%description:
Test cHasher, the class for calculating simulation fingerprints.

%global:

unsigned int randint32(cModule *mod)
{
    return mod->intuniform(0,65535) | (mod->intuniform(0,65535) << 16);
}

uint64_t randint64(cModule *mod)
{
    return randint32(mod) | ((int64_t)randint32(mod) << 32);
}

%activity:
cHasher hasher;

#define HASH(n,type,expr) \
    { \
        cHasher tmp; \
        for (int i=0; i<n; i++) {type x = expr; tmp.add(x); hasher.add(x); } \
        EV << #type << ": " << tmp.str() << "\n"; \
    }

EV << "rng start: " << intrand(1000000) << "\n";

// signed integers
HASH(100, char,  intuniform(-128,127));
HASH(100, short, intuniform(-32768, 32767));
HASH(100, int,   (int)randint32(this));
HASH(100, long,  (long)(int)randint32(this));
HASH(100, int64_t, (int64_t)randint64(this));

// unsigned integers
HASH(100, unsigned short, intuniform(-32768, 32767));
HASH(100, unsigned int,   (unsigned int)randint32(this));
HASH(100, unsigned long,  (unsigned long)randint32(this));
HASH(100, uint64_t,         (uint64_t)randint64(this));

// double
HASH(100, double, (dblrand()-0.5)*2e100);

// string
HASH(1, const char *, "");
HASH(1, const char *, "H");
HASH(1, const char *, "He");
HASH(1, const char *, "Hel");
HASH(1, const char *, "Hell");
HASH(1, const char *, "Hello");
HASH(1, const char *, "Hello ");
HASH(1, const char *, "Hello W");
HASH(1, const char *, "Hello Wo");
HASH(1, const char *, "Hello Worl");
HASH(1, const char *, "Hello World");
HASH(1, const char *, "\x80\xcc\xff");

//TODO add(const char *s, size_t len)

EV << "cumulative: " << hasher.str() << "\n";

EV << ".\n";

%contains: stdout
rng start: 985772
char: ca08-9f13
short: 4f4f-727f
int: 0c64-463b
long: a787-9cac
int64_t: c8eb-4418
unsigned short: f1c9-fa54
unsigned int: 266b-2736
unsigned long: 0cc2-da08
uint64_t: 927b-52b4
double: 626b-a100
const char *: 0000-0000
const char *: 0000-0048
const char *: 0000-6548
const char *: 006c-6548
const char *: d8d8-ca90
const char *: d8d8-caff
const char *: d8d8-eaff
const char *: d88f-eaff
const char *: 6f1f-d5ff
const char *: 6f1f-b98d
const char *: 6f7b-b98d
const char *: ffff-ff80
cumulative: f5b3-1835
.