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-rw-r--r--libcxx/utils/google-benchmark/test/output_test_helper.cc96
1 files changed, 49 insertions, 47 deletions
diff --git a/libcxx/utils/google-benchmark/test/output_test_helper.cc b/libcxx/utils/google-benchmark/test/output_test_helper.cc
index 24746f6d27f..394c4f5d1a2 100644
--- a/libcxx/utils/google-benchmark/test/output_test_helper.cc
+++ b/libcxx/utils/google-benchmark/test/output_test_helper.cc
@@ -1,13 +1,13 @@
+#include <cstring>
#include <iostream>
#include <map>
#include <memory>
#include <sstream>
-#include <cstring>
+#include "../src/benchmark_api_internal.h"
#include "../src/check.h" // NOTE: check.h is for internal use only!
#include "../src/re.h" // NOTE: re.h is for internal use only
#include "output_test.h"
-#include "../src/benchmark_api_internal.h"
// ========================================================================= //
// ------------------------------ Internals -------------------------------- //
@@ -33,6 +33,7 @@ TestCaseList& GetTestCaseList(TestCaseID ID) {
SubMap& GetSubstitutions() {
// Don't use 'dec_re' from header because it may not yet be initialized.
+ // clang-format off
static std::string safe_dec_re = "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?";
static SubMap map = {
{"%float", "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?"},
@@ -40,8 +41,8 @@ SubMap& GetSubstitutions() {
{"%hrfloat", "[0-9]*[.]?[0-9]+([eE][-+][0-9]+)?[kMGTPEZYmunpfazy]?"},
{"%int", "[ ]*[0-9]+"},
{" %s ", "[ ]+"},
- {"%time", "[ ]*[0-9]{1,5} ns"},
- {"%console_report", "[ ]*[0-9]{1,5} ns [ ]*[0-9]{1,5} ns [ ]*[0-9]+"},
+ {"%time", "[ ]*[0-9]{1,6} ns"},
+ {"%console_report", "[ ]*[0-9]{1,6} ns [ ]*[0-9]{1,6} ns [ ]*[0-9]+"},
{"%console_us_report", "[ ]*[0-9] us [ ]*[0-9] us [ ]*[0-9]+"},
{"%csv_header",
"name,iterations,real_time,cpu_time,time_unit,bytes_per_second,"
@@ -57,6 +58,7 @@ SubMap& GetSubstitutions() {
"," + safe_dec_re + ",,,"},
{"%csv_label_report_begin", "[0-9]+," + safe_dec_re + "," + safe_dec_re + ",ns,,,"},
{"%csv_label_report_end", ",,"}};
+ // clang-format on
return map;
}
@@ -147,9 +149,9 @@ class TestReporter : public benchmark::BenchmarkReporter {
}
private:
- std::vector<benchmark::BenchmarkReporter *> reporters_;
+ std::vector<benchmark::BenchmarkReporter*> reporters_;
};
-}
+} // namespace
} // end namespace internal
@@ -163,28 +165,25 @@ namespace internal {
// It works by parsing the CSV output to read the results.
class ResultsChecker {
public:
-
- struct PatternAndFn : public TestCase { // reusing TestCase for its regexes
+ struct PatternAndFn : public TestCase { // reusing TestCase for its regexes
PatternAndFn(const std::string& rx, ResultsCheckFn fn_)
- : TestCase(rx), fn(fn_) {}
+ : TestCase(rx), fn(fn_) {}
ResultsCheckFn fn;
};
- std::vector< PatternAndFn > check_patterns;
- std::vector< Results > results;
- std::vector< std::string > field_names;
+ std::vector<PatternAndFn> check_patterns;
+ std::vector<Results> results;
+ std::vector<std::string> field_names;
void Add(const std::string& entry_pattern, ResultsCheckFn fn);
void CheckResults(std::stringstream& output);
private:
-
void SetHeader_(const std::string& csv_header);
void SetValues_(const std::string& entry_csv_line);
- std::vector< std::string > SplitCsv_(const std::string& line);
-
+ std::vector<std::string> SplitCsv_(const std::string& line);
};
// store the static ResultsChecker in a function to prevent initialization
@@ -207,7 +206,7 @@ void ResultsChecker::CheckResults(std::stringstream& output) {
// clear before calling tellg()
output.clear();
// seek to zero only when needed
- if(output.tellg() > start) output.seekg(start);
+ if (output.tellg() > start) output.seekg(start);
// and just in case
output.clear();
}
@@ -218,18 +217,18 @@ void ResultsChecker::CheckResults(std::stringstream& output) {
CHECK(output.good());
std::getline(output, line);
if (on_first) {
- SetHeader_(line); // this is important
+ SetHeader_(line); // this is important
on_first = false;
continue;
}
SetValues_(line);
}
// finally we can call the subscribed check functions
- for(const auto& p : check_patterns) {
+ for (const auto& p : check_patterns) {
VLOG(2) << "--------------------------------\n";
VLOG(2) << "checking for benchmarks matching " << p.regex_str << "...\n";
- for(const auto& r : results) {
- if(!p.regex->Match(r.name)) {
+ for (const auto& r : results) {
+ if (!p.regex->Match(r.name)) {
VLOG(2) << p.regex_str << " is not matched by " << r.name << "\n";
continue;
