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test: add ShortCode test suite

master
Dnomd343 9 months ago
parent
commit
3982b6ddf7
  1. 131
      src/core/short_code/convert.cc
  2. 1
      src/core_test/CMakeLists.txt
  3. 41
      src/core_test/codec/common_code.cc
  4. 224
      src/core_test/codec/short_code.cc

131
src/core/short_code/convert.cc

@ -13,6 +13,45 @@ using klotski::codec::offset::RANGE_PREFIX_OFFSET;
namespace klotski {
namespace codec {
/// FIXME: temporarily used to implement tidy conversion
static uint32_t check_range(uint32_t head, uint32_t range) noexcept {
/// M_1x1 | M_1x2 | M_2x1 | M_2x2
/// 1 0 0 0 | 1 1 0 0 | 1 0 0 0 | 1 1 0 0
/// 0 0 0 0 | 0 0 0 0 | 1 0 0 0 | 1 1 0 0
/// ... | ... | ... | ...
constexpr uint32_t M_1x1 = 0b1;
constexpr uint32_t M_1x2 = 0b11;
constexpr uint32_t M_2x1 = 0b10001;
constexpr uint32_t M_2x2 = 0b110011;
uint32_t offset = 1;
uint32_t tmp = M_2x2 << head; // fill 2x2 block
for (int addr = 0; range; range >>= 2, ++offset) { // traverse every 2-bits
while ((tmp >> addr) & 0b1) {
++addr; // search next unfilled block
}
switch (range & 0b11) {
case 0b00: /// space
case 0b11: /// 1x1 block
tmp |= M_1x1 << addr; // fill space or 1x1 block
break;
case 0b10: /// 2x1 block
if (addr > 15 || tmp >> (addr + 4) & 0b1) { // invalid address
return offset; // broken block number
}
tmp |= M_2x1 << addr; // fill 2x1 block
break;
case 0b01: /// 1x2 block
if ((addr & 0b11) == 0b11 || tmp >> (addr + 1) & 0b1) { // invalid address
return offset; // broken block number
}
tmp |= M_1x2 << addr; // fill 1x2 block
break;
}
}
return 0; // pass check
}
/// Convert CommonCode to ShortCode based on AllCases data.
uint32_t ShortCode::fast_encode(uint64_t common_code) noexcept {
auto head = common_code >> 32;
@ -28,64 +67,56 @@ uint64_t ShortCode::fast_decode(uint32_t short_code) noexcept {
return (head << 32) | AllCases::instance().fetch()[head][short_code - *offset];
}
/// NOTE: ensure that input common code is valid!
uint32_t ShortCode::tiny_encode(uint64_t common_code) noexcept { // common code --> short code
/// load head index and range prefix
// uint32_t head = common_code >> 32;
// uint32_t prefix = (common_code >> 20) & 0xFFF;
/// Convert CommonCode to ShortCode based on BasicRanges data.
uint32_t ShortCode::tiny_encode(uint64_t common_code) noexcept {
uint32_t head = common_code >> 32;
uint32_t prefix = (common_code >> 20) & 0xFFF;
/// search for target range
// uint32_t offset = 0;
// auto index = BASIC_RANGES_OFFSET[prefix];
// const auto &basic_ranges = BasicRanges::fetch();
// auto target = Common::range_reverse((uint32_t)common_code); // target range
// for (; index < basic_ranges.size(); ++index) {
// auto broken_offset = Common::check_range(head, basic_ranges[index]);
// if (!broken_offset) { // valid case
// if (basic_ranges[index] == target) {
// break; // found target range
// }
// ++offset; // record sub offset
// } else {
// auto delta = (uint32_t)1 << (32 - broken_offset * 2); // delta to next possible range
// auto next_min = (Common::range_reverse(basic_ranges[index]) & ~(delta - 1)) + delta;
// while (Common::range_reverse(basic_ranges[++index]) < next_min); // located next range
// --index;
// }
// }
