1 files changed, 65 insertions, 0 deletions
diff --git a/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt b/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt
new file mode 100644
index 000000000..0bb033929
--- /dev/null
+++ b/Tests/QtAutogen/RerunMocBasic/CMakeLists.txt
@@ -0,0 +1,65 @@
+cmake_minimum_required(VERSION 3.10)
+project(RerunMocBasic)
+include("../AutogenTest.cmake")
+
+# Dummy executable to generate a clean target
+add_executable(dummy dummy.cpp)
+
+set(timeformat "%Y%j%H%M%S")
+set(mocBasicSrcDir "${CMAKE_CURRENT_SOURCE_DIR}/MocBasic")
+set(mocBasicBinDir "${CMAKE_CURRENT_BINARY_DIR}/MocBasic")
+
+# Initial build
+configure_file("${mocBasicSrcDir}/test1a.h.in" "${mocBasicBinDir}/test1.h" COPYONLY)
+try_compile(MOC_RERUN
+  "${mocBasicBinDir}"
+  "${mocBasicSrcDir}"
+  MocBasic
+  CMAKE_FLAGS "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
+              "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
+  OUTPUT_VARIABLE output
+)
+if (NOT MOC_RERUN)
+  message(SEND_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}")
+# - Ensure that the timestamp will change
+# - Change header file content and rebuild
+# - Rebuild
+execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+configure_file("${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()
+
+
+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()