From bdec3bd896b6faabab1c7cae79d8e75e8d0f0e41 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Thu, 15 Nov 2018 08:03:12 -0500
Subject: Tests: Teach RunCMake infrastructure to optionally provide stdin

---
 Tests/RunCMake/RunCMake.cmake | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Tests/RunCMake/RunCMake.cmake b/Tests/RunCMake/RunCMake.cmake
index 69c96cc..c076ad9 100644
--- a/Tests/RunCMake/RunCMake.cmake
+++ b/Tests/RunCMake/RunCMake.cmake
@@ -65,6 +65,13 @@ function(run_cmake test)
   else()
     set(maybe_timeout "")
   endif()
+  if(RunCMake-stdin-file AND EXISTS ${top_src}/${RunCMake-stdin-file})
+    set(maybe_input_file INPUT_FILE ${top_src}/${RunCMake-stdin-file})
+  elseif(EXISTS ${top_src}/${test}-stdin.txt)
+    set(maybe_input_file INPUT_FILE ${top_src}/${test}-stdin.txt)
+  else()
+    set(maybe_input_file "")
+  endif()
   if(RunCMake_TEST_COMMAND)
     execute_process(
       COMMAND ${RunCMake_TEST_COMMAND}
@@ -74,6 +81,7 @@ function(run_cmake test)
       RESULT_VARIABLE actual_result
       ENCODING UTF8
       ${maybe_timeout}
+      ${maybe_input_file}
       )
   else()
     if(RunCMake_GENERATOR_INSTANCE)
@@ -96,6 +104,7 @@ function(run_cmake test)
       RESULT_VARIABLE actual_result
       ENCODING UTF8
       ${maybe_timeout}
+      ${maybe_input_file}
       )
   endif()
   set(msg "")
-- 
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