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#include <Main.h>
#include <Input.h>
#include <Output.h>
#include <Buffer.h>
#include <BStream.h>
#include <ZHandle.h>
#ifdef _WIN32
void ctime_r(const time_t * t, char * str) {
#ifdef _MSVC
ctime_s(str, 32, t);
#else
strcpy(str, ctime(t));
#endif
}
#endif
// this may look weird for a dumb test, but I always
// struggle to remember this formula, so I'm going
// to put it here as a "data generator" and then
// I'll know where to find it if I ever need it.
class DiscreteCos {
public:
DiscreteCos() { generate(); }
static const unsigned int DC_2PI = 2048;
static const unsigned int DC_PI = 1024;
static const unsigned int DC_PI2 = 512;
int32_t cos(unsigned int t) {
t %= DC_2PI;
int32_t r;
if (t < DC_PI2) {
r = m_cosTable[t];
} else if (t < DC_PI) {
r = -m_cosTable[DC_PI - 1 - t];
} else if (t < (DC_PI + DC_PI2)) {
r = -m_cosTable[t - DC_PI];
} else {
r = m_cosTable[DC_2PI - 1 - t];
}
return r;
}
// sin(x) = cos(x - pi / 2)
int32_t sin(unsigned int t) {
t %= DC_2PI;
if (t < DC_PI2)
return cos(t + DC_2PI - DC_PI2);
return cos(t - DC_PI2);
}
private:
int32_t m_cosTable[512] = {
16777216, // 2^24 * cos(0 * 2pi / 2048)
16777137, // 2^24 * cos(1 * 2pi / 2048) = C = f(1)
};
// f(n) = cos(n * 2pi / 2048)
// f(n) = 2 * f(1) * f(n - 1) - f(n - 2)
void generate() {
int64_t C = m_cosTable[1];
for (int i = 2; i < 512; i++)
m_cosTable[i] = ((C * m_cosTable[i - 1]) >> 23) - m_cosTable[i - 2];
m_cosTable[511] = 0;
}
};
DiscreteCos dc;
using namespace Balau;
void MainTask::Do() {
Printer::log(M_STATUS, "Test::Handles running.");
bool failed = false;
try {
IO<Input> i(new Input("SomeInexistantFile.txt"));
i->open();
}
catch (ENoEnt e) {
failed = true;
}
TAssert(failed);
IO<Input> i(new Input("tests/rtest.txt"));
i->open();
Printer::log(M_STATUS, "Opened file %s:", i->getName());
Printer::log(M_STATUS, " - size = %" PRIi64, i->getSize());
char mtimestr[32];
time_t mtime = i->getMTime();
ctime_r(&mtime, mtimestr);
char * nl = strrchr(mtimestr, '\n');
if (nl)
*nl = 0;
Printer::log(M_STATUS, " - mtime = %li (%s)", mtime, mtimestr);
off_t s = i->rtell();
TAssert(s == 0);
i->rseek(0, SEEK_END);
s = i->rtell();
TAssert(s == i->getSize());
i->rseek(0, SEEK_SET);
char * buf1 = (char *) malloc(i->getSize());
ssize_t r = i->read(buf1, s + 15);
Printer::log(M_STATUS, "Read %zi bytes (instead of %" PRIi64 ")", r, s + 15);
TAssert(i->isEOF())
char * buf2 = (char *) malloc(i->getSize());
i->rseek(0, SEEK_SET);
TAssert(!i->isEOF());
TAssert(i->rtell() == 0);
r = i->read(buf2, 5);
TAssert(r == 5);
TAssert(i->rtell() == 5);
r = i->read(buf2 + 5, s - 5);
TAssert(r == (s - 5));
TAssert(memcmp(buf1, buf2, s) == 0);
IO<Output> o(new Output("tests/out.txt"));
o->open();
s = o->wtell();
TAssert(s == 0);
s = o->getSize();
TAssert(s == 0);
o->writeString("foo\n");
IO<Handle> b(new Buffer());
s = b->rtell();
TAssert(s == 0);
s = b->wtell();
TAssert(s == 0);
b->writeString("foo\n");
s = b->rtell();
TAssert(s == 0);
s = b->wtell();
TAssert(s == 4);
b->writeString("bar\r\n");
s = b->rtell();
TAssert(s == 0);
s = b->wtell();
TAssert(s == 9);
b->writeString("eof");
s = b->rtell();
TAssert(s == 0);
s = b->wtell();
TAssert(s == 12);
IO<BStream> strm(new BStream(b));
String str;
str = strm->readString();
TAssert(str == "foo");
str = strm->readString();
TAssert(str == "bar");
str = strm->readString();
TAssert(str == "eof");
s = b->rtell();
TAssert(s == 12);
TAssert(b->isEOF());
{
IO<Output> o(new Output("tests/out.z"));
o->open();
IO<ZStream> z(new ZStream(o));
z->detach();
z->writeString("foobar\n");
}
{
IO<Output> o(new Output("tests/out.gz"));
o->open();
IO<ZStream> z(new ZStream(o, Z_BEST_COMPRESSION, ZStream::GZIP));
z->detach();
z->writeString("foobar\n");
}
{
IO<Output> o(new Output("tests/out.raw"));
o->open();
IO<ZStream> z(new ZStream(o, Z_BEST_COMPRESSION, ZStream::RAW));
z->detach();
z->writeString("foobar\n");
}
{
IO<Input> i(new Input("tests/out.z"));
i->open();
IO<ZStream> z(new ZStream(i));
IO<BStream> s(new BStream(z));
z->detach();
s->detach();
String f = s->readString();
TAssert(f == "foobar");
}
{
IO<Input> i(new Input("tests/out.gz"));
i->open();
IO<ZStream> z(new ZStream(i, Z_BEST_COMPRESSION, ZStream::GZIP));
IO<BStream> s(new BStream(z));
z->detach();
s->detach();
String f = s->readString();
TAssert(f == "foobar");
}
{
IO<Input> i(new Input("tests/out.raw"));
i->open();
IO<ZStream> z(new ZStream(i, Z_BEST_COMPRESSION, ZStream::RAW));
IO<BStream> s(new BStream(z));
z->detach();
s->detach();
String f = s->readString();
TAssert(f == "foobar");
}
Printer::log(M_STATUS, "Test::Handles passed.");
}
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