Merge topic 'autogen_refactor_rerun_tests'

a40864ae53 Autogen: Refactor RerunRccDepends test with fixed timestamp comparison
724359489e Autogen: Refactor RerunRccConfigChange test
6ed4ae4bad Autogen: Refactor RerunMocBasic test with fixed timestamp comparison
fedbd16f35 Autogen: Refactor RerunMocPlugin test with fixed timestamp comparison

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2959

4 files changed, 274 insertions, 183 deletions

diff --git a/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt b/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt
index f4b726f..9b32e59 100644
--- a/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt
+++ b/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt
@@ -5,10 +5,48 @@ include("../AutogenCoreTest.cmake")
 # Dummy executable to generate a clean target
 add_executable(dummy dummy.cpp)
 
-set(timeformat "%Y%j%H%M%S")
+# Utility variables
+set(timeformat "%Y.%j.%H.%M%S")
 set(mocBasicSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocBasic")
 set(mocBasicBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocBasic")
 
+# Utility macros
+macro(sleep)
+  message(STATUS "Sleeping for a few seconds.")
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+endmacro()
+
+macro(acquire_timestamp When)
+  file(TIMESTAMP "${mocBasicBin}" time${When} "${timeformat}")
+endmacro()
+
+macro(rebuild buildName)
+  message(STATUS "Starting build ${buildName}.")
+  execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result)
+  if (result)
+    message(FATAL_ERROR "Build ${buildName} failed.")
+  else()
+    message(STATUS "Build ${buildName} finished.")
+  endif()
+endmacro()
+
+macro(require_change)
+  if (timeAfter VERSION_GREATER timeBefore)
+    message(STATUS "As expected the file ${mocBasicBin} changed.")
+  else()
+    message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} did not change!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n")
+  endif()
+endmacro()
+
+macro(require_change_not)
+  if (timeAfter VERSION_GREATER timeBefore)
+    message(SEND_ERROR "Unexpectedly the file ${mocBasicBin} changed!\nTimestamp pre: ${timeBefore}\nTimestamp aft: ${timeAfter}\n")
+  else()
+    message(STATUS "As expected the file ${mocBasicBin} did not change.")
+  endif()
+endmacro()
+
+
 # Initial build
 configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
 try_compile(MOC_RERUN
@@ -21,46 +59,44 @@ try_compile(MOC_RERUN
   OUTPUT_VARIABLE output
 )
 if (NOT MOC_RERUN)
-  message(SEND_ERROR "Initial build of mocBasic failed. Output: ${output}")
+  message(FATAL_ERROR "Initial build of mocBasic failed. Output: ${output}")
 endif()
+
 # Get name of the output binary
 file(STRINGS "${mocBasicBinDir}/mocBasic.txt" mocBasicList ENCODING UTF-8)
 list(GET mocBasicList 0 mocBasicBin)
 
-message("Changing the header content for a MOC rerun")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${mocBasicBin}" timeBefore "${timeformat}")
+# To avoid a race condition where the binary has the same timestamp
+# as a source file and therefore gets rebuild
+# - sleep to ensure a timestamp change
+# - touch binary to ensure it has a new timestamp
+acquire_timestamp(Before)
+sleep()
+message(STATUS "Touching binary file to ensure a new timestamps")
+file(TOUCH_NOCREATE "${mocBasicBin}")
+acquire_timestamp(After)
+require_change()
+
+
 # - Ensure that the timestamp will change
-# - Change header file content and rebuild
+# - Change header file content
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamp(Before)
+sleep()
+message(STATUS "Changing the header content for a MOC re-run")
 configure_file("${mocBasicSrcDir}/test1b.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result )
-if (result)
-  message(SEND_ERROR "Second build of mocBasic failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${mocBasicBin}" timeAfter "${timeformat}")
-# - Test if timestamps changed
-if (NOT timeAfter GREATER timeBefore)
-  message(SEND_ERROR "File (${mocBasicBin}) should have changed!")
-endif()
+sleep()
+rebuild(2)
+acquire_timestamp(After)
+require_change()
 
