test: remove dependence of group extend

src/core_test/group/group_legacy.cc

@@ -1,7 +1,7 @@
 #include <gtest/gtest.h>
 
 #include "group/group.h"
-#include "helper/cases.h"
+// #include "helper/cases.h"
 
 //using klotski::cases::Group;
 using klotski::group::GroupUnion;

src/core_test/group/group_union.cc

@@ -4,7 +4,6 @@
 #include <cstdint>
 #include <algorithm>
 
-#include "helper/cases.h"
 #include "helper/parallel.h"
 #include "helper/block_num.h"
 
@@ -65,11 +64,11 @@ TEST(GroupUnion, basic) {
 
 TEST(GroupUnion, constant) {
 
-    EXPECT_EQ(TYPE_ID_LIMIT, group_union_num());
+    EXPECT_EQ(TYPE_ID_LIMIT, helper::group_union_num());
 
     uint32_t sum = 0;
-    for (uint32_t i = 0; i < group_union_num(); ++i) {
+    for (uint32_t i = 0; i < helper::group_union_num(); ++i) {
-        sum += group_num(i);
+        sum += helper::group_union_group_num(i);
     }
     EXPECT_EQ(ALL_GROUP_NUM, sum);
 
@@ -77,22 +76,22 @@ TEST(GroupUnion, constant) {
     //       test from member function directly?
 }
 
-TEST(GroupUnion, values) {
+// TEST(GroupUnion, values) {
-    GROUP_UNION_PARALLEL({
+//     GROUP_UNION_PARALLEL({
-        auto type_id = group_union.unwrap();
+//         auto type_id = group_union.unwrap();
-        auto &cases = group_union_cases(type_id);
+//         auto &cases = group_union_cases(type_id);
+//
+//         EXPECT_EQ(group_union.size(), cases.size());
+//         EXPECT_EQ(group_union.cases().codes(), cases);
+//         EXPECT_EQ(group_union.group_num(), helper::group_union_group_num(type_id));
+//
+//         auto get_group_size = [](auto g) { return g.size(); };
+//         const auto sizes = group_union.groups() | std::views::transform(get_group_size);
+//         EXPECT_EQ(group_union.max_group_size(), *std::ranges::max_element(sizes));
+//     });
+// }
 
-        EXPECT_EQ(group_union.size(), cases.size());
+TEST(GroupUnion, values) {
-        EXPECT_EQ(group_union.cases().codes(), cases);
-        EXPECT_EQ(group_union.group_num(), group_num(type_id));
-
-        auto get_group_size = [](auto g) { return g.size(); };
-        const auto sizes = group_union.groups() | std::views::transform(get_group_size);
-        EXPECT_EQ(group_union.max_group_size(), *std::ranges::max_element(sizes));
-    });
-}
-
-TEST(GroupUnion, values_pro) {
     GROUP_UNION_PARALLEL({
         auto type_id = group_union.unwrap();
         auto &cases = helper::group_union_cases(type_id);

src/core_test/group/helper/cases.h

@@ -1,25 +0,0 @@
-#pragma once
-
-#include "group/group.h"
-
-// TODO: move to `.cc` file
-using klotski::cases::AllCases;
-using klotski::codec::CommonCode;
-
-// ----------------------------------------------------------------------------------------- //
-
-// TODO: using global test helper
-
-/// Get the type_id upper limit.
-uint32_t group_union_num();
-
-/// Get the group_id upper limit.
-uint32_t group_num(uint32_t type_id);
-
-/// Get cases contained in the specified type_id.
-const std::vector<CommonCode>& group_union_cases(uint32_t type_id);
-
-/// Get cases contained in the specified type_id and group_id.
-const std::vector<CommonCode>& group_cases(uint32_t type_id, uint32_t group_id);
-
-// ----------------------------------------------------------------------------------------- //

src/core_test/group/helper/group_impl.cc

@@ -1,15 +1,48 @@
-#include "cases.h"
-
 #include <algorithm>
+#include <mover/mover.h>
 
+#include "group/group.h"
 #include "helper/block_num.h"
 
