Implement TRACE_COUNTER

base/debug/trace_event_unittest.cc

 // Copyright (c) 2011 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/debug/trace_event.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 272 matching lines @@
     TRACE_EVENT_BEGIN1("all", "TRACE_EVENT_BEGIN1 call", "name1", "value1");
     TRACE_EVENT_BEGIN2("all", "TRACE_EVENT_BEGIN2 call",
                        "name1", "value1",
                        "name2", "value2");
 
     TRACE_EVENT_END0("all", "TRACE_EVENT_END0 call");
     TRACE_EVENT_END1("all", "TRACE_EVENT_END1 call", "name1", "value1");
     TRACE_EVENT_END2("all", "TRACE_EVENT_END2 call",
                      "name1", "value1",
                      "name2", "value2");
+
+    TRACE_COUNTER1("all", "TRACE_COUNTER1 call", 31415);
+    TRACE_COUNTER2("all", "TRACE_COUNTER2 call",
+                   "a", 30000,
+                   "b", 1415);
   } // Scope close causes TRACE_EVENT0 etc to send their END events.
 
   if (task_complete_event)
     task_complete_event->Signal();
 }
 
 void ValidateAllTraceMacrosCreatedData(const ListValue& trace_parsed) {
   DictionaryValue* item = NULL;
 
 #define EXPECT_FIND_(string) \
@@ skipping 46 matching lines @@
   EXPECT_SUB_FIND_("value1");
   EXPECT_SUB_FIND_("name2");
   EXPECT_SUB_FIND_("value2");
   EXPECT_FIND_("TRACE_EVENT_END0 call");
   EXPECT_FIND_("TRACE_EVENT_END1 call");
   EXPECT_FIND_("TRACE_EVENT_END2 call");
   EXPECT_SUB_FIND_("name1");
   EXPECT_SUB_FIND_("value1");
   EXPECT_SUB_FIND_("name2");
   EXPECT_SUB_FIND_("value2");
+
+  EXPECT_FIND_("TRACE_COUNTER1 call");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("C", ph);
+
+    int value;
+    EXPECT_TRUE((item && item->GetInteger("args.value", &value)));
+    EXPECT_EQ(31415, value);
+  }
+
+  EXPECT_FIND_("TRACE_COUNTER2 call");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("C", ph);
+
+    int value;
+    EXPECT_TRUE((item && item->GetInteger("args.a", &value)));
+    EXPECT_EQ(30000, value);
+
+    EXPECT_TRUE((item && item->GetInteger("args.b", &value)));
+    EXPECT_EQ(1415, value);
+  }
+
 }
 
 void TraceManyInstantEvents(int thread_id, int num_events,
                             WaitableEvent* task_complete_event) {
   for (int i = 0; i < num_events; i++) {
     TRACE_EVENT_INSTANT2("all", "multi thread event",
                          "thread", thread_id,
                          "event", i);
   }
 
@@ skipping 625 matching lines @@
   Clear();
 
   trace_buffer_.Start();
   trace_buffer_.AddFragment("bla1,bla2,bla3,bla4");
   trace_buffer_.Finish();
   EXPECT_STREQ(json_output_.json_output.c_str(), "[bla1,bla2,bla3,bla4]");
 }
 
 }  // namespace debug
 }  // namespace base