[Startup Tracing] Separate TraceOptions and CategoryFilter

base/trace_event/trace_options_unittest.cc

Index: base/trace_event/trace_options_unittest.cc
diff --git a/base/trace_event/trace_options_unittest.cc b/base/trace_event/trace_options_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..088aea020783160ae954b379cbc26a1f6a8ed67d
--- /dev/null
+++ b/base/trace_event/trace_options_unittest.cc
@@ -0,0 +1,90 @@
+// Copyright (c) 2015 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_options.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace trace_event {
+
+TEST(TraceOptionsTest, TraceOptionsFromString) {
+  TraceOptions options;
+  EXPECT_TRUE(options.SetFromString("record-until-full"));
+  EXPECT_EQ(RECORD_UNTIL_FULL, options.record_mode);
+  EXPECT_FALSE(options.enable_sampling);
+  EXPECT_FALSE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString("record-continuously"));
+  EXPECT_EQ(RECORD_CONTINUOUSLY, options.record_mode);
+  EXPECT_FALSE(options.enable_sampling);
+  EXPECT_FALSE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString("trace-to-console"));
+  EXPECT_EQ(ECHO_TO_CONSOLE, options.record_mode);
+  EXPECT_FALSE(options.enable_sampling);
+  EXPECT_FALSE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString("record-as-much-as-possible"));
+  EXPECT_EQ(RECORD_AS_MUCH_AS_POSSIBLE, options.record_mode);
+  EXPECT_FALSE(options.enable_sampling);
+  EXPECT_FALSE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString("record-until-full, enable-sampling"));
+  EXPECT_EQ(RECORD_UNTIL_FULL, options.record_mode);
+  EXPECT_TRUE(options.enable_sampling);
+  EXPECT_FALSE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString("enable-systrace,record-continuously"));
+  EXPECT_EQ(RECORD_CONTINUOUSLY, options.record_mode);
+  EXPECT_FALSE(options.enable_sampling);
+  EXPECT_TRUE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString(
+      "enable-systrace, trace-to-console,enable-sampling"));
+  EXPECT_EQ(ECHO_TO_CONSOLE, options.record_mode);
+  EXPECT_TRUE(options.enable_sampling);
+  EXPECT_TRUE(options.enable_systrace);
+
+  EXPECT_TRUE(options.SetFromString(
+      "record-continuously,record-until-full,trace-to-console"));
+  EXPECT_EQ(ECHO_TO_CONSOLE, options.record_mode);
+  EXPECT_FALSE(options.enable_systrace);
+  EXPECT_FALSE(options.enable_sampling);
+
+  EXPECT_TRUE(options.SetFromString(""));
+  EXPECT_EQ(RECORD_UNTIL_FULL, options.record_mode);
+  EXPECT_FALSE(options.enable_systrace);
+  EXPECT_FALSE(options.enable_sampling);
+
+  EXPECT_FALSE(options.SetFromString("foo-bar-baz"));
+}
+
+TEST(TraceOptionsTest, TraceOptionsToString) {
+  // Test that we can intialize TraceOptions from a string got from
+  // TraceOptions.ToString() method to get a same TraceOptions.
+  TraceRecordMode modes[] = {RECORD_UNTIL_FULL,
+                             RECORD_CONTINUOUSLY,
+                             ECHO_TO_CONSOLE,
+                             RECORD_AS_MUCH_AS_POSSIBLE};
+  bool enable_sampling_options[] = {true, false};
+  bool enable_systrace_options[] = {true, false};
+
+  for (int i = 0; i < 4; ++i) {
+    for (int j = 0; j < 2; ++j) {
+      for (int k = 0; k < 2; ++k) {
+        TraceOptions original_option = TraceOptions(modes[i]);
+        original_option.enable_sampling = enable_sampling_options[j];
+        original_option.enable_systrace = enable_systrace_options[k];
+        TraceOptions new_options;
+        EXPECT_TRUE(new_options.SetFromString(original_option.ToString()));
+        EXPECT_EQ(original_option.record_mode, new_options.record_mode);
+        EXPECT_EQ(original_option.enable_sampling, new_options.enable_sampling);
+        EXPECT_EQ(original_option.enable_systrace, new_options.enable_systrace);
+      }
+    }
+  }
+}
+
+}  // namespace trace_event
+}  // namespace base