Scripts,
	}
	for _, m := range maps {
		for name, tab := range m {
			i := 0
			for i < len(tab.R16) && tab.R16[i].Hi <= MaxLatin1 {
				i++
			}
			if tab.LatinOffset != i {
				t.Errorf("%s: LatinOffset=%d, want %d", name, tab.LatinOffset, i)
			}
		}
	}
}

func TestSpecialCaseNoMapping(t *testing.T) {
	// Issue 25636
	// no change for rune 'A', zero delta, under upper/lower/title case change.

// The two slices must be in sorted order and non-overlapping.
// Also, R32 should contain only values >= 0x10000 (1<<16).
type RangeTable struct {
	R16         []Range16
	R32         []Range32
	LatinOffset int // number of entries in R16 with Hi <= MaxLatin1
}

// Range16 represents of a range of 16-bit Unicode code points. The range runs from Lo to Hi
// inclusive and has the specified stride.
type Range16 struct {