predef:       predefinedOffsetTable[:],
		},
		{
			name:         "match",
			distribution: matchPredefinedDistribution,
			tableBits:    6,
			toBaseline:   (*Reader).makeMatchBaselineFSE,
			predef:       predefinedMatchTable[:],
		},
	}
	for _, test := range tests {
		test := test
		t.Run(test.name, func(t *testing.T) {
			var r Reader
			table := make([]fseEntry, 1<<test.tableBits)

	{268435453, 28, 5, 0}, {134217725, 27, 5, 0}, {67108861, 26, 5, 0},
	{33554429, 25, 5, 0}, {16777213, 24, 5, 0},
}

// predefinedMatchTable is the predefined table to use for match lengths.
// Generated from table in RFC 3.1.1.3.2.2.2.
// Checked by TestPredefinedTables.
var predefinedMatchTable = [...]fseBaselineEntry{
	{3, 0, 6, 0}, {4, 0, 4, 0}, {5, 0, 5, 32},
	{6, 0, 5, 0}, {8, 0, 5, 0}, {9, 0, 5, 0},

		predefTable:     predefinedOffsetTable[:],
		predefTableBits: 5,
		maxSym:          31,
		maxBits:         8,
		toBaseline:      (*Reader).makeOffsetBaselineFSE,
	},
	seqMatch: {
		predefTable:     predefinedMatchTable[:],
		predefTableBits: 6,
		maxSym:          52,
		maxBits:         9,
		toBaseline:      (*Reader).makeMatchBaselineFSE,
	},
}

// initSeqs reads the Sequences_Section_Header and sets up the FSE