CMake: Indicate a clear signature in add_test.

CMakeLists.txt

@@ -282,7 +282,7 @@ if(ZLIB_INSTALL_LIBRARIES)
 endif(ZLIB_INSTALL_LIBRARIES)
 
 #============================================================================
-# Example binaries
+# Tests
 #============================================================================
 if(ZLIB_BUILD_TESTING)
     enable_testing()
@@ -290,7 +290,8 @@ if(ZLIB_BUILD_TESTING)
     if(ZLIB_BUILD_SHARED)
         add_executable(zlib_example test/example.c)
         target_link_libraries(zlib_example ZLIB::ZLIB)
-        add_test(zlib_example zlib_example)
+        add_test(NAME zlib_example
+            COMMAND zlib_example)
 
         add_executable(minigzip test/minigzip.c)
         target_compile_definitions(zlib
@@ -305,7 +306,8 @@ if(ZLIB_BUILD_TESTING)
                     LARGEFILE64_SOURCE=1
                     $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>)
             target_link_libraries(zlib_example64 ZLIB::ZLIB)
-            add_test(zlib_example64 zlib_example64)
+            add_test(NAME zlib_example64
+                COMMAND zlib_example64)
         endif(HAVE_OFF64_T)
     endif(ZLIB_BUILD_SHARED)
 
@@ -315,7 +317,8 @@ if(ZLIB_BUILD_TESTING)
         target_compile_definitions(zlib_static_example
             PRIVATE
                 $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>)
-        add_test(zlib_static_example zlib_static_example)
+        add_test(NAME zlib_static_example
+            COMMAND zlib_static_example)
 
         add_executable(static_minigzip test/minigzip.c)
         target_link_libraries(static_minigzip ZLIB::ZLIBSTATIC)
@@ -327,7 +330,8 @@ if(ZLIB_BUILD_TESTING)
                     LARGEFILE64_SOURCE=1
                     $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>)
             target_link_libraries(zlib_static_example64 ZLIB::ZLIBSTATIC)
-            add_test(zlib_static_example64 zlib_static_example64)
+            add_test(NAME zlib_static_example64
+                COMMAND zlib_static_example64)
         endif(HAVE_OFF64_T)
     endif(ZLIB_BUILD_STATIC)