Merge topic 'revise-CTestTestTimeout'

9afcecaf Tests: Try to make CTestTestTimeout more robust

Tests/CMakeLists.txt

@@ -2394,7 +2394,7 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     --output-log "${CMake_BINARY_DIR}/Tests/CTestTestTimeout/testOutput.log"
     )
   set_tests_properties(CTestTestTimeout PROPERTIES
-    PASS_REGULAR_EXPRESSION "TestTimeout *\\.+ *\\*\\*\\*Timeout.*CheckChild *\\.+ *Passed")
+    PASS_REGULAR_EXPRESSION "TestTimeout *\\.+ *\\*\\*\\*Timeout.*TestSleep *\\.+ *Passed.*timeout correctly killed child")
 
   add_test(
     NAME CTestTestRerunFailed

Tests/CTestTestTimeout/CMakeLists.txt

@@ -11,18 +11,14 @@ if(NOT TIMEOUT)
 endif()
 
 add_definitions(-DTIMEOUT=${TIMEOUT})
-add_executable (Timeout timeout.c)
+add_executable (Sleep sleep.c)
 
 add_test(NAME TestTimeout
-  COMMAND ${CMAKE_COMMAND} -D Timeout=$<TARGET_FILE:Timeout>
+  COMMAND ${CMAKE_COMMAND} -D Sleep=$<TARGET_FILE:Sleep>
                            -D Log=${CMAKE_CURRENT_BINARY_DIR}/timeout.log
                            -P ${CMAKE_CURRENT_SOURCE_DIR}/timeout.cmake
   )
 set_tests_properties(TestTimeout PROPERTIES TIMEOUT ${TIMEOUT})
 
-add_test(NAME CheckChild
-  COMMAND ${CMAKE_COMMAND} -D Timeout=$<TARGET_FILE:Timeout>
-                           -D Log=${CMAKE_CURRENT_BINARY_DIR}/timeout.log
-                           -P ${CMAKE_CURRENT_SOURCE_DIR}/check.cmake
-  )
-set_tests_properties(CheckChild PROPERTIES DEPENDS TestTimeout)
+add_test(NAME TestSleep COMMAND Sleep)
+set_tests_properties(TestSleep PROPERTIES DEPENDS TestTimeout)

Tests/CTestTestTimeout/check.cmake

@@ -1,9 +0,0 @@
-# Block just as long as timeout.cmake would if it were not killed.
-execute_process(COMMAND ${Timeout})
-
-# Verify that the log is empty, which indicates that the grandchild
-# was killed before it finished sleeping.
-file(READ "${Log}" LOG)
-if(NOT "${LOG}" STREQUAL "")
-  message(FATAL_ERROR "${LOG}")
-endif()

Tests/CTestTestTimeout/sleep.c

@@ -0,0 +1,21 @@
+#if defined(_WIN32)
+# include <windows.h>
+#else
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+
+int main(void)
+{
+  fprintf(stderr, "before sleep\n");
+  fflush(stderr); /* should not be needed, but just in case */
+#if defined(_WIN32)
+  Sleep((TIMEOUT+4)*1000);
+#else
+  sleep((TIMEOUT+4));
+#endif
+  fprintf(stderr, "after sleep\n");
+  fflush(stderr); /* should not be needed, but just in case */
+  return 0;
+}

Tests/CTestTestTimeout/test.cmake.in

@@ -24,3 +24,16 @@ CTEST_START(Experimental)
 CTEST_CONFIGURE(BUILD "${CTEST_BINARY_DIRECTORY}" RETURN_VALUE res)
 CTEST_BUILD(BUILD "${CTEST_BINARY_DIRECTORY}" RETURN_VALUE res)
 CTEST_TEST(BUILD "${CTEST_BINARY_DIRECTORY}" RETURN_VALUE res)
+
+set(log ${CTEST_BINARY_DIRECTORY}/timeout.log)
+if(EXISTS "${log}")
+  # Verify that the timeout test did not finish sleeping.
+  file(STRINGS "${log}" after_sleep REGEX "after sleep")
+  if(after_sleep)
+    message(FATAL_ERROR "Log indicates timeout did not kill child.")
+  else()
+    message("Log indicates timeout correctly killed child.")
+  endif()
+else()
+  message(FATAL_ERROR "Log does not exist:\n  ${log}")
+endif()

Tests/CTestTestTimeout/timeout.c

@@ -1,18 +0,0 @@
-#if defined(_WIN32)
-# include <windows.h>
-#else
-# include <unistd.h>
-#endif
-
-#include <stdio.h>
-
-int main(void)
-{
-#if defined(_WIN32)
-  Sleep((TIMEOUT+4)*1000);
-#else
-  sleep((TIMEOUT+4));
-#endif
-  printf("timeout process finished sleeping!\n");
-  return -1;
-}

Tests/CTestTestTimeout/timeout.cmake

@@ -3,4 +3,4 @@ file(REMOVE ${Log})
 
 # Run a child that sleeps longer than the timout of this test.
 # Log its output so check.cmake can verify it dies.
-execute_process(COMMAND ${Timeout} OUTPUT_FILE ${Log})
+execute_process(COMMAND ${Sleep} ERROR_FILE ${Log})