| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Fetch and source</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <script> |
| promise_test(async () => { |
| let counter = 0; |
| Object.prototype.__defineGetter__("type", function() { |
| counter++; |
| }); |
| |
| const response = await fetch('/'); |
| const fetchReadableStream = response.body; |
| const [r1, r2] = fetchReadableStream.tee(); |
| assert_equals(counter, 0); |
| }, "Only JS streams should check type"); |
| </script> |
| </body> |
| </html> |
