[test] Fix infinite loop and fail result in the num fuzzer

1. Fix infinite loop caused by time based fuzzing
2. Shallow copy of the result to avoid dropping output
by different processor.

Bug: v8:6917
Change-Id: Icf823e853be9d3cc8dfd46ed2fb954979bf02d2f
Reviewed-on: https://chromium-review.googlesource.com/877761
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50737}

tools/testrunner/testproc/fuzzer.py

@@ -119,7 +119,7 @@ class FuzzerProc(base.TestProcProducer):
       return
 
     i = 0
-    while not self._stop or i < self._count:
+    while (self._fuzz_duration_sec and not self._stop) or i < self._count:
       main_index = self._rng.choice(indexes)
       _, main_gen = gens[main_index]
 

tools/testrunner/testproc/progress.py

@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import copy
 import json
 import os
 import sys
@@ -69,25 +70,25 @@ class SimpleProgressIndicator(ProgressIndicator):
   def _on_result_for(self, test, result):
     # TODO(majeski): Support for dummy/grouped results
     if result.has_unexpected_output:
-      self._failed.append((test, result))
+      self._failed.append((test, result.cmd, copy.copy(result.output)))
 
   def finished(self):
     crashed = 0
     print
-    for test, result in self._failed:
+    for test, cmd, output in self._failed:
       print_failure_header(test)
-      if result.output.stderr:
+      if output.stderr:
         print "--- stderr ---"
-        print result.output.stderr.strip()
-      if result.output.stdout:
+        print output.stderr.strip()
+      if output.stdout:
         print "--- stdout ---"
-        print result.output.stdout.strip()
-      print "Command: %s" % result.cmd.to_string()
-      if result.output.HasCrashed():
-        print "exit code: %d" % result.output.exit_code
+        print output.stdout.strip()
+      print "Command: %s" % cmd.to_string()
+      if output.HasCrashed():
+        print "exit code: %d" % output.exit_code
         print "--- CRASHED ---"
         crashed += 1
-      if result.output.HasTimedOut():
+      if output.HasTimedOut():
         print "--- TIMEOUT ---"
     if len(self._failed) == 0:
       print "==="