Mark parent artifacts explicitly as out of date

... after a transformer finishes. This makes our "out of date" check
independent of the local clock resolution for generated artifacts that
do not have source artifacts as children.

Change-Id: If3d47f1fd859c30846806fabaddf3b47a840a6d3
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

4 files changed, 36 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/out-of-date-marking/main.c b/tests/auto/blackbox/testdata/out-of-date-marking/main.c
new file mode 100644
index 000000000..7b4a384a7
--- /dev/null
+++ b/tests/auto/blackbox/testdata/out-of-date-marking/main.c
@@ -0,0 +1,3 @@
+#include <myheader.h>
+
+int main() { return 0; }
diff --git a/tests/auto/blackbox/testdata/out-of-date-marking/out-of-date-marking.qbs b/tests/auto/blackbox/testdata/out-of-date-marking/out-of-date-marking.qbs
new file mode 100644
index 000000000..1ef57bae7
--- /dev/null
+++ b/tests/auto/blackbox/testdata/out-of-date-marking/out-of-date-marking.qbs
@@ -0,0 +1,22 @@
+import qbs
+import qbs.TextFile
+
+CppApplication {
+    name: "app"
+    files: "main.c"
+    cpp.includePaths: buildDirectory
+    Rule {
+        multiplex: true
+        alwaysRun: true
+        Artifact { filePath: "myheader.h"; fileTags: "hpp" }
+        prepare: {
+            var cmd = new JavaScriptCommand();
+            cmd.description = "generating " + output.fileName;
+            cmd.sourceCode = function() {
+                var f = new TextFile(output.filePath, TextFile.WriteOnly);
+                f.close();
+            };
+            return cmd;
+        }
+    }
+}
diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index 93387e2f6..2cf0c5003 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -5066,6 +5066,16 @@ void TestBlackbox::nsisDependencies()
     QCOMPARE(m_qbsStdout.contains("compiling hello.nsi"), targetIsWindows);
 }
 
+void TestBlackbox::outOfDateMarking()
+{
+    QDir::setCurrent(testDataDir + "/out-of-date-marking");
+    for (int i = 0; i < 25; ++i) {
+        QCOMPARE(runQbs(), 0);
+        QVERIFY2(m_qbsStdout.contains("generating myheader.h"), qPrintable(QString::number(i)));
+        QVERIFY2(m_qbsStdout.contains("compiling main.c"), qPrintable(QString::number(i)));
+    }
+}
+
 void TestBlackbox::enableExceptions()
 {
     QFETCH(QString, file);
diff --git a/tests/auto/blackbox/tst_blackbox.h b/tests/auto/blackbox/tst_blackbox.h
index 2646704f9..f55158be5 100644
--- a/tests/auto/blackbox/tst_blackbox.h
+++ b/tests/auto/blackbox/tst_blackbox.h
@@ -178,6 +178,7 @@ private slots:
     void nonDefaultProduct();
     void nsis();
     void nsisDependencies();
+    void outOfDateMarking();
     void outputArtifactAutoTagging();
     void overrideProjectProperties();
     void pchChangeTracking();