#!/usr/bin/python

from __future__ import print_function
from time import time
from instant import build_module, import_module

_t = None
def tic():
    global _t
    _t = -time()

def toc(msg=""):
    t = time() + _t
    print("t = %f  (%s)" % (t, msg))
    return t

c_code = """
double sum(double a, double b)
{
  return a+b;
}
"""

# Time a few builds
tic()
module = build_module(code=c_code)
t1 = toc("first build")

tic()
module = build_module(code=c_code)
t2 = toc("second build")

tic()
module = build_module(code=c_code)
t3 = toc("third build")

assert t1 > t2
assert t1 > t3

