Further refactoring of KeyRingBuilder

pgpainless-core/src/test/java/org/pgpainless/key/KeyFlagTest.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2020 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.key;
+
+import static junit.framework.TestCase.assertEquals;
+import static junit.framework.TestCase.assertFalse;
+import static junit.framework.TestCase.assertTrue;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+import org.pgpainless.algorithm.KeyFlag;
+
+public class KeyFlagTest {
+
+    @Test
+    public void hasKeyFlagTest() {
+        int mask = KeyFlag.toBitmask(KeyFlag.AUTHENTICATION, KeyFlag.CERTIFY_OTHER, KeyFlag.SIGN_DATA);
+        assertEquals(0x23, mask);
+        assertEquals(Arrays.asList(KeyFlag.CERTIFY_OTHER, KeyFlag.SIGN_DATA, KeyFlag.AUTHENTICATION),
+                KeyFlag.fromBitmask(mask));
+
+        assertTrue(KeyFlag.hasKeyFlag(mask, KeyFlag.CERTIFY_OTHER));
+        assertTrue(KeyFlag.hasKeyFlag(mask, KeyFlag.AUTHENTICATION));
+        assertTrue(KeyFlag.hasKeyFlag(mask, KeyFlag.SIGN_DATA));
+
+        assertFalse(KeyFlag.hasKeyFlag(mask, KeyFlag.ENCRYPT_STORAGE));
+        assertFalse(KeyFlag.hasKeyFlag(mask, KeyFlag.SHARED));
+    }
+}