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-rw-r--r--Tests/RunCMake/set/ParentPulling-stderr.txt3
-rw-r--r--Tests/RunCMake/set/ParentPulling.cmake13
-rw-r--r--Tests/RunCMake/set/ParentPullingRecursive-stderr.txt144
-rw-r--r--Tests/RunCMake/set/ParentPullingRecursive.cmake104
-rw-r--r--Tests/RunCMake/set/RunCMakeTest.cmake2
5 files changed, 266 insertions, 0 deletions
diff --git a/Tests/RunCMake/set/ParentPulling-stderr.txt b/Tests/RunCMake/set/ParentPulling-stderr.txt
new file mode 100644
index 0000000..768549b
--- /dev/null
+++ b/Tests/RunCMake/set/ParentPulling-stderr.txt
@@ -0,0 +1,3 @@
+^before PARENT_SCOPE blah=value2
+after PARENT_SCOPE blah=value2
+in parent scope, blah=value2$
diff --git a/Tests/RunCMake/set/ParentPulling.cmake b/Tests/RunCMake/set/ParentPulling.cmake
new file mode 100644
index 0000000..2614533
--- /dev/null
+++ b/Tests/RunCMake/set/ParentPulling.cmake
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.0)
+project(Minimal NONE)
+
+function(test_set)
+ set(blah "value2")
+ message("before PARENT_SCOPE blah=${blah}")
+ set(blah ${blah} PARENT_SCOPE)
+ message("after PARENT_SCOPE blah=${blah}")
+endfunction()
+
+set(blah value1)
+test_set()
+message("in parent scope, blah=${blah}")
diff --git a/Tests/RunCMake/set/ParentPullingRecursive-stderr.txt b/Tests/RunCMake/set/ParentPullingRecursive-stderr.txt
new file mode 100644
index 0000000..f3260ae
--- /dev/null
+++ b/Tests/RunCMake/set/ParentPullingRecursive-stderr.txt
@@ -0,0 +1,144 @@
+----------
+variable values at top before calls:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->top<--
+top_explicit_inner_unset: <undefined>
+top_explicit_inner_tounset: -->top<--
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: <undefined>
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: <undefined>
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: <undefined>
+----------
+----------
+variable values at outer start:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->top<--
+top_explicit_inner_unset: <undefined>
+top_explicit_inner_tounset: -->top<--
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: <undefined>
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: <undefined>
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: <undefined>
+----------
+----------
+variable values at outer before inner:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->top<--
+top_explicit_inner_unset: <undefined>
+top_explicit_inner_tounset: -->top<--
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: -->outer<--
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: -->outer<--
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: -->outer<--
+----------
+----------
+variable values at inner start:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->top<--
+top_explicit_inner_unset: <undefined>
+top_explicit_inner_tounset: -->top<--
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: -->outer<--
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: -->outer<--
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: -->outer<--
+----------
+----------
+variable values at inner end:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->top<--
+top_explicit_inner_unset: <undefined>
+top_explicit_inner_tounset: -->top<--
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: -->outer<--
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: -->outer<--
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: -->outer<--
+----------
+----------
+variable values at outer after inner:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->inner<--
+top_explicit_inner_unset: -->inner<--
+top_explicit_inner_tounset: <undefined>
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: -->outer<--
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: -->inner<--
+outer_explicit_inner_unset: -->inner<--
+outer_explicit_inner_tounset: <undefined>
+----------
+----------
+variable values at outer end:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->inner<--
+top_explicit_inner_unset: -->inner<--
+top_explicit_inner_tounset: <undefined>
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_set: -->top<--
+top_explicit_outer_unset: <undefined>
+top_explicit_outer_tounset: -->top<--
+outer_implicit_inner_set: -->outer<--
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: -->inner<--
