#include "jl_mem.h"
#include "jl_test.h"
#include "sample.h"

static void test_load_free()
{
    JL_TEST_FUNC;
    Sample s;
    sample_load(&s, "test-files/sound.flac", 1.0, 8);

    // Check length.
    int len = 71750 + 8;
    len -= len % 8;
    JL_FAIL_IF(s.len != len, "Incorrect length.");

    // Check that data is normalized.
    float max = 0;
    for(int i = 0; i < s.len; ++i) {
        if(s.L[i] > max) {
            max = s.L[i];
        } else if(-s.L[i] > max) {
            max = -s.L[i];
        }
        if(s.R[i] > max) {
            max = s.R[i];
        } else if(-s.R[i] > max) {
            max = -s.R[i];
        }
    }
    JL_FAIL_IF(max != 1.0, "Data not normalized.");
    sample_free(&s);
}

static void test_playback_speed()
{
    JL_TEST_FUNC;
    Sample s1;
    Sample s2;
    sample_load(&s1, "test-files/sound.flac", 1.0, 0);
    sample_load(&s2, "test-files/sound.flac", 0.5, 0);
    JL_FAIL_IF(2 * s1.len != s2.len, "Incorrect lengths.");
    for(int i = 0; i < s1.len; ++i) {
        JL_FAIL_IF(s1.L[i] != s2.L[2*i], "Incorrect data.");
        JL_FAIL_IF(s1.R[i] != s2.R[2*i], "Incorrect data.");
    }
    sample_free(&s1);
    sample_free(&s2);
}

int main(int argc, char **argv)
{
    JL_LEAK_CHECK_INIT;
    test_load_free();
    test_playback_speed();
    return 0;
}