Index: base/trace_event/trace_event_filter_test_utils.cc |
diff --git a/base/trace_event/trace_event_filter_test_utils.cc b/base/trace_event/trace_event_filter_test_utils.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..06548b049a2f1e69d212dbef2315e8d3fd8b5bea |
--- /dev/null |
+++ b/base/trace_event/trace_event_filter_test_utils.cc |
@@ -0,0 +1,61 @@ |
+// Copyright 2016 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 "base/trace_event/trace_event_filter_test_utils.h" |
+ |
+#include "base/logging.h" |
+ |
+namespace base { |
+namespace trace_event { |
+ |
+namespace { |
+TestEventFilter::HitsCounter* g_hits_counter; |
+} // namespace; |
+ |
+// static |
+const char TestEventFilter::kName[] = "testing_predicate"; |
+bool TestEventFilter::filter_return_value_; |
+ |
+// static |
+std::unique_ptr<TraceEventFilter> TestEventFilter::Factory( |
+ const std::string& predicate_name) { |
+ std::unique_ptr<TraceEventFilter> res; |
+ if (predicate_name == kName) |
+ res.reset(new TestEventFilter()); |
+ return res; |
+} |
+ |
+TestEventFilter::TestEventFilter() {} |
+TestEventFilter::~TestEventFilter() {} |
+ |
+bool TestEventFilter::FilterTraceEvent(const TraceEvent& trace_event) const { |
+ if (g_hits_counter) |
+ g_hits_counter->filter_trace_event_hit_count++; |
+ return filter_return_value_; |
+} |
+ |
+void TestEventFilter::EndEvent(const char* category_name, |
+ const char* name) const { |
+ if (g_hits_counter) |
+ g_hits_counter->end_event_hit_count++; |
+} |
+ |
+TestEventFilter::HitsCounter::HitsCounter() { |
+ Reset(); |
+ DCHECK(!g_hits_counter); |
+ g_hits_counter = this; |
+} |
+ |
+TestEventFilter::HitsCounter::~HitsCounter() { |
+ DCHECK(g_hits_counter); |
+ g_hits_counter = nullptr; |
+} |
+ |
+void TestEventFilter::HitsCounter::Reset() { |
+ filter_trace_event_hit_count = 0; |
+ end_event_hit_count = 0; |
+} |
+ |
+} // namespace trace_event |
+} // namespace base |