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887b53b7f3
The bro_prng() implementation cannot generate 0 as a result since it causes every subsequent number from the PRNG to also be 0, so use the number 1 instead of 0.
87 lines
1.5 KiB
Text
87 lines
1.5 KiB
Text
#
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# @TEST-EXEC: zeek -b %INPUT >out
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# @TEST-EXEC: zeek -b %INPUT do_seed=F >out.2
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# @TEST-EXEC: unset ZEEK_SEED_FILE && zeek -b %INPUT real_random=T >out.3
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# @TEST-EXEC: for i in $(seq 21); do echo 0 >>random-zero.seed; done
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# @TEST-EXEC: ZEEK_SEED_FILE=random-zero.seed zeek -b %INPUT >out.4
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# @TEST-EXEC: btest-diff out
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# @TEST-EXEC: btest-diff out.2
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# @TEST-EXEC: btest-diff out.3
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# @TEST-EXEC: btest-diff out.4
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const do_seed = T &redef;
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const real_random = F &redef;
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event zeek_init()
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{
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if ( real_random )
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return;
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local a = rand(1000);
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local b = rand(1000);
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local c = rand(1000);
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print a;
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print b;
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print c;
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if ( do_seed )
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srand(575);
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local d = rand(1000);
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local e = rand(1000);
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local f = rand(1000);
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print d;
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print e;
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print f;
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local i = 0;
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local max = 3;
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while ( i < 100 )
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{
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local rn = rand(max);
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if ( rn >= max )
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print fmt("ERROR: rand returned value greater than %s: %s",
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max, rn);
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i += 1;
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}
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}
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event zeek_init() &priority=-10
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{
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if ( ! real_random )
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return;
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local v1: vector of count = vector();
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local v2: vector of count = vector();
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local i = 0;
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while ( i < 20 )
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{
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v1 += rand(65535);
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i += 1;
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}
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i = 0;
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while ( i < 20 )
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{
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v2 += rand(65535);
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i += 1;
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}
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# Note: this is expected to be F with high probability, but
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# technically could all be the same because, well, that's a
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# valid "random" sequence, too
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print all_set(v1 == v2);
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if ( all_set(v1 == v2) )
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{
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print v1;
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print v2;
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}
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}
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