// return ALL_CASES_OFFSET[head] + RANGE_PREFIX_OFFSET[head][prefix] + offset;
uint32_t offset = 0;
auto index = BASIC_RANGES_OFFSET[prefix];
const auto &basic_ranges = BasicRanges::instance().fetch();
auto target = range_reverse((uint32_t)common_code); // target range
for (; index < basic_ranges.size(); ++index) {
auto broken_offset = check_range(head, basic_ranges[index]);
if (!broken_offset) { // valid case
if (basic_ranges[index] == target) {
break; // found target range
}
++offset; // record sub offset
} else {
auto delta = (uint32_t)1 << (32 - broken_offset * 2); // delta to next possible range
auto next_min = (range_reverse(basic_ranges[index]) & ~(delta - 1)) + delta;
while (range_reverse(basic_ranges[++index]) < next_min); // located next range
--index;
}
}
return ALL_CASES_OFFSET[head] + RANGE_PREFIX_OFFSET[head][prefix] + offset;
}
/// NOTE: ensure that input short code is valid!
uint64_t ShortCode::tiny_decode(uint32_t short_code) noexcept { // short code --> common code
/// match head index
// auto offset = std::upper_bound( // binary search
// ALL_CASES_OFFSET, ALL_CASES_OFFSET + 16, short_code
// ) - 1;
// auto head = offset - ALL_CASES_OFFSET; // head index
// short_code -= *offset;
auto offset = std::upper_bound(ALL_CASES_OFFSET, ALL_CASES_OFFSET + 16, short_code) - 1;
auto head = offset - ALL_CASES_OFFSET; // head index
short_code -= *offset;
/// match range prefix
// offset = std::upper_bound( // binary search
// RANGE_PREFIX_OFFSET[head], RANGE_PREFIX_OFFSET[head] + 4096, short_code
// ) - 1;
// auto prefix = offset - RANGE_PREFIX_OFFSET[head]; // range prefix
// short_code -= *offset;
offset = std::upper_bound(RANGE_PREFIX_OFFSET[head], RANGE_PREFIX_OFFSET[head] + 4096, short_code) - 1;
auto prefix = offset - RANGE_PREFIX_OFFSET[head]; // range prefix
short_code -= *offset;
/// search for target range
// auto index = BASIC_RANGES_OFFSET[prefix];
// const auto &basic_ranges = BasicRanges::fetch();
// for (; index < basic_ranges.size(); ++index) { // traverse basic ranges
// auto broken_offset = Common::check_range(head, basic_ranges[index]);
// if (!broken_offset && !short_code--) { // valid case -> short code approximate
// break;
// }
// auto delta = (uint32_t)1 << (32 - broken_offset * 2); // delta to next possible range
// auto next_min = (Common::range_reverse(basic_ranges[index]) & ~(delta - 1)) + delta;
// while (Common::range_reverse(basic_ranges[++index]) < next_min); // located next range
// --index;
// }
// return (uint64_t)head << 32 | Common::range_reverse(basic_ranges[index]);
auto index = BASIC_RANGES_OFFSET[prefix];
const auto &basic_ranges = BasicRanges::instance().fetch();
for (; index < basic_ranges.size(); ++index) { // traverse basic ranges
auto broken_offset = check_range(head, basic_ranges[index]);
if (!broken_offset && !short_code--) { // valid case -> short code approximate
break;
}
auto delta = (uint32_t)1 << (32 - broken_offset * 2); // delta to next possible range
auto next_min = (range_reverse(basic_ranges[index]) & ~(delta - 1)) + delta;
while (range_reverse(basic_ranges[++index]) < next_min); // located next range
--index;
}
return (uint64_t)head << 32 | range_reverse(basic_ranges[index]);
}
} // namespace codec

