if err := DB.Create(&u1).Error; err != nil {
		t.Fatalf("create u1: %v", err)
	}
	if err := DB.Create(&u2).Error; err != nil {
		t.Fatalf("create u2: %v", err)
	}
	l1 := Language{Code: "zz", Name: "ZZ"}
	l2 := Language{Code: "yy", Name: "YY"}
	DB.FirstOrCreate(&l1, "code = ?", l1.Code)
	DB.FirstOrCreate(&l2, "code = ?", l2.Code)
	if err := DB.Model(&u1).Association("Languages").Append(&l1, &l2); err != nil {

http://\u4f60\u597d\u4f60\u597d  s:http p:/ h:xn--6qqa088eba

# Invalid escaped characters should fail and the percents should be
# escaped. https://www.w3.org/Bugs/Public/show_bug.cgi?id=24191
http://%zz%66%a.com

# If we get an invalid character that has been escaped.
http://%25
http://hello%00

# Escaped numbers should be treated like IP addresses if they are.
# No special handling for IPv4 or IPv4-like URLs

UDï¾5ÚK\BemQ»84N@RM–ƒ1Sqj¬yy1DaoÕ½e_xUs©lû~Al1w@mJmV]ñZK1MsdoïZPY»i~ÿ ‹Vo·Ca¸w`M¸V^ol!¦pyÖ:íU\w¾gy£Ptoˆ»&ê÷åMWGpX{V]¥¦þÀú%µ»†0W÷At~ Ù²˜~mai}Qïxpmh£ÔÖ Ï ð ÷ ,{h\/?ãòcˆcãï÷QlF Zs¼ûXsVãtf€tzk¸~E\ïSBºO^ nôG¾—qn ¸Zãge{éG„]Yw`o + keshÖGG§žXVZBYœ·1FHKq”ÉøÛ ¸ 2eHjMåi¾zz³pkÜK~à¢AcBVt^~iªvEÜP¾ÜQ¾xPï ÌöÛŽ» qV†|¯DOM^uNA†ûèâÙ*' ÈËë qeRÜ: sR 5ˆÜà õüñÌ{ .% )Ò FjDyjØlÖ}yˆyvMVEôPªQSp_YeU\c² +»oe\ûwÀmapgy _sT^w\†1n{DãÌ|f~ÄÌž®’9 ‚¬ l co߀NrG|ûU]IzY¼uòYx}nôÝÌ ×ûZeñ ÿ÷Ûî½t`fVIItiR}^gl~†÷á0û#<À6 ïè€ût¦[Õ:ÌgEoS_ïÀÌÏÌ îØÁü Ñeßâ )1...