1 // Copyright 2016 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_TRACE_EVENT_TRACE_EVENT_FILTER_TEST_UTILS_H_ 6 #define BASE_TRACE_EVENT_TRACE_EVENT_FILTER_TEST_UTILS_H_ 7 8 #include <memory> 9 #include <string> 10 11 #include "base/macros.h" 12 #include "base/trace_event/trace_event_filter.h" 13 14 namespace base { 15 namespace trace_event { 16 17 class TestEventFilter : public TraceEventFilter { 18 public: 19 struct HitsCounter { 20 HitsCounter(); 21 ~HitsCounter(); 22 void Reset(); 23 size_t filter_trace_event_hit_count; 24 size_t end_event_hit_count; 25 }; 26 27 static const char kName[]; 28 29 // Factory method for TraceLog::SetFilterFactoryForTesting(). 30 static std::unique_ptr<TraceEventFilter> Factory( 31 const std::string& predicate_name); 32 33 TestEventFilter(); 34 ~TestEventFilter() override; 35 36 // TraceEventFilter implementation. 37 bool FilterTraceEvent(const TraceEvent& trace_event) const override; 38 void EndEvent(const char* category_name, const char* name) const override; 39 40 static void set_filter_return_value(bool value) { 41 filter_return_value_ = value; 42 } 43 44 private: 45 static bool filter_return_value_; 46 47 DISALLOW_COPY_AND_ASSIGN(TestEventFilter); 48 }; 49 50 } // namespace trace_event 51 } // namespace base 52 53 #endif // BASE_TRACE_EVENT_TRACE_EVENT_FILTER_TEST_UTILS_H_ 54
