ENH: tests ADD_DEPENDENCIES and ADD_CUSTOM_COMMAND

2 files changed, 44 insertions, 0 deletions

diff --git a/Tests/Complex/Library/CMakeLists.txt b/Tests/Complex/Library/CMakeLists.txt
index bc890eb..73f5ab4 100644
--- a/Tests/Complex/Library/CMakeLists.txt
+++ b/Tests/Complex/Library/CMakeLists.txt
@@ -2,7 +2,23 @@ AUX_SOURCE_DIRECTORY(ExtraSources LibrarySources)
 
 SOURCE_FILES(LibrarySources file2)
 ADD_LIBRARY(CMakeTestLibrary LibrarySources)
+
 SOURCE_FILES(SharedLibrarySources sharedFile)
 ADD_LIBRARY(CMakeTestLibraryShared SHARED SharedLibrarySources)
 
+UTILITY_SOURCE(CREATE_FILE_EXE create_file "." create_file.cxx)
+ADD_EXECUTABLE(create_file create_file.cxx)
+
+ADD_DEPENDENCIES(CMakeTestLibraryShared create_file)
+
+# Attach a post-build custom-command to the lib.
+# It run ${CREATE_FILE_EXE} which will create the file
+# ${Complex_BINARY_DIR}/postbuild.txt.
+# The 'complex' executable will then test if this file exists,
+# and remove it.
+
+ADD_CUSTOM_COMMAND(SOURCE CMakeTestLibraryShared
+                   COMMAND ${CREATE_FILE_EXE}
+                   ARGS "${Complex_BINARY_DIR}/postbuild.txt"
+                   TARGET CMakeTestLibraryShared)
 
diff --git a/Tests/Complex/Library/create_file.cxx b/Tests/Complex/Library/create_file.cxx
new file mode 100644
index 0000000..68a9bb8
--- /dev/null
+++ b/Tests/Complex/Library/create_file.cxx
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main (int argc, char *argv[])
+{
+  if (argc < 2)
+    {
+    fprintf(stderr, "Missing name of file to create.\n");
+    return EXIT_FAILURE;
+    }
+  
+  FILE *stream = fopen(argv[1], "w");
+  if(stream == NULL)
+    {
+    fprintf(stderr, "Unable to open %s for writing!\n", argv[1]);
+    return EXIT_FAILURE;
+    }
+
+  if(fclose(stream))
+    {
+    fprintf(stderr, "Unable to close %s!\n", argv[1]);
+    return EXIT_FAILURE;
+    }
+
+  fprintf(stdout, "Creating %s!\n", argv[1]);
+  
+  return EXIT_SUCCESS;
+}