Add TextTests

Author: jordan-powers

server/src/test/java/org/elasticsearch/common/text/TextTests.java

@@ -0,0 +1,135 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.common.text;
+
+import org.elasticsearch.common.bytes.BytesArray;
+import org.elasticsearch.test.ESTestCase;
+
+import java.nio.charset.StandardCharsets;
+
+public class TextTests extends ESTestCase {
+    public void testConvertToBytes() {
+        String value = randomUnicodeOfLength(randomInt(128));
+        var encoded = new BytesArray(value);
+
+        var text = new Text(value);
+        assertTrue(text.hasString());
+        assertFalse(text.hasBytes());
+
+        assertEquals(value, text.string());
+        assertEquals(encoded, text.bytes());
+
+        assertTrue(text.hasString());
+        assertTrue(text.hasBytes());
+
+        // Ensure the conversion didn't mess up subsequent calls
+        assertEquals(value, text.string());
+        assertEquals(encoded, text.bytes());
+
+        assertSame(text.bytes(), text.bytes());
+    }
+
+    public void testConvertToString() {
+        String value = randomUnicodeOfLength(randomInt(128));
+        var encoded = new BytesArray(value);
+
+        var text = new Text(encoded);
+        assertFalse(text.hasString());
+        assertTrue(text.hasBytes());
+
+        assertEquals(value, text.string());
+        assertEquals(encoded, text.bytes());
+
+        assertFalse(text.hasString());
+        assertTrue(text.hasBytes());
+
+        // Ensure the conversion didn't mess up subsequent calls
+        assertEquals(value, text.string());
+        assertEquals(encoded, text.bytes());
+
+        assertSame(encoded, text.bytes());
+    }
+
+    public void testEquals() {
+        String value = randomUnicodeOfLength(randomInt(128));
+        var encoded = new BytesArray(value);
+
+        {
+            var text1 = new Text(value);
+            var text2 = new Text(value);
+            assertTrue(text1.equals(text2));
+        }
+
+        {
+            var text1 = new Text(value);
+            var text2 = new Text(encoded);
+            assertTrue(text1.equals(text2));
+        }
+
+        {
+            var text1 = new Text(encoded);
+            var text2 = new Text(encoded);
+            assertTrue(text1.equals(text2));
+        }
+    }
+
+    public void testCompareTo() {
+        String value1 = randomUnicodeOfLength(randomInt(128));
+        var encoded1 = new BytesArray(value1);
+
+        {
+            var text1 = new Text(value1);
+            var text2 = new Text(value1);
+            assertEquals(0, text1.compareTo(text2));
+        }
+
+        {
+            var text1 = new Text(value1);
+            var text2 = new Text(encoded1);
+            assertEquals(0, text1.compareTo(text2));
+        }
+
+        {
+            var text1 = new Text(encoded1);
+            var text2 = new Text(encoded1);
+            assertEquals(0, text1.compareTo(text2));
+        }
+
+        String value2 = randomUnicodeOfLength(randomInt(128));
+        var encoded2 = new BytesArray(value2);
+
+        int compSign = (int) Math.signum(encoded1.compareTo(encoded2));
+
+        {
+            var text1 = new Text(value1);
+            var text2 = new Text(value2);
+            assertEquals(compSign, (int) Math.signum(text1.compareTo(text2)));
+        }
+
+        {
+            var text1 = new Text(value1);
+            var text2 = new Text(encoded2);
+            assertEquals(compSign, (int) Math.signum(text1.compareTo(text2)));
+        }
+
+        {
+            var text1 = new Text(encoded1);
+            var text2 = new Text(value2);
+            assertEquals(compSign, (int) Math.signum(text1.compareTo(text2)));
+        }
+
+        {
+            var text1 = new Text(encoded1);
+            var text2 = new Text(encoded2);
+            assertEquals(compSign, (int) Math.signum(text1.compareTo(text2)));
+        }
+    }
+
+}