/rpython/rlib/test/test_rtimer.py
Python | 28 lines | 21 code | 5 blank | 2 comment | 1 complexity | ce1fbab9779f8ff2c4aa538a8954bc39 MD5 | raw file
- import time
- from rpython.rlib.rtimer import read_timestamp
- from rpython.rtyper.test.test_llinterp import interpret
- from rpython.translator.c.test.test_genc import compile
- def timer():
- t1 = read_timestamp()
- start = time.time()
- while time.time() - start < 0.1:
- # busy wait
- pass
- t2 = read_timestamp()
- return t2 - t1
- def test_timer():
- diff = timer()
- # We're counting ticks, verify they look correct
- assert diff > 1000
- def test_annotation():
- diff = interpret(timer, [])
- assert diff > 1000
- def test_compile_c():
- function = compile(timer, [])
- diff = function()
- assert diff > 1000