tests: add test for pool acquire after end

Author: dougwilson

test/unit/pool/test-acquire-after-end.js

@@ -0,0 +1,25 @@
+var assert = require('assert');
+var common = require('../../common');
+var pool   = common.createPool({port: common.fakeServerPort});
+var server = common.createFakeServer();
+
+server.listen(common.fakeServerPort, function (err) {
+  assert.ifError(err);
+
+  pool.getConnection(function (err, connection) {
+    assert.ifError(err);
+    assert.ok(connection);
+
+    connection.release();
+    pool.end(function (err) {
+      assert.ifError(err);
+      pool.getConnection(function (err, connection) {
+        assert.ok(err);
+        assert.equal(err.code, 'POOL_CLOSED');
+        assert.equal(err.message, 'Pool is closed.');
+        assert.ok(!connection);
+        server.destroy();
+      });
+    });
+  });
+});