{"*", "", true},
		{"*.com", "*.foo.com", true},
		{"foo.com", "*.foo.com", false},
		{"*.foo.bar.baz", "baz", false},
	}
	for n := 0; n < b.N; n++ {
		for _, test := range tests {
			doesMatch := test.a.Matches(test.z)
			if doesMatch != test.matches {
				b.Fatalf("does not match")
			}
		}
	}

		for _, expectedChain := range test.expectedChains {
			if doesMatch(expectedChain, chain) {
				nMatched++
			}
		}
		// Allow additional unknown chains if systemLax is set
		if nMatched == 0 && test.systemLax == false || nMatched > 1 {
			t.Errorf("Got %v matches for chain %v", nMatched, chainToDebugString(chain))
			for _, expectedChain := range test.expectedChains {
				if doesMatch(expectedChain, chain) {