From ec6b244f4744de723e894f41030c03e41ce129a0 Mon Sep 17 00:00:00 2001
From: Gammasoft <gammasoft71@gmail.com>
Date: Wed, 8 Jan 2025 19:14:43 +0100
Subject: [PATCH] Add dictionary constructors and unit tests

---
 .../xtd/collections/generic/dictionary.hpp    |  22 +++
 .../generic/tests/dictionary_tests.cpp        | 125 +++++++++++++++++-
 2 files changed, 146 insertions(+), 1 deletion(-)

diff --git a/src/xtd.core/include/xtd/collections/generic/dictionary.hpp b/src/xtd.core/include/xtd/collections/generic/dictionary.hpp
index a9ffafc1b4d..56ebdd5d761 100644
--- a/src/xtd.core/include/xtd/collections/generic/dictionary.hpp
+++ b/src/xtd.core/include/xtd/collections/generic/dictionary.hpp
@@ -122,6 +122,21 @@ namespace xtd {
         /// }
         /// ```
         dictionary() noexcept = default;
+        
+        explicit dictionary(size_type bucket_count, const hasher& hash = hasher {}, const equator& equal = equator {}, const allocator_type& alloc = allocator_type {}) noexcept : data_(xtd::new_ptr<data>(bucket_count, hash, equal, alloc)) {}
+        dictionary(size_type bucket_count, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(bucket_count, hasher {}, equator {}, alloc)) {}
+        dictionary(size_type bucket_count, const hasher& hash, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(bucket_count, hash, equator {}, alloc)) {}
+        explicit dictionary(const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(alloc)) {}
+        template <typename input_iterator_t>
+        explicit dictionary(input_iterator_t first, input_iterator_t last, size_type bucket_count = 0, const hasher& hash = hasher {}, const equator& equal = equator {}, const allocator_type& alloc = allocator_type {}) noexcept : data_(xtd::new_ptr<data>(first, last, bucket_count, hash, equal, alloc)) {}
+        template <typename input_iterator_t>
+        explicit dictionary(input_iterator_t first, input_iterator_t last, size_type bucket_count, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(first, last, bucket_count, hasher {}, equator {}, alloc)) {}
+        template <typename input_iterator_t>
+        explicit dictionary(input_iterator_t first, input_iterator_t last, size_type bucket_count, const hasher& hash, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(first, last, bucket_count, hash, equator {}, alloc)) {}
+        dictionary(const dictionary& other) noexcept : data_(xtd::new_ptr<data>(other.data_->items, other.data_->version, allocator_type {})) {}
+        dictionary(const dictionary& other, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(other.data_->items, other.data_->version, alloc)) {}
+        dictionary(const std::unordered_map<key_t, value_t>& other) noexcept : data_(xtd::new_ptr<data>(other.begin(), other.end(), 0, hasher {}, equator {}, allocator_type {})) {}
+        dictionary(const std::unordered_map<key_t, value_t>& other, const allocator_type& alloc) noexcept : data_(xtd::new_ptr<data>(other.begin(), other.end(), 0, hasher {}, equator {}, alloc)) {}
         /// @}
         
         /// @name Public Properties
@@ -242,6 +257,13 @@ namespace xtd {
 
       private:
         struct data {
+          data() = default;
+          data(size_type bucket_count, const hasher& hash, const equator& equal, const allocator_type& alloc) noexcept : items(bucket_count, hash, equal, alloc) {}
+          explicit data(const allocator_type& alloc) noexcept : items(alloc) {}
+          template <typename input_iterator_t>
+          data(input_iterator_t first, input_iterator_t last, size_type bucket_count, const hasher& hash, const equator& equal, const allocator_type& alloc) noexcept : items(first, last, bucket_count, hash, equal, alloc) {}
+          data(const base_type& items, size_type version, const allocator_type& alloc) noexcept : items {items, alloc}, version {version} {}
+
           base_type items;
           size_type version = 0;
           xtd::object sync_root;
diff --git a/tests/xtd.core.unit_tests/src/xtd/collections/generic/tests/dictionary_tests.cpp b/tests/xtd.core.unit_tests/src/xtd/collections/generic/tests/dictionary_tests.cpp
index 25cabf84380..48fd78915f4 100644
--- a/tests/xtd.core.unit_tests/src/xtd/collections/generic/tests/dictionary_tests.cpp
+++ b/tests/xtd.core.unit_tests/src/xtd/collections/generic/tests/dictionary_tests.cpp
@@ -3,7 +3,7 @@
 #include <xtd/tunit/assert>
 #include <xtd/tunit/test_class_attribute>
 #include <xtd/tunit/test_method_attribute>
-#include <xtd/println>
+#include <xtd/literals>
 
