get_framerate_test.cpp File Reference

#include <cmath>
#include <iostream>
#include <string>
#include "unit_common.h"
#include "utils/misc.h"

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Macros
#define	EPS   0.0049

Functions
int	get_framerate_test_2997 ()
int	get_framerate_test_3000 ()
int	get_framerate_test_free ()

Macro Definition Documentation

EPS

#define EPS   0.0049

for 10 FPS the difference between 10000/1000 and 10000/1001 is ~0.001 and this needs to be less than a half of that

Definition at line 15 of file get_framerate_test.cpp.

Referenced by get_framerate_test_2997(), get_framerate_test_3000(), and get_framerate_test_free().

Function Documentation

get_framerate_test_2997()

int get_framerate_test_2997

(

)

Definition at line 27 of file get_framerate_test.cpp.

{
        // approx
        ASSERT_EQUAL(30000, get_framerate_n(29.97));
        ASSERT_EQUAL(1001, get_framerate_d(29.97));
 
        // "exactly" 30000/1001
        ASSERT_EQUAL(30000, get_framerate_n(30000.0/1001));
        ASSERT_EQUAL(1001, get_framerate_d(30000.0/1001));
 
        // with epsilon
        ASSERT_EQUAL(30000, get_framerate_n(30000.0/1001 + EPS));
        ASSERT_EQUAL(30000, get_framerate_n(30000.0/1001 + EPS));
        ASSERT_EQUAL(1001, get_framerate_d(30000.0/1001 - EPS));
        ASSERT_EQUAL(1001, get_framerate_d(30000.0/1001 - EPS));
        return 0;
}

References ASSERT_EQUAL, EPS, get_framerate_d(), and get_framerate_n().

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get_framerate_test_3000()

int get_framerate_test_3000

(

)

Definition at line 45 of file get_framerate_test.cpp.

{
        ASSERT_EQUAL(30000, get_framerate_n(30));
        ASSERT_EQUAL(1000, get_framerate_d(30));
 
        ASSERT_EQUAL(30000, get_framerate_n(30 + EPS));
        ASSERT_EQUAL(1000, get_framerate_d(30 + EPS));
        ASSERT_EQUAL(30000, get_framerate_n(30 - EPS));
        ASSERT_EQUAL(1000, get_framerate_d(30 - EPS));
        return 0;
}

References ASSERT_EQUAL, EPS, get_framerate_d(), and get_framerate_n().

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get_framerate_test_free()

int get_framerate_test_free

(

)

Definition at line 57 of file get_framerate_test.cpp.

{
        for (int i = 10; i < 480; ++i) {
                // base 1000
                string num_str = to_string(i);
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(i));
                ASSERT_EQUAL_MESSAGE(num_str, 1000, get_framerate_d(i));
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(i + EPS));
                ASSERT_EQUAL_MESSAGE(num_str, 1000, get_framerate_d(i + EPS));
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(i - EPS));
                ASSERT_EQUAL_MESSAGE(num_str, 1000, get_framerate_d(i - EPS));
 
                // base 1001
                double num = i * 1000.0 / 1001.0;
                num_str = to_string(num);
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(num));
                ASSERT_EQUAL_MESSAGE(num_str, 1001, get_framerate_d(num));
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(num + EPS));
                ASSERT_EQUAL_MESSAGE(num_str, 1001, get_framerate_d(num + EPS));
                ASSERT_EQUAL_MESSAGE(num_str, i * 1000, get_framerate_n(num - EPS));
                ASSERT_EQUAL_MESSAGE(num_str, 1001, get_framerate_d(num - EPS));
 
                // halves
                num = i + 0.5;
                num_str = to_string(num);
                ASSERT_EQUAL_MESSAGE(num_str, (int) round(num * 1000), get_framerate_n(num));
                ASSERT_EQUAL_MESSAGE(num_str, 1000, get_framerate_d(num));
        }
        return 0;
}

References ASSERT_EQUAL_MESSAGE, EPS, get_framerate_d(), get_framerate_n(), and round().

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