} else {
@@ -249,51 +248,50 @@ void ResultsChecker::SetHeader_(const std::string& csv_header) {
// set the values for a benchmark
void ResultsChecker::SetValues_(const std::string& entry_csv_line) {
- if(entry_csv_line.empty()) return; // some lines are empty
+ if (entry_csv_line.empty()) return; // some lines are empty
CHECK(!field_names.empty());
auto vals = SplitCsv_(entry_csv_line);
CHECK_EQ(vals.size(), field_names.size());
- results.emplace_back(vals[0]); // vals[0] is the benchmark name
- auto &entry = results.back();
+ results.emplace_back(vals[0]); // vals[0] is the benchmark name
+ auto& entry = results.back();
for (size_t i = 1, e = vals.size(); i < e; ++i) {
entry.values[field_names[i]] = vals[i];
}
}
// a quick'n'dirty csv splitter (eliminating quotes)
-std::vector< std::string > ResultsChecker::SplitCsv_(const std::string& line) {
- std::vector< std::string > out;
- if(line.empty()) return out;
- if(!field_names.empty()) out.reserve(field_names.size());
+std::vector<std::string> ResultsChecker::SplitCsv_(const std::string& line) {
+ std::vector<std::string> out;
+ if (line.empty()) return out;
+ if (!field_names.empty()) out.reserve(field_names.size());
size_t prev = 0, pos = line.find_first_of(','), curr = pos;
- while(pos != line.npos) {
+ while (pos != line.npos) {
CHECK(curr > 0);
- if(line[prev] == '"') ++prev;
- if(line[curr-1] == '"') --curr;
- out.push_back(line.substr(prev, curr-prev));
+ if (line[prev] == '"') ++prev;
+ if (line[curr - 1] == '"') --curr;
+ out.push_back(line.substr(prev, curr - prev));
prev = pos + 1;
pos = line.find_first_of(',', pos + 1);
curr = pos;
}
curr = line.size();
- if(line[prev] == '"') ++prev;
- if(line[curr-1] == '"') --curr;
- out.push_back(line.substr(prev, curr-prev));
+ if (line[prev] == '"') ++prev;
+ if (line[curr - 1] == '"') --curr;
+ out.push_back(line.substr(prev, curr - prev));
return out;
}
} // end namespace internal
-size_t AddChecker(const char* bm_name, ResultsCheckFn fn)
-{
- auto &rc = internal::GetResultsChecker();
+size_t AddChecker(const char* bm_name, ResultsCheckFn fn) {
+ auto& rc = internal::GetResultsChecker();
rc.Add(bm_name, fn);
return rc.results.size();
}
int Results::NumThreads() const {
auto pos = name.find("/threads:");
- if(pos == name.npos) return 1;
+ if (pos == name.npos) return 1;
auto end = name.find('/', pos + 9);
std::stringstream ss;
ss << name.substr(pos + 9, end);
@@ -303,19 +301,23 @@ int Results::NumThreads() const {
return num;
}
+double Results::NumIterations() const {
+ return GetAs<double>("iterations");
+}
+
double Results::GetTime(BenchmarkTime which) const {
CHECK(which == kCpuTime || which == kRealTime);
- const char *which_str = which == kCpuTime ? "cpu_time" : "real_time";
- double val = GetAs< double >(which_str);
+ const char* which_str = which == kCpuTime ? "cpu_time" : "real_time";
+ double val = GetAs<double>(which_str);
auto unit = Get("time_unit");
CHECK(unit);
- if(*unit == "ns") {
+ if (*unit == "ns") {
return val * 1.e-9;
- } else if(*unit == "us") {
+ } else if (*unit == "us") {
return val * 1.e-6;
- } else if(*unit == "ms") {
+ } else if (*unit == "ms") {
return val * 1.e-3;
- } else if(*unit == "s") {
+ } else if (*unit == "s") {
return val;
} else {
CHECK(1 == 0) << "unknown time unit: " << *unit;
@@ -333,7 +335,7 @@ TestCase::TestCase(std::string re, int rule)
substituted_regex(internal::PerformSubstitutions(regex_str)),
regex(std::make_shared<benchmark::Regex>()) {
std::string err_str;
- regex->Init(substituted_regex,& err_str);
+ regex->Init(substituted_regex, &err_str);
CHECK(err_str.empty()) << "Could not construct regex \"" << substituted_regex
<< "\""
<< "\n originally \"" << regex_str << "\""
@@ -367,7 +369,7 @@ int SetSubstitutions(
void RunOutputTests(int argc, char* argv[]) {
using internal::GetTestCaseList;
benchmark::Initialize(&argc, argv);
- auto options = benchmark::internal::GetOutputOptions(/*force_no_color*/true);
+ auto options = benchmark::internal::GetOutputOptions(/*force_no_color*/ true);
benchmark::ConsoleReporter CR(options);
benchmark::JSONReporter JR;
benchmark::CSVReporter CSVR;
@@ -416,7 +418,7 @@ void RunOutputTests(int argc, char* argv[]) {
// now that we know the output is as expected, we can dispatch
// the checks to subscribees.
- auto &csv = TestCases[2];
+ auto& csv = TestCases[2];
// would use == but gcc spits a warning
CHECK(std::strcmp(csv.name, "CSVReporter") == 0);
internal::GetResultsChecker().CheckResults(csv.out_stream);
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