diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 2d54165c8..64fc2aafa 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -4,8 +4,8 @@ add_test(NAME expression_test COMMAND expression_test)
 
 add_test(NAME test_age_formatting COMMAND test_age_formatting)
 add_test(NAME password_hash_test COMMAND password_hash_test)
-add_test(NAME deck_hash_test COMMAND deck_hash_test)
-set_tests_properties(deck_hash_test PROPERTIES TIMEOUT 5)
+add_test(NAME deck_hash_performance_test COMMAND deck_hash_performance_test)
+set_tests_properties(deck_hash_performance_test PROPERTIES TIMEOUT 5)
 
 # Find GTest
 
@@ -13,7 +13,7 @@ add_executable(dummy_test dummy_test.cpp)
 add_executable(expression_test expression_test.cpp)
 add_executable(test_age_formatting test_age_formatting.cpp)
 add_executable(password_hash_test password_hash_test.cpp)
-add_executable(deck_hash_test ../common/deck_list.cpp deck_hash_test.cpp)
+add_executable(deck_hash_performance_test ../common/deck_list.cpp deck_hash_performance_test.cpp)
 
 find_package(GTest)
 
@@ -44,7 +44,7 @@ if(NOT GTEST_FOUND)
   add_dependencies(expression_test gtest)
   add_dependencies(test_age_formatting gtest)
   add_dependencies(password_hash_test gtest)
-  add_dependencies(deck_hash_test gtest)
+  add_dependencies(deck_hash_performance_test gtest)
 endif()
 
 include_directories(${GTEST_INCLUDE_DIRS})
@@ -55,7 +55,7 @@ target_link_libraries(
   password_hash_test libcockatrice_utility Threads::Threads ${GTEST_BOTH_LIBRARIES} ${TEST_QT_MODULES}
 )
 target_link_libraries(
-  deck_hash_test libcockatrice_utility Threads::Threads ${GTEST_BOTH_LIBRARIES} ${TEST_QT_MODULES}
+  deck_hash_performance_test libcockatrice_utility Threads::Threads ${GTEST_BOTH_LIBRARIES} ${TEST_QT_MODULES}
 )
 
