From e72e3e2e6ea4ed7f2681290b870194340830ba06 Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Tue, 16 Aug 2016 20:47:24 -0700
Subject: [PATCH] test: confirm that assert truncates long values

`assert` has code to truncate values that take more than 128 characters
to display. Add a test for this functionality, as the code is not
currently exercised in the existing tests.
---
 test/parallel/test-assert.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/parallel/test-assert.js b/test/parallel/test-assert.js
index 43bd4c770e9cb8..6444bfba6c3324 100644
--- a/test/parallel/test-assert.js
+++ b/test/parallel/test-assert.js
@@ -528,4 +528,9 @@ testBlockTypeError(assert.doesNotThrow, undefined);
 assert.throws(() => { throw 'error'; }, (err) => err === 'error');
 assert.throws(() => { throw new Error(); }, (err) => err instanceof Error);
 
+// Long values should be truncated for display.
+assert.throws(() => {
+  assert.strictEqual('A'.repeat(1000), '');
+}, new RegExp(`'${'A'.repeat(127)} === ''`));
+
 console.log('All OK');