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#
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import psutil

from selenium import webdriver


def testLaunchAndCloseBrowserWithoutLeakingCookieTempFileDescriptor():

    # psutil module is used to get num open file descritors across platforms
    p = psutil.Process()

    num_fds_samples = []

    driver = webdriver.PhantomJS()
    driver.quit()

    num_fds_samples.append(p.num_fds())

    driver = webdriver.PhantomJS()
    driver.quit()

    num_fds_samples.append(p.num_fds())

    driver = webdriver.PhantomJS()
    driver.quit()

    num_fds_samples.append(p.num_fds())

    assert max(num_fds_samples) == min(num_fds_samples)
