Author: Yannick Jadoul <[email protected]>
Branch: py3.7-pep564
Changeset: r97935:7798b261cc60
Date: 2019-10-17 17:52 +0200
http://bitbucket.org/pypy/pypy/changeset/7798b261cc60/
Log: Added tests for nanosecond-resolution time functions
diff --git a/pypy/module/time/test/test_time.py
b/pypy/module/time/test/test_time.py
--- a/pypy/module/time/test/test_time.py
+++ b/pypy/module/time/test/test_time.py
@@ -28,12 +28,22 @@
def test_time(self):
import time
t1 = time.time()
- assert isinstance(time.time(), float)
- assert time.time() != 0.0 # 0.0 means failure
+ assert isinstance(t1, float)
+ assert t1 != 0.0 # 0.0 means failure
time.sleep(0.02)
t2 = time.time()
assert t1 != t2 # the resolution should be at least 0.01 secs
+ def test_time_ns(self):
+ import time
+ t1 = time.time_ns()
+ assert isinstance(t1, int)
+ assert t1 != 0 # 0 means failure
+ time.sleep(0.02)
+ t2 = time.time_ns()
+ assert t1 != t2 # the resolution should be at least 0.01 secs
+ assert abs(time.time() - time.time_ns() * 1e-9) < 0.1
+
def test_clock_realtime(self):
import time
if not hasattr(time, 'clock_gettime'):
@@ -44,6 +54,18 @@
t2 = time.clock_gettime(time.CLOCK_REALTIME)
assert t1 != t2
+ def test_clock_realtime_ns(self):
+ import time
+ if not hasattr(time, 'clock_gettime_ns'):
+ skip("need time.clock_gettime_ns()")
+ t1 = time.clock_gettime_ns(time.CLOCK_REALTIME)
+ assert isinstance(t1, int)
+ time.sleep(time.clock_getres(time.CLOCK_REALTIME))
+ t2 = time.clock_gettime_ns(time.CLOCK_REALTIME)
+ assert t1 != t2
+ assert abs(time.clock_gettime(time.CLOCK_REALTIME) -
+ time.clock_gettime_ns(time.CLOCK_REALTIME) * 1e-9) < 0.1
+
def test_clock_monotonic(self):
import time
if not (hasattr(time, 'clock_gettime') and
@@ -55,6 +77,19 @@
t2 = time.clock_gettime(time.CLOCK_MONOTONIC)
assert t1 < t2
+ def test_clock_monotonic_ns(self):
+ import time
+ if not (hasattr(time, 'clock_gettime_ns') and
+ hasattr(time, 'CLOCK_MONOTONIC')):
+ skip("need time.clock_gettime()/CLOCK_MONOTONIC")
+ t1 = time.clock_gettime_ns(time.CLOCK_MONOTONIC)
+ assert isinstance(t1, int)
+ time.sleep(time.clock_getres(time.CLOCK_MONOTONIC))
+ t2 = time.clock_gettime_ns(time.CLOCK_MONOTONIC)
+ assert t1 < t2
+ assert abs(time.clock_gettime(time.CLOCK_MONOTONIC) -
+ time.clock_gettime_ns(time.CLOCK_MONOTONIC) * 1e-9) < 0.1
+
def test_ctime(self):
import time
raises(TypeError, time.ctime, "foo")
@@ -396,10 +431,24 @@
t2 = time.monotonic()
assert t1 < t2
+ def test_monotonic_ns(self):
+ import time
+ t1 = time.monotonic_ns()
+ assert isinstance(t1, int)
+ time.sleep(0.02)
+ t2 = time.monotonic_ns()
+ assert t1 < t2
+ assert abs(time.monotonic() - time.monotonic_ns() * 1e-9) < 0.1
+
def test_perf_counter(self):
import time
assert isinstance(time.perf_counter(), float)
+ def test_perf_counter_ns(self):
+ import time
+ assert isinstance(time.perf_counter_ns(), int)
+ assert abs(time.perf_counter() - time.perf_counter_ns() * 1e-9) < 0.1
+
def test_process_time(self):
import time
t1 = time.process_time()
@@ -409,6 +458,16 @@
# process_time() should not include time spent during sleep
assert (t2 - t1) < 0.05
+ def test_process_time_ns(self):
+ import time
+ t1 = time.process_time_ns()
+ assert isinstance(t1, int)
+ time.sleep(0.1)
+ t2 = time.process_time_ns()
+ # process_time_ns() should not include time spent during sleep
+ assert (t2 - t1) < 5 * 10**7
+ assert abs(time.process_time() - time.process_time_ns() * 1e-9) < 0.1
+
def test_get_clock_info(self):
import time
clocks = ['clock', 'perf_counter', 'process_time', 'time']
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