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Randomize tests so travis-ci tests can check for existing failures

dev
Nick Terrell 2016-09-01 16:39:45 -07:00
parent 0c28f62d26
commit 2b0830b067
1 changed files with 11 additions and 2 deletions
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13
contrib/pzstd/test/PzstdTest.cpp
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@ -15,17 +15,22 @@
#include <cstddef> #include <cstddef>
#include <cstdio> #include <cstdio>
#include <memory> #include <memory>
#include <random>
using namespace std; using namespace std;
using namespace pzstd; using namespace pzstd;
TEST(Pzstd, SmallSizes) { TEST(Pzstd, SmallSizes) {
unsigned seed = std::random_device{}();
std::fprintf(stderr, "Pzstd.SmallSizes seed: %u\n", seed);
std::mt19937 gen(seed);
for (unsigned len = 1; len < 1028; ++len) { for (unsigned len = 1; len < 1028; ++len) {
std::string inputFile = std::tmpnam(nullptr); std::string inputFile = std::tmpnam(nullptr);
auto guard = makeScopeGuard([&] { std::remove(inputFile.c_str()); }); auto guard = makeScopeGuard([&] { std::remove(inputFile.c_str()); });
{ {
static uint8_t buf[1028]; static uint8_t buf[1028];
RDG_genBuffer(buf, len, 0.5, 0.0, 42); RDG_genBuffer(buf, len, 0.5, 0.0, gen());
auto fd = std::fopen(inputFile.c_str(), "wb"); auto fd = std::fopen(inputFile.c_str(), "wb");
auto written = std::fwrite(buf, 1, len, fd); auto written = std::fwrite(buf, 1, len, fd);
std::fclose(fd); std::fclose(fd);
@ -56,12 +61,16 @@ TEST(Pzstd, SmallSizes) {
} }
TEST(Pzstd, LargeSizes) { TEST(Pzstd, LargeSizes) {
unsigned seed = std::random_device{}();
std::fprintf(stderr, "Pzstd.LargeSizes seed: %u\n", seed);
std::mt19937 gen(seed);
for (unsigned len = 1 << 20; len <= (1 << 24); len *= 2) { for (unsigned len = 1 << 20; len <= (1 << 24); len *= 2) {
std::string inputFile = std::tmpnam(nullptr); std::string inputFile = std::tmpnam(nullptr);
auto guard = makeScopeGuard([&] { std::remove(inputFile.c_str()); }); auto guard = makeScopeGuard([&] { std::remove(inputFile.c_str()); });
{ {
std::unique_ptr<uint8_t[]> buf(new uint8_t[len]); std::unique_ptr<uint8_t[]> buf(new uint8_t[len]);
RDG_genBuffer(buf.get(), len, 0.5, 0.0, 42); RDG_genBuffer(buf.get(), len, 0.5, 0.0, gen());
auto fd = std::fopen(inputFile.c_str(), "wb"); auto fd = std::fopen(inputFile.c_str(), "wb");
auto written = std::fwrite(buf.get(), 1, len, fd); auto written = std::fwrite(buf.get(), 1, len, fd);
std::fclose(fd); std::fclose(fd);