Index: base/vlog_unittest.cc |
diff --git a/base/vlog_unittest.cc b/base/vlog_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bb4872498f32069c5f2258f2c9edb2f8a3ab4394 |
--- /dev/null |
+++ b/base/vlog_unittest.cc |
@@ -0,0 +1,105 @@ |
+// Copyright (c) 2010 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/vlog.h" |
+ |
+#include "base/basictypes.h" |
+#include "base/logging.h" |
+#include "base/time.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace logging { |
+ |
+namespace { |
+ |
+class VlogTest : public testing::Test { |
+}; |
+ |
+TEST_F(VlogTest, NoVmodule) { |
+ EXPECT_EQ(0, VlogInfo("", "").GetVlogLevel("test1")); |
+ EXPECT_EQ(0, VlogInfo("0", "").GetVlogLevel("test2")); |
+ EXPECT_EQ(0, VlogInfo("blah", "").GetVlogLevel("test3")); |
+ EXPECT_EQ(0, VlogInfo("0blah1", "").GetVlogLevel("test4")); |
+ EXPECT_EQ(1, VlogInfo("1", "").GetVlogLevel("test5")); |
+ EXPECT_EQ(5, VlogInfo("5", "").GetVlogLevel("test6")); |
+} |
+ |
+TEST_F(VlogTest, Vmodule) { |
+ const char kVSwitch[] = "-1"; |
+ const char kVModuleSwitch[] = |
+ "foo=,bar=0,baz=blah,,qux=0blah1,quux=1,corge=5"; |
+ VlogInfo vlog_info(kVSwitch, kVModuleSwitch); |
+ EXPECT_EQ(-1, vlog_info.GetVlogLevel("/path/to/grault.cc")); |
+ EXPECT_EQ(0, vlog_info.GetVlogLevel("/path/to/foo.cc")); |
+ EXPECT_EQ(0, vlog_info.GetVlogLevel("D:\\Path\\To\\bar-inl.mm")); |
+ EXPECT_EQ(-1, vlog_info.GetVlogLevel("D:\\path\\to what/bar_unittest.m")); |
+ EXPECT_EQ(0, vlog_info.GetVlogLevel("baz.h")); |
+ EXPECT_EQ(0, vlog_info.GetVlogLevel("/another/path/to/qux.h")); |
+ EXPECT_EQ(1, vlog_info.GetVlogLevel("/path/to/quux")); |
+ EXPECT_EQ(5, vlog_info.GetVlogLevel("c:\\path/to/corge.h")); |
+} |
+ |
+#define BENCHMARK(iters, elapsed, code) \ |
+ do { \ |
+ base::TimeTicks start = base::TimeTicks::Now(); \ |
+ for (int i = 0; i < iters; ++i) code; \ |
+ base::TimeTicks end = base::TimeTicks::Now(); \ |
+ elapsed = end - start; \ |
+ double cps = iters / elapsed.InSecondsF(); \ |
+ LOG(INFO) << cps << " cps (" << elapsed.InSecondsF() \ |
+ << "s elapsed)"; \ |
+ } while (0) |
+ |
+double GetSlowdown(const base::TimeDelta& base, |
+ const base::TimeDelta& elapsed) { |
+ return elapsed.InSecondsF() / base.InSecondsF(); |
+} |
+ |
+ |
+TEST_F(VlogTest, Perf) { |
+ const char* kVlogs[] = { |
+ "/path/to/foo.cc", |
+ "C:\\path\\to\\bar.h", |
+ "/path/to/not-matched.mm", |
+ "C:\\path\\to\\baz-inl.mm", |
+ "C:\\path\\to\\qux.mm", |
+ "/path/to/quux.mm", |
+ "/path/to/another-not-matched.mm", |
+ }; |
+ const int kVlogCount = arraysize(kVlogs); |
+ |
+ base::TimeDelta null_elapsed; |
+ { |
+ VlogInfo null_vlog_info("", ""); |
+ BENCHMARK(10000000, null_elapsed, { |
+ EXPECT_NE(-1, null_vlog_info.GetVlogLevel(kVlogs[i % kVlogCount])); |
+ }); |
+ } |
+ |
+ { |
+ VlogInfo small_vlog_info("0", "foo=1,bar=2,baz=3,qux=4,quux=5"); |
+ base::TimeDelta elapsed; |
+ BENCHMARK(10000000, elapsed, { |
+ EXPECT_NE(-1, small_vlog_info.GetVlogLevel(kVlogs[i % kVlogCount])); |
+ }); |
+ LOG(INFO) << "slowdown = " << GetSlowdown(null_elapsed, elapsed) |
+ << "x"; |
+ } |
+ |
+ { |
+ VlogInfo pattern_vlog_info("0", "fo*=1,ba?=2,b*?z=3,*ux=4,?uux=5"); |
+ base::TimeDelta elapsed; |
+ BENCHMARK(10000000, elapsed, { |
+ EXPECT_NE(-1, pattern_vlog_info.GetVlogLevel(kVlogs[i % kVlogCount])); |
+ }); |
+ LOG(INFO) << "slowdown = " << GetSlowdown(null_elapsed, elapsed) |
+ << "x"; |
+ } |
+} |
+ |
+#undef BENCHMARK |
+ |
+} // namespace |
+ |
+} // namespace logging |