From a51ddca0b8ab3e454c21adbe7457fa980bbf5589 Mon Sep 17 00:00:00 2001
From: richnologies <me@richnologies.io>
Date: Fri, 20 Jan 2017 12:51:55 +0100
Subject: [PATCH] test: improve test-assert

Add RegExp to check assert throws the expected AssertionErrors.

For the one with multiple flags is ok to hardcode the flags since the
spec indicates the ordering will always be `gim`:

http://www.ecma-international.org/ecma-262/6.0/#sec-get-regexp.prototype.flags
---
 test/parallel/test-assert.js | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/test/parallel/test-assert.js b/test/parallel/test-assert.js
index 47599a4c7328e9..bd7dcd0b546d05 100644
--- a/test/parallel/test-assert.js
+++ b/test/parallel/test-assert.js
@@ -209,11 +209,26 @@ assert.doesNotThrow(makeBlock(a.deepStrictEqual, /a/g, /a/g));
 assert.doesNotThrow(makeBlock(a.deepStrictEqual, /a/i, /a/i));
 assert.doesNotThrow(makeBlock(a.deepStrictEqual, /a/m, /a/m));
 assert.doesNotThrow(makeBlock(a.deepStrictEqual, /a/igm, /a/igm));
-assert.throws(makeBlock(a.deepStrictEqual, /ab/, /a/));
-assert.throws(makeBlock(a.deepStrictEqual, /a/g, /a/));
-assert.throws(makeBlock(a.deepStrictEqual, /a/i, /a/));
-assert.throws(makeBlock(a.deepStrictEqual, /a/m, /a/));
-assert.throws(makeBlock(a.deepStrictEqual, /a/igm, /a/im));
+assert.throws(
+  makeBlock(a.deepStrictEqual, /ab/, /a/),
+  /^AssertionError: \/ab\/ deepStrictEqual \/a\/$/
+);
+assert.throws(
+  makeBlock(a.deepStrictEqual, /a/g, /a/),
+  /^AssertionError: \/a\/g deepStrictEqual \/a\/$/
+);
+assert.throws(
+  makeBlock(a.deepStrictEqual, /a/i, /a/),
+  /^AssertionError: \/a\/i deepStrictEqual \/a\/$/
+);
+assert.throws(
+  makeBlock(a.deepStrictEqual, /a/m, /a/),
+  /^AssertionError: \/a\/m deepStrictEqual \/a\/$/
+);
+assert.throws(
+  makeBlock(a.deepStrictEqual, /a/igm, /a/im),
+  /^AssertionError: \/a\/gim deepStrictEqual \/a\/im$/
+);
 
 {
   const re1 = /a/;