/*
 * Copyright (C) 2008-2009 Stephan Aßmus <superstippi@gmx.de>
 * All rights reserved. Distributed under the terms of the MIT license.
 */

#include "RandomLineTest.h"

#include <stdio.h>

#include <View.h>

#include "TestSupport.h"


RandomLineTest::RandomLineTest()
        : Test(),
          fTestDuration(0),
          fTestStart(-1),

          fLinesRendered(0),
          fLinesPerIteration(100),

          fIterations(0),
          fMaxIterations(1500),

          fViewBounds(0, 0, -1, -1)
{
}


RandomLineTest::~RandomLineTest()
{
}


void
RandomLineTest::Prepare(BView* view)
{
        fViewBounds = view->Bounds();

        fTestDuration = 0;
        fLinesRendered = 0;
        fIterations = 0;
        fTestStart = system_time();
}

bool
RandomLineTest::RunIteration(BView* view)
{
        bigtime_t now = system_time();

        float vMiddle = (fViewBounds.top + fViewBounds.bottom) / 2;

        for (uint32 i = 0; i < fLinesPerIteration; i++) {
                view->SetHighColor(rand() % 255, rand() % 255, rand() % 255);

                BPoint a;
                a.x = random_number_between(fViewBounds.left, fViewBounds.right);
                a.y = random_number_between(fViewBounds.top, vMiddle);
                BPoint b;
                b.x = random_number_between(fViewBounds.left, fViewBounds.right);
                b.y = random_number_between(vMiddle, fViewBounds.bottom);

                view->StrokeLine(a, b);

                fLinesRendered++;
        }

        view->Sync();

        fTestDuration += system_time() - now;
        fIterations++;

        return fIterations < fMaxIterations;
}


void
RandomLineTest::PrintResults(BView* view)
{
        if (fTestDuration == 0) {
                printf("Test was not run.\n");
                return;
        }
        bigtime_t timeLeak = system_time() - fTestStart - fTestDuration;

        Test::PrintResults(view);

        printf("Lines per iteration: %lu\n", fLinesPerIteration);
        printf("Total lines rendered: %llu\n", fLinesRendered);
        printf("Lines per second: %.3f\n",
                fLinesRendered * 1000000.0 / fTestDuration);
        printf("Average time between iterations: %.4f seconds.\n",
                (float)timeLeak / fIterations / 1000000);
}


Test*
RandomLineTest::CreateTest()
{
        return new RandomLineTest();
}