Escape name and category of trace events.

base/trace_event/trace_event_unittest.cc

 // Copyright (c) 2012 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.h"
 
 #include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 2312 matching lines @@
   EXPECT_EQ(0, int_value);
 
   dict = FindNamePhase("event15", "X");
   ASSERT_TRUE(dict);
   dict->GetDictionary("args", &args_dict);
   ASSERT_TRUE(args_dict);
   EXPECT_TRUE(args_dict->GetInteger("timeticks_one", &int_value));
   EXPECT_EQ(1, int_value);
 }
 
+TEST_F(TraceEventTestFixture, NameAndCategoryEscapedIfNeeded) {
+  TraceLog::GetInstance()->SetEnabled(TraceConfig(kRecordAllCategoryFilter, ""),
+                                      TraceLog::RECORDING_MODE);
+  TRACE_EVENT0("category", "name\\with\\backspaces");
+  TRACE_EVENT0("category\\with\\backspaces", "name");
+  EndTraceAndFlush();
+
+  EXPECT_TRUE(FindMatchingValue("cat", "category"));
+  EXPECT_TRUE(FindMatchingValue("name", "name\\with\\backspaces"));
+  EXPECT_TRUE(FindMatchingValue("cat", "category\\with\\backspaces"));
+  EXPECT_TRUE(FindMatchingValue("name", "name"));
+}
+
 namespace {
 
 bool IsArgNameWhitelisted(const char* arg_name) {
   return base::MatchPattern(arg_name, "granular_arg_whitelisted");
 }
 
 bool IsTraceEventArgsWhitelisted(const char* category_group_name,
                                  const char* event_name,
                                  ArgumentNameFilterPredicate* arg_filter) {
   if (base::MatchPattern(category_group_name, "toplevel") &&
@@ skipping 741 matching lines @@
 }
 
 TEST_F(TraceEventTestFixture, SyntheticDelayConfigurationToString) {
   const char filter[] = "DELAY(test.Delay;16;oneshot)";
   TraceConfig config(filter, "");
   EXPECT_EQ(filter, config.ToCategoryFilterString());
 }
 
 }  // namespace trace_event
 }  // namespace base