libdpf/thirdparty/uint256_t/tests/testcases/accessors.cpp

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#include <gtest/gtest.h>
#include "uint256_t.h"
TEST(Accessor, bits){
uint256_t value = 1;
for(uint32_t i = 0; i < 127; i++){
EXPECT_EQ(value.bits(), i + 1); // before shift
value <<= 1;
}
EXPECT_EQ(uint256_t(0).bits(), 0);
}
TEST(Accessor, data){
const uint256_t value(0xfedcba9876543210ULL, 0x0123456789abcdefULL, 0xfedcba9876543210ULL, 0x0123456789abcdefULL);
EXPECT_EQ(value.upper().upper(), 0xfedcba9876543210ULL);
EXPECT_EQ(value.upper().lower(), 0x0123456789abcdefULL);
EXPECT_EQ(value.lower().upper(), 0xfedcba9876543210ULL);
EXPECT_EQ(value.lower().lower(), 0x0123456789abcdefULL);
}