Genex: Make CMP0021 and CMP0022 usable with TARGET_POLICY

Use preprocessor loops and add a unit test for the appropriate
policies. All policies whose value is recorded at target creation
time should be part of this list.

7 files changed, 36 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index e07c42f..7fd3dba 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -96,6 +96,7 @@ add_RunCMake_test(list)
 add_RunCMake_test(try_compile)
 add_RunCMake_test(variable_watch)
 add_RunCMake_test(CMP0004)
+add_RunCMake_test(TargetPolicies)
 
 find_package(Qt4 QUIET)
 find_package(Qt5Core QUIET)
diff --git a/Tests/RunCMake/TargetPolicies/CMakeLists.txt b/Tests/RunCMake/TargetPolicies/CMakeLists.txt
new file mode 100644
index 0000000..e8db6b0
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/TargetPolicies/PolicyList-result.txt b/Tests/RunCMake/TargetPolicies/PolicyList-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/PolicyList-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt b/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt
new file mode 100644
index 0000000..6533b75
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/PolicyList-stderr.txt
@@ -0,0 +1,13 @@
+  Error evaluating generator expression:
+
+    \$<TARGET_POLICY:NOT_A_POLICY>
+
+  \$<TARGET_POLICY:prop> may only be used with a limited number of policies.
+  Currently it may be used with the following policies:
+
+   \* CMP0003
+   \* CMP0004
+   \* CMP0008
+   \* CMP0020
+   \* CMP0021
+   \* CMP0022
diff --git a/Tests/RunCMake/TargetPolicies/PolicyList.cmake b/Tests/RunCMake/TargetPolicies/PolicyList.cmake
new file mode 100644
index 0000000..c290b65
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/PolicyList.cmake
@@ -0,0 +1,8 @@
+
+enable_language(CXX)
+
+add_library(empty empty.cpp)
+target_compile_definitions(empty
+  PRIVATE
+    $<$<TARGET_POLICY:NOT_A_POLICY>:SOME_DEFINE>
+)
diff --git a/Tests/RunCMake/TargetPolicies/RunCMakeTest.cmake b/Tests/RunCMake/TargetPolicies/RunCMakeTest.cmake
new file mode 100644
index 0000000..7a94630
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/RunCMakeTest.cmake
@@ -0,0 +1,3 @@
+include(RunCMake)
+
+run_cmake(PolicyList)
diff --git a/Tests/RunCMake/TargetPolicies/empty.cpp b/Tests/RunCMake/TargetPolicies/empty.cpp
new file mode 100644
index 0000000..7279c5e
--- /dev/null
+++ b/Tests/RunCMake/TargetPolicies/empty.cpp
@@ -0,0 +1,7 @@
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int empty(void)
+{
+  return 0;
+}