 // TODO: multi-threads builder
 
+using klotski::codec::RawCode;
+using klotski::cases::AllCases;
+using klotski::codec::CommonCode;
+
+using klotski::mover::MaskMover;
+
+uint32_t group_union_num();
+
+const std::vector<CommonCode>& group_union_cases(uint32_t type_id);
+
+static std::vector<RawCode> Group_extend(RawCode raw_code) {
+    std::vector<RawCode> codes;
+    std::unordered_map<uint64_t, uint64_t> cases; // <code, mask>
+
+    auto core = MaskMover([&codes, &cases](RawCode code, uint64_t mask) {
+        if (const auto match = cases.find(code.unwrap()); match != cases.end()) {
+            match->second |= mask; // update mask
+            return;
+        }
+        cases.emplace(code, mask);
+        codes.emplace_back(code); // new case
+    });
+
+    uint64_t offset = 0;
+    codes.emplace_back(raw_code);
+    cases.emplace(raw_code, 0); // without mask
+    while (offset != codes.size()) {
+        auto curr = codes[offset++].unwrap();
+        core.next_cases(RawCode::unsafe_create(curr), cases.find(curr)->second);
+    }
+    return codes;
+}
+
 /// Extend ordered Group from the specified CommonCode seed.
 static std::vector<CommonCode> extend_cases(CommonCode seed) {
     // TODO: using inner build process -> only allow calling klotski::mover
-    auto raw_codes = klotski::group::Group_extend(seed.to_raw_code());
+    auto raw_codes = Group_extend(seed.to_raw_code());
     std::vector<CommonCode> common_codes {raw_codes.begin(), raw_codes.end()};
     std::ranges::sort(common_codes.begin(), common_codes.end());
     return common_codes;

src/core_test/helper/group.h

@@ -2,6 +2,18 @@
 
 #include "common_code/common_code.h"
 
+// /// Get the type_id upper limit.
+// uint32_t group_union_num();
+//
+// /// Get the group_id upper limit.
+// uint32_t group_num(uint32_t type_id);
+//
+// /// Get cases contained in the specified type_id.
+// const std::vector<CommonCode>& group_union_cases(uint32_t type_id);
+//
+// /// Get cases contained in the specified type_id and group_id.
+// const std::vector<CommonCode>& group_cases(uint32_t type_id, uint32_t group_id);
+
 namespace helper {
 
 using klotski::codec::CommonCode;

src/core_test/helper/internal/group.cc

@@ -8,17 +8,52 @@
 #include <algorithm>
 
 #include <unordered_set>
+#include <mover/mover.h>
 
 using klotski::cases::AllCases;
 
+using klotski::codec::RawCode;
 using klotski::codec::CommonCode;
 
+using klotski::mover::MaskMover;
+
 #define STATIC_DATA(name, impl)         \
     static const auto& name() {         \
         static auto data = [] {impl}(); \
         return data;                    \
     }
 
+
+
+static std::vector<RawCode> Group_extend(RawCode raw_code) {
+    std::vector<RawCode> codes;
+    std::unordered_map<uint64_t, uint64_t> cases; // <code, mask>
+
+    auto core = MaskMover([&codes, &cases](RawCode code, uint64_t mask) {
+        if (const auto match = cases.find(code.unwrap()); match != cases.end()) {
+            match->second |= mask; // update mask
+            return;
+        }
+        cases.emplace(code, mask);
+        codes.emplace_back(code); // new case
+    });
+
+    uint64_t offset = 0;
+    codes.emplace_back(raw_code);
+    cases.emplace(raw_code, 0); // without mask
+    while (offset != codes.size()) {
+        auto curr = codes[offset++].unwrap();
+        core.next_cases(RawCode::unsafe_create(curr), cases.find(curr)->second);
+    }
+    return codes;
+}
+
+
+
+
+
+
+
 /// Filter cases with different type_id from AllCases.
 STATIC_DATA(group_union_data, {
     std::vector<std::vector<CommonCode>> codes;
@@ -53,7 +88,7 @@ const std::vector<CommonCode>& helper::group_union_cases(const uint32_t type_id)
 /// Extend ordered Group from the specified CommonCode seed.
 static std::vector<CommonCode> extend_cases(CommonCode seed) {
     // TODO: using inner build process -> only allow calling klotski::mover
-    auto raw_codes = klotski::group::Group_extend(seed.to_raw_code());
+    auto raw_codes = Group_extend(seed.to_raw_code());
     std::vector<CommonCode> common_codes {raw_codes.begin(), raw_codes.end()};
     std::ranges::sort(common_codes.begin(), common_codes.end());
     return common_codes;