BufferResample_UnitTest.cc File Reference

#include <Nsound/Buffer.h>
#include <Nsound/Plotter.h>
#include <Nsound/Sine.h>
#include <Nsound/Wavefile.h>
#include "UnitTest.h"
#include <cmath>
#include <stdlib.h>
#include <iostream>
#include <sstream>

Include dependency graph for BufferResample_UnitTest.cc:

Go to the source code of this file.

Macros
#define	THIS_FILE   "BufferResample_UnitTest.cc"
#define	GAMMA   1.5e-14

Functions
void	BufferResample_UnitTest ()

Macro Definition Documentation

#define THIS_FILE   "BufferResample_UnitTest.cc"

Definition at line 49 of file BufferResample_UnitTest.cc.

Referenced by BufferResample_UnitTest().

#define GAMMA   1.5e-14

Definition at line 50 of file BufferResample_UnitTest.cc.

Referenced by BufferResample_UnitTest().

Function Documentation

void BufferResample_UnitTest

(

)

Definition at line 52 of file BufferResample_UnitTest.cc.

References GAMMA, Nsound::Generator::generate(), Nsound::Buffer::getAbs(), Nsound::Buffer::getLength(), Nsound::Buffer::getMax(), Nsound::Buffer::getResample(), Nsound::Buffer::plot(), Nsound::Wavefile::setDefaultSampleSize(), Nsound::Wavefile::setIEEEFloat(), Nsound::Plotter::show(), SUCCESS, TEST_ERROR_HEADER, TEST_HEADER, and THIS_FILE.

Referenced by main().

{
    cout << endl << THIS_FILE;

    Wavefile::setDefaultSampleSize(64);
    Wavefile::setIEEEFloat(true);

    static const uint32 LM[4] = { 2,3,5,7 };

    Sine   sin(150);

    Buffer input = sin.generate(1.0, 3.0);

    cout << TEST_HEADER << "Testing Buffer:getResample(L,M) ...";

    Buffer data;
    Buffer gold;
    Buffer diff;

    std::stringstream ss;

    for(uint32 i  = 1; i <= 4; ++i)
    {

        std::string gold_filename;

        ss.str("");
        ss << "gold/BufferResample_out_" << i << "_" << LM[i-1] << ".wav";

        data = input.getResample(i, LM[i-1]);

        // Create gold file
//~        data >> ss.str().c_str();

        gold = Buffer(ss.str().c_str());

        diff = data - gold;

        if(gold.getLength() != data.getLength() ||
           diff.getAbs().getMax() > GAMMA)
        {
            cerr << TEST_ERROR_HEADER
                 << "Output did not match gold file!"
                 << endl;

            diff.plot("data - gold");
            data.plot("data");
            gold.plot("gold");

            Plotter::show();

            exit(1);
        }

        // Reverse L & M
        ss.str("");
        ss << "gold/BufferResample_out_" << LM[i-1] << "_" << i << ".wav";

        data = input.getResample(LM[i-1], i);

        // Create gold file
//~        data >> ss.str().c_str();

        gold = Buffer(ss.str().c_str());

        diff = data - gold;

        if(gold.getLength() != data.getLength() ||
           diff.getAbs().getMax() > GAMMA)
        {
            cerr << TEST_ERROR_HEADER
                 << "Output did not match gold file!"
                 << endl;

            diff.plot("data - gold");
            data.plot("data");
            gold.plot("gold");

            Plotter::show();

            exit(1);
        }

    }

    cout << SUCCESS << endl;
}