3 files changed, 18 insertions, 4 deletions
diff --git a/testing/tools/api_check.py b/testing/tools/api_check.py
index 2c5cc4fa3e..934577b21b 100755
--- a/testing/tools/api_check.py
+++ b/testing/tools/api_check.py
@@ -22,6 +22,8 @@ def _IsValidFunctionName(function, filename):
     return True
   if function == 'FSDK_SetUnSpObjProcessHandler' and filename == 'fpdf_ext.h':
     return True
+  if function == 'FSDK_SetTimeFunction' and filename == 'fpdf_ext.h':
+    return True
   if function.startswith('FORM_') and filename == 'fpdf_formfill.h':
     return True
   return False
diff --git a/testing/tools/make_expected.sh b/testing/tools/make_expected.sh
index a70df797c2..9b7e3d8716 100755
--- a/testing/tools/make_expected.sh
+++ b/testing/tools/make_expected.sh
@@ -6,6 +6,11 @@
 #
 # Script to generate expected result files.
 
+# Arbitrary timestamp, expressed in seconds since the epoch, used to make sure
+# that tests that depend on the current time are stable. Happens to be the
+# timestamp of the first commit to repo, 2014/5/9 17:48:50.
+TEST_SEED_TIME=1399672130
+
 # Do this before "set -e" so "which" failing is not fatal.
 PNGOPTIMIZER="$(which optipng)"
 
@@ -15,9 +20,9 @@ while (( "$#" )); do
   echo $INFILE | grep -qs ' ' && echo space in filename detected && exit 1
   EVTFILE="${INFILE%.*}.evt"
   if [ -f "$EVTFILE" ]; then
-    out/Debug/pdfium_test --send-events --png $INFILE
+    out/Debug/pdfium_test --send-events --time=$TEST_SEED_TIME --png $INFILE
   else
-    out/Debug/pdfium_test --png $INFILE
+    out/Debug/pdfium_test --time=$TEST_SEED_TIME --png $INFILE
   fi
   RESULTS="$INFILE.*.png"
   for RESULT in $RESULTS ; do
diff --git a/testing/tools/test_runner.py b/testing/tools/test_runner.py
index ecd87ad082..43dc578a90 100644
--- a/testing/tools/test_runner.py
+++ b/testing/tools/test_runner.py
@@ -17,6 +17,11 @@ import gold
 import pngdiffer
 import suppressor
 
+# Arbitrary timestamp, expressed in seconds since the epoch, used to make sure
+# that tests that depend on the current time are stable. Happens to be the
+# timestamp of the first commit to repo, 2014/5/9 17:48:50.
+TEST_SEED_TIME = "1399672130"
+
 class KeyboardInterruptError(Exception): pass
 
 # Nomenclature:
@@ -132,14 +137,16 @@ class TestRunner:
     txt_path = os.path.join(self.working_dir, input_root + '.txt')
 
     with open(txt_path, 'w') as outfile:
-      cmd_to_run = [self.pdfium_test_path, '--send-events', pdf_path]
+      cmd_to_run = [self.pdfium_test_path, '--send-events',
+                    '--time=' + TEST_SEED_TIME, pdf_path]
       subprocess.check_call(cmd_to_run, stdout=outfile)
 
     cmd = [sys.executable, self.text_diff_path, expected_txt_path, txt_path]
     return common.RunCommand(cmd)
 
   def TestPixel(self, input_root, pdf_path, use_ahem):
-    cmd_to_run = [self.pdfium_test_path, '--send-events', '--png', '--md5']
+    cmd_to_run = [self.pdfium_test_path, '--send-events', '--png', '--md5',
+                  '--time=' + TEST_SEED_TIME]
 
     if self.oneshot_renderer:
       cmd_to_run.append('--render-oneshot')