From 9587d52f298c0b5f9226b416b076988a2aa22877 Mon Sep 17 00:00:00 2001
From: Paul Schaub <vanitasvitae@fsfe.org>
Date: Thu, 25 Feb 2021 20:02:42 +0100
Subject: [PATCH] Add test for Feature class

---
 .../org/pgpainless/algorithm/FeatureTest.java | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 pgpainless-core/src/test/java/org/pgpainless/algorithm/FeatureTest.java

diff --git a/pgpainless-core/src/test/java/org/pgpainless/algorithm/FeatureTest.java b/pgpainless-core/src/test/java/org/pgpainless/algorithm/FeatureTest.java
new file mode 100644
index 00000000..bd684429
--- /dev/null
+++ b/pgpainless-core/src/test/java/org/pgpainless/algorithm/FeatureTest.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2021 Paul Schaub.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.pgpainless.algorithm;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class FeatureTest {
+
+    @Test
+    public void testModificationDetection() {
+        Feature modificationDetection = Feature.MODIFICATION_DETECTION;
+        assertEquals(0x01, modificationDetection.getFeatureId());
+        assertEquals(modificationDetection, Feature.fromId((byte) 0x01));
+    }
+
+    @Test
+    public void testFromInvalidIdIsNull() {
+        assertNull(Feature.fromId((byte) 0x99));
+    }
+}