1 files changed, 38 insertions, 6 deletions
diff --git a/tools/permission_prompt_test.ts b/tools/permission_prompt_test.ts
index 0d5b86451..a4c9e4362 100644
--- a/tools/permission_prompt_test.ts
+++ b/tools/permission_prompt_test.ts
@@ -1,21 +1,54 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-const { args, listen, env, exit, makeTempDirSync, readFile, run } = Deno;
+const { args, listen, env, exit, makeTempDirSync, readFileSync, run } = Deno;
+
+const firstCheckFailedMessage = "First check failed";
 
 const name = args[1];
 const test = {
-  needsRead: () => {
-    readFile("package.json");
+  needsRead: async () => {
+    try {
+      readFileSync("package.json");
+    } catch (e) {
+      console.log(firstCheckFailedMessage);
+    }
+    readFileSync("package.json");
   },
   needsWrite: () => {
+    try {
+      makeTempDirSync();
+    } catch (e) {
+      console.log(firstCheckFailedMessage);
+    }
     makeTempDirSync();
   },
   needsEnv: () => {
+    try {
+      env().home;
+    } catch (e) {
+      console.log(firstCheckFailedMessage);
+    }
     env().home;
   },
   needsNet: () => {
-    listen("tcp", "127.0.0.1:4540");
+    try {
+      listen("tcp", "127.0.0.1:4540");
+    } catch (e) {
+      console.log(firstCheckFailedMessage);
+    }
+    listen("tcp", "127.0.0.1:4541");
   },
-  needsRun: async () => {
+  needsRun: () => {
+    try {
+      const process = run({
+        args: [
+          "python",
+          "-c",
+          "import sys; sys.stdout.write('hello'); sys.stdout.flush()"
+        ]
+      });
+    } catch (e) {
+      console.log(firstCheckFailedMessage);
+    }
     const process = run({
       args: [
         "python",
@@ -23,7 +56,6 @@ const test = {
         "import sys; sys.stdout.write('hello'); sys.stdout.flush()"
       ]
     });
-    await process.status();
   }
 }[name];