Add some more failing tests (#318 and #319)

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/dataformat/xml/failing/EmptyBeanDeser318Test.java

@@ -0,0 +1,102 @@
+package com.fasterxml.jackson.dataformat.xml.failing;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlText;
+
+public class EmptyBeanDeser318Test extends XmlTestBase
+{
+    static class Wrapper {
+        @JacksonXmlProperty(localName = "id")
+        String id;
+        @JacksonXmlProperty(localName = "nested")
+        Nested nested;
+    }
+
+    static class Nested {
+        @JacksonXmlProperty(localName = "nested2")
+        Nested2 nested2;
+    }
+
+    static class Nested2 {
+        @JacksonXmlProperty(localName = "attr", isAttribute = true)
+        String attr;
+        @JacksonXmlText
+        String value;
+    }
+
+    /*
+    /**********************************************************************
+    /* Test methods
+    /**********************************************************************
+     */
+
+    private final XmlMapper MAPPER = newMapper();
+
+    public void testEmptyString() throws Exception {
+        String s = "<wrapper>"
+                + "  <id>id</id>"
+                + "  <nested></nested>"
+                + "</wrapper>";
+
+        Wrapper value = MAPPER.readValue(s, Wrapper.class);
+        assertEquals("id", value.id);
+        assertNull(value.nested);
+    }
+
+    public void testBlankString() throws Exception {
+        String s = "<wrapper>"
+                + "  <id>id</id>"
+                + "  <nested>    </nested>"
+                + "</wrapper>";
+
+        // This fails with the following exception:
+        // com.fasterxml.jackson.databind.exc.MismatchedInputException:
+        // Cannot construct instance of `JacksonXMLTest$Nested` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('    ')
+        Wrapper value = MAPPER.readValue(s, Wrapper.class);
+        assertEquals("id", value.id);
+        assertNull(value.nested);
+    }
+
+    public void testBlankString2() throws Exception {
+        String s = "<wrapper>"
+                + "  <id>id</id>"
+                + "  <nested>    </nested>"
+                + "</wrapper>";
+
+        // This fails with the following exception:
+        // com.fasterxml.jackson.databind.exc.MismatchedInputException:
+        // Cannot construct instance of `JacksonXMLTest$Nested` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('    ')
+        Wrapper value = MAPPER.readerFor(Wrapper.class)
+                .with(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT)
+                .readValue(s);
+        assertEquals("id", value.id);
+        assertNull(value.nested);
+    }
+
+    public void testMissing() throws Exception {
+        String s = "<wrapper>"
+                + "  <id>id</id>"
+                + "</wrapper>";
+
+        Wrapper value = MAPPER.readValue(s, Wrapper.class);
+        assertEquals("id", value.id);
+        assertNull(value.nested);
+    }
+
+    public void testValidStructure() throws Exception {
+        String s = "<wrapper>"
+                + "  <id>id</id>"
+                + "  <nested>"
+                + "    <nested2 attr=\"test\"><![CDATA[Some text]]></nested2>"
+                + "  </nested>"
+                + "</wrapper>";
+
+        Wrapper value = MAPPER.readValue(s, Wrapper.class);
+        assertEquals("id", value.id);
+        assertEquals("test", value.nested.nested2.attr);
+        assertEquals("Some text", value.nested.nested2.value);
+    }
+}

src/test/java/com/fasterxml/jackson/dataformat/xml/failing/ListDeser319Test.java

@@ -0,0 +1,31 @@
+package com.fasterxml.jackson.dataformat.xml.failing;
+
+import java.util.*;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlTestBase;
+
+public class ListDeser319Test extends XmlTestBase
+{
+    static class Value319 {
+        public Long orderId, orderTypeId;
+    }    
+
+    /*
+    /**********************************************************************
+    /* Test methods
+    /**********************************************************************
+     */
+
+    private final XmlMapper MAPPER = newMapper();
+
+    public void testEmptyList319() throws Exception
+    {
+        final String DOC = "<orders></orders>";
+        List<Value319> value = MAPPER.readValue(DOC,
+                new TypeReference<List<Value319>>() { });
+        assertNotNull(value);
+        assertEquals(0, value.size());
+    }
+}