Add test wrt core#1433

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/dataformat/xml/deser/XmlNumberParsingGetType1433Test.java

@@ -0,0 +1,57 @@
+package com.fasterxml.jackson.dataformat.xml.deser;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.core.*;
+import com.fasterxml.jackson.core.exc.StreamReadException;
+
+import com.fasterxml.jackson.dataformat.xml.*;
+
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class XmlNumberParsingGetType1433Test
+    extends XmlTestUtil
+{
+    private final XmlMapper XML_MAPPER = xmlMapper(false);
+
+    // Bit different for XML as there's rarely "native" number tokens
+    @Test
+    void getNumberType() throws Exception
+    {
+       JsonParser p;
+
+        p = _createParser("<root>123</root>");
+        _verifyGetNumberTypeFail(p, "null");
+        assertToken(JsonToken.START_OBJECT, p.nextToken());
+        _verifyGetNumberTypeFail(p, "START_OBJECT");
+        assertToken(JsonToken.FIELD_NAME, p.nextToken());
+        _verifyGetNumberTypeFail(p, "FIELD_NAME");
+        assertToken(JsonToken.VALUE_STRING, p.nextToken());
+        assertTrue(p.isExpectedNumberIntToken());
+        assertToken(JsonToken.VALUE_NUMBER_INT, p.currentToken());
+        assertEquals(JsonParser.NumberType.INT, p.getNumberType());
+        assertToken(JsonToken.END_OBJECT, p.nextToken());
+        _verifyGetNumberTypeFail(p, "END_OBJECT");
+        assertNull(p.nextToken());
+        _verifyGetNumberTypeFail(p, "null");
+        p.close();
+        _verifyGetNumberTypeFail(p, "null");
+    }
+
+    private void _verifyGetNumberTypeFail(JsonParser p, String token) throws Exception
+    {
+        try {
+            p.getNumberType();
+            fail("Should not pass");
+        } catch (StreamReadException e) {
+            verifyException(e, "Current token ("+token+") not numeric, can not use numeric");
+        }
+    }
+
+    private JsonParser _createParser(String text) throws Exception {
+        return XML_MAPPER.createParser(text);
+    }
+}