test: writable stream finished state

Italo A. Casas · Myles Borins · commit 80a26c754080 · 2016-11-17T18:00:20.000-05:00
Add a test for _writableState.finished. PR-URL: #8791 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Related: #8686
diff --git a/test/parallel/test-stream-writable-finished-state.js b/test/parallel/test-stream-writable-finished-state.js
@@ -0,0 +1,22 @@
+'use strict';
+
+const common = require('../common');
+
+const assert = require('assert');
+const stream = require('stream');
+
+const writable = new stream.Writable();
+
+writable._write = (chunk, encoding, cb) =>{
+ // The state finished should start in false.
+ assert.strictEqual(writable._writableState.finished, false);
+ cb();
+};
+
+writable.on('finish', common.mustCall(() =>{
+ assert.strictEqual(writable._writableState.finished, true);
+}));
+
+writable.end('testing finished state', common.mustCall(() =>{
+ assert.strictEqual(writable._writableState.finished, true);
+}));

-Original file line number
+Diff line change
@@ @@ -0,0 +1,22 @@ @@
 +'use strict';
++
 +constcommon=require('../common');
++
 +constassert=require('assert');
 +conststream=require('stream');
++
 +constwritable=newstream.Writable();
++
 +writable._write=(chunk,encoding,cb)=>{
 +// The state finished should start in false.
 +assert.strictEqual(writable._writableState.finished,false);
 +cb();
 +};
++
 +writable.on('finish',common.mustCall(()=>{
 +assert.strictEqual(writable._writableState.finished,true);
 +}));
++
 +writable.end('testing finished state',common.mustCall(()=>{
 +assert.strictEqual(writable._writableState.finished,true);
 +}));