 
-message("Changing nothing for a MOC rerun")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${mocBasicBin}" timeBefore "${timeformat}")
 # - Ensure that the timestamp would change
 # - Change nothing
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocBasicBinDir}" RESULT_VARIABLE result )
-if (result)
-  message(SEND_ERROR "Third build of mocBasic failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${mocBasicBin}" timeAfter "${timeformat}")
-# - Test if timestamps changed
-if (timeAfter GREATER timeBefore)
-  message(SEND_ERROR "File (${mocBasicBin}) should not have changed!")
-endif()
+acquire_timestamp(Before)
+sleep()
+message(STATUS "Changing nothing for no MOC re-run")
+rebuild(3)
+acquire_timestamp(After)
+require_change_not()
diff --git a/Tests/QtAutogen/RerunMocPlugin/CMakeLists.txt b/Tests/QtAutogen/RerunMocPlugin/CMakeLists.txt
index b83e994..6ab9538 100644
--- a/Tests/QtAutogen/RerunMocPlugin/CMakeLists.txt
+++ b/Tests/QtAutogen/RerunMocPlugin/CMakeLists.txt
@@ -9,10 +9,53 @@ include("../AutogenCoreTest.cmake")
 add_executable(dummy dummy.cpp)
 
 # Utility variables
-set(timeformat "%Y%j%H%M%S")
+set(timeformat "%Y.%j.%H.%M%S")
 set(mocPlugSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocPlugin")
 set(mocPlugBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocPlugin")
 
+# Utility macros
+macro(sleep)
+  message(STATUS "Sleeping for a few seconds.")
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+endmacro()
+
+macro(rebuild buildName)
+  message(STATUS "Starting build ${buildName}.")
+  execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocPlugBinDir}" RESULT_VARIABLE result)
+  if (result)
+    message(FATAL_ERROR "Build ${buildName} failed.")
+  else()
+    message(STATUS "Build ${buildName} finished.")
+  endif()
+endmacro()
+
+macro(require_change PLG)
+  if (pl${PLG}After VERSION_GREATER pl${PLG}Before)
+    message(STATUS "As expected the file ${pl${PLG}File} changed.")
+  else()
+    message(SEND_ERROR
+      "Unexpectedly the file ${pl${PLG}File} did not change!\nTimestamp pre: ${pl${PLG}Before}\nTimestamp aft: ${pl${PLG}After}\n")
+  endif()
+endmacro()
+
+macro(require_change_not PLG)
+  if (pl${PLG}After VERSION_GREATER pl${PLG}Before)
+    message(SEND_ERROR
+      "Unexpectedly the file ${pl${PLG}File} changed!\nTimestamp pre: ${pl${PLG}Before}\nTimestamp aft: ${pl${PLG}After}\n")
+  else()
+    message(STATUS "As expected the file ${pl${PLG}File} did not change.")
+  endif()
+endmacro()
+
+macro(acquire_timestamps When)
+  file(TIMESTAMP "${plAFile}" plA${When} "${timeformat}")
+  file(TIMESTAMP "${plBFile}" plB${When} "${timeformat}")
+  file(TIMESTAMP "${plCFile}" plC${When} "${timeformat}")
+  file(TIMESTAMP "${plDFile}" plD${When} "${timeformat}")
+  file(TIMESTAMP "${plEFile}" plE${When} "${timeformat}")
+endmacro()
+
+
 # Initial build
 try_compile(MOC_PLUGIN
   "${mocPlugBinDir}"
@@ -24,83 +67,75 @@ try_compile(MOC_PLUGIN
   OUTPUT_VARIABLE output
 )
 if (NOT MOC_PLUGIN)
-  message(SEND_ERROR "Initial build of mocPlugin failed. Output: ${output}")
+  message(FATAL_ERROR "Initial build of mocPlugin failed. Output: ${output}")
 endif()
 
+# Get names of the output binaries
 find_library(plAFile "PlugA" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH)
 find_library(plBFile "PlugB" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH)
 find_library(plCFile "PlugC" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH)
 find_library(plDFile "PlugD" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH)
 find_library(plEFile "PlugE" PATHS "${mocPlugBinDir}/Debug" "${mocPlugBinDir}" NO_DEFAULT_PATH)
 
