test: add test for writable.write() argument types

PR-URL: #29746 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Rich Trott <[email protected]>
nodejs · Oct 9, 2019 · bf1727a · bf1727a
1 parent 79f6cd3
commit bf1727a
Showing 1 changed file with 35 additions and 0 deletions.
diff --git a/test/parallel/test-stream-writable-invalid-chunk.js b/test/parallel/test-stream-writable-invalid-chunk.js
@@ -0,0 +1,35 @@
+'use strict';
+
+const common = require('../common');
+const stream = require('stream');
+
+function testWriteType(val, objectMode, code) {
+  const writable = new stream.Writable({
+    objectMode,
+    write: () => {}
+  });
+  if (!code) {
+    writable.on('error', common.mustNotCall());
+  } else {
+    writable.on('error', common.expectsError({
+      code: code,
+    }));
+  }
+  writable.write(val);
+}
+
+testWriteType([], false, 'ERR_INVALID_ARG_TYPE');
+testWriteType({}, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(0, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(true, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(0.0, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(undefined, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(null, false, 'ERR_STREAM_NULL_VALUES');
+
+testWriteType([], true);
+testWriteType({}, true);
+testWriteType(0, true);
+testWriteType(true, true);
+testWriteType(0.0, true);
+testWriteType(undefined, true);
+testWriteType(null, true, 'ERR_STREAM_NULL_VALUES');