 using namespace xtd;
 using namespace xtd::collections::generic;
@@ -109,5 +109,128 @@ namespace xtd::collections::generic::tests {
       assert::is_zero(items.capacity());
       assert::is_zero(items.count());
     }
+
+    void test_method_(constructor_with_bucket_count) {
+      auto items = dictionary<int, string> {42};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_bucket_count_and_hash) {
+      auto items = dictionary<int, string> {42, helpers::hasher<int> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_bucket_count_hash_and_equator) {
+      auto items = dictionary<int, string> {42, helpers::hasher<int> {}, helpers::equator<int> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_bucket_count_hash_equator_and_hasher) {
+      auto items = dictionary<int, string> {42, helpers::hasher<int> {}, helpers::equator<int> {}, helpers::allocator<std::pair<int, string>> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_bucket_count_and_allocator) {
+      auto items = dictionary<int, string> {42, helpers::allocator<std::pair<int, string>> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_bucket_count_hasher_and_allocator) {
+      auto items = dictionary<int, string> {42, helpers::hasher<int> {}, helpers::allocator<std::pair<int, string>> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_allocator) {
+      auto items = dictionary<int, string> {helpers::allocator<std::pair<int, string>> {}};
+      assert::is_zero(items.capacity());
+      assert::is_zero(items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end()};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_and_bucket_count) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_bucket_count_and_hasher) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42, helpers::hasher<int> {}};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_bucket_count_hasher_and_equator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42, helpers::hasher<int> {}, helpers::equator<int> {}};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_bucket_count_hasher_equator_and_allocator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42, helpers::hasher<int> {}, helpers::equator<int> {}, helpers::allocator<std::pair<int, string>> {}};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_bucket_count_and_allocator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42, helpers::allocator<std::pair<int, string>> {}};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_first_and_last_iterators_bucket_count_hasher_and_allocator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items = dictionary<int, string> {init.begin(), init.end(), 42, helpers::hasher<int> {}, helpers::allocator<std::pair<int, string>> {}};
+      assert::are_equal(5_z, items.capacity());
+      assert::are_equal(5_z, items.count());
+    }
+
+    void test_method_(constructor_with_dictionary) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items1 = dictionary<int, string> {init.begin(), init.end()};
+      auto items2 = dictionary<int, string> {items1};
+      assert::are_equal(5_z, items2.capacity());
+      assert::are_equal(5_z, items2.count());
+    }
+
+    void test_method_(constructor_with_dictionary_and_allocator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items1 = dictionary<int, string> {init.begin(), init.end()};
+      auto items2 = dictionary<int, string> {items1, helpers::allocator<std::pair<int, string>> {}};
+      assert::are_equal(5_z, items2.capacity());
+      assert::are_equal(5_z, items2.count());
+    }
+
+    void test_method_(constructor_with_unordered_map) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items1 = std::unordered_map<int, string> {init.begin(), init.end()};
+      auto items2 = dictionary<int, string> {items1};
+      assert::are_equal(5_z, items2.capacity());
+      assert::are_equal(5_z, items2.count());
+    }
+
+    void test_method_(constructor_with_unordered_map_and_allocator) {
+      auto init = std::initializer_list<std::pair<int, string>> {{1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5_z, "five"}};
+      auto items1 = std::unordered_map<int, string> {init.begin(), init.end()};
+      auto items2 = dictionary<int, string> {items1, helpers::allocator<std::pair<int, string>> {}};
+      assert::are_equal(5_z, items2.capacity());
+      assert::are_equal(5_z, items2.count());
+    }
   };
 }