test: add dns memory error test

Add test that confirms that when libuv reports a memory error on a DNS query, that the memory error is passed through and not replaced with ENOTFOUND. PR-URL: #20317 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>
nodejs · Apr 30, 2018 · 0deb27b · 0deb27b
1 parent a158d41
commit 0deb27b
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/test/parallel/test-dns-memory-error.js b/test/parallel/test-dns-memory-error.js
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+// Flags: --expose-internals
+'use strict';
+
+// Check that if libuv reports a memory error on a DNS query, that the memory
+// error is passed through and not replaced with ENOTFOUND.
+
+require('../common');
+
+const assert = require('assert');
+const errors = require('internal/errors');
+
+const { UV_EAI_MEMORY } = process.binding('uv');
+const memoryError = errors.dnsException(UV_EAI_MEMORY, 'fhqwhgads');
+
+assert.strictEqual(memoryError.code, 'EAI_MEMORY');