Linux: warning when not running most recent test_shell

With the scons GYP switch, you now have to pass --debug to
run_layout_tests.sh to run the debug build otherwise you'll silently
be running the wrong binary. Warning loudly about this.


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13333 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 23 insertions, 1 deletions

diff --git a/webkit/tools/layout_tests/layout_package/platform_utils_linux.py b/webkit/tools/layout_tests/layout_package/platform_utils_linux.py
index 62e236d..4708bb4 100644
--- a/webkit/tools/layout_tests/layout_package/platform_utils_linux.py
+++ b/webkit/tools/layout_tests/layout_package/platform_utils_linux.py
@@ -10,6 +10,7 @@ import re
 import signal
 import subprocess
 import sys
+import logging
 
 import google.path_utils
 
@@ -173,6 +174,27 @@ class PlatformUtility(object):
     Args:
       target: Build target mode (debug or release)
     """
+
+    if target in ('Debug', 'Release'):
+      debug_path = PathFromBase('sconsbuild', 'Debug', self.TestShellBinary())
+      release_path = PathFromBase('sconsbuild', 'Release', \
+                                  self.TestShellBinary())
+      try:
+        debug_mtime = os.stat(debug_path).st_mtime
+        release_mtime = os.stat(release_path).st_mtime
+
+        if debug_mtime > release_mtime and target == 'Release' or \
+           release_mtime > debug_mtime and target == 'Debug':
+          logging.info('\x1b[31mWarning: you are not running the most ' + \
+                       'recent test_shell binary. You need to pass ' + \
+                       '--debug or not to select between Debug and ' + \
+                       'Release.\x1b[0m')
+      except OSError:
+        # This will fail if we don't have both a debug and release binary.
+        # That's fine because, in this case, we must already be running the
+        # most up-to-date one.
+        pass
+
     return PathFromBase('sconsbuild', target, self.TestShellBinary())
 
   def FuzzyMatchBinaryPath(self):
@@ -192,4 +214,4 @@ class PlatformUtility(object):
   def PlatformNewResultsDir(self):
     """Returns the directory name in which to output newly baselined tests.
     """
-    return self.PlatformDir()
\ No newline at end of file
+    return self.PlatformDir()