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-rw-r--r--Tests/RunCMake/project/VersionMax.cmake32
1 files changed, 32 insertions, 0 deletions
diff --git a/Tests/RunCMake/project/VersionMax.cmake b/Tests/RunCMake/project/VersionMax.cmake
new file mode 100644
index 000000000..e95536438
--- /dev/null
+++ b/Tests/RunCMake/project/VersionMax.cmake
@@ -0,0 +1,32 @@
+cmake_policy(SET CMP0048 NEW)
+cmake_policy(SET CMP0096 OLD)
+
+enable_language(C)
+include(CheckTypeSize)
+check_type_size(unsigned __sizeOfUnsigned BUILTIN_TYPES_ONLY LANGUAGE C)
+
+# We can't use math() to compute this because it only supports up to
+# 64-bit signed integers, so hard-code the types we expect to encounter
+if(__sizeOfUnsigned EQUAL 0)
+ message(STATUS "Multi-architecture build, skipping project version check")
+ return()
+elseif(__sizeOfUnsigned EQUAL 4)
+ set(maxVal 4294967295)
+elseif(__sizeOfUnsigned EQUAL 8)
+ set(maxVal 18446744073709551615)
+else()
+ message(FATAL_ERROR
+ "Test needs to be updated for unsigned integer size ${__sizeOfUnsigned}")
+endif()
+
+# The real value of this test is when an address sanitizer is enabled.
+# It catches situations where the size of the buffer used to compute or
+# hold the version components as strings is too small.
+project(ProjectA VERSION ${maxVal}.${maxVal}.${maxVal}.${maxVal} LANGUAGES NONE)
+
+if(NOT ${PROJECT_VERSION_MAJOR} EQUAL ${maxVal})
+ message(FATAL_ERROR "Project version number parsing failed round trip.\n"
+ "Expected: ${maxVal}\n"
+ "Computed: ${PROJECT_VERSION_MAJOR}"
+ )
+endif()