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test: buffer.write with longer string scenario

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Make sure longer strings are written up to the buffer end

Refs: https://github.com/nodejs/node/pull/32119

PR-URL: https://github.com/nodejs/node/pull/32123
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
This commit is contained in:
Harshitha KP authored and Anna Henningsen committed 2020-03-12 16:56:35 +01:00
1 parent 6dca708699
commit 7fcb8da777
1 file changed
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test/parallel/test-buffer-write.js
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@@ -90,6 +90,9 @@ for (let i = 1; i < 4; i++) {
const z = Buffer.alloc(4, 0);
assert.strictEqual(z.write('\u0001', 3, 'ucs2'), 0);
assert.strictEqual(Buffer.compare(z, Buffer.alloc(4, 0)), 0);
// Make sure longer strings are written up to the buffer end.
assert.strictEqual(z.write('abcd', 2), 2);
assert.deepStrictEqual([...z], [0, 0, 0x61, 0x62]);
// Large overrun could corrupt the process
assert.strictEqual(Buffer.alloc(4)