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02fa340711
The non-GTest library will be shared by unittests of Flang and Flang-RT. Promote it as a regular library for use by both projects. In the long term, we may want to convert these to regular GTest checks to avoid having multiple testing frameworks.
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
#include "flang/Common/leading-zero-bit-count.h"
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#include "flang/Testing/testing.h"
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using Fortran::common::LeadingZeroBitCount;
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int main() {
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MATCH(64, LeadingZeroBitCount(std::uint64_t{0}));
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for (int j{0}; j < 64; ++j) {
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for (int k{0}; k < j; ++k) {
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std::uint64_t x = (std::uint64_t{1} << j) | (std::uint64_t{1} << k);
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MATCH(63 - j, LeadingZeroBitCount(x))("j=%d, k=%d", j, k);
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}
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}
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MATCH(32, LeadingZeroBitCount(std::uint32_t{0}));
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for (int j{0}; j < 32; ++j) {
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for (int k{0}; k < j; ++k) {
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std::uint32_t x = (std::uint32_t{1} << j) | (std::uint32_t{1} << k);
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MATCH(31 - j, LeadingZeroBitCount(x))("j=%d, k=%d", j, k);
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}
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}
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MATCH(16, LeadingZeroBitCount(std::uint16_t{0}));
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for (int j{0}; j < 16; ++j) {
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for (int k{0}; k < j; ++k) {
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std::uint16_t x = (std::uint16_t{1} << j) | (std::uint16_t{1} << k);
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MATCH(15 - j, LeadingZeroBitCount(x))("j=%d, k=%d", j, k);
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}
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}
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MATCH(8, LeadingZeroBitCount(std::uint8_t{0}));
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for (int j{0}; j < 8; ++j) {
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for (int k{0}; k < j; ++k) {
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std::uint8_t x = (std::uint8_t{1} << j) | (std::uint8_t{1} << k);
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MATCH(7 - j, LeadingZeroBitCount(x))("j=%d, k=%d", j, k);
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}
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}
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return testing::Complete();
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}
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