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37 * Tests for gmx::TextWriter.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_utility
44 #include "gromacs/utility/textwriter.h"
48 #include <gtest/gtest.h>
50 #include "gromacs/utility/stringstream.h"
51 #include "gromacs/utility/stringutil.h"
53 #include "testutils/stringtest.h"
58 class TextWriterTest : public gmx::test::StringTestBase
61 TextWriterTest() : writer_(&stream_) {}
63 void checkOutput() { checkText(stream_.toString(), "Output"); }
65 gmx::StringOutputStream stream_;
66 gmx::TextWriter writer_;
69 TEST_F(TextWriterTest, WritesLines)
71 writer_.writeLine("Explicit newline\n");
72 writer_.writeLine("Implicit newline");
73 writer_.writeLine(std::string("Explicit newline\n"));
74 writer_.writeLine(std::string("Implicit newline"));
79 TEST_F(TextWriterTest, WritesLinesInParts)
81 writer_.writeString("Partial ");
82 writer_.writeString("spaced");
83 writer_.writeString(" line");
85 writer_.writeString(std::string("Partial "));
86 writer_.writeString(std::string("spaced"));
87 writer_.writeString(std::string(" line"));
92 TEST_F(TextWriterTest, WritesWrappedLines)
94 writer_.wrapperSettings().setIndent(2);
95 writer_.wrapperSettings().setLineLength(15);
96 writer_.writeLine("Wrapped and indented text");
97 writer_.writeLine(std::string("Wrapped and indented text"));
102 TEST_F(TextWriterTest, WritesLinesInPartsWithWrapper)
104 writer_.wrapperSettings().setLineLength(50);
105 writer_.writeString("Partial ");
106 writer_.writeString("spaced");
107 writer_.writeString(" line");
109 writer_.writeString(std::string("Partial "));
110 writer_.writeString(std::string("spaced"));
111 writer_.writeString(std::string(" line"));
116 TEST_F(TextWriterTest, TracksNewlines)
118 writer_.ensureLineBreak();
119 writer_.ensureEmptyLine();
120 writer_.writeString("First line");
121 writer_.ensureLineBreak();
122 writer_.ensureLineBreak();
123 writer_.writeString("Second line");
124 writer_.ensureEmptyLine();
125 writer_.writeLine("Third line");
126 writer_.ensureEmptyLine();
127 writer_.writeString(std::string("Fourth line\n"));
128 writer_.ensureLineBreak();
129 writer_.writeString(std::string("Fifth line\n\n"));
130 writer_.ensureEmptyLine();
131 writer_.writeString(std::string("Sixth line"));
132 writer_.ensureEmptyLine();
136 TEST_F(TextWriterTest, PreservesTrailingWhitespace)
138 writer_.writeString("Line ");
140 writer_.writeString(std::string("Line "));
142 writer_.writeLine("Line ");
143 writer_.writeLine(std::string("Line "));
144 writer_.writeString("Line \n");
145 writer_.writeString(std::string("Line \n"));