1 files changed, 28 insertions, 0 deletions
diff --git a/cli/js/permissions_test.ts b/cli/js/permissions_test.ts
new file mode 100644
index 000000000..6511c2dcb
--- /dev/null
+++ b/cli/js/permissions_test.ts
@@ -0,0 +1,28 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { testPerm, assert, assertEquals } from "./test_util.ts";
+
+const knownPermissions: Deno.Permission[] = [
+  "run",
+  "read",
+  "write",
+  "net",
+  "env",
+  "hrtime"
+];
+
+for (const grant of knownPermissions) {
+  testPerm({ [grant]: true }, function envGranted(): void {
+    const perms = Deno.permissions();
+    assert(perms !== null);
+    for (const perm in perms) {
+      assertEquals(perms[perm], perm === grant);
+    }
+
+    Deno.revokePermission(grant);
+
+    const revoked = Deno.permissions();
+    for (const perm in revoked) {
+      assertEquals(revoked[perm], false);
+    }
+  });
+}