+# To avoid a race condition where the library has the same timestamp
+# as a source file and therefore gets rebuild
+# - sleep to ensure a timestamp change
+# - touch library to ensure it has a new timestamp
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Touching library files to ensure new timestamps")
+file(TOUCH_NOCREATE "${plAFile}" "${plBFile}" "${plCFile}" "${plDFile}" "${plEFile}")
+acquire_timestamps(After)
+require_change(A)
+require_change(B)
+require_change(C)
+require_change(D)
+require_change(E)
+
+
 # - Ensure that the timestamp will change.
 # - Change the json files referenced by Q_PLUGIN_METADATA
 # - Rebuild
-file(TIMESTAMP "${plAFile}" plABefore "${timeformat}")
-file(TIMESTAMP "${plBFile}" plBBefore "${timeformat}")
-file(TIMESTAMP "${plCFile}" plCBefore "${timeformat}")
-file(TIMESTAMP "${plDFile}" plDBefore "${timeformat}")
-file(TIMESTAMP "${plEFile}" plEBefore "${timeformat}")
-
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing json files")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleD.json" "${mocPlugBinDir}/jsonFiles/StyleC.json")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleE.json" "${mocPlugBinDir}/jsonFiles/sub/StyleD.json")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleC.json" "${mocPlugBinDir}/jsonFiles/StyleE.json")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocPlugBinDir}")
-
-file(TIMESTAMP "${plAFile}" plAAfter "${timeformat}")
-file(TIMESTAMP "${plBFile}" plBAfter "${timeformat}")
-file(TIMESTAMP "${plCFile}" plCAfter "${timeformat}")
-file(TIMESTAMP "${plDFile}" plDAfter "${timeformat}")
-file(TIMESTAMP "${plEFile}" plEAfter "${timeformat}")
-
-if (plAAfter GREATER plABefore)
-  message(SEND_ERROR "file (${plAFile}) should not have changed!")
-endif()
-if (plBAfter GREATER plBBefore)
-  message(SEND_ERROR "file (${plBFile}) should not have changed!")
-endif()
-if (NOT plCAfter GREATER plCBefore)
-  message(SEND_ERROR "file (${plCFile}) should have changed!")
-endif()
-if (NOT plDAfter GREATER plDBefore)
-  message(SEND_ERROR "file (${plDFile}) should have changed!")
-endif()
-if (NOT plEAfter GREATER plEBefore)
-  # There's a bug in Ninja on Windows
-  # https://gitlab.kitware.com/cmake/cmake/issues/16776
-  if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja"))
-    message(SEND_ERROR "file (${plEFile}) should have changed!")
-  endif()
+sleep()
+rebuild(2)
+acquire_timestamps(After)
+# Test changes
+require_change_not(A)
+require_change_not(B)
+require_change(C)
+require_change(D)
+# There's a bug in Ninja on Windows:
+# https://gitlab.kitware.com/cmake/cmake/issues/16776
+if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja"))
+  require_change(E)
 endif()
 
