diff --git a/tests/PHPUnit/Button/Helper/ThreeDSecureTest.php b/tests/PHPUnit/Button/Helper/ThreeDSecureTest.php
new file mode 100644
index 000000000..b33b4da7d
--- /dev/null
+++ b/tests/PHPUnit/Button/Helper/ThreeDSecureTest.php
@@ -0,0 +1,123 @@
+<?php
+declare(strict_types=1);
+
+namespace Inpsyde\PayPalCommerce\Button\Helper;
+
+
+use Inpsyde\PayPalCommerce\ApiClient\Entity\CardAuthenticationResult;
+use Inpsyde\PayPalCommerce\ApiClient\Entity\Order;
+use Inpsyde\PayPalCommerce\ApiClient\Entity\PaymentSource;
+use Inpsyde\PayPalCommerce\ApiClient\Entity\PaymentSourceCard;
+use Inpsyde\PayPalCommerce\TestCase;
+use Mockery\Mock;
+
+class ThreeDSecureTest extends TestCase
+{
+
+    /**
+     * @dataProvider dataForTestDefault
+     * @param Order $order
+     * @param int $expected
+     */
+    public function testDefault(int $expected, string $liabilityShift, string $authenticationResult, string $enrollment)
+    {
+        $result = \Mockery::mock(CardAuthenticationResult::class);
+        $result->shouldReceive('liabilityShift')->andReturn($liabilityShift);
+        $result->shouldReceive('authenticationResult')->andReturn($authenticationResult);
+        $result->shouldReceive('enrollmentStatus')->andReturn($enrollment);
+        $card = \Mockery::mock(PaymentSourceCard::class);
+        $card->shouldReceive('authenticationResult')->andReturn($result);
+        $source = \Mockery::mock(PaymentSource::class);
+        $source->shouldReceive('card')->andReturn($card);
+        $order = \Mockery::mock(Order::class);
+        $order->shouldReceive('paymentSource')->andReturn($source);
+        $testee = new ThreeDSecure();
+        $result = $testee->proceedWithOrder($order);
+        $this->assertEquals($expected, $result);
+    }
+
+    public function dataForTestDefault() : array
+    {
+        $matrix = [
+            'test_1' => [
+                ThreeDSecure::PROCCEED,
+                CardAuthenticationResult::LIABILITY_SHIFT_POSSIBLE,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_YES,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_2' => [
+                ThreeDSecure::REJECT,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_NO,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_3' => [
+                ThreeDSecure::REJECT,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_REJECTED,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_4' => [
+                ThreeDSecure::PROCCEED,
+                CardAuthenticationResult::LIABILITY_SHIFT_POSSIBLE,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_ATTEMPTED,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_5' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_UNKNOWN,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_UNABLE,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_6' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_UNABLE,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_7' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_UNKNOWN,
+                CardAuthenticationResult::AUTHENTICATION_RESULT_CHALLENGE_REQUIRED,
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_8' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                '',
+                CardAuthenticationResult::ENROLLMENT_STATUS_YES,
+            ],
+            'test_9' => [
+                ThreeDSecure::PROCCEED,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                '',
+                CardAuthenticationResult::ENROLLMENT_STATUS_NO,
+            ],
+            'test_10' => [
+                ThreeDSecure::PROCCEED,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                '',
+                CardAuthenticationResult::ENROLLMENT_STATUS_UNAVAILABLE,
+            ],
+            'test_11' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_UNKNOWN,
+                '',
+                CardAuthenticationResult::ENROLLMENT_STATUS_UNAVAILABLE,
+            ],
+            'test_12' => [
+                ThreeDSecure::PROCCEED,
+                CardAuthenticationResult::LIABILITY_SHIFT_NO,
+                '',
+                CardAuthenticationResult::ENROLLMENT_STATUS_BYPASS,
+            ],
+            'test_13' => [
+                ThreeDSecure::RETRY,
+                CardAuthenticationResult::LIABILITY_SHIFT_UNKNOWN,
+                '',
+                '',
+            ],
+        ];
+        return $matrix;
+    }
+}
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