cmake: Add unit test for add_custom_target() and add_dependency()

Also test commands with args separated by ';'

test cases/cmake/8 custom command/subprojects/cmMod/CMakeLists.txt

@@ -44,3 +44,13 @@ add_custom_command(
 add_library(cmModLib SHARED cmMod.cpp genTest.cpp cpyBase.cpp cpyBase.hpp)
 include(GenerateExportHeader)
 generate_export_header(cmModLib)
+
+set(ARGS_TEST arg1)
+set(ARGS_TEST ${ARGS_TEST} arg2)
+
+add_executable(args_test args_test.cpp)
+add_custom_target(args_test_cmd
+  COMMAND args_test ARGS ${ARGS_TEST}
+)
+
+add_dependencies(cmModLib args_test_cmd)

test cases/cmake/8 custom command/subprojects/cmMod/args_test.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+int main(int argc, const char *argv[]) {
+  if(argc != 3 || string(argv[1]) != "arg1" || string(argv[2]) != "arg2") {
+    cerr << argv[0] << " requires 2 args" << endl;
+    return 1;
+  }
+
+  ofstream out1("cmModLib.hpp");
+  out1 << "#define FOO = \"plop\"";
+
+
+  return 0;
+}

test cases/cmake/8 custom command/subprojects/cmMod/cmMod.cpp

@@ -1,6 +1,11 @@
 #include "cmMod.hpp"
 #include "genTest.hpp"
 #include "cpyBase.hpp"
+#include "cmModLib.hpp"
+
+#ifndef FOO
+#error FOO not declared
+#endif
 
 using namespace std;