public function testJson()
{
$map = new Map(["a" => 1, "b" => 2, "c" => 3]);
$this->assertEquals('{"a":1,"b":2,"c":3}', $map->toJSON());
}
public function testJson()
{
$map = new Map(["a" => 1, "b" => 2, "c" => 3]);
$this->assertEquals('{"a":1,"b":2,"c":3}', $map->toJSON());
}