36 lines
685 B
C++
36 lines
685 B
C++
#include <gtest/gtest.h>
|
|
#include "blobstore/implementations/onblocks/utils/Math.h"
|
|
|
|
#include <limits>
|
|
|
|
using namespace blobstore::onblocks::utils;
|
|
using ::testing::Test;
|
|
using std::numeric_limits;
|
|
|
|
class CeilLogTest: public Test {};
|
|
|
|
TEST_F(CeilLogTest, Log3_1) {
|
|
EXPECT_EQ(0, ceilLog(3, 1));
|
|
}
|
|
|
|
TEST_F(CeilLogTest, Log3_2) {
|
|
EXPECT_EQ(1, ceilLog(3, 2));
|
|
}
|
|
|
|
TEST_F(CeilLogTest, Log3_3) {
|
|
EXPECT_EQ(1, ceilLog(3, 3));
|
|
}
|
|
|
|
TEST_F(CeilLogTest, Log3_4) {
|
|
EXPECT_EQ(2, ceilLog(3, 4));
|
|
}
|
|
|
|
TEST_F(CeilLogTest, 64bit) {
|
|
uint64_t value = UINT64_C(1024)*1024*1024*1024;
|
|
EXPECT_GT(value, std::numeric_limits<uint32_t>::max());
|
|
EXPECT_EQ(4u, ceilLog(UINT64_C(1024), value));
|
|
}
|
|
|
|
|
|
//TODO ...
|