ENH: add functions and raise scope to cmake

2 files changed, 93 insertions, 0 deletions

diff --git a/Tests/FunctionTest/CMakeLists.txt b/Tests/FunctionTest/CMakeLists.txt
new file mode 100644
index 0000000000..76c2511fe4
--- /dev/null
+++ b/Tests/FunctionTest/CMakeLists.txt
@@ -0,0 +1,86 @@
+# a simple C only test case
+PROJECT (FunctionTest)
+
+SET(CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
+
+FUNCTION(FAILED testname)
+  MESSAGE(SEND_ERROR "${testname} failed ${ARGN}")
+ENDFUNCTION(FAILED)
+
+FUNCTION(PASS testname)
+  MESSAGE("${testname} passed ${ARGN}")
+ENDFUNCTION(PASS)
+
+
+# test scope
+SET(COUNT 3)
+FUNCTION(scope_test)
+  SET(COUNT 4)
+ENDFUNCTION(scope_test)
+scope_test()
+IF(COUNT EQUAL "3")
+  PASS("scope")
+ELSE(COUNT EQUAL "3")
+  FAILED("COUNT Got: ${COUNT}")
+ENDIF(COUNT EQUAL "3")
+
+# test ARGC
+FUNCTION(weird_name)
+  IF("${ARGC}" EQUAL "3")
+    PASS("ARGC")
+  ELSE("${ARGC}" EQUAL "3")
+    FAILED("ARGC" "Got: ${ARGC}")
+  ENDIF("${ARGC}" EQUAL "3")
+ENDFUNCTION(weird_name)
+WeIrD_nAmE(a1 a2 a3)
+
+# test ARGN
+FUNCTION(test_argn_function argument)
+  IF("${ARGN}" EQUAL "3")
+    PASS("ARGN")
+  ELSE("${ARGN}" EQUAL "3")
+    FAILED("ARGN" "Got: ${ARGN}")
+  ENDIF("${ARGN}" EQUAL "3")
+ENDFUNCTION(test_argn_function)
+Test_Argn_Function(ignored 3)
+
+# test recursion and return via raise_scope
+function (factorial argument result)
+  if (argument LESS 2)
+    set (${result} 1)
+  else (argument LESS 2)
+    math (EXPR temp "${argument} - 1")
+    factorial (${temp} tresult)
+    math (EXPR ${result} "${argument}*${tresult}")
+  endif (argument LESS 2)
+  raise_scope (${result})
+endfunction (factorial)
+
+factorial (5 fresult)
+if (fresult EQUAL 120)
+  pass("factorial")
+else (fresult EQUAL 120)
+  failed ("factorial, computed ${fresult} instead of 120")
+endif (fresult EQUAL 120)
+
+
+
+# case test
+FUNCTION(strange_function m)
+  SET(${m} strange_function)
+  RAISE_SCOPE(${m})
+ENDFUNCTION(strange_function m)
+STRANGE_FUNCTION(var)
+set(second_var "second_var")
+IF("${var}" STREQUAL "strange_function" AND "${second_var}" STREQUAL "second_var")
+  PASS("Case Test" "(${var} ${second_var})")
+ELSE("${var}" STREQUAL "strange_function" AND "${second_var}" STREQUAL "second_var")
+  FAILED("Case test" "(${var} ${second_var})")
+ENDIF("${var}" STREQUAL "strange_function" AND "${second_var}" STREQUAL "second_var")
+
+# test backing up command
+FUNCTION(ADD_EXECUTABLE exec)
+  _ADD_EXECUTABLE(mini${exec} ${ARGN})
+ENDFUNCTION(ADD_EXECUTABLE)
+
+ADD_EXECUTABLE(FunctionTest functionTest.c)
diff --git a/Tests/FunctionTest/functionTest.c b/Tests/FunctionTest/functionTest.c
new file mode 100644
index 0000000000..e0ced6afd1
--- /dev/null
+++ b/Tests/FunctionTest/functionTest.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char* argv[])
+{
+  printf("Running command: %s with %d arguments\n", argv[0], argc);
+  return 0;
+}