+
 # - Ensure that the timestamp will change.
 # - Change the json files referenced by A_CUSTOM_MACRO
 # - Rebuild
-file(TIMESTAMP "${plCFile}" plCBefore "${timeformat}")
-file(TIMESTAMP "${plDFile}" plDBefore "${timeformat}")
-file(TIMESTAMP "${plEFile}" plEBefore "${timeformat}")
-
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing json files")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleE.json" "${mocPlugBinDir}/jsonFiles/StyleC_Custom.json")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleC.json" "${mocPlugBinDir}/jsonFiles/sub/StyleD_Custom.json")
 configure_file("${mocPlugSrcDir}/jsonIn/StyleD.json" "${mocPlugBinDir}/jsonFiles/StyleE_Custom.json")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${mocPlugBinDir}")
-
-file(TIMESTAMP "${plCFile}" plCAfter "${timeformat}")
-file(TIMESTAMP "${plDFile}" plDAfter "${timeformat}")
-file(TIMESTAMP "${plEFile}" plEAfter "${timeformat}")
-
-if (NOT plCAfter GREATER plCBefore)
-  message(SEND_ERROR "file (${plCFile}) should have changed!")
-endif()
-if (NOT plDAfter GREATER plDBefore)
-  message(SEND_ERROR "file (${plDFile}) should have changed!")
-endif()
-if (NOT plEAfter GREATER plEBefore)
-  # There's a bug in Ninja on Windows
-  # https://gitlab.kitware.com/cmake/cmake/issues/16776
-  if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja"))
-    message(SEND_ERROR "file (${plEFile}) should have changed!")
-  endif()
+sleep()
+rebuild(3)
+acquire_timestamps(After)
+# Test changes
+require_change_not(A)
+require_change_not(B)
+require_change(C)
+require_change(D)
+# There's a bug in Ninja on Windows
+# https://gitlab.kitware.com/cmake/cmake/issues/16776
+if(NOT ("${CMAKE_GENERATOR}" MATCHES "Ninja"))
+  require_change(E)
 endif()
diff --git a/Tests/QtAutogen/RerunRccConfigChange/CMakeLists.txt b/Tests/QtAutogen/RerunRccConfigChange/CMakeLists.txt
index dcb7a79..33c01ac 100644
--- a/Tests/QtAutogen/RerunRccConfigChange/CMakeLists.txt
+++ b/Tests/QtAutogen/RerunRccConfigChange/CMakeLists.txt
@@ -9,10 +9,23 @@ add_executable(dummy dummy.cpp)
 
 # When a .qrc or a file listed in a .qrc file changes,
 # the target must be rebuilt
-set(timeformat "%Y%j%H%M%S")
 set(rccDepSD "${CMAKE_CURRENT_SOURCE_DIR}/RccConfigChange")
 set(rccDepBD "${CMAKE_CURRENT_BINARY_DIR}/RccConfigChange")
 
+# Rebuild macro
+macro(rebuild CFG)
+  message(STATUS "Rebuilding rccConfigChange in ${CFG} configuration.")
+  execute_process(
+    COMMAND "${CMAKE_COMMAND}" --build . --config "${CFG}"
+    WORKING_DIRECTORY "${rccDepBD}"
+    RESULT_VARIABLE result)
+  if (result)
+    message(FATAL_ERROR "${CFG} build of rccConfigChange failed.")
+  else()
+    message(STATUS "${CFG} build of rccConfigChange finished.")
+  endif()
+endmacro()
+
 # Initial build
 try_compile(RCC_DEPENDS
   "${rccDepBD}"
@@ -24,19 +37,11 @@ try_compile(RCC_DEPENDS
   OUTPUT_VARIABLE output
 )
 if (NOT RCC_DEPENDS)
-  message(SEND_ERROR "Initial build of rccConfigChange failed. Output: ${output}")
+  message(FATAL_ERROR "Initial build of rccConfigChange failed. Output: ${output}")
 endif()
 
-# - Rebuild Release
-message("Rebuilding rccConfigChange in Release configuration")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . --config Release WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Release build of rccConfigChange failed.")
-endif()
+# Rebuild: Release
+rebuild(Release)
 
-# - Rebuild Debug
-message("Rebuilding rccConfigChange in Debug configuration")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . --config Debug WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Debug build of rccConfigChange failed.")
-endif()
+# Rebuild: Debug
+rebuild(Debug)
diff --git a/Tests/QtAutogen/RerunRccDepends/CMakeLists.txt b/Tests/QtAutogen/RerunRccDepends/CMakeLists.txt
index 80c5cf0..1301550 100644
--- a/Tests/QtAutogen/RerunRccDepends/CMakeLists.txt
+++ b/Tests/QtAutogen/RerunRccDepends/CMakeLists.txt
@@ -3,19 +3,63 @@ project(RerunRccDepends)
 include("../AutogenCoreTest.cmake")
 
 # Tests rcc rebuilding when a resource file changes
+# When a .qrc or a file listed in a .qrc file changes,
+# the target must be rebuilt
 
