#include "smallUsefulFunctions_t.h"



void SmallUsefulFunctionsTest::test_getCommand_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<int>("pos");
	QTest::addColumn<QString>("outCmd");
	QTest::addColumn<int>("out");

	QTest::newRow("before") << "test \\section{sec}" << 0 << QString() << 0;
	QTest::newRow("before 2") << "test \\section{sec}" << 3 << QString() << 3;
	QTest::newRow("before 3") << "test \\section{sec}" << 4 << QString() << 4;
	QTest::newRow("at cmd start") << "\\section{sec}" << 0 << "\\section" << 8;
	QTest::newRow("at cmd start 2") << "test \\section{sec}" << 5 << "\\section" << 13;
	QTest::newRow("at cmd end") << "\\section{sec} end" << 7 << "\\section" << 8;
	QTest::newRow("at cmd end2") << "\\section nothing" << 7 << "\\section" << 8;
	QTest::newRow("at cmd end3") << "\\section" << 7 << "\\section" << 8;
	QTest::newRow("on brace") << "\\section{sec}" << 8 << QString() << 8;
	QTest::newRow("on optional brace") << "\\section[opt]{sec}" << 8 << QString() << 8;
	QTest::newRow("in argument") << "\\section{sec}" << 10 << QString() << 10;
}

void SmallUsefulFunctionsTest::test_getCommand()
{
	QFETCH(QString, line);
	QFETCH(int, pos);
	QFETCH(QString, outCmd);
	QFETCH(int, out);
	QString retCmd;
	int ret = getCommand(line, retCmd, pos);
	QEQUAL(ret, out);
	QEQUAL(retCmd, outCmd);
}

void SmallUsefulFunctionsTest::test_trimLeft_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<QString>("trimmedLine");

	QTest::newRow("leftSpace") << " ab" << "ab";
	QTest::newRow("rightSpace") << "ab " << "ab ";
	QTest::newRow("bothSpace") << " ab " << "ab ";
}

void SmallUsefulFunctionsTest::test_trimLeft()
{
	QFETCH(QString, line);
	QFETCH(QString, trimmedLine);
	QEQUAL(trimLeft(line), trimmedLine);
}

void SmallUsefulFunctionsTest::test_trimRight_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<QString>("trimmedLine");

	QTest::newRow("leftSpace") << " ab" << " ab";
	QTest::newRow("rightSpace") << "ab " << "ab";
	QTest::newRow("bothSpace") << " ab " << " ab";
}

void SmallUsefulFunctionsTest::test_trimRight()
{
	QFETCH(QString, line);
	QFETCH(QString, trimmedLine);
	QEQUAL(trimRight(line), trimmedLine);
}

void SmallUsefulFunctionsTest::test_latexToText_data()
{
	QTest::addColumn<QString>("in");
	QTest::addColumn<QString>("out");

	QTest::newRow("basic") << "\\texorpdfstring{foo}{bar}" << "bar";
	QTest::newRow("context") << "spam \\texorpdfstring{foo}{bar} and eggs" << "spam bar and eggs";
	QTest::newRow("multiple") << "spam \\texorpdfstring{foo}{bar} and \\texorpdfstring{foo}{eggs}" << "spam bar and eggs";
	QTest::newRow("spaces") << "\\texorpdfstring  {foo}  {bar}" << "bar";
	QTest::newRow("tabs") << "\\texorpdfstring\t\t{foo}\t\t{bar} spam" << "bar spam";
	QTest::newRow("texorpdfstring-noarg") << "a \\texorpdfstring no arg" << "a \\texorpdfstring no arg";
	QTest::newRow("texorpdfstring-unbalanced") << "a \\texorpdfstring{unbalanced arg" << "a \\texorpdfstring{unbalanced arg";
	QTest::newRow("texorpdfstring-singlearg") << "a \\texorpdfstring{single} arg" << "a \\texorpdfstring{single} arg";
	QTest::newRow("texorpdfstring-unbalanced2") << "a \\texorpdfstring{second}{unbalanced arg" <<  "a \\texorpdfstring{second}{unbalanced arg" ;
	QTest::newRow("discretionary hyphen") << "Wurst\\-salat" << "Wurstsalat";
}

void SmallUsefulFunctionsTest::test_latexToText()
{
	QFETCH(QString, in);
	QFETCH(QString, out);
	QEQUAL(latexToText(in), out);
}

void SmallUsefulFunctionsTest::test_joinLinesExceptCommentsAndEmptyLines_data()
{
	QTest::addColumn<QStringList>("in");
	QTest::addColumn<QStringList>("out");

