#include <QtTest>

#include <QCoreApplication>
#include <QDir>
#include <QFileInfo>

#include "ProcessCwd.h"

class ProcessCwdTest : public QObject {
  Q_OBJECT

 private slots:
  void selfCwdMatchesCurrentPath();
  void bogusPidEmpty();
  void zeroAndNegativePidEmpty();
};

void ProcessCwdTest::selfCwdMatchesCurrentPath()  // NOLINT(readability-convert-member-functions-to-static)
{
  const QString cwd = processCwd(QCoreApplication::applicationPid());
  QVERIFY(!cwd.isEmpty());
  // Canonicalization absorbs the macOS /tmp -> /private/tmp symlink.
  QCOMPARE(QFileInfo(cwd).canonicalFilePath(),
           QFileInfo(QDir::currentPath()).canonicalFilePath());
}

void ProcessCwdTest::bogusPidEmpty()  // NOLINT(readability-convert-member-functions-to-static)
{
  QCOMPARE(processCwd(999'999'999), QString());
}

void ProcessCwdTest::zeroAndNegativePidEmpty()  // NOLINT(readability-convert-member-functions-to-static)
{
  QCOMPARE(processCwd(0), QString());
  QCOMPARE(processCwd(-1), QString());
}

QTEST_MAIN(ProcessCwdTest)
#include "tst_processcwd.moc"