invalidate artifacts if a dependency is removed

Artifacts must be invalidated if a dependency is removed.
Consider a foo.cpp that includes bar.h. If bar.h is removed from the
project, then we must recompile foo.cpp to trigger the compile error
that stems from the wrong include.

Change-Id: Ifc2bc3085be553f87685a17c5ff05273daa6579c
Task-number: QBS-631
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

8 files changed, 50 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/renameDependency/after/lib2.cpp b/tests/auto/blackbox/testdata/renameDependency/after/lib2.cpp
new file mode 100644
index 000000000..cf45da25a
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/after/lib2.cpp
@@ -0,0 +1,7 @@
+#include "lib2.h"
+#include <iostream>
+
+void print_two_numbers(int a, int b, int c)
+{
+    std::cout << "a=" << a << ", b=" << b << ", c=" << c << std::endl;
+}
diff --git a/tests/auto/blackbox/testdata/renameDependency/after/lib2.h b/tests/auto/blackbox/testdata/renameDependency/after/lib2.h
new file mode 100644
index 000000000..30e6c55fb
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/after/lib2.h
@@ -0,0 +1 @@
+void print_two_numbers(int a, int b, int c);
diff --git a/tests/auto/blackbox/testdata/renameDependency/before/lib.cpp b/tests/auto/blackbox/testdata/renameDependency/before/lib.cpp
new file mode 100644
index 000000000..9ad8f3857
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/before/lib.cpp
@@ -0,0 +1,7 @@
+#include "lib.h"
+#include <iostream>
+
+void print_two_numbers(int a, int b/*, int c*/)
+{
+    std::cout << "a=" << a << ", b=" << b /*<< ", c=" << c */ << std::endl;
+}
diff --git a/tests/auto/blackbox/testdata/renameDependency/before/lib.h b/tests/auto/blackbox/testdata/renameDependency/before/lib.h
new file mode 100644
index 000000000..b98a95484
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/before/lib.h
@@ -0,0 +1 @@
+void print_two_numbers(int a, int b/*, int c*/);
diff --git a/tests/auto/blackbox/testdata/renameDependency/before/main.cpp b/tests/auto/blackbox/testdata/renameDependency/before/main.cpp
new file mode 100644
index 000000000..d78950ee9
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/before/main.cpp
@@ -0,0 +1,8 @@
+#include <iostream>
+#include "lib.h"
+
+int main()
+{
+    print_two_numbers(2, 3);
+    return 0;
+}
diff --git a/tests/auto/blackbox/testdata/renameDependency/before/renameDependency.qbs b/tests/auto/blackbox/testdata/renameDependency/before/renameDependency.qbs
new file mode 100644
index 000000000..e6f3cf66b
--- /dev/null
+++ b/tests/auto/blackbox/testdata/renameDependency/before/renameDependency.qbs
@@ -0,0 +1,5 @@
+import qbs
+
+CppApplication {
+    files: ["*.cpp", "*.h"]
+}
diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index f998f8b95..30cf99cd1 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -662,6 +662,26 @@ void TestBlackbox::rc()
     QCOMPARE(rcFileWasCompiled, HostOsInfo::isWindowsHost());
 }
 
+void TestBlackbox::renameDependency()
+{
+    QDir::setCurrent(testDataDir + "/renameDependency");
+    if (QFile::exists("work"))
+        rmDirR("work");
+    QDir().mkdir("work");
+    ccp("before", "work");
+    QDir::setCurrent(testDataDir + "/renameDependency/work");
+    QCOMPARE(runQbs(), 0);
+
+    waitForNewTimestamp();
+    QFile::remove("lib.h");
+    QFile::remove("lib.cpp");
+    ccp("../after", ".");
+    QbsRunParameters params;
+    params.expectFailure = true;
+    QVERIFY(runQbs(params) != 0);
+    QVERIFY(m_qbsStdout.contains("compiling main.cpp"));
+}
+
 void TestBlackbox::renameProduct()
 {
     QDir::setCurrent(testDataDir + "/renameProduct");
diff --git a/tests/auto/blackbox/tst_blackbox.h b/tests/auto/blackbox/tst_blackbox.h
index aa8310a28..c975a9815 100644
--- a/tests/auto/blackbox/tst_blackbox.h
+++ b/tests/auto/blackbox/tst_blackbox.h
@@ -147,6 +147,7 @@ private slots:
     void exportWithRecursiveDepends();
     void fileTagger();
     void rc();
+    void renameDependency();
     void renameProduct();
     void renameTargetArtifact();
     void softDependency();