	QTest::newRow("simple")
	        << (QStringList() << "ab" << "cd")
	        << (QStringList() << "ab cd");
	QTest::newRow("spaces")
	        << (QStringList() << "\tab " << "\tcd\t" << "ef\n")
	        << (QStringList() << "\tab cd ef");
	QTest::newRow("lineAsSeparator")
	        << (QStringList() << "\tab" << "" << "ef\n")
	        << (QStringList() << "\tab" << "" << "ef");
}

void SmallUsefulFunctionsTest::test_joinLinesExceptCommentsAndEmptyLines()
{
	QFETCH(QStringList, in);
	QFETCH(QStringList, out);
	QStringList joinedLines = joinLinesExceptCommentsAndEmptyLines(in);
	QEQUAL(joinedLines.length(), out.length());
	for (int i = 0; i < joinedLines.count(); i++) {
		QEQUAL2(joinedLines[i], out[i], QString("in join #%1").arg(i));
	}
}

void SmallUsefulFunctionsTest::test_splitLines_data()
{
	QTest::addColumn<int>("maxChars");
	QTest::addColumn<QStringList>("in");
	QTest::addColumn<QStringList>("out");

	QTest::newRow("splitPosition") << 10
	                               << (QStringList() << "01234 6789 12")
	                               << (QStringList() << "01234 6789" << "12");
	QTest::newRow("splitPosition2") << 9
	                                << (QStringList() << "01234 6789 12")
	                                << (QStringList() << "01234" << "6789 12");
	QTest::newRow("commentContinuation") << 24
	                                     << (QStringList() << "this is a wrap % inside a comment")
	                                     << (QStringList() << "this is a wrap % inside" << "% a comment");
	QTest::newRow("keepIndentSpace") << 11
	                                 << (QStringList() << "  01234 6789 12")
	                                 << (QStringList() << "  01234" << "  6789 12");
	QTest::newRow("keepIndentTab") << 10
	                               << (QStringList() << "\t01234 6789 12")
	                               << (QStringList() << "\t01234" << "\t6789 12");
	QTest::newRow("keepIndentComment") << 26
	                                   << (QStringList() << "  this is a wrap % inside a comment")
	                                   << (QStringList() << "  this is a wrap % inside" << "  % a comment");
}

void SmallUsefulFunctionsTest::test_splitLines()
{
	QFETCH(int, maxChars);
	QFETCH(QStringList, in);
	QFETCH(QStringList, out);
    QRegularExpression breakChars("[ \t\n\r]");
	QStringList splittedLines = splitLines(in, maxChars, breakChars);
	QEQUAL(splittedLines.length(), out.length());
	for (int i = 0; i < splittedLines.count(); i++) {
		QEQUAL2(splittedLines[i], out[i], QString("in split #%1").arg(i));
	}
}

void SmallUsefulFunctionsTest::test_tokenizeCommandLine_data()
{
	QTest::addColumn<QString>("cmdLine");
	QTest::addColumn<QStringList>("args");

	QTest::newRow("empty") << "" << QStringList();
	QTest::newRow("cmd") << "cmd" << (QStringList() << "cmd");
	QTest::newRow("cmd arg") << "cmd arg" << (QStringList() << "cmd" << "arg");
	QTest::newRow("cmd arg arg2") << "cmd arg arg2" << (QStringList() << "cmd" << "arg" << "arg2");
	QTest::newRow("\"enquoted cmd\" arg") << "\"enquoted cmd\" arg" << (QStringList() << "\"enquoted cmd\"" << "arg");
	QTest::newRow("cmd \"enquouted arg\"") << "cmd \"enquoted arg\"" << (QStringList() << "cmd" << "\"enquoted arg\"");
	QTest::newRow("redirect") << "cmd > file" << (QStringList() << "cmd" << ">" << "file");
	QTest::newRow("redirect nospace") << "cmd>file" << (QStringList() << "cmd" << ">" << "file");
	QTest::newRow("redirect stderr") << "cmd 2> file" << (QStringList() << "cmd" << "2>" << "file");
	QTest::newRow("redirect quote") << "cmd \\C \"type file1.txt > file2.txt\"" << (QStringList() << "cmd" << "\\C" << "\"type file1.txt > file2.txt\"");
}

void SmallUsefulFunctionsTest::test_tokenizeCommandLine()
{
	QFETCH(QString, cmdLine);
	QFETCH(QStringList, args);

