test: string-decorater.lastChar

Added test for string-decorater.lastChar to improve coverage.

PR-URL: https://github.com/nodejs/node/pull/21084
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Lance Ball <lball@redhat.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
This commit is contained in:
Masashi Hirano 2018-06-01 23:02:13 +09:00 committed by Lance Ball
parent 41843e23f2
commit 42adb65d2f
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@ -90,7 +90,8 @@ test('utf16le', Buffer.from('3DD84DDC', 'hex'), '\ud83d\udc4d'); // thumbs up
decoder = new StringDecoder('utf8');
assert.strictEqual(decoder.write(Buffer.from('E1', 'hex')), '');
// A quick test for lastNeed & lastTotal which are undocumented.
// A quick test for lastChar, lastNeed & lastTotal which are undocumented.
assert(decoder.lastChar.equals(new Uint8Array([0xe1, 0, 0, 0])));
assert.strictEqual(decoder.lastNeed, 2);
assert.strictEqual(decoder.lastTotal, 3);