@SuppressWarnings("unchecked")
@Test
public void testBasic() {
MapJsonRenderer renderer = new MapJsonRenderer(false);
JSONStringer jsonWriter = new JSONStringer();
jsonWriter.addRenderer(renderer);
Map<String, Object> map = new LinkedHashMap<String, Object>();
jsonWriter.value(map);
assertEquals(jsonWriter.toString(), "{}");
jsonWriter = new JSONStringer();
jsonWriter.addRenderer(renderer);
map.put("foo", true);
// check recursion
map.put("bar", new LinkedHashMap());
map.put("str", "\'\":);");
jsonWriter.value(map);
assertEquals(jsonWriter.toString(), "{\"foo\":true,\"bar\":{},\"str\":\"'\\\":);\"}");
}
/** allow null values but not null keys */
@Test
public void testAllowNulls() {
MapJsonRenderer renderer = new MapJsonRenderer(true);
JSONStringer jsonWriter = new JSONStringer();
jsonWriter.addRenderer(renderer);
Map<String, Object> map = new LinkedHashMap<String, Object>();
map.put("ff", null);
jsonWriter.value(map);
assertEquals(jsonWriter.toString(), "{\"ff\":null}");
}
@Test
public void testNullFiltering() {
MapJsonRenderer renderer = new MapJsonRenderer(false);
JSONStringer jsonWriter = new JSONStringer();
jsonWriter.addRenderer(renderer);
Map<String, Object> map = new LinkedHashMap<String, Object>();
map.put(null, "gg");
map.put("ff", null);
jsonWriter.value(map);
assertEquals(jsonWriter.toString(), "{}");
}