1
src/core_test/CMakeLists.txt

@ -39,6 +39,7 @@ add_test(NAME klotski_ffi COMMAND test_klotski_ffi)
###############################################################################################
set(KLOTSKI_TEST_CODEC_SRC
codec/short_code.cc
codec/common_code.cc
)

41
src/core_test/codec/common_code.cc

@ -1,8 +1,8 @@
#include <algorithm>
#include "sample.h"
#include "all_cases.h"
#include "raw_code.h"
#include "all_cases.h"
#include "short_code.h"
#include "common_code.h"
#include "gtest/gtest.h"
@ -27,7 +27,7 @@ TEST(CommonCode, validity) {
}
TEST(CommonCode, operators) {
auto common_code = CommonCode::create(TEST_C_CODE).value();
auto common_code = CommonCode::unsafe_create(TEST_C_CODE);
std::ostringstream tmp;
tmp << common_code; // ostream capture
@ -46,13 +46,32 @@ TEST(CommonCode, operators) {
EXPECT_GT(CommonCode::unsafe_create(TEST_C_CODE + 1), common_code); // CommonCode > CommonCode
}
TEST(CommonCode, exporter) {
auto common_code = CommonCode::unsafe_create(TEST_C_CODE);
EXPECT_EQ(common_code.unwrap(), TEST_C_CODE);
EXPECT_EQ(common_code.to_string(), TEST_C_CODE_STR);
EXPECT_EQ(common_code.to_raw_code(), TEST_R_CODE);
EXPECT_EQ(common_code.to_short_code(), TEST_S_CODE);
auto code_shorten = common_code.to_string(true);
EXPECT_EQ(CommonCode::from_string(code_shorten), common_code); // l-value
EXPECT_EQ(CommonCode::from_string(std::move(code_shorten)), common_code); // r-value
auto code_normal = common_code.to_string(false);
EXPECT_EQ(CommonCode::from_string(code_normal), common_code); // l-value
EXPECT_EQ(CommonCode::from_string(std::move(code_normal)), common_code); // r-value
}
TEST(CommonCode, initializate) {
auto raw_code = RawCode::unsafe_create(TEST_R_CODE);
auto short_code = ShortCode::unsafe_create(TEST_S_CODE);
auto common_code = CommonCode::unsafe_create(TEST_C_CODE);
// CommonCode(...)
EXPECT_EQ(CommonCode(raw_code), TEST_C_CODE);
EXPECT_EQ(CommonCode(short_code), TEST_C_CODE);
EXPECT_EQ(CommonCode(common_code), TEST_C_CODE); // l-value
EXPECT_EQ(CommonCode(CommonCode(common_code)), TEST_C_CODE); // r-value
// CommonCode::create(uint64_t)
EXPECT_TRUE(CommonCode::create(TEST_C_CODE).has_value());
@ -147,23 +166,7 @@ TEST(CommonCode, code_string) {
pool.wait_for_tasks();
}
TEST(CommonCode, code_convert) {
auto common_code = CommonCode::unsafe_create(TEST_C_CODE);
EXPECT_EQ(common_code.unwrap(), TEST_C_CODE);
EXPECT_EQ(common_code.to_string(), TEST_C_CODE_STR);
EXPECT_EQ(common_code.to_raw_code(), TEST_R_CODE);
EXPECT_EQ(common_code.to_short_code(), TEST_S_CODE);
auto code_shorten = common_code.to_string(true);
EXPECT_EQ(CommonCode::from_string(code_shorten), common_code); // l-value
EXPECT_EQ(CommonCode::from_string(std::move(code_shorten)), common_code); // r-value
auto code_normal = common_code.to_string(false);
EXPECT_EQ(CommonCode::from_string(code_normal), common_code); // l-value
EXPECT_EQ(CommonCode::from_string(std::move(code_normal)), common_code); // r-value
}
TEST(CommonCode, DISABLED_global) {
TEST(CommonCode, DISABLED_global_verify) {
std::vector<uint64_t> common_codes;
common_codes.reserve(ALL_CASES_NUM_);
for (uint64_t head = 0; head < 16; ++head) {

