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remove some noises in tests (#16448)

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flywind 2020-12-27 07:45:57 -06:00 • committed by GitHub
commit 271f68259b
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17 changed files with 140 additions and 181 deletions
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55
tests/stdlib/tmath.nim
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@ -1,18 +1,6 @@
discard """
action: run
output: '''
[Suite] random int
[Suite] random float
[Suite] cumsum
[Suite] random sample
[Suite] ^
'''
matrix:"; -d:nimTmathCase2 -d:danger --passc:-ffast-math"
matrix:"; -d:nimTmathCase2 -d:danger --passc:-ffast-math"
"""
# xxx: fix bugs for js then add: targets:"c js"
@ -21,22 +9,22 @@ import math, random, os
import unittest
import sets, tables
suite "random int":
test "there might be some randomness":
block: # random int
block: # there might be some randomness
var set = initHashSet[int](128)
for i in 1..1000:
incl(set, rand(high(int)))
check len(set) == 1000
test "single number bounds work":
block: # single number bounds work
var rand: int
for i in 1..1000:
rand = rand(1000)
check rand < 1000
check rand > -1
test "slice bounds work":
block: # slice bounds work
var rand: int
for i in 1..1000:
rand = rand(100..1000)
@ -45,8 +33,8 @@ suite "random int":
else:
check rand < 1000
check rand >= 100
test " again gives new numbers":
block: # again gives new numbers
var rand1 = rand(1000000)
when not defined(js):
os.sleep(200)
@ -55,28 +43,29 @@ suite "random int":
check rand1 != rand2
suite "random float":
test "there might be some randomness":
block: # random float
block: # there might be some randomness
var set = initHashSet[float](128)
for i in 1..100:
incl(set, rand(1.0))
check len(set) == 100
test "single number bounds work":
block: # single number bounds work
var rand: float
for i in 1..1000:
rand = rand(1000.0)
check rand < 1000.0
check rand > -1.0
test "slice bounds work":
block: # slice bounds work
var rand: float
for i in 1..1000:
rand = rand(100.0..1000.0)
check rand < 1000.0
check rand >= 100.0
test " again gives new numbers":
block: # again gives new numbers
var rand1:float = rand(1000000.0)
when not defined(js):
@ -85,27 +74,27 @@ suite "random float":
var rand2:float = rand(1000000.0)
check rand1 != rand2
suite "cumsum":
test "cumsum int seq return":
block: # cumsum
block: # cumsum int seq return
let counts = [ 1, 2, 3, 4 ]
check counts.cumsummed == [ 1, 3, 6, 10 ]
test "cumsum float seq return":
block: # cumsum float seq return
let counts = [ 1.0, 2.0, 3.0, 4.0 ]
check counts.cumsummed == [ 1.0, 3.0, 6.0, 10.0 ]
test "cumsum int in-place":
block: # cumsum int in-place
var counts = [ 1, 2, 3, 4 ]
counts.cumsum
check counts == [ 1, 3, 6, 10 ]
test "cumsum float in-place":
block: # cumsum float in-place
var counts = [ 1.0, 2.0, 3.0, 4.0 ]
counts.cumsum
check counts == [ 1.0, 3.0, 6.0, 10.0 ]
suite "random sample":
test "non-uniform array sample unnormalized int CDF":
block: # random sample
block: # "non-uniform array sample unnormalized int CDF
let values = [ 10, 20, 30, 40, 50 ] # values
let counts = [ 4, 3, 2, 1, 0 ] # weights aka unnormalized probabilities
var histo = initCountTable[int]()
@ -127,7 +116,7 @@ suite "random sample":
let stdDev = sqrt(n * p * (1.0 - p))
check abs(float(histo[values[i]]) - expected) <= 3.0 * stdDev
test "non-uniform array sample normalized float CDF":
block: # non-uniform array sample normalized float CDF
let values = [ 10, 20, 30, 40, 50 ] # values
let counts = [ 0.4, 0.3, 0.2, 0.1, 0 ] # probabilities
var histo = initCountTable[int]()
@ -146,8 +135,8 @@ suite "random sample":
# NOTE: like unnormalized int CDF test, P(wholeTestFails) =~ 0.01.
check abs(float(histo[values[i]]) - expected) <= 3.0 * stdDev
suite "^":
test "compiles for valid types":
block: # ^
block: # compiles for valid types
check: compiles(5 ^ 2)
check: compiles(5.5 ^ 2)
check: compiles(5.5 ^ 2.int8)