ultimatepp/autotest/Bits/Bits.cpp

#include <Core/Core.h>

using namespace Upp;

CONSOLE_APP_MAIN
{
	StdLogSetup(LOG_COUT|LOG_FILE);

	{
		Bits h;
		Vector<bool> v;
		
		SeedRandom();
		
		for(int i = 0; i < 100000; i++) {
			int pos = Random(120000);
			bool b = Random() & 1;
			
			v.At(pos, false) = b;
			h.Set(pos, b);
		}
		
		Bits hh;
		String s = StoreAsString(h);
		LoadFromString(hh, s);
		LoadFromString(h, s);
		
		for(int i = 0; i < v.GetCount(); i++) {
			ASSERT(h.Get(i) == v[i]);
			ASSERT(hh.Get(i) == v[i]);
		}
	}
	
	{
		Bits r;
		dword *h = r.CreateRaw(2);
		*h = 0x4444;
		
		ASSERT(r.Get(0) == 0);
		ASSERT(r.Get(1) == 0);
		ASSERT(r.Get(2) == 1);
		ASSERT(r.Get(3) == 0);
		ASSERT(r.Get(4) == 0);
		ASSERT(r.Get(5) == 0);
		ASSERT(r.Get(6) == 1);
		
		r.Set(31, 1);
		ASSERT(*h == 0x80004444);
		
		int n;
		const dword *x = r.Raw(n);
		
		DUMP(n);
		ASSERT(n >= 2);
		ASSERT(*x == 0x80004444);
		
		r.Set(1000, 1);
		r.Raw(n);
		DUMP(n);
		r.Set(2000, 1);
		r.Raw(n);
		DUMP(n);
		r.Set(2000, 0);
		r.Shrink();
		ASSERT(*r.Raw(n) == 0x80004444);
		DUMP(n);
	}
	
	{
		Bits x;
		x.Set(4, 1);
		DUMP(x);
	}
	
	{
		Bits a, b;
		
		for(int i = 0; i < 20000; i++) {
			int   pos = Random(100000);
			dword value = Random();
			int   count = Random(33);
			
			a.Set(pos, value, count);
			
			ASSERT(a.Get(pos, count) == (value & (count == 32 ? (dword)-1 : (1 << count) - 1)));

			for(int i = 0; i < count; i++)
				b.Set(pos + i, value & (1 << i));
		}
		
		for(int i = 0; i < 100000; i++)
			ASSERT(a[i] == b[i]);
	}

	{
		Bits a, b;

		for(int i = 0; i < 20000; i++) {
			int   pos = Random(100000);
			uint64 value = MAKEQWORD(Random(), Random());
			int   count = Random(65);
			
			a.Set64(pos, value, count);

			ASSERT(a.Get64(pos, count) == (value & (count == 64 ? (uint64)-1 : ((uint64)1 << count) - 1)));

			for(int i = 0; i < count; i++)
				b.Set(pos + i, value & ((uint64)1 << i));
		}

		for(int i = 0; i < 100000; i++)
			ASSERT(a[i] == b[i]);
	}

	{
		Bits a, b;

		for(int i = 0; i < 20000; i++) {
			int   pos = Random(100000);
			bool  value = Random(2);
			int   count = Random(150);
			
			a.SetN(pos, value, count);

			for(int i = 0; i < count; i++)
				b.Set(pos + i, value);
		}

		for(int i = 0; i < 100000; i++)
			ASSERT(a[i] == b[i]);
	}
	
	LOG("--------- OK");
}