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tests: Randomize the context with probability 15/16 instead of 1/4 #1122

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Jul 11, 2022
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tests: Randomize the context with probability 15/16 instead of 1/4 #1122

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8 changes: 6 additions & 2 deletions src/tests.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7086,11 +7086,15 @@ int main(int argc, char **argv) {
run_context_tests(0);
run_context_tests(1);
run_scratch_tests();

ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
if (secp256k1_testrand_bits(1)) {
/* Randomize the context only with probability 15/16
to make sure we test without context randomization from time to time.
TODO Reconsider this when recalibrating the tests. */
if (secp256k1_testrand_bits(4)) {
unsigned char rand32[32];
secp256k1_testrand256(rand32);
CHECK(secp256k1_context_randomize(ctx, secp256k1_testrand_bits(1) ? rand32 : NULL));
CHECK(secp256k1_context_randomize(ctx, rand32));
}

run_rand_bits();
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