1 files changed, 28 insertions, 4 deletions
diff --git a/js/read_file_test.ts b/js/read_file_test.ts
index db35dd702..34b391345 100644
--- a/js/read_file_test.ts
+++ b/js/read_file_test.ts
@@ -1,8 +1,8 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-import { test, assert, assertEqual } from "./test_util.ts";
+import { testPerm, assert, assertEqual } from "./test_util.ts";
 import * as deno from "deno";
 
-test(function readFileSyncSuccess() {
+testPerm({ read: true }, function readFileSyncSuccess() {
   const data = deno.readFileSync("package.json");
   assert(data.byteLength > 0);
   const decoder = new TextDecoder("utf-8");
@@ -11,7 +11,19 @@ test(function readFileSyncSuccess() {
   assertEqual(pkg.name, "deno");
 });
 
-test(function readFileSyncNotFound() {
+testPerm({ read: false }, function readFileSyncPerm() {
+  let caughtError = false;
+  try {
+    const data = deno.readFileSync("package.json");
+  } catch (e) {
+    caughtError = true;
+    assertEqual(e.kind, deno.ErrorKind.PermissionDenied);
+    assertEqual(e.name, "PermissionDenied");
+  }
+  assert(caughtError);
+});
+
+testPerm({ read: true }, function readFileSyncNotFound() {
   let caughtError = false;
   let data;
   try {
@@ -24,7 +36,7 @@ test(function readFileSyncNotFound() {
   assert(data === undefined);
 });
 
-test(async function readFileSuccess() {
+testPerm({ read: true }, async function readFileSuccess() {
   const data = await deno.readFile("package.json");
   assert(data.byteLength > 0);
   const decoder = new TextDecoder("utf-8");
@@ -32,3 +44,15 @@ test(async function readFileSuccess() {
   const pkg = JSON.parse(json);
   assertEqual(pkg.name, "deno");
 });
+
+testPerm({ read: false }, async function readFilePerm() {
+  let caughtError = false;
+  try {
+    await deno.readFile("package.json");
+  } catch (e) {
+    caughtError = true;
+    assertEqual(e.kind, deno.ErrorKind.PermissionDenied);
+    assertEqual(e.name, "PermissionDenied");
+  }
+  assert(caughtError);
+});