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Use randbits instead of ad-hoc emulation in prevector tests

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This commit is contained in:
Pieter Wuille 2017-05-23 16:14:51 -07:00
parent 5f0b04eedc
commit 2ada678521
1 changed files with 16 additions and 18 deletions
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34
src/test/prevector_tests.cpp
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@ -198,32 +198,31 @@ BOOST_AUTO_TEST_CASE(PrevectorTestInt)
for (int j = 0; j < 64; j++) { for (int j = 0; j < 64; j++) {
prevector_tester<8, int> test; prevector_tester<8, int> test;
for (int i = 0; i < 2048; i++) { for (int i = 0; i < 2048; i++) {
int r = insecure_rand(); if (insecure_randbits(2) == 0) {
if ((r % 4) == 0) {
test.insert(insecure_randrange(test.size() + 1), insecure_rand()); test.insert(insecure_randrange(test.size() + 1), insecure_rand());
} }
if (test.size() > 0 && ((r >> 2) % 4) == 1) { if (test.size() > 0 && insecure_randbits(2) == 1) {
test.erase(insecure_randrange(test.size())); test.erase(insecure_randrange(test.size()));
} }
if (((r >> 4) % 8) == 2) { if (insecure_randbits(3) == 2) {
int new_size = std::max<int>(0, std::min<int>(30, test.size() + (insecure_randrange(5)) - 2)); int new_size = std::max<int>(0, std::min<int>(30, test.size() + (insecure_randrange(5)) - 2));
test.resize(new_size); test.resize(new_size);
} }
if (((r >> 7) % 8) == 3) { if (insecure_randbits(3) == 3) {
test.insert(insecure_randrange(test.size() + 1), 1 + insecure_randrange(2), insecure_rand()); test.insert(insecure_randrange(test.size() + 1), 1 + insecure_randrange(2), insecure_rand());
} }
if (((r >> 10) % 8) == 4) { if (insecure_randbits(3) == 4) {
int del = std::min<int>(test.size(), 1 + (insecure_randrange(2))); int del = std::min<int>(test.size(), 1 + (insecure_randrange(2)));
int beg = insecure_randrange(test.size() + 1 - del); int beg = insecure_randrange(test.size() + 1 - del);
test.erase(beg, beg + del); test.erase(beg, beg + del);
} }
if (((r >> 13) % 16) == 5) { if (insecure_randbits(4) == 5) {
test.push_back(insecure_rand()); test.push_back(insecure_rand());
} }
if (test.size() > 0 && ((r >> 17) % 16) == 6) { if (test.size() > 0 && insecure_randbits(4) == 6) {
test.pop_back(); test.pop_back();
} }
if (((r >> 21) % 32) == 7) { if (insecure_randbits(5) == 7) {
int values[4]; int values[4];
int num = 1 + (insecure_randrange(4)); int num = 1 + (insecure_randrange(4));
for (int k = 0; k < num; k++) { for (int k = 0; k < num; k++) {
@ -231,34 +230,33 @@ BOOST_AUTO_TEST_CASE(PrevectorTestInt)
} }
test.insert_range(insecure_randrange(test.size() + 1), values, values + num); test.insert_range(insecure_randrange(test.size() + 1), values, values + num);
} }
if (((r >> 26) % 32) == 8) { if (insecure_randbits(5) == 8) {
int del = std::min<int>(test.size(), 1 + (insecure_randrange(4))); int del = std::min<int>(test.size(), 1 + (insecure_randrange(4)));
int beg = insecure_randrange(test.size() + 1 - del); int beg = insecure_randrange(test.size() + 1 - del);
test.erase(beg, beg + del); test.erase(beg, beg + del);
} }
r = insecure_rand(); if (insecure_randbits(5) == 9) {
if (r % 32 == 9) {
test.reserve(insecure_randrange(32)); test.reserve(insecure_randrange(32));
} }
if ((r >> 5) % 64 == 10) { if (insecure_randbits(6) == 10) {
test.shrink_to_fit(); test.shrink_to_fit();
} }
if (test.size() > 0) { if (test.size() > 0) {
test.update(insecure_randrange(test.size()), insecure_rand()); test.update(insecure_randrange(test.size()), insecure_rand());
} }
if (((r >> 11) % 1024) == 11) { if (insecure_randbits(10) == 11) {
test.clear(); test.clear();
} }
if (((r >> 21) % 512) == 12) { if (insecure_randbits(9) == 12) {
test.assign(insecure_randrange(32), insecure_rand()); test.assign(insecure_randrange(32), insecure_rand());
} }
if (((r >> 15) % 8) == 3) { if (insecure_randbits(3) == 3) {
test.swap(); test.swap();
} }
if (((r >> 15) % 16) == 8) { if (insecure_randbits(4) == 8) {
test.copy(); test.copy();
} }
if (((r >> 15) % 32) == 18) { if (insecure_randbits(5) == 18) {
test.move(); test.move();
} }
} }