add test for SonarOpenCommunity#2094

integration-tests/features/indexing.feature

@@ -21,3 +21,25 @@ Feature: Indexing files
     And the following metrics have following values:
       | metric                   | value |
       | files                    | None  |
+
+
+  Scenario: Verify macro propagation
+    Read cacsaced include files. This works only if macros are
+    correct propagated from one include level to the next.
+
+    Given the project "macro_propagation_project"
+    When I run sonar-scanner with "-X"
+    Then the analysis finishes successfully
+    And the analysis in server has completed
+    And the analysis log contains no error/warning messages except those matching:
+      """
+      .*WARN.*Unable to get a valid mac address, will use a dummy address
+      """
+    And the following metrics have following values:      
+      | metric                   | value |
+      | ncloc                    | 9     |
+      | lines                    | 31    |
+      | statements               | 7     |
+      | classes                  | 0     |
+      | files                    | 3     |
+      | functions                | 2     |

integration-tests/testdata/macro_propagation_project/sonar-project.properties

@@ -0,0 +1,14 @@
+# metadata
+sonar.projectKey=macro_propagation_project
+
+# disable SCM support
+sonar.scm.disabled=true
+
+# disable XML sensor
+sonar.xml.file.suffixes=.disable-xml
+
+# file extensions assigned to the cxx programming language
+sonar.cxx.file.suffixes=.cxx,.cpp,.cc,.c,.hxx,.hpp,.hh,.h
+
+# comma-separated paths to directories containing source files
+sonar.sources=src

integration-tests/testdata/macro_propagation_project/src/header.h

@@ -0,0 +1,13 @@
+// header.h
+
+#ifndef HEADER
+#define HEADER
+
+template<typename T>
+void f();
+
+#define HEADER_IMPL // The macro is set before including header.hpp
+#include "header.hpp"
+#undef HEADER_IMPL
+
+#endif

integration-tests/testdata/macro_propagation_project/src/header.hpp

@@ -0,0 +1,10 @@
+// header.hpp
+
+#ifdef HEADER_IMPL // This is an ifdef, not an ifndef!
+
+template<typename T>
+void f() {
+  // do something...
+}
+
+#endif

integration-tests/testdata/macro_propagation_project/src/main.cpp

@@ -0,0 +1,8 @@
+// main.cpp
+
+#include "header.h"
+
+int main(int argc, char *argv[]) {
+  f<int>();
+  return 0;
+}