test: add test of stream Transform

kt3k · gibfahn · commit f19eab2db6e3 · 2017-12-19T21:57:34.000Z
Add a test case of Transform constructor without new. PR-URL: #17303 Reviewed-By: Ron Korving <ron@ronkorving.nl> Reviewed-By: Yosuke Furukawa <yosuke.furukawa@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
diff --git a/test/parallel/test-stream2-transform.js b/test/parallel/test-stream2-transform.js
@@ -96,6 +96,13 @@ const Transform = require('_stream_transform');
   assert(pt instanceof PassThrough);
 }
 
+{
+  // Verify transform constructor behavior
+  const pt = Transform();
+
+  assert(pt instanceof Transform);
+}
+
 {
   // Perform a simple transform
   const pt = new Transform();

Original file line number	Diff line number	Diff line change
`@@ -96,6 +96,13 @@ const Transform = require('_stream_transform');`
`96`	`96`	`assert(pt instanceof PassThrough);`
`97`	`97`	`}`
`98`	`98`
	`99`	`+{`
	`100`	`+ // Verify transform constructor behavior`
	`101`	`+ const pt = Transform();`
	`102`	`+`
	`103`	`+ assert(pt instanceof Transform);`
	`104`	`+}`
	`105`	`+`
`99`	`106`	`{`
`100`	`107`	`// Perform a simple transform`
`101`	`108`	`const pt = new Transform();`