceAllWords("text aaa", "aaa", "bbbb"));
150 TEST(ReplaceAllTest, HandlesMultipleMatches)
152 const std::string text("Text aaa with multiple aaa matches");
153 EXPECT_EQ("Text bbbb with multiple bbbb matches",
154 gmx::replaceAll(text, "aaa", "bbbb"));
155 EXPECT_EQ("Text bbbb with multiple bbbb matches",
156 gmx::replaceAllWords(text, "aaa", "bbbb"));
159 TEST(ReplaceAllTest, HandlesWordBoundaries)
161 const std::string text("Text aaax with one word aaa match");
162 EXPECT_EQ("Text aaax with one word bbbb match",
163 gmx::replaceAllWords(text, "aaa", "bbbb"));
166 TEST(ReplaceAllTest, HandlesPossibleRecursiveMatches)
168 const std::string text("Text with recursive aaabbbbbb matches");
169 EXPECT_EQ("Text with recursive aaaaaabbb matches",
170 gmx::replaceAll(text, "aaabbb", "aaaaaa"));
173 /********************************************************************
174 * Tests for TextLineWrapper
177 //! Simple test string for wrapping.
178 const char g_wrapText[] = "A quick brown fox jumps over the lazy dog";
179 //! Test string for wrapping with embedded line breaks.
180 const char g_wrapText2[] = "A quick brown fox jumps\nover the lazy dog";
181 //! Test string for wrapping with a long word.
182 const char g_wrapTextLongWord[]
183 = "A quick brown fox jumps awordthatoverflowsaline over the lazy dog";
184 //! Test string for wrapping with extra whitespace.
185 const char g_wrapTextWhitespace[] = " A quick brown fox jumps \n over the lazy dog";
187 typedef gmx::test::StringTestBase TextLineWrapperTest;
189 TEST_F(TextLineWrapperTest, HandlesEmptyStrings)
191 gmx::TextLineWrapper wrapper;
193 EXPECT_EQ("", wrapper.wrapToString(""));
194 EXPECT_EQ("", wrapper.wrapToString(" "));
195 EXPECT_TRUE(wrapper.wrapToVector("").empty());
196 EXPECT_TRUE(wrapper.wrapToString(" ").empty());
199 TEST_F(TextLineWrapperTest, HandlesTrailingNewlines)
201 gmx::TextLineWrapper wrapper;
203 EXPECT_EQ("line", wrapper.wrapToString("line"));
204 EXPECT_EQ("line\n", wrapper.wrapToString("line\n"));
205 EXPECT_EQ("line\n\n", wrapper.wrapToString("line\n\n"));
206 EXPECT_EQ("\n", wrapper.wrapToString("\n"));
207 EXPECT_EQ("\n\n", wrapper.wrapToString("\n\n"));
209 std::vector<std::string> wrapped(wrapper.wrapToVector("line"));
210 ASSERT_EQ(1U, wrapped.size());
211 EXPECT_EQ("line", wrapped[0]);
214 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n"));
215 ASSERT_EQ(1U, wrapped.size());
216 EXPECT_EQ("line", wrapped[0]);
219 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n\n"));
220 ASSERT_EQ(2U, wrapped.size());
221 EXPECT_EQ("line", wrapped[0]);
222 EXPECT_EQ("", wrapped[1]);
225 std::vector<std::string> wrapped(wrapper.wrapToVector("\n"));
226 ASSERT_EQ(1U, wrapped.size());
227 EXPECT_EQ("", wrapped[0]);
230 std::vector<std::string> wrapped(wrapper.wrapToVector("\n\n"));
231 ASSERT_EQ(2U, wrapped.size());
232 EXPECT_EQ("", wrapped[0]);
233 EXPECT_EQ("", wrapped[1]);
237 TEST_F(TextLineWrapperTest, WrapsCorrectly)
239 gmx::TextLineWrapper wrapper;
241 wrapper.settings().setLineLength(10);
242 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt10");
243 std::vector<std::string> wrapped(wrapper.wrapToVector(g_wrapText));
244 checker().checkSequence(wrapped.begin(), wrapped.end(), "WrappedToVector");
245 wrapper.settings().setLineLength(13);
246 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt13");
247 wrapper.settings().setLineLength(14);
248 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt14");
249 checkText(wrapper.wrapToString(g_wrapTextLongWord), "WrappedWithLongWord");
252 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExistingBreaks)
254 gmx::TextLineWrapper wrapper;
256 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
257 wrapper.settings().setLineLength(10);
258 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt10");
259 wrapper.settings().setLineLength(14);
260 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14");
263 TEST_F(TextLineWrapperTest, HandlesIndent)
265 gmx::TextLineWrapper wrapper;
266 wrapper.settings().setIndent(2);
268 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
269 wrapper.settings().setLineLength(16);
270 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14");
273 TEST_F(TextLineWrapperTest, HandlesHangingIndent)
275 gmx::TextLineWrapper wrapper;
276 wrapper.settings().setFirstLineIndent(2);
277 wrapper.settings().setIndent(4);
279 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
280 wrapper.settings().setLineLength(16);
281 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14/12");
284 TEST_F(TextLineWrapperTest, HandlesContinuationCharacter)
286 gmx::TextLineWrapper wrapper;
287 wrapper.settings().setFirstLineIndent(2);
288 wrapper.settings().setIndent(4);
289 wrapper.settings().setContinuationChar('\\');
291 wrapper.settings().setLineLength(16);
292 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14/12");
295 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExtraWhitespace)
297 gmx::TextLineWrapper wrapper;
299 wrapper.settings().setLineLength(14);
300 wrapper.settings().setStripLeadingWhitespace(true);
301 checkText(wrapper.wrapToString(g_wrapTextWhitespace),
302 "WrappedAt14StripLeading");
303 wrapper.settings().setStripLeadingWhitespace(false);
304 checkText(wrapper.wrapToString(g_wrapTextWhitespace),
305 "WrappedAt14PreserveLeading");