[test] Add output for investigating win-asan failures

Also fix asan environment for testing on windows.

TBR=sergiyb@chromium.org

Bug: chromium:726584
Change-Id: Ic9e6afa714f4757ad1b0f2ebfa742e742e1c04b9
Reviewed-on: https://chromium-review.googlesource.com/720811
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48583}

test/cctest/testcfg.py

@@ -47,10 +47,10 @@ class CcTestSuite(testsuite.TestSuite):
     shell = os.path.abspath(os.path.join(context.shell_dir, self.shell()))
     if utils.IsWindows():
       shell += ".exe"
-    output = commands.Execute(context.command_prefix +
-                              [shell, "--list"] +
-                              context.extra_flags)
+    cmd = context.command_prefix + [shell, "--list"] + context.extra_flags
+    output = commands.Execute(cmd)
     if output.exit_code != 0:
+      print ' '.join(cmd)
       print output.stdout
       print output.stderr
       return []

tools/testrunner/local/commands.py

@@ -144,6 +144,9 @@ def RunProcess(verbose, timeout, args, additional_env, **rest):
   )
 
 
+# TODO(machenbach): Instead of passing args around, we should introduce an
+# immutable Command class (that just represents the command with all flags and
+# is pretty-printable) and a member method for running such a command.
 def Execute(args, verbose=False, timeout=None, env=None):
   args = [ c for c in args if c != "" ]
   return RunProcess(verbose, timeout, args, env or {})

tools/testrunner/local/testsuite.py

@@ -318,12 +318,16 @@ class GoogleTestSuite(TestSuite):
 
     output = None
     for i in xrange(3): # Try 3 times in case of errors.
-      output = commands.Execute(context.command_prefix +
-                                [shell, "--gtest_list_tests"] +
-                                context.extra_flags)
+      cmd = (
+          context.command_prefix +
+          [shell, "--gtest_list_tests"] +
+          context.extra_flags
+      )
+      output = commands.Execute(cmd)
       if output.exit_code == 0:
         break
       print "Test executable failed to list the tests (try %d).\n\nStdout:" % i
+      print ' '.join(cmd)
       print output.stdout
       print "\nStderr:"
       print output.stderr

tools/testrunner/standard_runner.py

@@ -665,8 +665,8 @@ class StandardTestRunner(base_runner.BaseTestRunner):
 
       if options.asan:
         asan_options = [symbolizer, "allow_user_segv_handler=1"]
-        if not utils.GuessOS() == 'macos':
-          # LSAN is not available on mac.
+        if not utils.GuessOS() in ['macos', 'windows']:
+          # LSAN is not available on mac and windows.
           asan_options.append('detect_leaks=1')
         os.environ['ASAN_OPTIONS'] = ":".join(asan_options)