+outer_explicit_inner_unset: -->inner<--
+outer_explicit_inner_tounset: <undefined>
+----------
+----------
+variable values at top after calls:
+top_implicit_inner_set: -->top<--
+top_implicit_inner_unset: <undefined>
+top_explicit_inner_set: -->outer<--
+top_explicit_inner_unset: -->outer<--
+top_explicit_inner_tounset: <undefined>
+top_implicit_outer_set: -->top<--
+top_explicit_outer_unset: -->outer<--
+top_explicit_outer_set: -->outer<--
+top_explicit_outer_unset: -->outer<--
+top_explicit_outer_tounset: <undefined>
+outer_implicit_inner_set: <undefined>
+outer_implicit_inner_unset: <undefined>
+outer_explicit_inner_set: <undefined>
+outer_explicit_inner_unset: <undefined>
+outer_explicit_inner_tounset: <undefined>
+----------
diff --git a/Tests/RunCMake/set/ParentPullingRecursive.cmake b/Tests/RunCMake/set/ParentPullingRecursive.cmake
new file mode 100644
index 0000000..a3e29f5
--- /dev/null
+++ b/Tests/RunCMake/set/ParentPullingRecursive.cmake
@@ -0,0 +1,104 @@
+cmake_minimum_required(VERSION 3.0)
+project(Minimal NONE)
+
+function(report where)
+ message("----------")
+ message("variable values at ${where}:")
+ foreach(var IN ITEMS
+ top_implicit_inner_set top_implicit_inner_unset
+ top_explicit_inner_set top_explicit_inner_unset top_explicit_inner_tounset
+ top_implicit_outer_set top_explicit_outer_unset
+ top_explicit_outer_set top_explicit_outer_unset top_explicit_outer_tounset
+
+ outer_implicit_inner_set outer_implicit_inner_unset
+ outer_explicit_inner_set outer_explicit_inner_unset outer_explicit_inner_tounset)
+ if(DEFINED ${var})
+ message("${var}: -->${${var}}<--")
+ else()
+ message("${var}: <undefined>")
+ endif()
+ endforeach()
+ message("----------")
+endfunction()
+
+macro(set_values upscope downscope value)
+ # Pull the value in implicitly.
+ set(dummy ${${upscope}_implicit_${downscope}_set})
+ set(dummy ${${upscope}_implicit_${downscope}_unset})
+ # Pull it down explicitly.
+ set(${upscope}_explicit_${downscope}_set "${value}" PARENT_SCOPE)
+ set(${upscope}_explicit_${downscope}_unset "${value}" PARENT_SCOPE)
+ set(${upscope}_explicit_${downscope}_tounset PARENT_SCOPE)
+endmacro()
+
+function(inner)
+ report("inner start")
+
+ set_values(top inner inner)
+ set_values(outer inner inner)
+
+ report("inner end")
+endfunction()
+
+function(outer)
+ report("outer start")
+
+ set_values(top outer outer)
+
+ # Set values for inner to manipulate.
+ set(outer_implicit_inner_set outer)
+ set(outer_implicit_inner_unset)
+ set(outer_explicit_inner_set outer)
+ set(outer_explicit_inner_unset)
+ set(outer_explicit_inner_tounset outer)
+
+ report("outer before inner")
+
+ inner()
+
+ report("outer after inner")
+
+ # Do what inner does so that we can test the values that inner should have
+ # pulled through to here.
+ set_values(top inner outer)
+
+ report("outer end")
+endfunction()
+
+# variable name is:
+#
+# <upscope>_<pulltype>_<downscope>_<settype>
+#
+# where the value is the name of the scope it was set in. The scopes available
+# are "top", "outer", and "inner". The pull type may either be "implicit" or
+# "explicit" based on whether the pull is due to a variable dereference or a
+# PARENT_SCOPE setting. The settype is "set" where both scopes set a value,
+# "unset" where upscope unsets it and downscope sets it, and "tounset" where
+# upscope sets it and downscope unsets it.
+#
+# We test the following combinations:
+#
+# - outer overriding top's values;
+# - inner overriding top's values;
+# - inner overriding outer's values; and
+# - outer overriding inner's values in top after inner has run.
+
+# Set values for inner to manipulate.
+set(top_implicit_inner_set top)
+set(top_implicit_inner_unset)
+set(top_explicit_inner_set top)
+set(top_explicit_inner_unset)
+set(top_explicit_inner_tounset top)
+
+# Set values for outer to manipulate.
+set(top_implicit_outer_set top)
+set(top_implicit_outer_unset)
+set(top_explicit_outer_set top)
+set(top_explicit_outer_unset)
+set(top_explicit_outer_tounset top)
+
+report("top before calls")
+
+outer()
+
+report("top after calls")
diff --git a/Tests/RunCMake/set/RunCMakeTest.cmake b/Tests/RunCMake/set/RunCMakeTest.cmake
index 1b51ea2..b8e8cf1 100644
--- a/Tests/RunCMake/set/RunCMakeTest.cmake
+++ b/Tests/RunCMake/set/RunCMakeTest.cmake
@@ -1,3 +1,5 @@
include(RunCMake)
run_cmake(ParentScope)
+run_cmake(ParentPulling)
+run_cmake(ParentPullingRecursive)