From f4b7ba9c4260f905bb9d88c292565d957b79fe96 Mon Sep 17 00:00:00 2001
From: Ken Martin <ken.martin@kitware.com>
Date: Wed, 23 Jan 2008 10:29:21 -0500
Subject: [PATCH] ENH: add testing for return and break commands

---
 Tests/CMakeLists.txt                   |   1 +
 Tests/ReturnTest/CMakeLists.txt        | 140 +++++++++++++++++++++++++
 Tests/ReturnTest/returnTest.c          |   7 ++
 Tests/ReturnTest/subdir/CMakeLists.txt |   3 +
 4 files changed, 151 insertions(+)
 create mode 100644 Tests/ReturnTest/CMakeLists.txt
 create mode 100644 Tests/ReturnTest/returnTest.c
 create mode 100644 Tests/ReturnTest/subdir/CMakeLists.txt

diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 3c5d05171..d4281ffca 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -46,6 +46,7 @@ IF(BUILD_TESTING)
   ADD_TEST_MACRO(LinkLine LinkLine)
   ADD_TEST_MACRO(MacroTest miniMacroTest)
   ADD_TEST_MACRO(FunctionTest miniFunctionTest)
+  ADD_TEST_MACRO(ReturnTest ReturnTest)
   ADD_TEST_MACRO(Properties Properties)
   ADD_TEST_MACRO(Assembler HelloAsm)
   ADD_TEST_MACRO(SourceGroups SourceGroups)
diff --git a/Tests/ReturnTest/CMakeLists.txt b/Tests/ReturnTest/CMakeLists.txt
new file mode 100644
index 000000000..e48c88df7
--- /dev/null
+++ b/Tests/ReturnTest/CMakeLists.txt
@@ -0,0 +1,140 @@
+# a simple C only test case
+project (ReturnTest)
+
+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 ${ARGN}")
+endfunction (PASS)
+
+# test simple return
+function (simple)
+  set(simpleResult 1 PARENT_SCOPE)
+  return()
+  set(simpleResult 0 PARENT_SCOPE)
+endfunction (simple)
+simple()
+if ("${simpleResult}")
+  pass ("simple")
+else ("${simpleResult}")
+  failed ("simple got: ${simpleResult}")
+endif ("${simpleResult}")
+
+#test return in an if statement
+set (simple2IF 1)
+function (simple2)
+  set(simple2Result 1 PARENT_SCOPE)
+  if (simple2IF)
+    return()
+  endif (simple2IF)
+  set(simple2Result 0 PARENT_SCOPE)
+endfunction (simple2)
+simple2()
+if ("${simple2Result}")
+  pass ("simple2")
+else ("${simple2Result}")
+  failed ("simple2 got: ${simple2Result}")
+endif ("${simple2Result}")
+
+#test return in a foreach loop
+function (looptest)
+  foreach (iter RANGE 1 5)
+    set (looptestResult "${iter}" PARENT_SCOPE)
+    if ("${iter}" EQUAL 3)
+      return ()
+    endif ("${iter}" EQUAL 3)
+  endforeach (iter)
+endfunction (looptest)
+looptest()
+if ("${looptestResult}" EQUAL 3)
+  pass ("looptest")
+else ("${looptestResult}" EQUAL 3)
+  failed ("looptest got: ${looptestResult}")
+endif ("${looptestResult}" EQUAL 3)
+
+#test return in a while loop
+function (whiletest)
+  set (iter "a")
+  while(NOT "${iter}" STREQUAL "aaaaa")
+    set (whiletestResult "${iter}" PARENT_SCOPE)
+    if ("${iter}" STREQUAL "aaa")
+      return ()
+    endif ("${iter}" STREQUAL "aaa")
+    set (iter "${iter}a")
+  endwhile(NOT "${iter}" STREQUAL "aaaaa")
+endfunction (whiletest)
+whiletest()
+if ("${whiletestResult}" STREQUAL "aaa")
+  pass ("whiletest")
+else ("${whiletestResult}" STREQUAL "aaa")
+  failed ("whiletest got: ${whiletestResult}")
+endif ("${whiletestResult}" STREQUAL "aaa")
+
+# check subdir return
+add_subdirectory(subdir)
+get_directory_property(subdirResult DIRECTORY subdir DEFINITION subdirreturn)
+if ("${subdirResult}" EQUAL 1)
+  pass ("subdir")
+else ("${subdirResult}" EQUAL 1)
+  failed ("subdir got: ${subdirResult}")
+endif ("${subdirResult}" EQUAL 1)
+
+# check return from within a macro
+macro (mymacro)
+  set (foo 1)
+  if (foo)
+    return()
+  endif (foo)
+endmacro(mymacro)
+
+# test simple return
+function (simple3)
+  set (bar 0)
+  set(simple3Result 1 PARENT_SCOPE)
+  if (bar)
+  else (bar)
+    mymacro()
+  endif(bar)
+  set(simple3Result 0 PARENT_SCOPE)
+endfunction (simple3)
+simple3()
+if ("${simple3Result}")
+  pass ("macrotest")
+else ("${simple3Result}")
+  failed ("macrotest got: ${simple3Result}")
+endif ("${simple3Result}")
+
+
+# test break command now in a foreach
+foreach (iter RANGE 1 5)
+  set (break1 "${iter}")
+  if ("${iter}" EQUAL 3)
+    break ()
+  endif ("${iter}" EQUAL 3)
+endforeach (iter)
+if ("${break1}" EQUAL 3)
+  pass ("break in foreach")
+else ("${break1}" EQUAL 3)
+  failed ("break in foreach got: ${break1}")
+endif ("${break1}" EQUAL 3)
+
+# test break in a while loop
+set (iter "a")
+while(NOT "${iter}" STREQUAL "aaaaa")
+  if ("${iter}" STREQUAL "aaa")
+    break ()
+  endif ("${iter}" STREQUAL "aaa")
+  set (iter "${iter}a")
+endwhile(NOT "${iter}" STREQUAL "aaaaa")
+if ("${iter}" STREQUAL "aaa")
+  pass ("break in a while")
+else ("${iter}" STREQUAL "aaa")
+  failed ("break in a whi;e got: ${whiletestResult}")
+endif ("${iter}" STREQUAL "aaa")
+
+
+add_executable (ReturnTest returnTest.c)
diff --git a/Tests/ReturnTest/returnTest.c b/Tests/ReturnTest/returnTest.c
new file mode 100644
index 000000000..e0ced6afd
--- /dev/null
+++ b/Tests/ReturnTest/returnTest.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;
+}
diff --git a/Tests/ReturnTest/subdir/CMakeLists.txt b/Tests/ReturnTest/subdir/CMakeLists.txt
new file mode 100644
index 000000000..b9510924f
--- /dev/null
+++ b/Tests/ReturnTest/subdir/CMakeLists.txt
@@ -0,0 +1,3 @@
+set (subdirreturn 1)
+return()
+set (subdirreturn 0)