A pygame test that looks at the behavior of the pygame.time.Clock.tick() function.

pygame_clock_test.py

import time
import pygame

FPSCLOCK = pygame.time.Clock()

def test_time():
    start = time.time()
    for i in range(100000):
        x = i + 5
        FPSCLOCK.tick(60)
    return 100000 / (time.time() - start)

def test_tick(tick = None):
    stop = time.time() + 1
    x = 0
    while time.time() < stop:
        x += 1
        if tick is None:
            FPSCLOCK.tick()
        else:
            FPSCLOCK.tick(tick)
    return x