805825fa81
Remove the legacy 'special' distribution, because it was unscientific and hard to explain. Pareto and Zipfian distributions provide more clearly defined alternatives.
66 lines
2.6 KiB
Perl
66 lines
2.6 KiB
Perl
########################################################################
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PRNG Lua API tests
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########################################################################
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$ SB_ARGS="--verbosity=0 --events=1"
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$ cat >$CRAMTMP/api_rand.lua <<EOF
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> ffi.cdef[[int printf(const char *fmt, ...);]]
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> function init()
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> -- Ensure a consistent sort order...
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> mod_funcs = {}
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> for f in pairs(sysbench.rand) do
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> table.insert(mod_funcs, f)
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> end
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> table.sort(mod_funcs)
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> for i, f in ipairs(mod_funcs) do
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> print(string.format("sysbench.rand.%s", f))
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> end
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> end
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> function event()
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> print("sysbench.rand.default(0, 99) = " .. sysbench.rand.default(0, 99))
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> print("sysbench.rand.unique(0, 4294967295) = " .. sysbench.rand.unique(0, 4294967295))
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> ffi.C.printf("sysbench.rand.uniform_uint64() = %llu\n", sysbench.rand.uniform_uint64())
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> print([[sysbench.rand.string("abc-###-@@@-xyz") = ]] .. sysbench.rand.string("abc-###-@@@-xyz"))
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> print([[sysbench.rand.varstring(1, 23) = ]] .. sysbench.rand.varstring(1, 23))
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> print("sysbench.rand.uniform(0, 99) = " .. sysbench.rand.uniform(0, 99))
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> print("sysbench.rand.gaussian(0, 99) = " .. sysbench.rand.gaussian(0, 99))
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> print("sysbench.rand.pareto(0, 99) = " .. sysbench.rand.pareto(0, 99))
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> print("sysbench.rand.zipfian(0, 99) = " .. sysbench.rand.zipfian(0, 99))
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> end
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> EOF
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$ sysbench $SB_ARGS $CRAMTMP/api_rand.lua run
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sysbench.rand.default
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sysbench.rand.gaussian
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sysbench.rand.pareto
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sysbench.rand.string
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sysbench.rand.uniform
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sysbench.rand.uniform_double
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sysbench.rand.uniform_uint64
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sysbench.rand.unique
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sysbench.rand.varstring
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sysbench.rand.zipfian
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sysbench.rand.default\(0, 99\) = [0-9]{1,2} (re)
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sysbench.rand.unique\(0, 4294967295\) = [0-9]{1,10} (re)
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sysbench.rand.uniform_uint64\(\) = [0-9]+ (re)
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sysbench.rand.string\(".*"\) = abc-[0-9]{3}-[a-z]{3}-xyz (re)
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sysbench.rand.varstring\(1, 23\) = [0-z]{1,23} (re)
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sysbench.rand.uniform\(0, 99\) = [0-9]{1,2} (re)
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sysbench.rand.gaussian\(0, 99\) = [0-9]{1,2} (re)
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sysbench.rand.pareto\(0, 99\) = [0-9]{1,2} (re)
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sysbench.rand.zipfian\(0, 99\) = [0-9]{1,2} (re)
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########################################################################
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GH-96: sb_rand_uniq(1, oltp_table_size) generate duplicate value
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########################################################################
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$ cat >$CRAMTMP/api_rand_uniq.lua <<EOF
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> function event()
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> print(sysbench.rand.unique())
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> end
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> EOF
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$ sysbench $SB_ARGS --events=100000 $CRAMTMP/api_rand_uniq.lua run |
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> sort -n | uniq | wc -l | sed -e 's/ //g'
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100000
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