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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, EndsWithWorks)
61 EXPECT_TRUE(gmx::endsWith("foobar", "bar"));
62 EXPECT_TRUE(gmx::endsWith("foobar", NULL));
63 EXPECT_TRUE(gmx::endsWith("foobar", ""));
64 EXPECT_FALSE(gmx::endsWith("foobar", "bbar"));
65 EXPECT_FALSE(gmx::endsWith("foobar", "barr"));
66 EXPECT_FALSE(gmx::endsWith("foobar", "foofoobar"));
69 TEST(StringUtilityTest, StripSuffixIfPresent)
71 EXPECT_EQ("foo", gmx::stripSuffixIfPresent("foobar", "bar"));
72 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", NULL));
73 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", ""));
74 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "bbar"));
75 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "barr"));
76 EXPECT_EQ("foobar", gmx::stripSuffixIfPresent("foobar", "foofoobar"));
79 /********************************************************************
80 * Tests for formatString()
83 TEST(FormatStringTest, HandlesBasicFormatting)
85 EXPECT_EQ("12 abc", gmx::formatString("%d %s", 12, "abc"));
88 TEST(FormatStringTest, HandlesLongStrings)
90 std::string longString = gmx::formatString("%*c%d", 2000, 'x', 10);
91 EXPECT_EQ(2002U, longString.length());
92 EXPECT_EQ("x10", longString.substr(1999));
95 /********************************************************************
96 * Tests for concatenateStrings()
99 typedef gmx::test::StringTestBase ConcatenateStringsTest;
101 TEST_F(ConcatenateStringsTest, HandlesDifferentStringEndings)
103 static const char * const strings[] = {
110 checkText(gmx::concatenateStrings(strings), "CombinedStrings");
113 /********************************************************************
114 * Tests for replaceAll() and replaceAllWords()
117 TEST(ReplaceAllTest, HandlesEmptyStrings)
119 EXPECT_EQ("", gmx::replaceAll("", "aaa", "bbbb"));
120 EXPECT_EQ("", gmx::replaceAllWords("", "aaa", "bbbb"));
123 TEST(ReplaceAllTest, HandlesNoMatches)
125 const std::string text("Text with no matches");
126 EXPECT_EQ(text, gmx::replaceAll(text, "aaa", "bbbb"));
127 EXPECT_EQ(text, gmx::replaceAllWords(text, "aaa", "bbbb"));
130 TEST(ReplaceAllTest, HandlesMatchesAtEnds)
132 EXPECT_EQ("bbbbtext", gmx::replaceAll("aaatext", "aaa", "bbbb"));
133 EXPECT_EQ("textbbbb", gmx::replaceAll("textaaa", "aaa", "bbbb"));
134 EXPECT_EQ("bbbb text", gmx::replaceAllWords("aaa text", "aaa", "bbbb"));
135 EXPECT_EQ("text bbbb", gmx::replaceAllWords("text aaa", "aaa", "bbbb"));
138 TEST(ReplaceAllTest, HandlesMultipleMatches)
140 const std::string text("Text aaa with multiple aaa matches");
141 EXPECT_EQ("Text bbbb with multiple bbbb matches",
142 gmx::replaceAll(text, "aaa", "bbbb"));
143 EXPECT_EQ("Text bbbb with multiple bbbb matches",
144 gmx::replaceAllWords(text, "aaa", "bbbb"));
147 TEST(ReplaceAllTest, HandlesWordBoundaries)
149 const std::string text("Text aaax with one word aaa match");
150 EXPECT_EQ("Text aaax with one word bbbb match",
151 gmx::replaceAllWords(text, "aaa", "bbbb"));
154 TEST(ReplaceAllTest, HandlesPossibleRecursiveMatches)
156 const std::string text("Text with recursive aaabbbbbb matches");
