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Diffstat (limited to 'Lib/test/test_cProfile.py')
-rw-r--r-- | Lib/test/test_cProfile.py | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/Lib/test/test_cProfile.py b/Lib/test/test_cProfile.py deleted file mode 100644 index 913ed1a..0000000 --- a/Lib/test/test_cProfile.py +++ /dev/null @@ -1,129 +0,0 @@ -"""Test suite for the cProfile module.""" - -import cProfile, pstats, sys - -# In order to have reproducible time, we simulate a timer in the global -# variable 'ticks', which represents simulated time in milliseconds. -# (We can't use a helper function increment the timer since it would be -# included in the profile and would appear to consume all the time.) -ticks = 0 - -# IMPORTANT: this is an output test. *ALL* NUMBERS in the expected -# output are relevant. If you change the formatting of pstats, -# please don't just regenerate output/test_cProfile without checking -# very carefully that not a single number has changed. - -def test_main(): - global ticks - ticks = 42000 - prof = cProfile.Profile(timer, 0.001) - prof.runctx("testfunc()", globals(), locals()) - assert ticks == 43000, ticks - st = pstats.Stats(prof) - st.strip_dirs().sort_stats('stdname').print_stats() - st.print_callees() - st.print_callers() - -def timer(): - return ticks - -def testfunc(): - # 1 call - # 1000 ticks total: 270 ticks local, 730 ticks in subfunctions - global ticks - ticks += 99 - helper() # 300 - helper() # 300 - ticks += 171 - factorial(14) # 130 - -def factorial(n): - # 23 calls total - # 170 ticks total, 150 ticks local - # 3 primitive calls, 130, 20 and 20 ticks total - # including 116, 17, 17 ticks local - global ticks - if n > 0: - ticks += n - return mul(n, factorial(n-1)) - else: - ticks += 11 - return 1 - -def mul(a, b): - # 20 calls - # 1 tick, local - global ticks - ticks += 1 - return a * b - -def helper(): - # 2 calls - # 300 ticks total: 20 ticks local, 260 ticks in subfunctions - global ticks - ticks += 1 - helper1() # 30 - ticks += 2 - helper1() # 30 - ticks += 6 - helper2() # 50 - ticks += 3 - helper2() # 50 - ticks += 2 - helper2() # 50 - ticks += 5 - helper2_indirect() # 70 - ticks += 1 - -def helper1(): - # 4 calls - # 30 ticks total: 29 ticks local, 1 tick in subfunctions - global ticks - ticks += 10 - hasattr(C(), "foo") # 1 - ticks += 19 - lst = [] - lst.append(42) # 0 - sys.exc_info() # 0 - -def helper2_indirect(): - helper2() # 50 - factorial(3) # 20 - -def helper2(): - # 8 calls - # 50 ticks local: 39 ticks local, 11 ticks in subfunctions - global ticks - ticks += 11 - hasattr(C(), "bar") # 1 - ticks += 13 - subhelper() # 10 - ticks += 15 - -def subhelper(): - # 8 calls - # 10 ticks total: 8 ticks local, 2 ticks in subfunctions - global ticks - ticks += 2 - for i in range(2): # 0 - try: - C().foo # 1 x 2 - except AttributeError: - ticks += 3 # 3 x 2 - -class C: - def __getattr__(self, name): - # 28 calls - # 1 tick, local - global ticks - ticks += 1 - raise AttributeError - - -def test_main(): - from test.support import TestSkipped - raise TestSkipped('test_cProfile test is current broken') - - -if __name__ == "__main__": - test_main() |