Vendoring deprecated composer libs

libs/jsonrpc/tests/Validator/JsonEncodingValidatorTest.php

@@ -0,0 +1,22 @@
+<?php
+
+use JsonRPC\Validator\JsonEncodingValidator;
+
+require_once __DIR__.'/../../../../vendor/autoload.php';
+
+class JsonEncodingValidatorTest extends PHPUnit_Framework_TestCase
+{
+    public function testWithValidJson()
+    {
+        json_encode('{"foo": "bar"}');
+        $this->assertNull(JsonEncodingValidator::validate());
+    }
+
+    public function testWithJsonError()
+    {
+        json_encode("\xB1\x31");
+
+        $this->setExpectedException('\JsonRPC\Exception\ResponseEncodingFailureException');
+        JsonEncodingValidator::validate();
+    }
+}