Switch from wcsftime to GetDateFormat to avoid crash in setup....

chrome/installer/util/install_util_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/win/registry.h"
 #include "chrome/installer/util/browser_distribution.h"
@@ skipping 84 matching lines @@
     EXPECT_EQ(param.first, command_line.GetProgram().value());
     if (param.second.empty()) {
       EXPECT_EQ(0U, command_line.GetSwitchCount());
     } else {
       EXPECT_EQ(2U, command_line.GetSwitchCount());
       EXPECT_TRUE(command_line.HasSwitch("do-something"));
       EXPECT_TRUE(command_line.HasSwitch("silly"));
     }
   }
 }
+
+TEST_F(InstallUtilTest, GetCurrentDate) {
+  std::wstring date(InstallUtil::GetCurrentDate());
+  EXPECT_EQ(8, date.length());
+  if (date.length() == 8) {
+    // For an invalid date value, SystemTimeToFileTime will fail.
+    // We use this to validate that we have a correct date string.
+    SYSTEMTIME systime = {0};
+    FILETIME ft = {0};
+    // Just to make sure our assumption holds.
+    EXPECT_FALSE(SystemTimeToFileTime(&systime, &ft));
+    // Now fill in the values from our string.
+    systime.wYear = _wtoi(date.substr(0, 4).c_str());
+    systime.wMonth = _wtoi(date.substr(4, 2).c_str());
+    systime.wDay = _wtoi(date.substr(6, 2).c_str());
+    // Check if they make sense.
+    EXPECT_TRUE(SystemTimeToFileTime(&systime, &ft));
+  }
+}