test: writable stream finished state

Add a test for _writableState.finished. PR-URL: #8791 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Related: #8686
nodejs · Nov 17, 2016 · 80a26c7 · 80a26c7
1 parent f9baa11
commit 80a26c7
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/test/parallel/test-stream-writable-finished-state.js b/test/parallel/test-stream-writable-finished-state.js
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+'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);
+}));