1 files changed, 74 insertions, 17 deletions
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/numeric.version.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/numeric.version.pass.cpp
index 61547621ee1..39bab221cf7 100644
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/numeric.version.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/numeric.version.pass.cpp
@@ -1,4 +1,3 @@
-
 //===----------------------------------------------------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
@@ -8,27 +7,85 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// <numeric> feature macros
+// WARNING: This test was generated by generate_feature_test_macros_tests.py and
+// should not be edited manually.
+
+// <numeric>
 
-/*  Constant                                    Value
-    __cpp_lib_gcd_lcm                           201606L
-    __cpp_lib_parallel_algorithm                201603L
+// Test the feature test macros defined by <numeric>
 
+/*  Constant                        Value
+    __cpp_lib_gcd_lcm               201606L [C++17]
+    __cpp_lib_parallel_algorithm    201603L [C++17]
 */
 
 #include <numeric>
-#include <cassert>
 #include "test_macros.h"
 
-int main()
-{
-//  ensure that the macros that are supposed to be defined in <numeric> are defined.
+#if TEST_STD_VER < 14
 
-/*
-#if !defined(__cpp_lib_fooby)
-# error "__cpp_lib_fooby is not defined"
-#elif __cpp_lib_fooby < 201606L
-# error "__cpp_lib_fooby has an invalid value"
-#endif
-*/
-}
+# ifdef __cpp_lib_gcd_lcm
+#   error "__cpp_lib_gcd_lcm should not be defined before c++17"
+# endif
+
+# ifdef __cpp_lib_parallel_algorithm
+#   error "__cpp_lib_parallel_algorithm should not be defined before c++17"
+# endif
+
+#elif TEST_STD_VER == 14
+
+# ifdef __cpp_lib_gcd_lcm
+#   error "__cpp_lib_gcd_lcm should not be defined before c++17"
+# endif
+
+# ifdef __cpp_lib_parallel_algorithm
+#   error "__cpp_lib_parallel_algorithm should not be defined before c++17"
+# endif
+
+#elif TEST_STD_VER == 17
+
+# ifndef __cpp_lib_gcd_lcm
+#   error "__cpp_lib_gcd_lcm should be defined in c++17"
+# endif
+# if __cpp_lib_gcd_lcm != 201606L
+#   error "__cpp_lib_gcd_lcm should have the value 201606L in c++17"
+# endif
+
+# if !defined(_LIBCPP_VERSION)
+#   ifndef __cpp_lib_parallel_algorithm
+#     error "__cpp_lib_parallel_algorithm should be defined in c++17"
+#   endif
+#   if __cpp_lib_parallel_algorithm != 201603L
+#     error "__cpp_lib_parallel_algorithm should have the value 201603L in c++17"
+#   endif
+# else // _LIBCPP_VERSION
+#   ifdef __cpp_lib_parallel_algorithm
+#     error "__cpp_lib_parallel_algorithm should not be defined because it is unimplemented in libc++!"
+#   endif
+# endif
+
+#elif TEST_STD_VER > 17
+
+# ifndef __cpp_lib_gcd_lcm
+#   error "__cpp_lib_gcd_lcm should be defined in c++2a"
+# endif
+# if __cpp_lib_gcd_lcm != 201606L
+#   error "__cpp_lib_gcd_lcm should have the value 201606L in c++2a"
+# endif
+
+# if !defined(_LIBCPP_VERSION)
+#   ifndef __cpp_lib_parallel_algorithm
+#     error "__cpp_lib_parallel_algorithm should be defined in c++2a"
+#   endif
+#   if __cpp_lib_parallel_algorithm != 201603L
+#     error "__cpp_lib_parallel_algorithm should have the value 201603L in c++2a"
+#   endif
+# else // _LIBCPP_VERSION
+#   ifdef __cpp_lib_parallel_algorithm
+#     error "__cpp_lib_parallel_algorithm should not be defined because it is unimplemented in libc++!"
+#   endif
+# endif
+
+#endif // TEST_STD_VER > 17
+
+int main() {}