Adding pref to store the user-selected proximity threshold.

components/proximity_auth/proximity_auth_pref_manager_unittest.cc

 // Copyright 2015 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 "components/proximity_auth/proximity_auth_pref_manager.h"
 
 #include <algorithm>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "components/prefs/testing_pref_service.h"
 #include "components/proximity_auth/proximity_auth_pref_names.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace proximity_auth {
 namespace {
 
 const char kBluetoothAddress1[] = "11:22:33:44:55:66";
 const char kPublicKey1[] = "public key 1";
 
 const char kBluetoothAddress2[] = "22:33:44:55:66:77";
 const char kPublicKey2[] = "public key 2";
 
 const int64_t kPasswordEntryTimestampMs1 = 123456789L;
 const int64_t kPasswordEntryTimestampMs2 = 987654321L;
 
+const int kProximityThreshold1 = 2;
+const int kProximityThreshold2 = 3;
+
 }  //  namespace
 
 class ProximityAuthProximityAuthPrefManagerTest : public testing::Test {
  protected:
   ProximityAuthProximityAuthPrefManagerTest() {}
 
   void SetUp() override {
     ProximityAuthPrefManager::RegisterPrefs(pref_service_.registry());
   }
 
@@ skipping 123 matching lines @@
   ProximityAuthPrefManager pref_manager(&pref_service_);
   EXPECT_EQ(0L, pref_manager.GetLastPasswordEntryTimestampMs());
   pref_manager.SetLastPasswordEntryTimestampMs(kPasswordEntryTimestampMs1);
   EXPECT_EQ(kPasswordEntryTimestampMs1,
             pref_manager.GetLastPasswordEntryTimestampMs());
   pref_manager.SetLastPasswordEntryTimestampMs(kPasswordEntryTimestampMs2);
   EXPECT_EQ(kPasswordEntryTimestampMs2,
             pref_manager.GetLastPasswordEntryTimestampMs());
 }
 
+TEST_F(ProximityAuthProximityAuthPrefManagerTest, ProximityThreshold) {
+  ProximityAuthPrefManager pref_manager(&pref_service_);
+  EXPECT_EQ(1, pref_manager.GetProximityThreshold());
+  pref_manager.SetProximityThreshold(kProximityThreshold1);
+  EXPECT_EQ(kProximityThreshold1, pref_manager.GetProximityThreshold());
+  pref_manager.SetProximityThreshold(kProximityThreshold2);
+  EXPECT_EQ(kProximityThreshold2, pref_manager.GetProximityThreshold());
+}
+
 }  // namespace proximity_auth