test: add coverage for utf8CheckIncomplete()

sushi90 · targos · commit 48f88696858b · 2017-02-18T16:04:09.000+01:00
This commit adds code coverage to utf8CheckIncomplete(), when the lastNeed is greater than buffer length. PR-URL: #11419 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
diff --git a/test/parallel/test-string-decoder.js b/test/parallel/test-string-decoder.js
@@ -83,6 +83,9 @@ assert.strictEqual(decoder.write(Buffer.from('F1', 'hex')), '');
 assert.strictEqual(decoder.write(Buffer.from('41F2', 'hex')), '\ufffdA');
 assert.strictEqual(decoder.end(), '\ufffd');
 
+// Additional utf8Text test
+decoder = new StringDecoder('utf8');
+assert.strictEqual(decoder.text(Buffer.from([0x41]), 2), '');
 
 // Additional UTF-16LE surrogate pair tests
 decoder = new StringDecoder('utf16le');