	QStringList result = tokenizeCommandLine(cmdLine);
	QEQUAL(result.join("|||"), args.join("|||"));
}

void SmallUsefulFunctionsTest::test_extractOutputRedirection_data()
{
	QTest::addColumn<QStringList>("commandArgs");
	QTest::addColumn<QStringList>("extracted");
	QTest::addColumn<QString>("stdOut");
	QTest::addColumn<QString>("stdErr");

	QTest::newRow("empty") << QStringList() << QStringList() << QString() << QString();
	QTest::newRow("cmd arg") << QString("cmd arg").split(' ') << QString("cmd arg").split(' ') << QString() << QString();
	QTest::newRow("stdout") << QString("cmd > file").split(' ') << (QStringList() << "cmd") << "file" << QString();
	QTest::newRow("stdout2") << QString("cmd >file").split(' ') << (QStringList() << "cmd") << "file" << QString();
	QTest::newRow("stderr") << QString("cmd 2> file").split(' ') << (QStringList() << "cmd") << QString() << "file";
	QTest::newRow("stderr2") << QString("cmd 2>file").split(' ') << (QStringList() << "cmd") << QString() << "file";
	QTest::newRow("stdout stderr") << QString("cmd > out 2> err").split(' ') << (QStringList() << "cmd") << "out" << "err";
}
void SmallUsefulFunctionsTest::test_extractOutputRedirection()
{
	QFETCH(QStringList, commandArgs);
	QFETCH(QStringList, extracted);
	QFETCH(QString, stdOut);
	QFETCH(QString, stdErr);

	QString resultStdOut;
	QString resultStdErr;
	QStringList result = extractOutputRedirection(commandArgs, resultStdOut, resultStdErr);
	QEQUAL(result.join("|||"), extracted.join("|||"));
	QEQUAL(resultStdOut, stdOut);
	QEQUAL(resultStdErr, stdErr);
}

void SmallUsefulFunctionsTest::test_enquoteDequoteString_data()
{
	QTest::addColumn<QString>("in");
	QTest::addColumn<QString>("out");

	QTest::newRow("empty") << "" << "\"\"";
	QTest::newRow("plain") << "plain" << "\"plain\"";
	QTest::newRow("insideQuote") << "inside \"quote" << "\"inside \\\"quote\"";
	QTest::newRow("startQuote") << "\"startQuote" << "\"\\\"startQuote\"";
	QTest::newRow("endQuote") << "endQuote\"" << "\"endQuote\\\"\"";
}

void SmallUsefulFunctionsTest::test_enquoteDequoteString()
{
	QFETCH(QString, in);
	QFETCH(QString, out);

	QString quoted = enquoteStr(in);
	QEQUAL2(quoted, out, "while enqouting");
	QString unquoted = dequoteStr(quoted);
	QEQUAL2(unquoted, in, "while dequoting");
}

void SmallUsefulFunctionsTest::test_joinUnicodeSurrogate_data()
{
	QTest::addColumn<QChar>("highSurrogate");
	QTest::addColumn<QChar>("lowSurrogate");
	QTest::addColumn<unsigned int>("val");

	QTest::newRow("CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B") << QChar(55360) << QChar(56390) << 0x20046U;
	QTest::newRow("min") << QChar(0xD800) << QChar(0xDC00) << 0x10000U;
	QTest::newRow("rumi number fifty") << QChar(0xD803) << QChar(0xDE6D) << 0x10E6DU;
	QTest::newRow("musical symbol g clef") << QChar(0xD834) << QChar(0xDD1E) << 0x1D11EU;
	QTest::newRow("max") << QChar(0xDBFF) << QChar(0xDFFF) << 0x10FFFFU;
}

void SmallUsefulFunctionsTest::test_joinUnicodeSurrogate()
{
	QFETCH(QChar, lowSurrogate);
	QFETCH(QChar, highSurrogate);
	QFETCH(unsigned int, val);
	QEQUAL(joinUnicodeSurrogate(highSurrogate, lowSurrogate), val);
}

void SmallUsefulFunctionsTest::test_replaceFileExtension_data()
{
	QTest::addColumn<bool>("appendIfNoExtension");
	QTest::addColumn<QString>("file");
	QTest::addColumn<QString>("ext");
	QTest::addColumn<QString>("result");

