From 87f8f99c49e62c06f85bb453a7c12b32634c3bef Mon Sep 17 00:00:00 2001
From: Casper Beyer <caspervonb@pm.me>
Date: Thu, 25 Jun 2020 06:57:08 +0800
Subject: refactor(cli/tests/unit) to use assertThrows (#6459)

---
 cli/tests/unit/truncate_test.ts | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

(limited to 'cli/tests/unit/truncate_test.ts')

diff --git a/cli/tests/unit/truncate_test.ts b/cli/tests/unit/truncate_test.ts
index 82f8f03eb..0a7e20ab1 100644
--- a/cli/tests/unit/truncate_test.ts
+++ b/cli/tests/unit/truncate_test.ts
@@ -1,5 +1,10 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { unitTest, assertEquals, assert } from "./test_util.ts";
+import {
+  unitTest,
+  assertEquals,
+  assertThrows,
+  assertThrowsAsync,
+} from "./test_util.ts";
 
 unitTest(
   { perms: { read: true, write: true } },
@@ -76,25 +81,15 @@ unitTest(
 );
 
 unitTest({ perms: { write: false } }, function truncateSyncPerm(): void {
-  let err;
-  try {
+  assertThrows(() => {
     Deno.truncateSync("/test_truncateSyncPermission.txt");
-  } catch (e) {
-    err = e;
-  }
-  assert(err instanceof Deno.errors.PermissionDenied);
-  assertEquals(err.name, "PermissionDenied");
+  }, Deno.errors.PermissionDenied);
 });
 
 unitTest({ perms: { write: false } }, async function truncatePerm(): Promise<
   void
 > {
-  let err;
-  try {
+  await assertThrowsAsync(async () => {
     await Deno.truncate("/test_truncatePermission.txt");
-  } catch (e) {
-    err = e;
-  }
-  assert(err instanceof Deno.errors.PermissionDenied);
-  assertEquals(err.name, "PermissionDenied");
+  }, Deno.errors.PermissionDenied);
 });
-- 
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