Squashed 'third_party/gflags/' content from commit f0523f1
Change-Id: I7b525481a9f3ec3e48e6656735d06432c25dc3b9
git-subtree-dir: third_party/gflags
git-subtree-split: f0523f14a93cbb46fff9b318508aa1c6923158c7
diff --git a/cmake/execute_test.cmake b/cmake/execute_test.cmake
new file mode 100644
index 0000000..df008cf
--- /dev/null
+++ b/cmake/execute_test.cmake
@@ -0,0 +1,53 @@
+# ----------------------------------------------------------------------------
+# sanitize string stored in variable for use in regular expression.
+macro (sanitize_for_regex STRVAR)
+ string (REGEX REPLACE "([.+*?^$()])" "\\\\\\1" ${STRVAR} "${${STRVAR}}")
+endmacro ()
+
+# ----------------------------------------------------------------------------
+# script arguments
+if (NOT COMMAND)
+ message (FATAL_ERROR "Test command not specified!")
+endif ()
+if (NOT DEFINED EXPECTED_RC)
+ set (EXPECTED_RC 0)
+endif ()
+if (EXPECTED_OUTPUT)
+ sanitize_for_regex(EXPECTED_OUTPUT)
+endif ()
+if (UNEXPECTED_OUTPUT)
+ sanitize_for_regex(UNEXPECTED_OUTPUT)
+endif ()
+
+# ----------------------------------------------------------------------------
+# set a few environment variables (useful for --tryfromenv)
+set (ENV{FLAGS_undefok} "foo,bar")
+set (ENV{FLAGS_weirdo} "")
+set (ENV{FLAGS_version} "true")
+set (ENV{FLAGS_help} "false")
+
+# ----------------------------------------------------------------------------
+# execute test command
+execute_process(
+ COMMAND ${COMMAND}
+ RESULT_VARIABLE RC
+ OUTPUT_VARIABLE OUTPUT
+ ERROR_VARIABLE OUTPUT
+)
+
+if (OUTPUT)
+ message ("${OUTPUT}")
+endif ()
+
+# ----------------------------------------------------------------------------
+# check test result
+if (NOT RC EQUAL EXPECTED_RC)
+ string (REPLACE ";" " " COMMAND "${COMMAND}")
+ message (FATAL_ERROR "Command:\n\t${COMMAND}\nExit status is ${RC}, expected ${EXPECTED_RC}")
+endif ()
+if (EXPECTED_OUTPUT AND NOT OUTPUT MATCHES "${EXPECTED_OUTPUT}")
+ message (FATAL_ERROR "Test output does not match expected output: ${EXPECTED_OUTPUT}")
+endif ()
+if (UNEXPECTED_OUTPUT AND OUTPUT MATCHES "${UNEXPECTED_OUTPUT}")
+ message (FATAL_ERROR "Test output matches unexpected output: ${UNEXPECTED_OUTPUT}")
+endif ()
\ No newline at end of file