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gbench-stream/benchmark/test/string_util_gtest.cc
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string_util_gtest.cc
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//===---------------------------------------------------------------------===//
// statistics_test - Unit tests for src/statistics.cc
//===---------------------------------------------------------------------===//
#include "../src/internal_macros.h"
#include "../src/string_util.h"
#include "gtest/gtest.h"
namespace {
TEST(StringUtilTest, stoul) {
{
size_t pos = 0;
EXPECT_EQ(0ul, benchmark::stoul("0", &pos));
EXPECT_EQ(1ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(7ul, benchmark::stoul("7", &pos));
EXPECT_EQ(1ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(135ul, benchmark::stoul("135", &pos));
EXPECT_EQ(3ul, pos);
}
#if ULONG_MAX == 0xFFFFFFFFul
{
size_t pos = 0;
EXPECT_EQ(0xFFFFFFFFul, benchmark::stoul("4294967295", &pos));
EXPECT_EQ(10ul, pos);
}
#elif ULONG_MAX == 0xFFFFFFFFFFFFFFFFul
{
size_t pos = 0;
EXPECT_EQ(0xFFFFFFFFFFFFFFFFul,
benchmark::stoul("18446744073709551615", &pos));
EXPECT_EQ(20ul, pos);
}
#endif
{
size_t pos = 0;
EXPECT_EQ(10ul, benchmark::stoul("1010", &pos, 2));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(520ul, benchmark::stoul("1010", &pos, 8));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(1010ul, benchmark::stoul("1010", &pos, 10));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(4112ul, benchmark::stoul("1010", &pos, 16));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(0xBEEFul, benchmark::stoul("BEEF", &pos, 16));
EXPECT_EQ(4ul, pos);
}
#ifndef BENCHMARK_HAS_NO_EXCEPTIONS
{ ASSERT_THROW(benchmark::stoul("this is a test"), std::invalid_argument); }
#endif
}
TEST(StringUtilTest, stoi){{size_t pos = 0;
EXPECT_EQ(0, benchmark::stoi("0", &pos));
EXPECT_EQ(1ul, pos);
} // namespace
{
size_t pos = 0;
EXPECT_EQ(-17, benchmark::stoi("-17", &pos));
EXPECT_EQ(3ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(1357, benchmark::stoi("1357", &pos));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(10, benchmark::stoi("1010", &pos, 2));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(520, benchmark::stoi("1010", &pos, 8));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(1010, benchmark::stoi("1010", &pos, 10));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(4112, benchmark::stoi("1010", &pos, 16));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(0xBEEF, benchmark::stoi("BEEF", &pos, 16));
EXPECT_EQ(4ul, pos);
}
#ifndef BENCHMARK_HAS_NO_EXCEPTIONS
{ ASSERT_THROW(benchmark::stoi("this is a test"), std::invalid_argument); }
#endif
}
TEST(StringUtilTest, stod){{size_t pos = 0;
EXPECT_EQ(0.0, benchmark::stod("0", &pos));
EXPECT_EQ(1ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(-84.0, benchmark::stod("-84", &pos));
EXPECT_EQ(3ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(1234.0, benchmark::stod("1234", &pos));
EXPECT_EQ(4ul, pos);
}
{
size_t pos = 0;
EXPECT_EQ(1.5, benchmark::stod("1.5", &pos));
EXPECT_EQ(3ul, pos);
}
{
size_t pos = 0;
/* Note: exactly representable as double */
EXPECT_EQ(-1.25e+9, benchmark::stod("-1.25e+9", &pos));
EXPECT_EQ(8ul, pos);
}
#ifndef BENCHMARK_HAS_NO_EXCEPTIONS
{ ASSERT_THROW(benchmark::stod("this is a test"), std::invalid_argument); }
#endif
}
TEST(StringUtilTest, StrSplit) {
EXPECT_EQ(benchmark::StrSplit("", ','), std::vector<std::string>{});
EXPECT_EQ(benchmark::StrSplit("hello", ','),
std::vector<std::string>({"hello"}));
EXPECT_EQ(benchmark::StrSplit("hello,there,is,more", ','),
std::vector<std::string>({"hello", "there", "is", "more"}));
}
} // end namespace
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