224
src/core_test/codec/short_code.cc

@ -0,0 +1,224 @@
#include <algorithm>
#include "sample.h"
#include "exposer.h"
#include "all_cases.h"
#include "short_code.h"
#include "common_code.h"
#include "gtest/gtest.h"
#include "BS_thread_pool.hpp"
using klotski::cases::AllCases;
using klotski::cases::BasicRanges;
using klotski::codec::ShortCode;
using klotski::codec::CommonCode;
using klotski::cases::ALL_CASES_NUM;
using klotski::cases::ALL_CASES_NUM_;
using klotski::codec::SHORT_CODE_LIMIT;
static const auto TEST_THREAD_NUM = 256;
/// Forcibly modify private variables to reset state.
PRIVATE_ACCESS(AllCases, available_, bool)
PRIVATE_ACCESS(BasicRanges, available_, bool)
/// Reset basic ranges build state, note it is thread-unsafe.
void basic_ranges_reset() {
access_BasicRanges_available_(BasicRanges::instance()) = false;
}
/// Reset all cases build state, note it is thread-unsafe.
void all_cases_reset() {
access_AllCases_available_(AllCases::instance()) = false;
}
TEST(ShortCode, limit) {
auto all_cases_num = std::accumulate(ALL_CASES_NUM.begin(), ALL_CASES_NUM.end(), 0);
EXPECT_EQ(all_cases_num, SHORT_CODE_LIMIT);
}
TEST(ShortCode, validity) {
EXPECT_FALSE(ShortCode::check(-1)); // out of short code range
EXPECT_FALSE(ShortCode::check(29670987)); // out of short code range
EXPECT_FALSE(ShortCode::create(SHORT_CODE_LIMIT).has_value()); // invalid code
EXPECT_FALSE(ShortCode::from_string("R50EH").has_value()); // with invalid `0`
EXPECT_FALSE(ShortCode::from_string("123456").has_value()); // length != 5
EXPECT_FALSE(ShortCode::from_string("Z9EFV").has_value()); // out of short code range
}
TEST(ShortCode, operators) {
auto short_code = ShortCode::unsafe_create(TEST_S_CODE);
std::ostringstream tmp;
tmp << short_code; // ostream capture
EXPECT_EQ(tmp.str(), TEST_S_CODE_STR);
EXPECT_EQ((uint32_t)short_code, TEST_S_CODE); // convert as uint32_t
EXPECT_EQ(TEST_S_CODE, short_code); // uint32_t == ShortCode
EXPECT_EQ(short_code, TEST_S_CODE); // ShortCode == uint32_t
EXPECT_EQ(short_code, short_code); // ShortCode == ShortCode
EXPECT_NE(TEST_S_CODE + 1, short_code); // uint32_t != ShortCode
EXPECT_NE(short_code, TEST_S_CODE + 1); // ShortCode != uint32_t
EXPECT_NE(short_code, ShortCode::unsafe_create(TEST_S_CODE + 1)); // ShortCode != ShortCode
EXPECT_LT(short_code, ShortCode::unsafe_create(TEST_S_CODE + 1)); // ShortCode < ShortCode
EXPECT_GT(ShortCode::unsafe_create(TEST_S_CODE + 1), short_code); // ShortCode > ShortCode
}
TEST(ShortCode, exporter) {
auto short_code = ShortCode::unsafe_create(TEST_S_CODE);
EXPECT_EQ(short_code.unwrap(), TEST_S_CODE);
EXPECT_EQ(short_code.to_string(), TEST_S_CODE_STR);
EXPECT_EQ(short_code.to_common_code(), TEST_C_CODE);
}
TEST(ShortCode, initializate) {
auto short_code = ShortCode::unsafe_create(TEST_S_CODE);
auto common_code = CommonCode::unsafe_create(TEST_C_CODE);
// ShortCode(...)
EXPECT_EQ(ShortCode(common_code), TEST_S_CODE);
EXPECT_EQ(ShortCode(short_code), TEST_S_CODE); // l-value
EXPECT_EQ(ShortCode(ShortCode(short_code)), TEST_S_CODE); // r-value
// ShortCode::create(uint32_t)
EXPECT_TRUE(ShortCode::create(TEST_S_CODE).has_value());
EXPECT_FALSE(ShortCode::create(TEST_S_CODE_ERR).has_value());
EXPECT_EQ(ShortCode::create(TEST_S_CODE), TEST_S_CODE);
// ShortCode::unsafe_create(uint32_t)
EXPECT_EQ(ShortCode::unsafe_create(TEST_S_CODE), TEST_S_CODE);
// ShortCode::from_string(const std::string &)
EXPECT_TRUE(ShortCode::from_string(TEST_S_CODE_STR).has_value());
EXPECT_FALSE(ShortCode::from_string(TEST_S_CODE_STR_ERR).has_value());
EXPECT_EQ(ShortCode::from_string(TEST_S_CODE_STR), TEST_S_CODE);
// ShortCode::from_string(std::string&&)
EXPECT_TRUE(ShortCode::from_string(TEST_S_CODE_STR_RV).has_value());
EXPECT_FALSE(ShortCode::from_string(TEST_S_CODE_STR_ERR_RV).has_value());
EXPECT_EQ(ShortCode::from_string(TEST_S_CODE_STR_RV), TEST_S_CODE);
// ShortCode::from_common_code(CommonCode)
EXPECT_EQ(ShortCode::from_common_code(common_code), TEST_S_CODE);
// ShortCode::from_common_code(uint64_t)
EXPECT_TRUE(ShortCode::from_common_code(TEST_C_CODE).has_value());
