Tests: Cover CMAKE_POLICY_VERSION_MINIMUM as cache entry

Tests/RunCMake/cmake_minimum_required/PolicyVersionVar-stderr.txt

@@ -0,0 +1,4 @@
+^CMAKE_POLICY_VERSION_MINIMUM='3\.10'
+CMAKE_MINIMUM_REQUIRED_VERSION='3\.1'
+CMP0071='NEW'
+CMP0072=''$

Tests/RunCMake/cmake_minimum_required/PolicyVersionVar.cmake

@@ -1,4 +1,4 @@
-set(CMAKE_POLICY_VERSION_MINIMUM 3.10)
+message("CMAKE_POLICY_VERSION_MINIMUM='${CMAKE_POLICY_VERSION_MINIMUM}'")
 cmake_minimum_required(VERSION 3.1...3.4)
 message("CMAKE_MINIMUM_REQUIRED_VERSION='${CMAKE_MINIMUM_REQUIRED_VERSION}'")
 foreach(policy CMP0071 CMP0072)

Tests/RunCMake/cmake_minimum_required/PolicyVersionVarBad-stderr.txt

@@ -0,0 +1,9 @@
+^CMake Error at CMakeLists\.txt:1 \(cmake_minimum_required\):
+  Invalid CMAKE_POLICY_VERSION_MINIMUM value "\.\.\.3\.10"\.  A numeric
+  major\.minor\[\.patch\[\.tweak\]\] must be given\.
++
+CMake Error at PolicyVersionVarBad\.cmake:1 \(cmake_minimum_required\):
+  Invalid CMAKE_POLICY_VERSION_MINIMUM value "\.\.\.3\.10"\.  A numeric
+  major\.minor\[\.patch\[\.tweak\]\] must be given\.
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)$

Tests/RunCMake/cmake_minimum_required/PolicyVersionVarBad.cmake

@@ -1,2 +1 @@
-set(CMAKE_POLICY_VERSION_MINIMUM ...3.10)
 cmake_minimum_required(VERSION 3.1...3.4)

Tests/RunCMake/cmake_minimum_required/PolicyVersionVariable-stderr.txt

@@ -1,3 +0,0 @@
-^CMAKE_MINIMUM_REQUIRED_VERSION='3\.1'
-CMP0071='NEW'
-CMP0072=''$

Tests/RunCMake/cmake_minimum_required/PolicyVersionVariableBad-stderr.txt

@@ -1,5 +0,0 @@
-^CMake Error at PolicyVersionVariableBad\.cmake:2 \(cmake_minimum_required\):
-  Invalid CMAKE_POLICY_VERSION_MINIMUM value "\.\.\.3\.10"\.  A numeric
-  major\.minor\[\.patch\[\.tweak\]\] must be given\.
-Call Stack \(most recent call first\):
-  CMakeLists\.txt:[0-9]+ \(include\)$

Tests/RunCMake/cmake_minimum_required/RunCMakeTest.cmake

@@ -7,5 +7,5 @@ run_cmake(BeforeVersionDeprecated)
 run_cmake(Range)
 run_cmake(RangeBad)
 run_cmake(Unknown)
-run_cmake(PolicyVersionVariable)
+run_cmake_with_options(PolicyVersionVar -DCMAKE_POLICY_VERSION_MINIMUM=3.10)
-run_cmake(PolicyVersionVariableBad)
+run_cmake_with_options(PolicyVersionVarBad -DCMAKE_POLICY_VERSION_MINIMUM=...3.10)