}
					a[diffpos] = 0
				}
			}
		}
	}
}

var indexTests = []BinOpTest{
	{"", "", 0},
	{"", "a", -1},
	{"", "foo", -1},
	{"fo", "foo", -1},
	{"foo", "baz", -1},
	{"foo", "foo", 0},
	{"oofofoofooo", "f", 2},
	{"oofofoofooo", "foo", 4},
	{"barfoobarfoo", "foo", 3},
	{"foo", "", 0},
	{"foo", "o", 1},
	{"abcABCabc", "A", 3},

vog??ei?ffoc?gg?r&f?ged???f&a&c?s??il??g!.&gro?lim?moc?t&en?vp??ude?vog??a&f?gtrom?p!.&3xlh,detalsnart,grebedoc,kselp,mea,sndp,tengam,xlh,y&cvrp,kcor,???rots?yov??elloc?na&hcxe?ro!.hcet,??roeg?ug??i!.&pohsdaerpsym,topsgolb,vog??tilop?v&bba?om???j!.&fo,gro?oc?ten???k!.&c&a?s??e&m?n??ibom?o&c!.topsgolb,?fni?g??ro??i&b?l?n???l&a&dmrif?s!rof???b&a?i&b?dua???c&aro?ric??dnik?g!oog??i&bom?ms??l&asal?erauqa??ppa?uhcs?yts!efil???m!.&4&32i,p&ct,v,??66c,ailisarb,b&dnevar,g-raegelif,?ca?duolcsd,e&d-raegelif...