 # Dummy executable to generate a clean target
 add_executable(dummy dummy.cpp)
 
-# When a .qrc or a file listed in a .qrc file changes,
-# the target must be rebuilt
-set(timeformat "%Y%j%H%M%S")
+# Utility variables
+set(timeformat "%Y.%j.%H.%M%S")
 set(rccDepSD "${CMAKE_CURRENT_SOURCE_DIR}/RccDepends")
 set(rccDepBD "${CMAKE_CURRENT_BINARY_DIR}/RccDepends")
 
-# Initial build
+# Utility macros
+macro(sleep)
+  message(STATUS "Sleeping for a few seconds.")
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+endmacro()
+
+macro(acquire_timestamps When)
+  file(TIMESTAMP "${rccDepBinPlain}" rdPlain${When} "${timeformat}")
+  file(TIMESTAMP "${rccDepBinGenerated}" rdGenerated${When} "${timeformat}")
+endmacro()
+
+macro(rebuild buildName)
+  message(STATUS "Starting build ${buildName} of rccDepends.")
+  execute_process(
+    COMMAND "${CMAKE_COMMAND}" --build .
+    WORKING_DIRECTORY "${rccDepBD}"
+    RESULT_VARIABLE result)
+  if (result)
+    message(FATAL_ERROR "Build ${buildName} of rccDepends failed.")
+  else()
+    message(STATUS "Build ${buildName} of rccDepends finished.")
+  endif()
+endmacro()
+
+macro(require_change type)
+  if (rd${type}After VERSION_GREATER rd${type}Before)
+    message(STATUS "As expected the ${type} .qrc file ${rccDepBin${type}} changed.")
+  else()
+    message(SEND_ERROR "Unexpectedly the ${type} .qrc file ${rccDepBin${type}} did not change!\nTimestamp pre: ${rd${type}Before}\nTimestamp aft: ${rd${type}After}\n")
+  endif()
+endmacro()
+
+macro(require_change_not type)
+  if (rd${type}After VERSION_GREATER rd${type}Before)
+    message(SEND_ERROR "Unexpectedly the ${type} .qrc file ${rccDepBin${type}} changed!\nTimestamp pre: ${rd${type}Before}\nTimestamp aft: ${rd${type}After}\n")
+  else()
+    message(STATUS "As expected the ${type} .qrc file ${rccDepBin${type}} did not change.")
+  endif()
+endmacro()
+
+
+# Initial configuration
 configure_file(${rccDepSD}/resPlainA.qrc.in ${rccDepBD}/resPlain.qrc COPYONLY)
 configure_file(${rccDepSD}/resGenA.qrc.in ${rccDepBD}/resGen.qrc.in COPYONLY)
+
+# Initial build
 try_compile(RCC_DEPENDS
   "${rccDepBD}"
   "${rccDepSD}"
@@ -26,113 +70,84 @@ try_compile(RCC_DEPENDS
   OUTPUT_VARIABLE output
 )
 if (NOT RCC_DEPENDS)
-  message(SEND_ERROR "Initial build of rccDepends failed. Output: ${output}")
+  message(FATAL_ERROR "Initial build of rccDepends failed. Output: ${output}")
 endif()
 
 # Get name of the output binaries
 file(STRINGS "${rccDepBD}/targetPlain.txt" targetListPlain ENCODING UTF-8)
 file(STRINGS "${rccDepBD}/targetGen.txt" targetListGen ENCODING UTF-8)
 list(GET targetListPlain 0 rccDepBinPlain)
-list(GET targetListGen 0 rccDepBinGen)
-message("Target that uses a plain .qrc file is:\n  ${rccDepBinPlain}")
-message("Target that uses a GENERATED .qrc file is:\n  ${rccDepBinGen}")
+list(GET targetListGen 0 rccDepBinGenerated)
+message(STATUS "Target that uses a plain .qrc file is:\n  ${rccDepBinPlain}")
+message(STATUS "Target that uses a GENERATED .qrc file is:\n  ${rccDepBinGenerated}")
+
+# To avoid a race condition where the binary has the same timestamp
+# as a source file and therefore gets rebuild
+# - sleep to ensure a timestamp change
+# - touch binary to ensure it has a new timestamp
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Touching binary files to ensure new timestamps")
+file(TOUCH_NOCREATE "${rccDepBinPlain}" "${rccDepBinGenerated}")
+acquire_timestamps(After)
+require_change(Plain)
+require_change(Generated)
 
