Add test(s) for #337: support pretty-printing for Ion

ion/src/main/java/tools/jackson/dataformat/ion/IonFactory.java

@@ -482,9 +482,9 @@ private JsonParser _createParser(ObjectReadContext readCtxt, IOContext ioCtxt,
     protected IonGenerator _createGenerator(ObjectWriteContext writeCtxt,
             OutputStream out, JsonEncoding enc, boolean isManaged)
      {
-        IonWriter ion;
         IOContext ioCtxt = _createContext(_createContentReference(out), isManaged);
-        Closeable dst; // not necessarily same as 'out'...
+        final IonWriter ion;
+        final Closeable dst; // not necessarily same as 'out'...
 
         // Binary writers are simpler: no alternate encodings
         if (_cfgBinaryWriters) {

ion/src/test/java/tools/jackson/dataformat/ion/PrettyPrintWriteTest.java → ion/src/test/java/tools/jackson/dataformat/ion/IonPrettyPrintWriteTest.java

@@ -10,38 +10,46 @@
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 // For [dataformats-binary#245]: no pretty-printing for textual format
-public class PrettyPrintWriteTest
+public class IonPrettyPrintWriteTest
 {
     @JsonPropertyOrder({ "x", "y" })
     static class Point {
         public int x = 1;
         public int y = 2;
     }
 
+    private final IonObjectMapper TEXTUAL_MAPPER = IonObjectMapper.builder(IonFactory.forTextualWriters()).build();
+
     @Test
-    public void testBasicPrettyPrintTextual() throws Exception
+    public void prettyPrintTextual() throws Exception
     {
         final String EXP = "{\n  x:1,\n  y:2\n}";
 
-        IonObjectMapper mapper = IonObjectMapper.builder(IonFactory.forTextualWriters()).build();
-        String ion = mapper.writerWithDefaultPrettyPrinter()
+        String ion = TEXTUAL_MAPPER.writerWithDefaultPrettyPrinter()
                 .writeValueAsString(new Point());
         assertEquals(EXP, ion.trim());
 
-        ion = mapper.writer()
+        ion = TEXTUAL_MAPPER.writer()
                 .with(SerializationFeature.INDENT_OUTPUT)
                 .writeValueAsString(new Point());
         assertEquals(EXP, ion.trim());
 
+        IonObjectMapper mapper = TEXTUAL_MAPPER.rebuild()
+                .enable(SerializationFeature.INDENT_OUTPUT)
+                .build();
+        ion = mapper.writeValueAsString(new Point());
+        assertEquals(EXP, ion.trim());
+
         // But also no indentation if not requested
         ion = mapper.writer()
+                .without(SerializationFeature.INDENT_OUTPUT)
                 .writeValueAsString(new Point());
         assertEquals("{x:1,y:2}", ion.trim());
     }
 
     // and with binary format, should simply be no-op
     @Test
-    public void testIgnorePrettyPrintForBinary() throws Exception
+    public void prettyPrintIgnoredForBinary() throws Exception
     {
         IonObjectMapper mapper = IonObjectMapper.builder(IonFactory.forBinaryWriters()).build();
         byte[] encoded = mapper.writerWithDefaultPrettyPrinter().writeValueAsBytes(new Point());

smile/src/test/java/tools/jackson/dataformat/smile/BaseTestForSmile.java

@@ -207,7 +207,8 @@ public static IOContext testIOContext() {
     protected JsonParser createParserUsingStream(TokenStreamFactory f, byte[] input)
         throws IOException
     {
-        return f.createParser(new ByteArrayInputStream(input));
+        return f.createParser(ObjectReadContext.empty(),
+                new ByteArrayInputStream(input));
     }
 
     /*