Merge minor pieces of #4515 work, test improvements etc

Author: cowtowncoder

src/main/java/com/fasterxml/jackson/databind/deser/BasicDeserializerFactory.java

@@ -1155,7 +1155,7 @@ protected void _validateNamedPropertyParameter(DeserializationContext ctxt,
         // Must be injectable or have name; without either won't work
         if ((name == null) && (injectId == null)) {
             ctxt.reportBadTypeDefinition(beanDesc,
-"Argument #%d of constructor %s has no property name (and is not Injectable): can not use as property-based Creator",
+"Argument #%d of Creator %s has no property name (and is not Injectable): can not use as property-based Creator",
 paramIndex, candidate);
         }
     }

src/test/java/com/fasterxml/jackson/databind/deser/creators/Creators4515Test.java

@@ -0,0 +1,91 @@
+package com.fasterxml.jackson.databind.deser.creators;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
+
+/**
+ * Tests to help cover simpler cases wrt [databind#4515]
+ */
+public class Creators4515Test extends DatabindTestUtil
+{
+    static class ConstructorBeanPropsExplicit {
+        int x;
+
+        @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+        protected ConstructorBeanPropsExplicit(@JsonProperty("x") int x) {
+            this.x = x;
+        }
+    }
+
+    static class ConstructorBeanPropsWithName {
+        int x;
+
+        @JsonCreator
+        protected ConstructorBeanPropsWithName(@JsonProperty("x") int x) {
+            this.x = x;
+        }
+    }
+
+    static class FactoryBeanPropsExplicit {
+        double d;
+
+        private FactoryBeanPropsExplicit(double value, boolean dummy) { d = value; }
+
+        @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+        protected static FactoryBeanPropsExplicit createIt(@JsonProperty("f") double value) {
+            return new FactoryBeanPropsExplicit(value, true);
+        }
+    }
+
+    /*
+    /**********************************************************************
+    /* Test methods, simple Properties-based (constructor) explicitly annotated
+    /**********************************************************************
+     */
+    
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    @Test
+    public void testPropsBasedConstructorExplicit() throws Exception
+    {
+        ConstructorBeanPropsExplicit bean = MAPPER.readValue("{ \"x\" : 42 }",
+                ConstructorBeanPropsExplicit.class);
+        assertEquals(42, bean.x);
+    }
+
+    @Test
+    public void testPropsBasedConstructorWithName() throws Exception
+    {
+        ConstructorBeanPropsWithName bean = MAPPER.readValue("{ \"x\" : 28 }",
+                ConstructorBeanPropsWithName.class);
+        assertEquals(28, bean.x);
+    }
+
+    /*
+    /**********************************************************************
+    /* Test methods, simple Properties-based (constructor) explicitly annotated
+    /**********************************************************************
+     */
+
+    @Test
+    public void testPropsBasedFactoryExplicit() throws Exception
+    {
+        FactoryBeanPropsExplicit bean = MAPPER.readValue("{ \"f\" : 0.5 }",
+                FactoryBeanPropsExplicit.class);
+        assertEquals(0.5, bean.d);
+    }
+
+    /*
+    /**********************************************************************
+    /* Test methods, simple Delegating, explicitly annotated
+    /**********************************************************************
+     */
+
+}

src/test/java/com/fasterxml/jackson/databind/testutil/DatabindTestUtil.java

@@ -354,11 +354,12 @@ public static TypeFactory newTypeFactory() {
      */
 
     public static ObjectMapper newJsonMapper() {
-        return new JsonMapper();
+        return jsonMapperBuilder().build();
     }
 
     public static JsonMapper.Builder jsonMapperBuilder() {
-        return JsonMapper.builder();
+        return JsonMapper.builder()
+            .enable(StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION);
     }
 
     /*