set: Add unit tests for set/unset PARENT_SCOPE

Create a RunCMake.set test to cover set() command cases, starting with
PARENT_SCOPE.

4 files changed, 40 insertions, 0 deletions

diff --git a/Tests/RunCMake/set/CMakeLists.txt b/Tests/RunCMake/set/CMakeLists.txt
new file mode 100644
index 0000000..4b3de84
--- /dev/null
+++ b/Tests/RunCMake/set/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8.12)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/set/PARENT_SCOPE-result.txt b/Tests/RunCMake/set/PARENT_SCOPE-result.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Tests/RunCMake/set/PARENT_SCOPE-result.txt
@@ -0,0 +1 @@
+0
diff --git a/Tests/RunCMake/set/PARENT_SCOPE.cmake b/Tests/RunCMake/set/PARENT_SCOPE.cmake
new file mode 100644
index 0000000..9bd6bca
--- /dev/null
+++ b/Tests/RunCMake/set/PARENT_SCOPE.cmake
@@ -0,0 +1,33 @@
+set(FOO )
+set(BAR "bar")
+set(BAZ "baz")
+set(BOO "boo")
+
+function(_parent_scope)
+    set(FOO "foo" PARENT_SCOPE)
+    set(BAR "" PARENT_SCOPE)
+    set(BAZ PARENT_SCOPE)
+    unset(BOO PARENT_SCOPE)
+endfunction()
+
+_parent_scope()
+
+if(NOT DEFINED FOO)
+  message(FATAL_ERROR "FOO not defined")
+elseif(NOT "${FOO}" STREQUAL "foo")
+  message(FATAL_ERROR "FOO should be \"foo\", not \"${FOO}\"")
+endif()
+
+if(NOT DEFINED BAR)
+  message(FATAL_ERROR "BAR not defined")
+elseif(NOT "${BAR}" STREQUAL "")
+  message(FATAL_ERROR "BAR should be an empty string, not \"${BAR}\"")
+endif()
+
+if(DEFINED BAZ)
+  message(FATAL_ERROR "BAZ defined")
+endif()
+
+if(DEFINED BOO)
+  message(FATAL_ERROR "BOO defined")
+endif()
diff --git a/Tests/RunCMake/set/RunCMakeTest.cmake b/Tests/RunCMake/set/RunCMakeTest.cmake
new file mode 100644
index 0000000..5d036e3
--- /dev/null
+++ b/Tests/RunCMake/set/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(PARENT_SCOPE)