| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: sligocki@google.com (Shawn Ligocki) |
| |
| #include "pagespeed/kernel/base/null_statistics.h" |
| |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/statistics.h" |
| |
| namespace net_instaweb { |
| |
| namespace { |
| |
| // Make sure none of the Get* functions crash for NullStatistics. |
| TEST(NullStatisticsTest, CanGetAllVarTypes) { |
| NullStatistics stats; |
| |
| stats.AddUpDownCounter("var"); |
| UpDownCounter* var = stats.GetUpDownCounter("var"); |
| var->Add(1); |
| var->Add(-5); |
| EXPECT_EQ(0, var->SetReturningPreviousValue(10)); |
| |
| stats.AddHistogram("hist"); |
| Histogram* hist = stats.GetHistogram("hist"); |
| hist->Add(1.0); |
| hist->Add(-2.14159); // Steve's pi. |
| |
| stats.AddTimedVariable("timed_var", "group"); |
| TimedVariable* timed_var = stats.GetTimedVariable("timed_var"); |
| timed_var->IncBy(1); |
| timed_var->IncBy(13); |
| } |
| |
| } // namespace |
| |
| } // namespace net_instaweb |