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

#include "HorizontalLineTest.h"

#include <stdio.h>

#include <View.h>

#include "TestSupport.h"


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

          fLinesRendered(0),

          fIterations(0),
          fMaxIterations(1500),

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


HorizontalLineTest::~HorizontalLineTest()
{
}


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

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

bool
HorizontalLineTest::RunIteration(BView* view)
{
        float y = 1;

        bigtime_t now = system_time();

        while (true) {
                view->StrokeLine(BPoint(fViewBounds.left + 1, y),
                        BPoint(fViewBounds.right - 1, y));

                fLinesRendered++;

                // offset text location
                y += 2;
                if (y > fViewBounds.bottom)
                        break;
        }

        view->Sync();

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

        return fIterations < fMaxIterations;
}


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

        Test::PrintResults(view);

        printf("Line width: %ld\n", fViewBounds.IntegerWidth() + 1 - 2);
        printf("Lines per iteration: %ld\n", fViewBounds.IntegerHeight() / 2);
        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*
HorizontalLineTest::CreateTest()
{
        return new HorizontalLineTest();
}