| <!doctype html> |
| <meta charset=utf-8> |
| <title>Test WebIDL conversion when querying the "midi" permission</title> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <div id="log"></div> |
| |
| <script> |
| promise_test(async (test) => { |
| let calledCount = 0; |
| const status = await navigator.permissions.query({ |
| get name() { |
| calledCount++; |
| return "midi"; |
| }, |
| }); |
| assert_true(status instanceof PermissionStatus); |
| assert_equals(status.name, "midi", `permission's name should be "midi"`); |
| // |
| // First call should be from: |
| // |
| // Let rootDesc be the object permissionDesc refers to, converted to an |
| // IDL value of type PermissionDescriptor. |
| // |
| // Second from: |
| // |
| // Let typedDescriptor be the object permissionDesc refers to, |
| // converted to an IDL value of rootDesc's name's permission descriptor |
| // type. |
| // |
| // See: https://w3c.github.io/permissions/#query-method |
| // |
| assert_equals(calledCount, 2, "midi permission should be converted twice"); |
| }, `querying the "midi" permission requires two WebIDL conversions`); |
| </script> |
