public function testJoin()
{
$array = a("a", "b", "c");
$joined = $array->join(", ");
$this->assertTrue($joined->equals("a, b, c"));
$array = a(true, false, true);
$joined = $array->join(", ");
$this->assertTrue($joined->equals("1, 0, 1"));
$array = a(12, 34, 56);
$joined = $array->join(", ");
$this->assertTrue($joined->equals("12, 34, 56"));
$array = a(1.2, 3.4, 5.6);
$joined = $array->join(", ");
$this->assertTrue($joined->equals("1.2, 3.4, 5.6"));
$array = a("a", "b", "c");
$joined = $array->join("");
$this->assertTrue($joined->equals("abc"));
// Special cases.
$array = new CArrayObject();
$joined = $array->join("");
$this->assertTrue($joined->equals(""));
$array = new CArrayObject();
$joined = $array->join(", ");
$this->assertTrue($joined->equals(""));
}
