Tests: verify that memory checker output files are always present

All supported memory checkers now write their output to a file. Use a dummy
checker that ignores the given filename and ensure that the missing file is
reported as error.

Tests/CTestTestMemcheck/CMakeLists.txt

@@ -28,10 +28,15 @@ target_link_libraries(pseudo_BC CMakeLib)
 add_executable(memcheck_fail "${CMAKE_CURRENT_BINARY_DIR}/ret1.cxx")
 target_link_libraries(memcheck_fail CMakeLib)
 
+# Binaries that are used as memchecker that do not write the expected
+# output file. Need to be in their own subdirectory as they have the
+# same filenames.
+add_subdirectory(NoLogDummyChecker)
+
 set(NORMAL_CTEST_OUTPUT "\n1/1 MemCheck #1: RunCMake \\.+   Passed +[0-9]+.[0-9]+ sec\n\n100% tests passed, 0 tests failed out of 1\n.*\n-- Processing memory checking output: \nMemory checking results:\n")
 set(BULLSEYE_MSG "(BullseyeCoverage[^\n]*\n)?")
 
-function(gen_mc_test NAME CHECKER)
+function(gen_mc_test_internal NAME CHECKER)
     set(SUBTEST_NAME "${NAME}")
     set(CHECKER_COMMAND "${CHECKER}")
     foreach(_file IN ITEMS CMakeLists.txt CTestConfig.cmake test.cmake)
@@ -43,6 +48,12 @@ function(gen_mc_test NAME CHECKER)
         -C $<CONFIGURATION>
         -S "${CMAKE_CURRENT_BINARY_DIR}/${NAME}/test.cmake" -V
         --output-log "${CMAKE_CURRENT_BINARY_DIR}/${NAME}/testOutput.log"
+        ${ARGN}
+        )
+endfunction(gen_mc_test_internal)
+
+function(gen_mc_test NAME CHECKER)
+    gen_mc_test_internal(${NAME} "${CHECKER}"
         -D PSEUDO_BC=$<TARGET_FILE:pseudo_BC>
         -D PSEUDO_PURIFY=$<TARGET_FILE:pseudo_purify>
         -D PSEUDO_VALGRIND=$<TARGET_FILE:pseudo_valgrind>
@@ -50,6 +61,17 @@ function(gen_mc_test NAME CHECKER)
         )
 endfunction(gen_mc_test)
 
+function(gen_mcnl_test NAME CHECKER)
+    gen_mc_test_internal(${NAME} ${CHECKER}
+        -D PSEUDO_BC=$<TARGET_FILE:pseudonl_BC>
+        -D PSEUDO_PURIFY=$<TARGET_FILE:pseudonl_purify>
+        -D PSEUDO_VALGRIND=$<TARGET_FILE:pseudonl_valgrind>
+        )
+    set_tests_properties(CTestTestMemcheck${NAME}
+        PROPERTIES
+        PASS_REGULAR_EXPRESSION "\nCannot find memory tester output file: ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/Testing/Temporary/MemoryChecker.log\n(.*\n)?Error in read script: ${CMAKE_CURRENT_BINARY_DIR}/${NAME}/test.cmake\n")
+endfunction(gen_mcnl_test)
+
 unset(CTEST_EXTRA_CONFIG)
 unset(CTEST_EXTRA_CODE)
 unset(CMAKELISTS_EXTRA_CODE)
@@ -57,6 +79,9 @@ unset(CMAKELISTS_EXTRA_CODE)
 gen_mc_test(DummyPurify "\${PSEUDO_PURIFY}")
 gen_mc_test(DummyValgrind "\${PSEUDO_VALGRIND}")
 gen_mc_test(DummyBC "\${PSEUDO_BC}")
+gen_mcnl_test(DummyPurifyNoLogfile "\${PSEUDO_PURIFY}")
+gen_mcnl_test(DummyValgrindNoLogfile "\${PSEUDO_VALGRIND}")
+gen_mcnl_test(DummyBCNoLogfile "\${PSEUDO_BC}")
 
 set(CTEST_EXTRA_CODE "set(CTEST_CUSTOM_PRE_MEMCHECK \"\${CTEST_MEMORYCHECK_COMMAND}\")\nset(CTEST_CUSTOM_POST_MEMCHECK \"\${CTEST_MEMORYCHECK_COMMAND}\")")
 gen_mc_test(DummyValgrindPrePost "\${PSEUDO_VALGRIND}")

Tests/CTestTestMemcheck/NoLogDummyChecker/CMakeLists.txt

@@ -0,0 +1,17 @@
+# A dummy checker implementation that does not write the requested output file
+# so it triggers an error for every checker.
+
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/ret0.c" "int main(){return 0;}\n")
+
+foreach(_pseudo IN ITEMS valgrind purify BC)
+  add_executable(pseudonl_${_pseudo} "${CMAKE_CURRENT_BINARY_DIR}/ret0.c")
+  set_target_properties(pseudonl_${_pseudo} PROPERTIES OUTPUT_NAME ${_pseudo})
+endforeach()
+
+# Xcode 2.x forgets to create the output directory before linking
+# the individual architectures.
+if(CMAKE_OSX_ARCHITECTURES AND XCODE AND NOT "${XCODE_VERSION}" MATCHES "^[^12]")
+    add_custom_command(TARGET pseudonl_valgrind
+                       PRE_BUILD COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CFG_INTDIR}"
+    )
+endif()