	QTest::newRow("noExtension") << false << "c:/test" << "log" << QString();
	QTest::newRow("noExtensionAdd") << true << "c:/test" << "log" << "c:/test.log";
	QTest::newRow("simple") << false << "c:/test.tex" << "log" << "c:/test.log";
	QTest::newRow("relative") << false << "../dir/test.tex" << "log" << "../dir/test.log";
	QTest::newRow("doubleExtSrc") << false << "test.synctex.gz" << "log" << "test.synctex.log";
	QTest::newRow("doubleExtTarget") << false << "test.tex" << "synctex.gz" << "test.synctex.gz";
	QTest::newRow("dotExt") << false << "test.tex" << ".log" << "test.log";
	QTest::newRow("dotExtAdd") << true << "c:/test" << ".log" << "c:/test.log";
	QTest::newRow("multiDot") << false << "c:/a.b.c.tex" << ".log" << "c:/a.b.c.log";
}

void SmallUsefulFunctionsTest::test_replaceFileExtension()
{
	QFETCH(bool, appendIfNoExtension);
	QFETCH(QString, file);
	QFETCH(QString, ext);
	QFETCH(QString, result);

	QEQUAL(replaceFileExtension(file, ext, appendIfNoExtension), result);
}

void SmallUsefulFunctionsTest::test_getParamItem_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<int>("pos");
	QTest::addColumn<bool>("stopAtWhiteSpace");
	QTest::addColumn<QString>("result");

	QTest::newRow("singleStart") << "\\section{Single}" << 9 << false << "Single";
	QTest::newRow("singleMid") << "\\section{Single}" << 11 << false << "Single";
	QTest::newRow("singleEnd") << "\\section{Single}" << 15 << false << "Single";

	QTest::newRow("singleSpaced") << "\\section{With Space}" << 9 << false << "With Space";
	QTest::newRow("singleSpaceStop") << "\\section{With Space}" << 9 << true << "With";
	QTest::newRow("singleSpaceStop2") << "\\section{With Space}" << 16 << true << "Space";

	QTest::newRow("optArg") << "\\caption[short]{long}" << 9 << false << "short";
    QTest::newRow("optArg1") << "\\caption[short]{long}" << 11 << false << "short";
    QTest::newRow("optArg2") << "\\caption[short]{long}" << 14 << false << "short";

	QTest::newRow("firstListParam") << "\\cmd{one, two, three}" << 5 << false << "one";
	QTest::newRow("secondListParam") << "\\cmd{one, two, three}" << 10 << false << " two";
	QTest::newRow("secondListParam2") << "\\cmd{one, two, three}" << 10 << true << "two";
	QTest::newRow("thirdListParam") << "\\cmd{one, two, three}" << 16 << true << "three";

	QTest::newRow("internalArg") << "\\cmd{an \\internal[opt]{cmd}}" << 6 << false << "an \\internal[opt]{cmd}";
	QTest::newRow("internalArg2") << "\\cmd{an \\internal[opt]{cmd}}" << 12 << true << "\\internal[opt]{cmd}";
	QTest::newRow("internalArg3") << "{\\cmd{an \\internal[opt]{cmd}} end}" << 33 << false << "\\cmd{an \\internal[opt]{cmd}} end";

	// Behavior for pos outside of a parameter is not part of the specification and subject to later change.
	// The following tests just document the current behavior.
	QTest::newRow("outside") << "\\section{Single}" << 8 << false << "\\section{Single}";
	QTest::newRow("outsideEnd") << "\\section{Single}" << 16 << false << "\\section{Single}";
	QTest::newRow("betweenArg") << "\\caption[short]{long}" << 15 << false << "\\caption[short]{long}";
	QTest::newRow("betweenColonAndSpaceArg") << "\\cmd{one, two}" << 9 << false << " two";
    QTest::newRow("betweenColonAndSpaceArg2") << "\\cmd{one, two}" << 9 << true << "";
}

void SmallUsefulFunctionsTest::test_getParamItem()
{
	QFETCH(QString, line);
	QFETCH(int, pos);
	QFETCH(bool, stopAtWhiteSpace);
	QFETCH(QString, result);

	QEQUAL(getParamItem(line, pos, stopAtWhiteSpace), result);
}

void SmallUsefulFunctionsTest::test_addMostRecent_data()
{
	QTest::addColumn<QString>("item");
	QTest::addColumn<QStringList>("list");
	QTest::addColumn<int>("maxLength");
	QTest::addColumn<QStringList>("result");

