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test/parallel/test-dns-memory-error.js

@@ -0,0 +1,18 @@
+// 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 { internalBinding } = require('internal/test/binding');
+
+const { UV_EAI_MEMORY } = internalBinding('uv');
+const memoryError = new errors.DNSException(UV_EAI_MEMORY, 'fhqwhgads');
+
+assert.strictEqual(memoryError.code, 'EAI_MEMORY');
+const stack = memoryError.stack.split('\n');
+assert.match(stack[1], /^ {4}at Object/);