* SPR-6984: attempting to index a collection on write using an index that
* doesn't currently exist in the collection (address.crossStreets[0] below)
*/
@Test
public void initializingCollectionElementsOnWrite() throws Exception {
TestPerson person = new TestPerson();
EvaluationContext context = new StandardEvaluationContext(person);
SpelParserConfiguration config = new SpelParserConfiguration(true, true);
ExpressionParser parser = new SpelExpressionParser(config);
Expression expression = parser.parseExpression("name");
expression.setValue(context, "Oleg");
assertEquals("Oleg", person.getName());
expression = parser.parseExpression("address.street");
expression.setValue(context, "123 High St");
assertEquals("123 High St", person.getAddress().getStreet());
expression = parser.parseExpression("address.crossStreets[0]");
expression.setValue(context, "Blah");
assertEquals("Blah", person.getAddress().getCrossStreets().get(0));
expression = parser.parseExpression("address.crossStreets[3]");
expression.setValue(context, "Wibble");
assertEquals("Blah", person.getAddress().getCrossStreets().get(0));
assertEquals("Wibble", person.getAddress().getCrossStreets().get(3));
}