cmake_policy: Implement test cases for cmake_policy VERSION

Tests/RunCMake/CMakeLists.txt

@@ -288,6 +288,7 @@ add_RunCMake_test(ToolchainFile)
 add_RunCMake_test(find_dependency)
 add_RunCMake_test(CompileDefinitions)
 add_RunCMake_test(CompileFeatures)
+add_RunCMake_test(Policy)
 add_RunCMake_test(PolicyScope)
 add_RunCMake_test(WriteBasicConfigVersionFile)
 add_RunCMake_test(WriteCompilerDetectionHeader)

Tests/RunCMake/Policy/CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8.12)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake NO_POLICY_SCOPE)

Tests/RunCMake/Policy/InvalidMaxVersion-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/InvalidMaxVersion-stderr.txt

@@ -0,0 +1,5 @@
+CMake Error at InvalidMaxVersion.cmake:[0-9]+ \(cmake_policy\):
+  Invalid policy max version value "[A-Za-z0-9]+.[A-Za-z0-9]*.[A-Za-z0-9]*.[A-Za-z0-9]*"\.  A numeric
+  major.minor\[\.patch\[\.tweak\]\] must be given\.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/InvalidMaxVersion.cmake

@@ -0,0 +1,5 @@
+if(NOT version)
+  message(SEND_ERROR "Vesrion string is empty: ${version}")
+endif()
+
+cmake_policy(VERSION 3.1...${version})

Tests/RunCMake/Policy/InvalidRangeMaxVersionNotGiven-stderr.txt

@@ -0,0 +1,5 @@
+CMake Error at InvalidRangeMaxVersionNotGiven.cmake:[0-9]+ \(cmake_policy\):
+  cmake_policy VERSION "3.15..." does not have a version on both sides of
+  "...".
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/InvalidRangeMaxVersionNotGiven.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION 3.15...)

Tests/RunCMake/Policy/InvalidRangeMinVersionNotGiven-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/InvalidRangeMinVersionNotGiven-stderr.txt

@@ -0,0 +1,5 @@
+CMake Error at InvalidRangeMinVersionNotGiven.cmake:[0-9]+ \(cmake_policy\):
+  cmake_policy VERSION "...3.15" does not have a version on both sides of
+  "...".
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/InvalidRangeMinVersionNotGiven.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION ...3.15)

Tests/RunCMake/Policy/InvalidVersion-stderr.txt

@@ -0,0 +1,5 @@
+CMake Error at InvalidVersion.cmake:[0-9]+ \(cmake_policy\):
+  Invalid policy version value "[A-Za-z0-9]+.[A-Za-z0-9]*.[A-Za-z0-9]*.[A-Za-z0-9]*"\.  A numeric
+  major\.minor\[\.patch\[\.tweak\]\] must be given\.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/InvalidVersion.cmake

@@ -0,0 +1,5 @@
+if(NOT version)
+  message(SEND_ERROR "Vesrion string is empty: ${version}")
+endif()
+
+cmake_policy(VERSION ${version})

Tests/RunCMake/Policy/MinVersionLargerThanMax-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/MinVersionLargerThanMax-stderr.txt

@@ -0,0 +1,4 @@
+CMake Error at MinVersionLargerThanMax.cmake:[0-9]+ \(cmake_policy\):
+  Policy VERSION range "3.12...3.8" specifies a larger minimum than maximum.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/MinVersionLargerThanMax.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION 3.12...3.8)

Tests/RunCMake/Policy/RunCMakeTest.cmake

@@ -0,0 +1,19 @@
+include(RunCMake)
+
+run_cmake(VersionNotGiven)
+run_cmake(TooManyVersionsGiven)
+run_cmake(InvalidRangeMinVersionNotGiven)
+run_cmake(InvalidRangeMaxVersionNotGiven)
+
+set(RunCMake_TEST_OPTIONS "-Dversion=three")
+run_cmake(InvalidVersion)
+run_cmake(InvalidMaxVersion)
+unset(RunCMake_TEST_OPTIONS)
+set(RunCMake_TEST_OPTIONS "-Dversion=3.one")
+run_cmake(InvalidVersion)
+run_cmake(InvalidMaxVersion)
+unset(RunCMake_TEST_OPTIONS)
+
+run_cmake(VersionLowerThan2_4)
+run_cmake(MinVersionLargerThanMax)
+run_cmake(VeryHighVersion)

Tests/RunCMake/Policy/TooManyVersionsGiven-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/TooManyVersionsGiven-stderr.txt

@@ -0,0 +1,4 @@
+CMake Error at TooManyVersionsGiven.cmake:[0-9]+ \(cmake_policy\):
+  cmake_policy VERSION given too many arguments
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/TooManyVersionsGiven.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION 1 2 3)

Tests/RunCMake/Policy/VersionLowerThan2_4-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/VersionLowerThan2_4-stderr.txt

@@ -0,0 +1,6 @@
+CMake Error at VersionLowerThan2_4.cmake:[0-9]+ \(cmake_policy\):
+  Compatibility with CMake < 2.4 is not supported by CMake >= 3.0.  For
+  compatibility with older versions please use any CMake 2.8.x release or
+  lower.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/VersionLowerThan2_4.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION 2.2)

Tests/RunCMake/Policy/VersionNotGiven-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/VersionNotGiven-stderr.txt

@@ -0,0 +1,4 @@
+CMake Error at VersionNotGiven.cmake:[0-9]+ \(cmake_policy\):
+  cmake_policy VERSION not given an argument
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/VersionNotGiven.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION)

Tests/RunCMake/Policy/VeryHighVersion-result.txt

@@ -0,0 +1 @@
+1

Tests/RunCMake/Policy/VeryHighVersion-stderr.txt

@@ -0,0 +1,7 @@
+CMake Error at VeryHighVersion.cmake:[0-9]+ \(cmake_policy\):
+  An attempt was made to set the policy version of CMake to "99.1" which is
+  greater than this version of CMake.  This is not allowed because the
+  greater version may have new policies not known to this CMake.  You may
+  need a newer CMake version to build this project.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)

Tests/RunCMake/Policy/VeryHighVersion.cmake

@@ -0,0 +1 @@
+cmake_policy(VERSION 99.1)