Verify WritableStream behaviour when both parts of strategy are bad (#8353)
When both the size and highWaterMark parts of the strategy are bad, a TypeError
should be thrown indicating that the size function was checked first.
Verify that it is.
diff --git a/streams/writable-streams/bad-strategies.js b/streams/writable-streams/bad-strategies.js
index eb14cf2..1dba393 100644
--- a/streams/writable-streams/bad-strategies.js
+++ b/streams/writable-streams/bad-strategies.js
@@ -90,4 +90,11 @@
}));
}, 'Writable stream: invalid strategy.size return value');
+test(() => {
+ assert_throws(new TypeError(), () => new WritableStream(undefined, {
+ size: 'not a function',
+ highWaterMark: NaN
+ }), 'WritableStream constructor should throw a TypeError');
+}, 'Writable stream: invalid size beats invalid highWaterMark');
+
done();
