import std.stdio;
import std.datetime;
import std.range;
import std.conv;
import std.string;

//import std.regex;
//import core.thread; //Thread.sleep(dur!("seconds")(1));
const SEC_CONV  = 0.0000001;
const MAX_RANGE = 1000000;

__gshared string[int] table;
shared static this()
{
    foreach (i; 0 .. MAX_RANGE)
        table[i] = to!string(i);
}

long print_start(string s)
{
    write(format(s, MAX_RANGE));
    stdout.flush();
    return Clock.currStdTime();
}

void print_end(long start)
{
    writef("%.3fs\n", (Clock.currStdTime() - start) * SEC_CONV);
}

void test_dict()
{
    //[2012-04-05] set 2.251s get 1.957s clear 0.000s
    long start;
    string[string] d;
    string s;
    write("---- test_dict -----\n");

    start = print_start("test dict set (%d)...\t");

    for (int i = 0; i < MAX_RANGE; i++)
    {
        //~ s    = to!string(i);
        s    = hash[i];;
        d[s] = s;
    }

    print_end(start);

    start = print_start("test dict get (%d)...\t");

    for (int i = 0; i < MAX_RANGE; i++)
    {
        s = d[hash[i]];
    }

    print_end(start);

    start = print_start("test dict clear (%d)...\t");
    d.clear();
    print_end(start);
}

void test_list()
{
    //[2012-04-05] set 0.085s get 0.007s each 0.014s
    long start;
    long j;
    long[] l;
    write("---- test_list -----\n");

    start = print_start("test list set (%d)...\t");

    for (int i = 0; i < MAX_RANGE; i++)
    {
        l ~= i;
    }

    print_end(start);

    start = print_start("test list get (%d)...\t");

    for (int i = 0; i < MAX_RANGE; i++)
    {
        j = l[i];
    }

    print_end(start);

    start = print_start("test list each (%d)...\t");

    for (int i = 0; i < l.length; i++)
    {
        j = l[i];
    }

    print_end(start);
}

void test_str()
{
    //[2012-04-05] find 1.254s replace 1.870s
    long   start;
    long   j;
    const  s = "1143534=69789+35435^(100&10+5)";
    const  rep_before = "35";
    const  rep_after  = "3535";
    string ss;
    write("---- test_str -----\n");

    start = print_start("test str find (%d)...\t");

    for (int i = 0; i < MAX_RANGE; i++)
    {
        j = s.indexOf(hash[i]);
    }

    print_end(start);

    start = print_start("test str replace (%d)...\t");

    for (int i = 0; i < MAX_RANGE / 2; i++)
    {
        ss = s.replace(rep_before, rep_after);
        ss = ss.replace(rep_after, rep_before);
    }

    print_end(start);
}

void main()
{
    test_dict();
    test_list();
    test_str();
}