Merge #10321: Use FastRandomContext for all tests

e94584858 scripted-diff: Use new naming style for insecure_rand* functions (Pieter Wuille)
2fcd9cc86 scripted-diff: Use randbits/bool instead of randrange where possible (Pieter Wuille)
2ada67852 Use randbits instead of ad-hoc emulation in prevector tests (Pieter Wuille)
5f0b04eed Replace rand() & ((1 << N) - 1) with randbits(N) (Pieter Wuille)
3ecabae36 Replace more rand() % NUM by randranges (Pieter Wuille)
efee1db21 scripted-diff: use insecure_rand256/randrange more (Pieter Wuille)
1119927df Add various insecure_rand wrappers for tests (Pieter Wuille)
124d13a58 Merge test_random.h into test_bitcoin.h (Pieter Wuille)
90620d66c scripted-diff: Rename cuckoo tests' local rand context (Pieter Wuille)
37e864eb9 Add FastRandomContext::rand256() and ::randbytes() (Pieter Wuille)

Tree-SHA512: d09705a3ec718ae792f7d66a75401903ba7b9c9d3fc36669d6e3b9242f0194738106be26baefc8a8e3fa6df7c9a35978c71c0c430278a028b331df23a3ea3070
This commit is contained in:
Pieter Wuille
2017-06-07 14:59:41 -07:00
26 changed files with 202 additions and 190 deletions

View File

@ -5,7 +5,6 @@
#include "chain.h"
#include "util.h"
#include "test/test_bitcoin.h"
#include "test/test_random.h"
#include <vector>
@ -35,8 +34,8 @@ BOOST_AUTO_TEST_CASE(skiplist_test)
}
for (int i=0; i < 1000; i++) {
int from = insecure_rand() % (SKIPLIST_LENGTH - 1);
int to = insecure_rand() % (from + 1);
int from = InsecureRandRange(SKIPLIST_LENGTH - 1);
int to = InsecureRandRange(from + 1);
BOOST_CHECK(vIndex[SKIPLIST_LENGTH - 1].GetAncestor(from) == &vIndex[from]);
BOOST_CHECK(vIndex[from].GetAncestor(to) == &vIndex[to]);
@ -78,7 +77,7 @@ BOOST_AUTO_TEST_CASE(getlocator_test)
// Test 100 random starting points for locators.
for (int n=0; n<100; n++) {
int r = insecure_rand() % 150000;
int r = InsecureRandRange(150000);
CBlockIndex* tip = (r < 100000) ? &vBlocksMain[r] : &vBlocksSide[r - 100000];
CBlockLocator locator = chain.GetLocator(tip);
@ -116,7 +115,7 @@ BOOST_AUTO_TEST_CASE(findearliestatleast_test)
} else {
// randomly choose something in the range [MTP, MTP*2]
int64_t medianTimePast = vBlocksMain[i].GetMedianTimePast();
int r = insecure_rand() % medianTimePast;
int r = InsecureRandRange(medianTimePast);
vBlocksMain[i].nTime = r + medianTimePast;
vBlocksMain[i].nTimeMax = std::max(vBlocksMain[i].nTime, vBlocksMain[i-1].nTimeMax);
}
@ -135,7 +134,7 @@ BOOST_AUTO_TEST_CASE(findearliestatleast_test)
// Verify that FindEarliestAtLeast is correct.
for (unsigned int i=0; i<10000; ++i) {
// Pick a random element in vBlocksMain.
int r = insecure_rand() % vBlocksMain.size();
int r = InsecureRandRange(vBlocksMain.size());
int64_t test_time = vBlocksMain[r].nTime;
CBlockIndex *ret = chain.FindEarliestAtLeast(test_time);
BOOST_CHECK(ret->nTimeMax >= test_time);