From 010c5959864a10f4b83907fb058006e118dd740d Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 23 Nov 2015 10:51:37 -0500
Subject: [PATCH] Tests: Add case for add_subdirectory inside a function

---
 .../add_subdirectory/Function-stdout.txt        | 10 ++++++++++
 Tests/RunCMake/add_subdirectory/Function.cmake  | 17 +++++++++++++++++
 .../add_subdirectory/Function/CMakeLists.txt    |  5 +++++
 .../add_subdirectory/RunCMakeTest.cmake         |  1 +
 4 files changed, 33 insertions(+)
 create mode 100644 Tests/RunCMake/add_subdirectory/Function-stdout.txt
 create mode 100644 Tests/RunCMake/add_subdirectory/Function.cmake
 create mode 100644 Tests/RunCMake/add_subdirectory/Function/CMakeLists.txt

diff --git a/Tests/RunCMake/add_subdirectory/Function-stdout.txt b/Tests/RunCMake/add_subdirectory/Function-stdout.txt
new file mode 100644
index 000000000..16fa857f1
--- /dev/null
+++ b/Tests/RunCMake/add_subdirectory/Function-stdout.txt
@@ -0,0 +1,10 @@
+-- var='1' before my_add_subdirectory
+-- var='2' in my_add_subdirectory before add_subdirectory
+-- var='2' in subdirectory before set
+-- var='3' in subdirectory after set
+-- var_sub='' in subdirectory after set PARENT_SCOPE
+-- var='2' in my_add_subdirectory after add_subdirectory
+-- var_sub='sub' in my_add_subdirectory after add_subdirectory
+-- var='1' after my_add_subdirectory
+-- var_sub='' after my_add_subdirectory
+-- var='3' taken from subdirectory
diff --git a/Tests/RunCMake/add_subdirectory/Function.cmake b/Tests/RunCMake/add_subdirectory/Function.cmake
new file mode 100644
index 000000000..e804da968
--- /dev/null
+++ b/Tests/RunCMake/add_subdirectory/Function.cmake
@@ -0,0 +1,17 @@
+function(my_add_subdirectory dir)
+  set(var 2)
+  message(STATUS "var='${var}' in my_add_subdirectory before add_subdirectory")
+  add_subdirectory(${dir})
+  message(STATUS "var='${var}' in my_add_subdirectory after add_subdirectory")
+  message(STATUS "var_sub='${var_sub}' in my_add_subdirectory after add_subdirectory")
+endfunction()
+
+set(var 1)
+
+message(STATUS "var='${var}' before my_add_subdirectory")
+my_add_subdirectory(Function)
+message(STATUS "var='${var}' after my_add_subdirectory")
+message(STATUS "var_sub='${var_sub}' after my_add_subdirectory")
+
+get_directory_property(sub_var DIRECTORY Function DEFINITION var)
+message(STATUS "var='${sub_var}' taken from subdirectory")
diff --git a/Tests/RunCMake/add_subdirectory/Function/CMakeLists.txt b/Tests/RunCMake/add_subdirectory/Function/CMakeLists.txt
new file mode 100644
index 000000000..7b9e801ce
--- /dev/null
+++ b/Tests/RunCMake/add_subdirectory/Function/CMakeLists.txt
@@ -0,0 +1,5 @@
+message(STATUS "var='${var}' in subdirectory before set")
+set(var 3)
+message(STATUS "var='${var}' in subdirectory after set")
+set(var_sub sub PARENT_SCOPE)
+message(STATUS "var_sub='${var_sub}' in subdirectory after set PARENT_SCOPE")
diff --git a/Tests/RunCMake/add_subdirectory/RunCMakeTest.cmake b/Tests/RunCMake/add_subdirectory/RunCMakeTest.cmake
index a3ddec8ec..9d514e162 100644
--- a/Tests/RunCMake/add_subdirectory/RunCMakeTest.cmake
+++ b/Tests/RunCMake/add_subdirectory/RunCMakeTest.cmake
@@ -2,3 +2,4 @@ include(RunCMake)
 
 run_cmake(DoesNotExist)
 run_cmake(Missing)
+run_cmake(Function)