	QTest::newRow("addEmpty") << "item1" << QStringList() << 2 << (QStringList() << "item1");
	QTest::newRow("addMax") << "item2" << (QStringList() << "item1") << 2 << (QStringList() << "item2" << "item1");
	QTest::newRow("addBeyondMax") << "item3" << (QStringList() << "item1" << "item2") << 2 << (QStringList() << "item3" << "item1");
	QTest::newRow("addExisting1") << "item1" << (QStringList() << "item1" << "item2") << 2 << (QStringList() << "item1" << "item2");
	QTest::newRow("addExisting2") << "item2" << (QStringList() << "item1" << "item2") << 2 << (QStringList() << "item2" << "item1");
}

void SmallUsefulFunctionsTest::test_addMostRecent()
{
	QFETCH(QString, item);
	QFETCH(QStringList, list);
	QFETCH(int, maxLength);
	QFETCH(QStringList, result);

	addMostRecent(item, list, maxLength);
	QEQUAL(list.length(), result.length());
	for (int i = 0; i < list.length(); i++) {
		QEQUAL(list[i], result[i]);
	}
}

void SmallUsefulFunctionsTest::test_indicesOf_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<QString>("word");
	QTest::addColumn<bool>("caseSensitive");
	QTest::addColumn<QList<int> >("result");

	QTest::newRow("noMatch") << "A test, a test, a test" << "foo" << false << (QList<int>());
	QTest::newRow("multiCS") << "A test, a test, a test" << "a" << true << (QList<int>() << 8 << 16);
	QTest::newRow("multiCSI") << "A test, a test, a test" << "a" << false << (QList<int>() << 0 << 8 << 16);
	QTest::newRow("multiCS_end") << "A test, a test, a test" << "test" << true << (QList<int>() << 2 << 10 << 18);
}

void SmallUsefulFunctionsTest::test_indicesOf()
{
	QFETCH(QString, line);
	QFETCH(QString, word);
	QFETCH(bool, caseSensitive);
	QFETCH(QList<int>, result);

	QList<int> indices = indicesOf(line, word, caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive);
	QEQUAL(indices.length(), result.length());
	for (int i = 0; i < indices.length(); i++) {
		QEQUAL(indices[i], result[i]);
	}
}

void SmallUsefulFunctionsTest::test_indicesOf_RegExp_data()
{
	QTest::addColumn<QString>("line");
	QTest::addColumn<QString>("rxString");
	QTest::addColumn<QList<int> >("result");

	QTest::newRow("noMatch") << "A test, a test, a test" << "foo" << (QList<int>());
	QTest::newRow("multi1") << "A test, a test, a test" << "a\\s+t" << (QList<int>() << 8 << 16);
	QTest::newRow("multi2") << "A test, a test, a test" << "[aA]\\s+t" << (QList<int>() << 0 << 8 << 16);
	QTest::newRow("multi3") << "A test, a test, a test" << "test" << (QList<int>() << 2 << 10 << 18);
}

void SmallUsefulFunctionsTest::test_indicesOf_RegExp()
{
	QFETCH(QString, line);
	QFETCH(QString, rxString);
	QFETCH(QList<int>, result);

    QList<int> indices = indicesOf(line, QRegularExpression(rxString));
	QEQUAL(indices.length(), result.length());
	for (int i = 0; i < indices.length(); i++) {
		QEQUAL(indices[i], result[i]);
	}
}

void SmallUsefulFunctionsTest::test_indexMin_data()
{
	QTest::addColumn<int>("i");
	QTest::addColumn<int>("j");
	QTest::addColumn<int>("result");

	QTest::newRow("i<j") << 3 << 5 << 3;
	QTest::newRow("i=j") << 3 << 3 << 3;
	QTest::newRow("i>j") << 5 << 3 << 3;
	QTest::newRow("i<0") << -1 << 5 << 5;
	QTest::newRow("j<0") << 5 << -1 << 5;
	QTest::newRow("ij<0") << -1 << -1 << -1;
}

void SmallUsefulFunctionsTest::test_indexMin()
{
	QFETCH(int, i);
	QFETCH(int, j);
	QFETCH(int, result);
	QEQUAL(indexMin(i, j), result);
}

void SmallUsefulFunctionsTest::test_textToLatex_data()
{
    QTest::addColumn<QString>("text");
    QTest::addColumn<QString>("latex");

    QTest::newRow("no special") << "ab" << "ab";
    QTest::newRow("backslash") << "\\ab" << "\\textbackslash{}ab";
    QTest::newRow("backslash 2") << "\\" << "\\textbackslash{}";
    QTest::newRow("braces") << "{ab}" << "\\{ab\\}";
    QTest::newRow("special chars") << "#$%&~_^" << "\\#\\$\\%\\&\\~{}\\_\\^{}";
}

void SmallUsefulFunctionsTest::test_textToLatex()
{
    QFETCH(QString, text);
    QFETCH(QString, latex);
    QString result=textToLatex(text);
    QEQUAL(result, latex);
}
