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#include "pch.h"
#include "gtest/gtest.h"
#include "Random.h"
TEST(RandomTests, RandomInRange) {
int random1 = Random::RandInt(0, 1 << 30);
int random2 = Random::RandInt(0, 1 << 30);
ASSERT_NE(random1, random2);
if (random1 > random2) std::swap(random1, random2);
int random3 = Random::RandInt(random1, random2);
ASSERT_GE(random3, random1);
ASSERT_LE(random3, random2);
}
TEST(RandomTests, SeedWorks) {
Random::SetSeed(0);
ASSERT_EQ(2531011, Random::RandInt(0, 1 << 30));
ASSERT_EQ(505908858, Random::RandInt(0, 1 << 30));
ASSERT_EQ(318135124, Random::RandInt(0, 1 << 30));
ASSERT_EQ(159719620, Random::RandInt(0, 1 << 30));
Random::SetSeed(0);
ASSERT_EQ(2531011, Random::RandInt(0, 1 << 30));
}
TEST(RandomTests, SeedChangesInitialValue) {
Random::SetSeed(0);
int random1 = Random::RandInt(0, 1 << 30);
Random::SetSeed(1);
int random2 = Random::RandInt(0, 1 << 30);
ASSERT_NE(random1, random2);
Random::SetSeed(2);
int random3 = Random::RandInt(0, 1 << 30);
ASSERT_NE(random3, random1);
ASSERT_NE(random3, random2);
}
TEST(RandomTests, EvenOdd) {
std::vector<int> outputs;
for (int i=0; i<100; i++) {
outputs.emplace_back(Random::RandInt(0, 1));
}
int k = 0;
}
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