157 EXPECT_EQ("Text with recursive aaaaaabbb matches",
158 gmx::replaceAll(text, "aaabbb", "aaaaaa"));
161 /********************************************************************
162 * Tests for TextLineWrapper
165 const char g_wrapText[] = "A quick brown fox jumps over the lazy dog";
166 const char g_wrapText2[] = "A quick brown fox jumps\nover the lazy dog";
167 const char g_wrapTextLongWord[]
168 = "A quick brown fox jumps awordthatoverflowsaline over the lazy dog";
169 const char g_wrapTextWhitespace[] = " A quick brown fox jumps \n over the lazy dog";
171 typedef gmx::test::StringTestBase TextLineWrapperTest;
173 TEST_F(TextLineWrapperTest, HandlesEmptyStrings)
175 gmx::TextLineWrapper wrapper;
177 EXPECT_EQ("", wrapper.wrapToString(""));
178 EXPECT_EQ("", wrapper.wrapToString(" "));
179 EXPECT_TRUE(wrapper.wrapToVector("").empty());
180 EXPECT_TRUE(wrapper.wrapToString(" ").empty());
183 TEST_F(TextLineWrapperTest, HandlesTrailingNewlines)
185 gmx::TextLineWrapper wrapper;
187 EXPECT_EQ("line", wrapper.wrapToString("line"));
188 EXPECT_EQ("line\n", wrapper.wrapToString("line\n"));
189 EXPECT_EQ("line\n\n", wrapper.wrapToString("line\n\n"));
190 EXPECT_EQ("\n", wrapper.wrapToString("\n"));
191 EXPECT_EQ("\n\n", wrapper.wrapToString("\n\n"));
193 std::vector<std::string> wrapped(wrapper.wrapToVector("line"));
194 ASSERT_EQ(1U, wrapped.size());
195 EXPECT_EQ("line", wrapped[0]);
198 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n"));
199 ASSERT_EQ(1U, wrapped.size());
200 EXPECT_EQ("line", wrapped[0]);
203 std::vector<std::string> wrapped(wrapper.wrapToVector("line\n\n"));
204 ASSERT_EQ(2U, wrapped.size());
205 EXPECT_EQ("line", wrapped[0]);
206 EXPECT_EQ("", wrapped[1]);
209 std::vector<std::string> wrapped(wrapper.wrapToVector("\n"));
210 ASSERT_EQ(1U, wrapped.size());
211 EXPECT_EQ("", wrapped[0]);
214 std::vector<std::string> wrapped(wrapper.wrapToVector("\n\n"));
215 ASSERT_EQ(2U, wrapped.size());
216 EXPECT_EQ("", wrapped[0]);
217 EXPECT_EQ("", wrapped[1]);
221 TEST_F(TextLineWrapperTest, WrapsCorrectly)
223 gmx::TextLineWrapper wrapper;
225 wrapper.setLineLength(10);
226 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt10");
227 std::vector<std::string> wrapped(wrapper.wrapToVector(g_wrapText));
228 checker().checkSequence(wrapped.begin(), wrapped.end(), "WrappedToVector");
229 wrapper.setLineLength(13);
230 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt13");
231 wrapper.setLineLength(14);
232 checkText(wrapper.wrapToString(g_wrapText), "WrappedAt14");
233 checkText(wrapper.wrapToString(g_wrapTextLongWord), "WrappedWithLongWord");
236 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExistingBreaks)
238 gmx::TextLineWrapper wrapper;
240 checkText(wrapper.wrapToString(g_wrapText2), "WrappedWithNoLimit");
241 wrapper.setLineLength(10);
242 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt10");
243 wrapper.setLineLength(14);
244 checkText(wrapper.wrapToString(g_wrapText2), "WrappedAt14");
247 TEST_F(TextLineWrapperTest, WrapsCorrectlyWithExtraWhitespace)
249 gmx::TextLineWrapper wrapper;
251 wrapper.setLineLength(14);
252 checkText(wrapper.wrapToString(g_wrapTextWhitespace), "WrappedAt14");