Show proper error message for conflicting artifacts.

This is not an internal error, but can be triggered by users.
Also fix the check to take all products into account and run it in
release mode too.

Change-Id: Ie7b1826cfa87254a114c3091a654886ea8d19b0f
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

2 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/blackbox/testdata/conflicting-artifacts/conflicting-artifacts.qbs b/tests/auto/blackbox/testdata/conflicting-artifacts/conflicting-artifacts.qbs
new file mode 100644
index 000000000..f2c5cb2bc
--- /dev/null
+++ b/tests/auto/blackbox/testdata/conflicting-artifacts/conflicting-artifacts.qbs
@@ -0,0 +1,16 @@
+import qbs
+
+Project {
+    CppApplication {
+        name: "a"
+        targetName: "theName"
+        destinationDirectory: project.buildDirectory
+        files: ["main.cpp"]
+    }
+    CppApplication {
+        name: "b"
+        targetName: "theName"
+        destinationDirectory: project.buildDirectory
+        files: ["main.cpp"]
+    }
+}
diff --git a/tests/auto/blackbox/testdata/conflicting-artifacts/main.cpp b/tests/auto/blackbox/testdata/conflicting-artifacts/main.cpp
new file mode 100644
index 000000000..237c8ce18
--- /dev/null
+++ b/tests/auto/blackbox/testdata/conflicting-artifacts/main.cpp
@@ -0,0 +1 @@
+int main() {}