Revision e6f85a9b9d56b2f76da6b934771928302571ab45 authored by Yichao Yu on 23 July 2015, 20:29:02 UTC, committed by Yichao Yu on 11 August 2015, 23:30:12 UTC
1 parent 58dc82f
lru_test.jl
# This file is a part of Julia. License is MIT: http://julialang.org/license
using LRUExample
TestLRU = LRUExample.UnboundedLRU{ASCIIString, ASCIIString}()
TestBLRU = LRUExample.BoundedLRU{ASCIIString, ASCIIString}(1000)
get_str(i) = ascii(vcat(map(x->[x>>4; x&0x0F], reinterpret(UInt8, [Int32(i)]))...))
isbounded{L<:LRUExample.LRU}(::Type{L}) = any(map(n->n==:maxsize, fieldnames(L)))
isbounded{L<:LRUExample.LRU}(l::L) = isbounded(L)
nmax = round(Int,logspace(2, 5, 4))
function lrutest()
#println("LRU consistency tests")
for lru in (TestLRU,TestBLRU)
for n in nmax
empty!(lru)
#@printf(" %s, %d items\n", lru, n)
#print(" Simple eviction: ")
for i in 1:n
str = get_str(i)
lru[str] = str
@assert lru.q[1].v == str
if isbounded(lru) && length(lru) >= lru.maxsize
tailstr = get_str(i-lru.maxsize+1)
@assert lru.q[end].v == tailstr
end
end
#println("pass")
#print(" Lookup, random access: ")
for i in 1:n
str = get_str(rand(1:n))
if haskey(lru, str) # the bounded LRUs can have cache misses
blah = lru[str]
@assert lru.q[1].v == blah
end
end
#println("pass")
end
empty!(lru)
end
end
lrutest()
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