 add_subdirectory(carddatabase)
diff --git a/tests/deck_hash_performance_test.cpp b/tests/deck_hash_performance_test.cpp
new file mode 100644
index 000000000..6dd4be21b
--- /dev/null
+++ b/tests/deck_hash_performance_test.cpp
@@ -0,0 +1,82 @@
+#include "../common/deck_list.h"
+
+#include "gtest/gtest.h"
+#include <QDebug>
+
+static constexpr int amount = 1e5;
+QString repeatDeck;
+QString numberDeck;
+QString uniquesDeck;
+QString uniquesXorDeck;
+QString duplicatesDeck;
+
+TEST(DeckHashTest, RepeatTest)
+{
+    DeckList decklist(repeatDeck);
+    for (int i = 0; i < amount; ++i) {
+        decklist.getDeckHash();
+        decklist.refreshDeckHash();
+    }
+    auto hash = decklist.getDeckHash().toStdString();
+    ASSERT_EQ(hash, "5cac19qm") << "The hash does not match!";
+}
+
+TEST(DeckHashTest, NumberTest)
+{
+    DeckList decklist(numberDeck);
+    auto hash = decklist.getDeckHash().toStdString();
+    ASSERT_EQ(hash, "e0m38p19") << "The hash does not match!";
+}
+
+TEST(DeckHashTest, UniquesTest)
+{
+    DeckList decklist(uniquesDeck);
+    auto hash = decklist.getDeckHash().toStdString();
+    ASSERT_EQ(hash, "88prk025") << "The hash does not match!";
+}
+
+TEST(DeckHashTest, UniquesTestXor)
+{
+    DeckList decklist(uniquesXorDeck);
+    auto hash = decklist.getDeckHash().toStdString();
+    ASSERT_EQ(hash, "hkn6q4pf") << "The hash does not match!";
+}
+
+TEST(DeckHashTest, DuplicatesTest)
+{
+    DeckList decklist(duplicatesDeck);
+    auto hash = decklist.getDeckHash().toStdString();
+    ASSERT_EQ(hash, "ekt6tg1h") << "The hash does not match!";
+}
+
+int main(int argc, char **argv)
+{
+    const QString deckStart =
+        R"(<?xml version="1.0"?><cockatrice_deck version="1"><deckname></deckname><comments></comments><zone name="main">)";
+    const QString deckEnd = R"(</zone></cockatrice_deck>)";
+
+    repeatDeck =
+        deckStart +
+        R"(<card number="1" name="Mountain"/><card number="2" name="Island"/></zone><zone name="side"><card number="3" name="Forest"/>)" +
+        deckEnd;
+    numberDeck = deckStart + QString(R"(<card number="%1" name="Island"/>)").arg(amount) + deckEnd;
+
+    QStringList deckString{deckStart};
+    QStringList deckStringXor = deckString;
+    int len = QString::number(amount).length();
+    for (int i = 0; i < amount; ++i) {
+        // creates already sorted list
+        deckString << R"(<card number="1" name="card )" << QString::number(i).rightJustified(len, '0') << R"("/>)";
+        // xor in order to mess with sorting
+        deckStringXor << R"(<card number="1" name="card )" << QString::number(i ^ amount) << R"("/>)";
+    }
+    deckString << deckEnd;
+    deckStringXor << deckEnd;
+    uniquesDeck = deckString.join("");
+    uniquesXorDeck = deckStringXor.join("");
+
+    duplicatesDeck = deckStart + QString(R"(<card number="1" name="card"/>)").repeated(amount) + deckEnd;
+
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}
diff --git a/tests/deck_hash_test.cpp b/tests/deck_hash_test.cpp
deleted file mode 100644
index 0c13986c4..000000000
--- a/tests/deck_hash_test.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-#include "../common/deck_list.h"
-
-#include "gtest/gtest.h"
-#include <QDebug>
-
-QString bigDeck;
-
-TEST(DeckHashTest, RepeatTest)
-{
-    DeckList decklist(
-        R"(<?xml version="1.0"?><cockatrice_deck version="1"><deckname></deckname><comments></comments><zone name="main"><card number="1" name="Mountain"/><card number="2" name="Island"/></zone><zone name="side"><card number="3" name="Forest"/></zone></cockatrice_deck>)");
-    for (int i = 0; i < 1e6; ++i) { // repeat hashing a million times
-        decklist.getDeckHash();
-        decklist.refreshDeckHash();
-    }
-    auto hash = decklist.getDeckHash().toStdString();
-    ASSERT_EQ(hash, "5cac19qm") << "The hash matches";
-}
-
-TEST(DeckHashTest, NumberTest)
-{
-    DeckList decklist(
-        R"(<?xml version="1.0"?><cockatrice_deck version="1"><deckname></deckname><comments></comments><zone name="main"><card number="1000000" name="Island"/></zone></cockatrice_deck>)");
-    auto hash = decklist.getDeckHash().toStdString();
-    ASSERT_EQ(hash, "2k8cdi4s") << "The hash matches";
-}
-
-TEST(DeckHashTest, UniquesTest)
-{
-    DeckList decklist(bigDeck);
-    auto hash = decklist.getDeckHash().toStdString();
-    ASSERT_EQ(hash, "s544mlan") << "The hash matches";
-}
-
-int main(int argc, char **argv)
-{
-    QStringList deckString;
-    deckString
-        << R"(<?xml version="1.0"?><cockatrice_deck version="1"><deckname></deckname><comments></comments><zone name="main"><card number="1" name="card 0)";
-    for (int i = 1; i < 1e6; ++i) { // add a million unique cards
-        deckString << R"("/><card number="1" name="card )" + QString::number(i);
-    }
-    deckString << R"("/></zone></cockatrice_deck>)";
-    bigDeck = deckString.join("");
-
-    ::testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}