public void testEmptyArrayWrite() throws Exception {
StringWriter sw = new StringWriter();
JsonGenerator gen = new JsonFactory().createGenerator(sw);
JsonStreamContext ctxt = gen.getOutputContext();
assertTrue(ctxt.inRoot());
assertFalse(ctxt.inArray());
assertFalse(ctxt.inObject());
assertEquals(0, ctxt.getEntryCount());
assertEquals(0, ctxt.getCurrentIndex());
gen.writeStartArray();
ctxt = gen.getOutputContext();
assertFalse(ctxt.inRoot());
assertTrue(ctxt.inArray());
assertFalse(ctxt.inObject());
assertEquals(0, ctxt.getEntryCount());
assertEquals(0, ctxt.getCurrentIndex());
gen.writeEndArray();
ctxt = gen.getOutputContext();
assertTrue("Should be in root, was " + ctxt.getTypeDesc(), ctxt.inRoot());
assertFalse(ctxt.inArray());
assertFalse(ctxt.inObject());
assertEquals(1, ctxt.getEntryCount());
// Index won't yet move
assertEquals(0, ctxt.getCurrentIndex());
gen.close();
String docStr = sw.toString();
JsonParser jp = createParserUsingReader(docStr);
assertEquals(JsonToken.START_ARRAY, jp.nextToken());
assertEquals(JsonToken.END_ARRAY, jp.nextToken());
jp.close();
// Ok, then array with nested empty array
sw = new StringWriter();
gen = new JsonFactory().createGenerator(sw);
gen.writeStartArray();
gen.writeStartArray();
gen.writeEndArray();
gen.writeEndArray();
gen.close();
docStr = sw.toString();
jp = createParserUsingReader(docStr);
assertEquals(JsonToken.START_ARRAY, jp.nextToken());
assertEquals(JsonToken.START_ARRAY, jp.nextToken());
assertEquals(JsonToken.END_ARRAY, jp.nextToken());
assertEquals(JsonToken.END_ARRAY, jp.nextToken());
assertEquals(null, jp.nextToken());
jp.close();
}