EXPECT_FALSE(ShortCode::from_common_code(TEST_C_CODE_ERR).has_value());
EXPECT_EQ(ShortCode::from_common_code(TEST_C_CODE), TEST_S_CODE);
// ShortCode::from_common_code(const std::string &)
EXPECT_TRUE(ShortCode::from_common_code(TEST_C_CODE_STR).has_value());
EXPECT_FALSE(ShortCode::from_common_code(TEST_C_CODE_STR_ERR).has_value());
EXPECT_EQ(ShortCode::from_common_code(TEST_C_CODE_STR), TEST_S_CODE);
// ShortCode::from_common_code(std::string&&)
EXPECT_TRUE(ShortCode::from_common_code(TEST_C_CODE_STR_RV).has_value());
EXPECT_FALSE(ShortCode::from_common_code(TEST_C_CODE_STR_ERR_RV).has_value());
EXPECT_EQ(ShortCode::from_common_code(TEST_C_CODE_STR_RV), TEST_S_CODE);
}
TEST(ShortCode, speed_up) {
all_cases_reset();
basic_ranges_reset();
BS::thread_pool pool(TEST_THREAD_NUM);
for (auto i = 0; i < TEST_THREAD_NUM; ++i) {
pool.push_task(ShortCode::speed_up, false);
}
EXPECT_FALSE(BasicRanges::instance().is_available());
EXPECT_FALSE(AllCases::instance().is_available());
pool.wait_for_tasks();
EXPECT_TRUE(BasicRanges::instance().is_available());
EXPECT_FALSE(AllCases::instance().is_available());
for (auto i = 0; i < TEST_THREAD_NUM; ++i) {
pool.push_task(ShortCode::speed_up, true);
}
EXPECT_TRUE(BasicRanges::instance().is_available());
EXPECT_FALSE(AllCases::instance().is_available());
pool.wait_for_tasks();
EXPECT_TRUE(BasicRanges::instance().is_available());
EXPECT_TRUE(AllCases::instance().is_available());
}
TEST(ShortCode, code_verify) {
BS::thread_pool pool;
ShortCode::speed_up(true);
for (int head = 0; head < 16; ++head) {
pool.push_task([](uint64_t head) {
std::vector<uint32_t> archive;
for (auto range : AllCases::instance().fetch()[head]) {
auto code = ShortCode::from_common_code(head << 32 | range);
EXPECT_TRUE(code.has_value());
EXPECT_TRUE(ShortCode::check(code->unwrap()));
archive.emplace_back(code->unwrap());
}
if (!archive.empty()) {
EXPECT_TRUE(std::is_sorted(archive.begin(), archive.end())); // increasingly one by one
EXPECT_EQ(archive[archive.size() - 1] - archive[0], archive.size() - 1);
EXPECT_EQ(std::accumulate(ALL_CASES_NUM.begin(), ALL_CASES_NUM.begin() + head, 0), archive[0]);
}
}, head);
}
pool.wait_for_tasks();
}
TEST(ShortCode, code_string) {
auto test_func = [](ShortCode code) {
auto code_str = code.to_string();
EXPECT_EQ(code_str.size(), 5); // length = 5
for (auto c : code_str) {
EXPECT_TRUE((c >= '1' && c <= '9') || (c >= 'A' && c <= 'Z'));
EXPECT_TRUE(c != 'I' && c != 'L' && c != 'O');
}
EXPECT_EQ(ShortCode::from_string(code_str), code); // test upper cases
std::transform(code_str.begin(), code_str.end(), code_str.begin(), ::tolower);
EXPECT_EQ(ShortCode::from_string(code_str), code); // test lower cases
};
BS::thread_pool pool;
pool.push_loop(SHORT_CODE_LIMIT, [&test_func](uint32_t start, uint32_t end) {
for (uint32_t short_code = start; short_code < end; ++short_code) {
test_func(ShortCode::unsafe_create(short_code));
}
}, 0x1000); // split as 4096 pieces
pool.wait_for_tasks();
}
TEST(ShortCode, DISABLED_global_verify) {
std::vector<uint64_t> common_codes;
common_codes.reserve(ALL_CASES_NUM_);
for (uint64_t head = 0; head < 16; ++head) {
for (auto range : AllCases::instance().fetch()[head]) {
common_codes.emplace_back(head << 32 | range);
}
}
all_cases_reset();
BS::thread_pool pool;
auto futures = pool.parallelize_loop(SHORT_CODE_LIMIT, [](uint32_t start, uint32_t end) {
std::vector<uint64_t> archive;
archive.reserve(end - start);
for (uint32_t short_code = start; short_code < end; ++short_code) {
auto common_code = CommonCode::from_short_code(short_code).value();
EXPECT_EQ(common_code.to_short_code(), short_code);
archive.emplace_back(common_code.unwrap());
}
return archive;
}, 0x1000); // split as 4096 pieces
std::vector<uint64_t> result;
result.reserve(ALL_CASES_NUM_);
for (size_t i = 0; i < futures.size(); ++i) {
auto data = futures[i].get();
std::cout << i << std::endl;
result.insert(result.end(), data.begin(), data.end()); // combine sections
}
pool.wait_for_tasks();
EXPECT_EQ(result, common_codes);
}
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