UseSWIG: Use standard library name conventions for csharp language

Fixes: #21542

8 files changed, 51 insertions, 0 deletions

diff --git a/Tests/RunCMake/UseSWIG/CMP0122-NEW-check.cmake b/Tests/RunCMake/UseSWIG/CMP0122-NEW-check.cmake
new file mode 100644
index 0000000..a26c278
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-NEW-check.cmake
@@ -0,0 +1,10 @@
+
+cmake_policy(VERSION 3.1)
+
+file(STRINGS "${RunCMake_TEST_BINARY_DIR}/CMP0122-library-name.txt" prefixes)
+
+list(GET prefixes 0 std_prefix)
+list(GET prefixes 1 lib_prefix)
+if (NOT std_prefix STREQUAL lib_prefix)
+  string (APPEND RunCMake_TEST_FAILED "\nFound prefix: '${lib_prefix}', expected: '${std_prefix}'.")
+endif()
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-NEW.cmake b/Tests/RunCMake/UseSWIG/CMP0122-NEW.cmake
new file mode 100644
index 0000000..fecb7db
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-NEW.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0122 NEW)
+include(CMP0122-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-OLD-check.cmake b/Tests/RunCMake/UseSWIG/CMP0122-OLD-check.cmake
new file mode 100644
index 0000000..01657d0
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-OLD-check.cmake
@@ -0,0 +1,10 @@
+
+cmake_policy(VERSION 3.1)
+
+file(STRINGS "${RunCMake_TEST_BINARY_DIR}/CMP0122-library-name.txt" prefixes)
+
+list(GET prefixes 1 lib_prefix)
+if (lib_prefix)
+  # prefix must be empty
+  string (APPEND RunCMake_TEST_FAILED "\nFound unexpected prefix: '${lib_prefix}'.")
+endif()
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-OLD.cmake b/Tests/RunCMake/UseSWIG/CMP0122-OLD.cmake
new file mode 100644
index 0000000..a787b68
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-OLD.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0122 OLD)
+include(CMP0122-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-WARN-stderr.txt b/Tests/RunCMake/UseSWIG/CMP0122-WARN-stderr.txt
new file mode 100644
index 0000000..37c4fbd
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-WARN-stderr.txt
@@ -0,0 +1,10 @@
+CMake Warning \(dev\) at .*/Modules/UseSWIG.cmake:[0-9]+ \(message\):
+  Policy CMP0122 is not set: UseSWIG use standard library name conventions
+  for csharp language\.  Run "cmake --help-policy CMP0122" for policy details\.
+  Use the cmake_policy command to set the policy and suppress this warning\.
+
+Call Stack \(most recent call first\):
+  CMP0122-common.cmake:9 \(swig_add_library\)
+  CMP0122-WARN.cmake:1 \(include\)
+  CMakeLists.txt:3 \(include\)
+This warning is for project developers\.  Use -Wno-dev to suppress it\.$
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-WARN.cmake b/Tests/RunCMake/UseSWIG/CMP0122-WARN.cmake
new file mode 100644
index 0000000..5d571aa
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-WARN.cmake
@@ -0,0 +1 @@
+include(CMP0122-common.cmake)
diff --git a/Tests/RunCMake/UseSWIG/CMP0122-common.cmake b/Tests/RunCMake/UseSWIG/CMP0122-common.cmake
new file mode 100644
index 0000000..be880ec
--- /dev/null
+++ b/Tests/RunCMake/UseSWIG/CMP0122-common.cmake
@@ -0,0 +1,12 @@
+
+cmake_policy(SET CMP0078 NEW)
+cmake_policy(SET CMP0086 NEW)
+
+set(SWIG_EXECUTABLE "swig")
+set(SWIG_DIR "/swig")
+include(UseSWIG)
+
+swig_add_library(example LANGUAGE csharp TYPE SHARED SOURCES example.i)
+
+file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/CMP0122-library-name.txt"
+     CONTENT "${CMAKE_SHARED_LIBRARY_PREFIX}\n$<TARGET_FILE_PREFIX:example>\n")
diff --git a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake b/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
index 6acf719..c7a118f 100644
--- a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
+++ b/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
@@ -23,3 +23,7 @@ if (CMake_TEST_FindPython)
   run_cmake_target(CMP0086-NEW build example)
 
 endif()
+
+run_cmake(CMP0122-WARN)
+run_cmake(CMP0122-OLD)
+run_cmake(CMP0122-NEW)