Hook up stats reporting via default system on OS X.

chrome/browser/google_update_settings_mac_unittest.mm

+// Copyright (c) 2009 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 <Foundation/Foundation.h>
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "base/sys_string_conversions.h"
+#include "chrome/installer/util/google_update_constants.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+namespace google_update {
+
+bool GetCollectStatsConsentFromDictionary(NSDictionary *dict);
+
+}  // namespace google_update
+
+
+class GoogleUpdateTest : public PlatformTest {
+};
+
+TEST_F(GoogleUpdateTest, StatsConstent) {

[John Grabowski, 2009/05/18 21:49:50]

Excellent

+  using google_update::GetCollectStatsConsentFromDictionary;
+
+  // Stats are on by default.
+  NSDictionary *empty_dict = [NSDictionary dictionary];

[John Grabowski, 2009/05/18 21:49:50]

Blah * --> Blah*
in lots of places here

+  ASSERT_TRUE(GetCollectStatsConsentFromDictionary(empty_dict));
+
+  NSString *collect_stats_key = base::SysWideToNSString(
+      google_update::kRegUsageStatsField);
+
+  // Stats reporting is ON.
+  NSNumber *stats_enabled = [NSNumber numberWithBool:YES];
+  NSDictionary *enabled_dict = [NSDictionary
+      dictionaryWithObject:stats_enabled
+                    forKey:collect_stats_key];
+  ASSERT_TRUE(GetCollectStatsConsentFromDictionary(enabled_dict));
+
+  // Stats reporting is OFF.
+  NSNumber *stats_disabled = [NSNumber numberWithBool:NO];
+  NSDictionary *disabled_dict = [NSDictionary
+      dictionaryWithObject:stats_disabled
+                    forKey:collect_stats_key];
+  ASSERT_FALSE(GetCollectStatsConsentFromDictionary(disabled_dict));
+

[John Grabowski, 2009/05/18 21:49:50]

Stat not set test (which will be the most common case...)

+  // Check that we fail gracefully if an object of the wrong type is present.
+  NSDictionary *wrong_type_dict = [NSDictionary
+      dictionaryWithObject:empty_dict
+                    forKey:collect_stats_key];
+  ASSERT_TRUE(GetCollectStatsConsentFromDictionary(wrong_type_dict));
+}