14   { encoding: 'utf-8', input: [0xFF], name: 'invalid code' },  property
15   { encoding: 'utf-8', input: [0xC0], name: 'ends early' },  property
16   { encoding: 'utf-8', input: [0xE0], name: 'ends early 2' },  property
17   { encoding: 'utf-8', input: [0xC0, 0x00], name: 'invalid trail' },  property
18   { encoding: 'utf-8', input: [0xC0, 0xC0], name: 'invalid trail 2' },  property
19   { encoding: 'utf-8', input: [0xE0, 0x00], name: 'invalid trail 3' },  property
20   { encoding: 'utf-8', input: [0xE0, 0xC0], name: 'invalid trail 4' },  property
21   { encoding: 'utf-8', input: [0xE0, 0x80, 0x00], name: 'invalid trail 5' },  property
22   { encoding: 'utf-8', input: [0xE0, 0x80, 0xC0], name: 'invalid trail 6' },  property
23   { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80],  property
25   { encoding: 'utf-8', input: [0xFE, 0x80, 0x80, 0x80, 0x80, 0x80],  property
28   { encoding: 'utf-8', input: [0xC0, 0x80], name: 'overlong U+0000 - 2 bytes' },  property
29   { encoding: 'utf-8', input: [0xE0, 0x80, 0x80],  property
31   { encoding: 'utf-8', input: [0xF0, 0x80, 0x80, 0x80],  property
33   { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x80, 0x80],  property
35   { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x80, 0x80],  property
37   { encoding: 'utf-8', input: [0xC1, 0xBF], name: 'overlong U+007F - 2 bytes' },  property
38   { encoding: 'utf-8', input: [0xE0, 0x81, 0xBF],  property
40   { encoding: 'utf-8', input: [0xF0, 0x80, 0x81, 0xBF],  property
42   { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x81, 0xBF],  property
44   { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x81, 0xBF],  property
46   { encoding: 'utf-8', input: [0xE0, 0x9F, 0xBF],  property
48   { encoding: 'utf-8', input: [0xF0, 0x80, 0x9F, 0xBF],  property
50   { encoding: 'utf-8', input: [0xF8, 0x80, 0x80, 0x9F, 0xBF],  property
52   { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x80, 0x9F, 0xBF],  property
54   { encoding: 'utf-8', input: [0xF0, 0x8F, 0xBF, 0xBF],  property
56   { encoding: 'utf-8', input: [0xF8, 0x80, 0x8F, 0xBF, 0xBF],  property
58   { encoding: 'utf-8', input: [0xFC, 0x80, 0x80, 0x8F, 0xBF, 0xBF],  property
60   { encoding: 'utf-8', input: [0xF8, 0x84, 0x8F, 0xBF, 0xBF],  property
62   { encoding: 'utf-8', input: [0xFC, 0x80, 0x84, 0x8F, 0xBF, 0xBF],  property
65   { encoding: 'utf-8', input: [0xED, 0xA0, 0x80], name: 'lead surrogate' },  property
66   { encoding: 'utf-8', input: [0xED, 0xB0, 0x80], name: 'trail surrogate' },  property
67   { encoding: 'utf-8', input: [0xED, 0xA0, 0x80, 0xED, 0xB0, 0x80],  property
69   { encoding: 'utf-16le', input: [0x00], name: 'truncated code unit' },  property
77       new TextDecoder(t.encoding, { fatal: true })