8 const ab = new ArrayBuffer(LENGTH);  constant
9 const dv = new DataView(ab);
10 const ui = new Uint8Array(ab);
11 const buf = Buffer.from(ab);
16 assert.strictEqual(buf.buffer, ab);
17 assert.strictEqual(buf.length, ab.byteLength);
53   const ab = new Uint8Array(5);  constant
54   ab[0] = 1;
55   ab[1] = 2;
56   ab[2] = 3;
57   ab[3] = 4;
58   ab[4] = 5;
59   const buf = Buffer.from(ab.buffer, 1, 3);
65   assert.strictEqual(ab[1], 9);
67   assert.throws(() => Buffer.from(ab.buffer, 6), {
72   assert.throws(() => Buffer.from(ab.buffer, 3, 6), {
81   const ab = new Uint8Array(5);  constant
82   ab[0] = 1;
83   ab[1] = 2;
84   ab[2] = 3;
85   ab[3] = 4;
86   ab[4] = 5;
87   const buf = Buffer(ab.buffer, 1, 3);
93   assert.strictEqual(ab[1], 9);
95   assert.throws(() => Buffer(ab.buffer, 6), {
100   assert.throws(() => Buffer(ab.buffer, 3, 6), {
109   const ab = new ArrayBuffer(10);  constant
110   const expected = Buffer.from(ab, 0);
111   assert.deepStrictEqual(Buffer.from(ab, 'fhqwhgads'), expected);
112   assert.deepStrictEqual(Buffer.from(ab, NaN), expected);
113   assert.deepStrictEqual(Buffer.from(ab, {}), expected);
114   assert.deepStrictEqual(Buffer.from(ab, []), expected);
117   assert.deepStrictEqual(Buffer.from(ab, [1]), Buffer.from(ab, 1));
121     Buffer.from(ab, Infinity);
131   const ab = new ArrayBuffer(10);  constant
132   const expected = Buffer.from(ab, 0, 0);
133   assert.deepStrictEqual(Buffer.from(ab, 0, 'fhqwhgads'), expected);
134   assert.deepStrictEqual(Buffer.from(ab, 0, NaN), expected);
135   assert.deepStrictEqual(Buffer.from(ab, 0, {}), expected);
136   assert.deepStrictEqual(Buffer.from(ab, 0, []), expected);
139   assert.deepStrictEqual(Buffer.from(ab, 0, [1]), Buffer.from(ab, 0, 1));
143     Buffer.from(ab, 0, Infinity);