ChaiScript/unittests/index_operator_override.chai

// Test overriding [] operator with various index types (issue #398)

class my_class
{
  def my_class()
  {
  }
};

def `[]`(my_class o, idx)
{
  return "Hello World!";
}

var o = my_class();

// Integer index should work
assert_equal("Hello World!", o[3]);

// String index should work
assert_equal("Hello World!", o["3"]);

// String variable as index should work
var s = "abc";
assert_equal("Hello World!", o[s]);

// Typed string parameter override
class my_class2
{
  def my_class2()
  {
  }
};

def `[]`(my_class2 o, string key)
{
  return "key=" + key;
}

var o2 = my_class2();
assert_equal("key=foo", o2["foo"]);

var key = "bar";
assert_equal("key=bar", o2[key]);