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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 Dreamhost
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "common/strtol.h"
#include <string>
#include <map>
#include "gtest/gtest.h"
static void test_strict_strtoll(const char *str, long long expected)
{
std::string err;
long long val = strict_strtoll(str, 10, &err);
if (!err.empty()) {
ASSERT_EQ(err, "");
}
else {
ASSERT_EQ(val, expected);
}
}
static void test_strict_strtol(const char *str, long expected)
{
std::string err;
long val = strict_strtol(str, 10, &err);
if (!err.empty()) {
ASSERT_EQ(err, "");
}
else {
ASSERT_EQ(val, expected);
}
}
static void test_strict_strtod(const char *str, double expected)
{
std::string err;
double val = strict_strtod(str, &err);
if (!err.empty()) {
ASSERT_EQ(err, "");
}
else {
// when comparing floats, use a margin of error
if ((expected - 0.001 > val) || (expected + 0.001 < val)) {
ASSERT_EQ(val, expected);
}
}
}
static void test_strict_strtof(const char *str, float expected)
{
std::string err;
float val = strict_strtof(str, &err);
if (!err.empty()) {
ASSERT_EQ(err, "");
}
else {
// when comparing floats, use a margin of error
if ((expected - 0.001 > val) || (expected + 0.001 < val)) {
ASSERT_EQ(val, expected);
}
}
}
TEST(StrToL, Simple1) {
test_strict_strtoll("123", 123);
test_strict_strtoll("0", 0);
test_strict_strtoll("-123", -123);
test_strict_strtoll("8796093022208", 8796093022208LL);
test_strict_strtoll("-8796093022208", -8796093022208LL);
test_strict_strtol("208", 208);
test_strict_strtol("-4", -4);
test_strict_strtol("0", 0);
test_strict_strtol("2147483646", 2147483646);
test_strict_strtof("0.05", 0.05);
test_strict_strtof("0", 0.0);
test_strict_strtof("-0", 0.0);
test_strict_strtof("10000000.5", 10000000.5);
test_strict_strtod("-0.2", -0.2);
test_strict_strtod("0.1", 0.1);
test_strict_strtod("0", 0.0);
}
static void test_strict_strtoll_err(const char *str)
{
std::string err;
strict_strtoll(str, 10, &err);
ASSERT_NE(err, "");
}
static void test_strict_strtol_err(const char *str)
{
std::string err;
strict_strtol(str, 10, &err);
ASSERT_NE(err, "");
}
static void test_strict_strtod_err(const char *str)
{
std::string err;
strict_strtod(str, &err);
ASSERT_NE(err, "");
}
static void test_strict_strtof_err(const char *str)
{
std::string err;
strict_strtof(str, &err);
ASSERT_NE(err, "");
}
TEST(StrToL, Error1) {
test_strict_strtoll_err("604462909807314587353088"); // overflow
test_strict_strtoll_err("aw shucks"); // invalid
test_strict_strtoll_err("343245 aw shucks"); // invalid chars at end
test_strict_strtol_err("35 aw shucks"); // invalid chars at end
test_strict_strtol_err("--0");
test_strict_strtod_err("345345.0-");
test_strict_strtod_err("34.0 garbo");
test_strict_strtof_err("0.05.0");
}
static void test_strict_sistrtoll(const char *str)
{
std::string err;
strict_sistrtoll(str, &err);
ASSERT_EQ(err, "");
}
static void test_strict_sistrtoll_units(const std::string& foo,
char u, const int m)
{
std::string s(foo);
s.push_back(u);
const char *str = s.c_str();
std::string err;
uint64_t r = strict_sistrtoll(str, &err);
ASSERT_EQ(err, "");
str = foo.c_str();
std::string err2;
long long tmp = strict_strtoll(str, 10, &err2);
ASSERT_EQ(err2, "");
tmp = (tmp << m);
ASSERT_EQ(tmp, (long long)r);
}
TEST(SIStrToLL, WithUnits) {
std::map<char,int> units;
units['B'] = 0;
units['K'] = 10;
units['M'] = 20;
units['G'] = 30;
units['T'] = 40;
units['P'] = 50;
units['E'] = 60;
for (std::map<char,int>::iterator p = units.begin();
p != units.end(); ++p) {
// the upper bound of uint64_t is 2^64 = 4E
test_strict_sistrtoll_units("4", p->first, p->second);
test_strict_sistrtoll_units("1", p->first, p->second);
test_strict_sistrtoll_units("0", p->first, p->second);
}
}
TEST(SIStrToLL, WithoutUnits) {
test_strict_sistrtoll("1024");
test_strict_sistrtoll("1152921504606846976");
test_strict_sistrtoll("0");
}
static void test_strict_sistrtoll_err(const char *str)
{
std::string err;
strict_sistrtoll(str, &err);
ASSERT_NE(err, "");
}
TEST(SIStrToLL, Error) {
test_strict_sistrtoll_err("1024F");
test_strict_sistrtoll_err("QDDSA");
test_strict_sistrtoll_err("1b");
test_strict_sistrtoll_err("100k");
test_strict_sistrtoll_err("1000m");
test_strict_sistrtoll_err("1g");
test_strict_sistrtoll_err("20t");
test_strict_sistrtoll_err("100p");
test_strict_sistrtoll_err("1000e");
test_strict_sistrtoll_err("B");
test_strict_sistrtoll_err("M");
test_strict_sistrtoll_err("BM");
test_strict_sistrtoll_err("B0wef");
test_strict_sistrtoll_err("0m");
test_strict_sistrtoll_err("-1"); // it returns uint64_t
test_strict_sistrtoll_err("-1K");
// the upper bound of uint64_t is 2^64 = 4E, so 1024E overflows
test_strict_sistrtoll_err("1024E"); // overflows after adding the suffix
}
/*
* Local Variables:
* compile-command: "cd .. ; make unittest_strtol && ./unittest_strtol"
* End:
*/
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