@Test
public void testLocationExtraction() throws IOException {
// {
// "index" : "test",
// "source" : {
// value : "something"
// }
// }
FastByteArrayOutputStream os = new FastByteArrayOutputStream();
JsonGenerator gen = new JsonFactory().createJsonGenerator(os, JsonEncoding.UTF8);
gen.writeStartObject();
gen.writeStringField("index", "test");
gen.writeFieldName("source");
gen.writeStartObject();
gen.writeStringField("value", "something");
gen.writeEndObject();
gen.writeEndObject();
gen.close();
byte[] data = os.copiedByteArray();
JsonParser parser = new JsonFactory().createJsonParser(data);
assertThat(parser.nextToken(), equalTo(JsonToken.START_OBJECT));
assertThat(parser.nextToken(), equalTo(JsonToken.FIELD_NAME)); // "index"
assertThat(parser.nextToken(), equalTo(JsonToken.VALUE_STRING));
assertThat(parser.nextToken(), equalTo(JsonToken.FIELD_NAME)); // "source"
// JsonLocation location1 = parser.getCurrentLocation();
// parser.skipChildren();
// JsonLocation location2 = parser.getCurrentLocation();
//
// byte[] sourceData = new byte[(int) (location2.getByteOffset() -
// location1.getByteOffset())];
// System.arraycopy(data, (int) location1.getByteOffset(), sourceData, 0,
// sourceData.length);
//
// JsonParser sourceParser = new JsonFactory().createJsonParser(new
// FastByteArrayInputStream(sourceData));
// assertThat(sourceParser.nextToken(), equalTo(JsonToken.START_OBJECT));
// assertThat(sourceParser.nextToken(), equalTo(JsonToken.FIELD_NAME)); // "value"
// assertThat(sourceParser.nextToken(), equalTo(JsonToken.VALUE_STRING));
// assertThat(sourceParser.nextToken(), equalTo(JsonToken.END_OBJECT));
}
