public function testAddCategory()
{
$header = new Smtpapi\Header();
$header->addCategory('addCategory');
$header->addCategory('addCategory2');
$this->assertEquals($this->t['add_category'], $header->jsonString());
}
public function testAddCategoryUnicodeUnescape()
{
$header = new Smtpapi\Header();
$header->addCategory('天破活殺');
$header->addCategory('天翔十字鳳');
$options = JSON_UNESCAPED_UNICODE;
$this->assertEquals($this->t['add_category_unicode_unescape'], $header->jsonString($options));
}
