add tst_blackBox::changeDependentLib

This changes a lib that's used by an application and checks if an
incremental build still works.

Change-Id: I24816aab1ec55e32c6e197f7d28e60c9d1f874ba
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

5 files changed, 133 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/change-dependent-lib/change-dependent-lib.qbs b/tests/auto/blackbox/testdata/change-dependent-lib/change-dependent-lib.qbs
new file mode 100644
index 000000000..ac5778134
--- /dev/null
+++ b/tests/auto/blackbox/testdata/change-dependent-lib/change-dependent-lib.qbs
@@ -0,0 +1,23 @@
+import qbs 1.0
+
+Project {
+    Application {
+        name : "HelloWorld"
+        Group {
+            files : [ "main.cpp" ]
+        }
+        Depends { name: "cpp" }
+        Depends { name: "mylib" }
+    }
+
+    DynamicLibrary {
+        name : "mylib"
+        version: "1.2.3"
+        Group {
+            files : [ "mylib.cpp" ]
+        }
+        Depends { name: "cpp" }
+        cpp.defines: ["XXXX"]
+    }
+}
+
diff --git a/tests/auto/blackbox/testdata/change-dependent-lib/main.cpp b/tests/auto/blackbox/testdata/change-dependent-lib/main.cpp
new file mode 100644
index 000000000..d5ade08e2
--- /dev/null
+++ b/tests/auto/blackbox/testdata/change-dependent-lib/main.cpp
@@ -0,0 +1,47 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Build Suite.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include <stdio.h>
+
+#if defined(_WIN32) || defined(WIN32)
+#   define EXPORT __declspec(dllexport)
+#   define IMPORT __declspec(dllimport)
+#else
+#   define EXPORT
+#   define IMPORT
+#endif
+
+IMPORT int mylib_hello();
+
+int main()
+{
+    puts("application says hello!");
+    return mylib_hello();
+}
+
diff --git a/tests/auto/blackbox/testdata/change-dependent-lib/mylib.cpp b/tests/auto/blackbox/testdata/change-dependent-lib/mylib.cpp
new file mode 100644
index 000000000..fc4a504d4
--- /dev/null
+++ b/tests/auto/blackbox/testdata/change-dependent-lib/mylib.cpp
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Build Suite.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include <stdio.h>
+
+#if defined(_WIN32) || defined(WIN32)
+#   define EXPORT __declspec(dllexport)
+#   define IMPORT __declspec(dllimport)
+#else
+#   define EXPORT
+#   define IMPORT
+#endif
+
+EXPORT int mylib_hello()
+{
+    puts("mylib says hello!");
+    return 0;
+}
diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index 08cf15a9b..b64dcd829 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -288,6 +288,24 @@ void TestBlackbox::build_project_dry_run()
     QVERIFY2(buildDirContents.isEmpty(), qPrintable(buildDirContents.join(" ")));
 }
 
+void TestBlackbox::changeDependentLib()
+{
+    QDir::setCurrent(testDataDir + "/change-dependent-lib");
+    QCOMPARE(runQbs(), 0);
+    waitForNewTimestamp();
+    const QString qbsFileName("change-dependent-lib.qbs");
+    QFile qbsFile(qbsFileName);
+    QVERIFY(qbsFile.open(QIODevice::ReadWrite));
+    const QByteArray content1 = qbsFile.readAll();
+    QByteArray content2 = content1;
+    content2.replace("cpp.defines: [\"XXXX\"]", "cpp.defines: [\"ABCD\"]");
+    QVERIFY(content1 != content2);
+    qbsFile.seek(0);
+    qbsFile.write(content2);
+    qbsFile.close();
+    QCOMPARE(runQbs(), 0);
+}
+
 void TestBlackbox::dependenciesProperty()
 {
     QDir::setCurrent(testDataDir + QLatin1String("/dependenciesProperty"));
diff --git a/tests/auto/blackbox/tst_blackbox.h b/tests/auto/blackbox/tst_blackbox.h
index 79b03e21d..0c516d497 100644
--- a/tests/auto/blackbox/tst_blackbox.h
+++ b/tests/auto/blackbox/tst_blackbox.h
@@ -101,6 +101,7 @@ private slots:
     void build_project();
     void build_project_dry_run_data();
     void build_project_dry_run();
+    void changeDependentLib();
     void dependenciesProperty();
     void disabledProduct();
     void disabledProject();