danicoin/external/glim/test_gstring.cc

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#include "gstring.hpp"
using glim::gstring;
#include <assert.h>
#include <stdlib.h>
#include <iostream>
#include <string>
#include <stdexcept>
#include <sstream>
#include <unordered_map>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/case_conv.hpp>
static void testIterators();
static void testBoost();
static void testStrftime();
int main () {
std::cout << "Testing gstring.hpp ... " << std::flush;
gstring gs;
if (gs.needsFreeing()) throw std::runtime_error ("Default gstring needsFreeing");
if (gs.capacity() != 1) throw std::runtime_error ("Default gstring capacity is not 1");
char buf16[16];
gstring gs16 (sizeof (buf16), buf16, false, 0);
if (gs16.capacity() != 16) throw std::runtime_error ("gs16 capacity != 16");
if (gs16.size() != 0) throw std::runtime_error ("gs16 size != 0");
gstring gsFree (17, NULL, true, 0);
if (!gsFree.needsFreeing()) throw std::runtime_error ("!needsFreeing");
if (gsFree.capacity() != 16) throw std::runtime_error ("gsFree capacity != 16");
if (gsFree.size() != 0) throw std::runtime_error ("gsFree size != 0");
gstring gsRO (0, NULL, false, 0);
if (gsRO.needsFreeing()) throw std::runtime_error ("needsFreeing");
if (gsRO.capacity() != 1) throw std::runtime_error ("gsRO capacity != 1");
if (gsRO.size() != 0) throw std::runtime_error ("gsRO size != 0");
char buf32[32];
gstring gs32 (sizeof (buf32), buf32, false, 0);
if (gs32.capacity() != 32) throw std::runtime_error ("capacity != 32");
if (gs32.size() != 0) throw std::runtime_error ("gs32 size != 0");
const gstring foo = C2GSTRING ("foo");
if (foo.needsFreeing()) throw std::runtime_error ("foo needsFreeing");
if (foo != "foo") throw std::runtime_error ("foo != foo");
if (foo.size() != 3) throw std::runtime_error ("foo not 3");
std::ostringstream oss; oss << gs16 << gsFree << gsRO << gs32 << foo;
if (oss.str() != "foo") throw std::runtime_error ("oss foo != foo");
glim::gstring_stream gss (gs16); std::ostream gsos (&gss);
gsos << "bar" << std::flush;
if (gs16 != "bar") throw std::runtime_error ("gs16 != bar");
gsos << "beer" << std::flush;
if (gs16 != "barbeer") throw std::runtime_error ("gs16 != barbeer");
gsos << "123456789" << std::flush;
if (gs16 != "barbeer123456789") throw std::runtime_error ("gs16 != barbeer123456789");
if (gs16.capacity() != 16) throw std::runtime_error ("gs16 != 16");
gsos << '0' << std::flush;
if (gs16 != "barbeer1234567890") throw std::runtime_error ("gs16 != barbeer1234567890");
if (gs16.capacity() != 32) throw std::runtime_error ("gs16 != 32");
gstring gsb; std::string str ("abc");
gsb << 'a' << 1 << 2LL << str;
std::string ns ("1:3,"); std::istringstream nsi (ns);
gsb.readNetstring (nsi);
if (gsb != "a12abc3") throw std::runtime_error ("gsb != a12abc3");
if (strcmp (gsb.c_str(), "a12abc3") != 0) throw std::runtime_error ("strcmp ! 0");
gsb.clear().appendNetstring ("foo") .appendNetstring ("bar");
if (gsb != "3:foo,3:bar,") throw std::runtime_error ("gsb != 3:foo,3:bar,");
uint32_t pos = 0;
if (gsb.netstringAt (pos, &pos) != "foo" || gsb.netstringAt (pos, &pos) != "bar" || pos != gsb.length())
throw std::runtime_error ("gsb !netstringAt");
gs32.clear() << 12345 << ',';
if (gs32.intAt (0, &pos) != 12345 || pos != 5) throw std::runtime_error ("gsb !12345");
if (gs32.intAt (1, &pos) != 2345 || pos != 5) throw std::runtime_error ("gsb !2345");
if (gs32.intAt (5, &pos) != 0 || pos != 5) throw std::runtime_error ("gsb !0");
if ((gs32.clear() << 123).erase (0) != "23") throw std::runtime_error ("!23");
if ((gs32.clear() << 123).erase (1) != "13") throw std::runtime_error ("!13");
if ((gs32.clear() << 123).erase (2) != "12") throw std::runtime_error ("!12");
std::unordered_map<glim::gstring, int> map;
map[glim::gstring ("foo")] = 1;
glim::gstring bar ("bar");
map[bar] = 1;
map[glim::gstring ("sum")] = map[glim::gstring ("foo")] + map[glim::gstring ("bar")];
if (map[glim::gstring ("sum")] != 2) throw std::runtime_error ("sum != 2");
map.clear();
gstring gs1 ("foo"); gstring gs2 ("bar");
gs1 = gstring (gs2 << "_"); // Copying in order to malloc length() bytes.
if (gs1 != "bar_") throw std::runtime_error ("!bar_");
if (gs1.capacity() != 1) throw std::runtime_error ("bar_ != 4");
testIterators();
testBoost();
testStrftime();
std::cout << "pass." << std::endl;
return 0;
}
static void testIterators() {
gstring foo (C2GSTRING ("foo"));
gstring buf; for (auto it = foo.begin(), end = foo.end(); it != end; ++it) buf << *it;
assert (buf == "foo");
assert (boost::starts_with (foo, "f") && boost::ends_with (foo, "oo"));
}
static void testBoost() {
gstring str (" foo\t\r\n");
boost::trim (str);
assert (str == "foo");
gstring up ("FOO"); boost::to_lower (up);
assert (up == "foo");
}
static void testStrftime() {
time_t tim = time(0); struct tm ltime; memset (&ltime, 0, sizeof ltime); if (!localtime_r (&tim, &ltime)) GTHROW ("!localtime_r");
GSTRING_ON_STACK (t1, 8); assert (t1.capacity() == 8);
t1.appendTime ("", &ltime); assert (t1 == "");
t1.appendTime ("foo %a, %d %b %Y %T %z bar", &ltime);
assert (t1.capacity() > 8); // Capacity increased to account for the large string.
assert (boost::starts_with (t1, "foo "));
assert (boost::ends_with (t1, " bar"));
GSTRING_ON_STACK (t2, 8); assert (t2.capacity() == 8);
t2.appendTime ("%H", &ltime);
assert (t2.capacity() == 8); // 8 is big enought, isn't it?
assert (t2.intAt (0) == ltime.tm_hour); // NB: intAt is safe here because strftime adds an uncounted null-terminator.
}