From 41dd68f092d9a90e8cf87ba78a4af7dbccf261d9 Mon Sep 17 00:00:00 2001
From: "Philipp A. Hartmann" <pah@qo.cx>
Date: Wed, 7 Oct 2015 21:50:14 +0200
Subject: [PATCH] add simple test for unchanged DOM after parse error

---
 test/unittest/documenttest.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/unittest/documenttest.cpp b/test/unittest/documenttest.cpp
index 810a99c..83325a7 100644
--- a/test/unittest/documenttest.cpp
+++ b/test/unittest/documenttest.cpp
@@ -95,6 +95,21 @@ TEST(Document, Parse) {
     ParseTest<CrtAllocator, CrtAllocator>();
 }
 
+TEST(Document, UnchangedOnParseError) {
+    Document doc;
+    doc.SetArray().PushBack(0, doc.GetAllocator());
+
+    doc.Parse("{]");
+    EXPECT_TRUE(doc.HasParseError());
+    EXPECT_TRUE(doc.IsArray());
+    EXPECT_EQ(doc.Size(), 1u);
+
+    doc.Parse("{}");
+    EXPECT_FALSE(doc.HasParseError());
+    EXPECT_TRUE(doc.IsObject());
+    EXPECT_EQ(doc.MemberCount(), 0u);
+}
+
 static FILE* OpenEncodedFile(const char* filename) {
     const char *paths[] = {
         "encodings/%s",