http://code.google.com/p/asmjit/issues/detail?id=22

--- CMakeLists.txt
+++ CMakeLists.txt
@@ -78,6 +78,7 @@
 
 # Build AsmJit test executables?
 If(ASMJIT_BUILD_TEST)
+  Enable_Testing()
   Set(ASMJIT_TEST_FILES
     testcorecpu
     testcoresize
@@ -105,6 +106,7 @@
   ForEach(file ${ASMJIT_TEST_FILES})
     Add_Executable(${file} Test/${file}.cpp)
     Target_Link_Libraries(${file} AsmJit)
+    Add_Test(${file} ${EXECUTABLE_OUTPUT_PATH}/${file} ${file})
   EndForEach(file)
 EndIf(ASMJIT_BUILD_TEST)