Implements Dictionary class, a wrapper for the unordered_map, with more safety.

tests/DictionaryTests.cpp

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+#ifdef TESTS_BUILD
+#include "../extern/catch.hpp"
+#include "../src/Collections/Dictionary.hpp"
+using namespace Arbutils::Collections;
+
+TEST_CASE("Create Dictionary, insert values", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    dic.Insert(2, 100);
+    dic.Insert(9, 2000);
+}
+
+TEST_CASE("Create Dictionary, insert values, get values", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    dic.Insert(2, 100);
+    dic.Insert(9, 2000);
+
+    CHECK(dic.Get(2) == 100);
+    CHECK(dic.Get(9) == 2000);
+    CHECK(dic.Get(10) == 5);
+}
+
+TEST_CASE("Create Dictionary, insert values twice should throw", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    CHECK_THROWS(dic.Insert(10, 100));
+
+    CHECK(dic.Get(10) == 5);
+}
+
+TEST_CASE("Create Dictionary, insert value, then update value", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    dic[10] = 200;
+
+    CHECK(dic.Get(10) == 200);
+}
+
+TEST_CASE("Create Dictionary, insert value, try get value", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    int result = 0;
+    CHECK(dic.TryGet(10, result));
+    CHECK(result == 5);
+}
+
+TEST_CASE("Create Dictionary, insert value, try get non existing value", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    int result = 0;
+    CHECK_FALSE(dic.TryGet(10, result));
+    CHECK(result == 0);
+}
+
+TEST_CASE("Create Dictionary, insert value, Has", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    CHECK(dic.Has(10));
+}
+
+TEST_CASE("Create Dictionary, set value", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Set(5, 100);
+    CHECK(dic.Has(5));
+}
+
+TEST_CASE("Create Dictionary, insert values, get count", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    dic.Insert(2, 100);
+    dic.Insert(9, 2000);
+
+    CHECK(dic.Count() == 3);
+}
+
+TEST_CASE("Create Dictionary, insert values, iterate over keys", "[Utilities]") {
+    auto dic = Dictionary<int, int>(5);
+    dic.Insert(10, 5);
+    dic.Insert(2, 100);
+    dic.Insert(9, 2000);
+
+    size_t i = 0;
+    for (auto val: dic){
+        CHECK(dic.Has(val.first));
+        i++;
+    }
+    CHECK(i == 3);
+}
+
+TEST_CASE("Create Dictionary with different types, insert values, iterate over keys", "[Utilities]") {
+    auto dic = Dictionary<char, char>(5);
+    dic.Insert(10, 5);
+    dic.Insert(2, 100);
+    dic.Insert(9, 105);
+
+    size_t i = 0;
+    for (auto val: dic){
+        CHECK(dic.Has(val.first));
+        i++;
+    }
+    CHECK(i == 3);
+}
+
+
+#endif