 
-message("Changing a resource files listed in the .qrc file")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
 # - Ensure that the timestamp will change
 # - Change a resource files listed in the .qrc file
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing a resource file listed in the .qrc file")
 file(TOUCH "${rccDepBD}/resPlain/input.txt" "${rccDepBD}/resGen/input.txt")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Second build of rccDepends failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
+sleep()
+rebuild(2)
+acquire_timestamps(After)
 # - Test if timestamps changed
-if (NOT rdPlainAfter GREATER rdPlainBefore)
-  message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
-endif()
-if (NOT rdGenAfter GREATER rdGenBefore)
-  message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
-endif()
+require_change(Plain)
+require_change(Generated)
 
 
-message("Changing the .qrc file")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
 # - Ensure that the timestamp will change
 # - Change the .qrc file
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing the .qrc file")
 configure_file(${rccDepSD}/resPlainB.qrc.in ${rccDepBD}/resPlain.qrc COPYONLY)
 configure_file(${rccDepSD}/resGenB.qrc.in ${rccDepBD}/resGen.qrc.in COPYONLY)
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Third build of rccDepends failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
+sleep()
+rebuild(3)
+acquire_timestamps(After)
 # - Test if timestamps changed
-if (NOT rdPlainAfter GREATER rdPlainBefore)
-  message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
-endif()
-if (NOT rdGenAfter GREATER rdGenBefore)
-  message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
-endif()
+require_change(Plain)
+require_change(Generated)
 
 
-message("Changing a newly added resource files listed in the .qrc file")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
 # - Ensure that the timestamp will change
 # - Change a newly added resource files listed in the .qrc file
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing a newly added resource file listed in the .qrc file")
 file(TOUCH "${rccDepBD}/resPlain/inputAdded.txt" "${rccDepBD}/resGen/inputAdded.txt")
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Fourth build of rccDepends failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
+sleep()
+rebuild(4)
+acquire_timestamps(After)
 # - Test if timestamps changed
-if (NOT rdPlainAfter GREATER rdPlainBefore)
-  message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should have changed!")
-endif()
-if (NOT rdGenAfter GREATER rdGenBefore)
-  message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should have changed!")
-endif()
+require_change(Plain)
+require_change(Generated)
 
 
-message("Changing nothing in the .qrc file")
-# - Acquire binary timestamps before the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainBefore "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenBefore "${timeformat}")
 # - Ensure that the timestamp will change
 # - Change nothing
 # - Rebuild
-execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
-execute_process(COMMAND "${CMAKE_COMMAND}" --build . WORKING_DIRECTORY "${rccDepBD}" RESULT_VARIABLE result)
-if (result)
-  message(SEND_ERROR "Fifth build of rccDepends failed.")
-endif()
-# - Acquire binary timestamps after the build
-file(TIMESTAMP "${rccDepBinPlain}" rdPlainAfter "${timeformat}")
-file(TIMESTAMP "${rccDepBinGen}" rdGenAfter "${timeformat}")
+acquire_timestamps(Before)
+sleep()
+message(STATUS "Changing nothing in the .qrc file")
+rebuild(5)
+acquire_timestamps(After)
 # - Test if timestamps changed
-if (rdPlainAfter GREATER rdPlainBefore)
-  message(SEND_ERROR "Plain .qrc binary ${rccDepBinPlain}) should NOT have changed!")
-endif()
-if (rdGenAfter GREATER rdGenBefore)
-  message(SEND_ERROR "GENERATED .qrc binary ${rccDepBinGen} should NOT have changed!")
-endif()
+require_change_not(Plain)
+require_change_not(Generated)