On Linux/Mac, show home path as ~ in recent projects.

Reviewed-by: Daniel Molkentin

tests/auto/utils_stringutils/tst_stringutils.cpp

@@ -0,0 +1,76 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include <stringutils.h>
+
+#include <QtTest/QtTest>
+
+class tst_StringUtils : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testWithTildeHomePath();
+
+};
+
+void tst_StringUtils::testWithTildeHomePath()
+{
+#ifndef Q_OS_WIN
+    // home path itself
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath()), QLatin1String("~"));
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1Char('/')),
+             QLatin1String("~"));
+    QCOMPARE(Utils::withTildeHomePath(QLatin1String("/unclean/..") + QDir::homePath()),
+             QLatin1String("~"));
+    // sub of home path
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/foo")),
+             QLatin1String("~/foo"));
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/foo/")),
+             QLatin1String("~/foo"));
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/some/path/file.txt")),
+             QLatin1String("~/some/path/file.txt"));
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/some/unclean/../path/file.txt")),
+             QLatin1String("~/some/path/file.txt"));
+    // not sub of home path
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/../foo")),
+             QDir::homePath() + QLatin1String("/../foo"));
+#else
+    // windows: should return same as input
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath()), QDir::homePath());
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/foo")),
+             QDir::homePath() + QLatin1String("/foo"));
+    QCOMPARE(Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/../foo")),
+             Utils::withTildeHomePath(QDir::homePath() + QLatin1String("/../foo")));
+#endif
+}
+
+QTEST_MAIN(tst_StringUtils)
+
+#include "tst_stringutils.moc"