Sine_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 dependency graph for Sine_UnitTest.cc:

Go to the source code of this file.

Functions
void	Sine_UnitTest ()
Variables
static const char *	THIS_FILE = "Sine_UnitTest.cc"
static const float64	GAMMA = 1.5e-14

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Function Documentation

void Sine_UnitTest

(

)

Definition at line 51 of file Sine_UnitTest.cc.

References Nsound::Buffer::abs(), Nsound::Generator::drawLine(), GAMMA, Nsound::Generator::generate(), Nsound::Generator::generate2(), Nsound::Buffer::getMax(), Nsound::Buffer::plot(), Nsound::Generator::setChorus(), Nsound::Generator::setSeed(), SUCCESS, TEST_ERROR_HEADER, TEST_HEADER, and THIS_FILE.

Referenced by main().

{
    cout << endl << THIS_FILE;

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

    Sine sine(600);

    Buffer freqs;
    Buffer phase;

    freqs << sine.drawLine(1.0, 0.0, 10.0);
    phase << sine.drawLine(1.0, 0.0, 1.0);

    cout << TEST_HEADER << "Testing Sine::generate(1.0, 3.0) ...";

    Buffer data = sine.generate(1.0, 3.0);

    // Create the gold file
//~    data >> "gold/Sine_1.wav";

    Buffer gold;

    gold << "gold/Sine_1.wav";

    Buffer diff = data - gold;

    Buffer abs_diff(diff);
    abs_diff.abs();

    if(abs_diff.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;

    // Test 3.5 Hz wave
    cout << TEST_HEADER << "Testing Sine::generate(1.0, freqs) ...";

    data = sine.generate(1.0, freqs);

    // Create the gold file
//~    data >> "gold/Sine_2.wav";

    gold = Buffer();

    gold << "gold/Sine_2.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;

    // Test dynamic
    cout << TEST_HEADER << "Testing Sine::generate2(1.0, 3.0, 0.5) ...";

    data = sine.generate2(1.0, 3.0, 0.5);

    // Create the gold file
//~    data >> "gold/Sine_3.wav";

    gold = Buffer();

    gold << "gold/Sine_3.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;

    // Test dynamic
    cout << TEST_HEADER << "Testing Sine::generate2(1.0, 3.0, phase) ...";

    data = sine.generate2(1.0, 3.0, phase);

    // Create the gold file
//~    data >> "gold/Sine_4.wav";

    gold = Buffer();

    gold << "gold/Sine_4.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;

    // Test dynamic
    cout << TEST_HEADER << "Testing Sine::generate2(1.0, freqs, 0.5) ...";

    data = sine.generate2(1.0, freqs, 0.5);

    // Create the gold file
//~    data >> "gold/Sine_5.wav";

    gold = Buffer();

    gold << "gold/Sine_5.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;

    // Test dynamic
    cout << TEST_HEADER << "Testing Sine::generate2(1.0, freqs, phase) ...";

    data = sine.generate2(1.0, freqs, phase);

    // Create the gold file
//~    data >> "gold/Sine_6.wav";

    gold = Buffer();

    gold << "gold/Sine_6.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;

    // Test dynamic
    cout << TEST_HEADER << "Testing Sine::setChorus(5,0.10) ...";

    sine.setSeed(6846513); // Some random seed I typed in.

    sine.setChorus(5, 0.10);

    data = sine.generate2(1.0, 2*freqs, phase);

    // Create the gold file
//~    data >> "gold/Sine_7.wav";

    gold = Buffer();

    gold << "gold/Sine_7.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    if(abs_diff.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;
}

---

Variable Documentation

const char* THIS_FILE = "Sine_UnitTest.cc" [static]

Definition at line 47 of file Sine_UnitTest.cc.

const float64 GAMMA = 1.5e-14 [static]

Definition at line 49 of file Sine_UnitTest.cc.