Add simple tests for ValidatorTypeCode

Author: ehrmann

src/test/java/com/networknt/schema/ValidatorTypeCodeTest.java

@@ -0,0 +1,25 @@
+package com.networknt.schema;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class ValidatorTypeCodeTest {
+
+    @Test
+    public void testFromValueString() {
+        assertEquals(ValidatorTypeCode.ADDITIONAL_PROPERTIES, ValidatorTypeCode.fromValue("additionalProperties"));
+    }
+
+    @Test
+    public void testFromValueAll() {
+        for (ValidatorTypeCode code : ValidatorTypeCode.values()) {
+            assertEquals(code, ValidatorTypeCode.fromValue(code.getValue()));
+        }
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testFromValueMissing() {
+        assertEquals(ValidatorTypeCode.ADDITIONAL_PROPERTIES, ValidatorTypeCode.fromValue("missing"));
+    }
+
+}