1 files changed, 43 insertions, 0 deletions
diff --git a/core/fpdfapi/edit/cpdf_creator_embeddertest.cpp b/core/fpdfapi/edit/cpdf_creator_embeddertest.cpp
new file mode 100644
index 0000000000..def7d50a97
--- /dev/null
+++ b/core/fpdfapi/edit/cpdf_creator_embeddertest.cpp
@@ -0,0 +1,43 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "core/fxcrt/fx_system.h"
+#include "public/fpdf_annot.h"
+#include "public/fpdf_edit.h"
+#include "public/fpdfview.h"
+#include "testing/embedder_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class CPDF_CreatorEmbedderTest : public EmbedderTest {};
+
+TEST_F(CPDF_CreatorEmbedderTest, SavedDocsAreEqualAfterParse) {
+  ASSERT_TRUE(OpenDocument("annotation_stamp_with_ap.pdf"));
+  // Save without additional data reading.
+  EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
+  const std::string saved_doc_1 = GetString();
+  ClearString();
+
+  {
+    // Do some read only operations.
+    ASSERT_GE(1, FPDF_GetPageCount(document()));
+    FPDF_PAGE page = FPDF_LoadPage(document(), 0);
+    ASSERT_TRUE(page);
+    FPDF_BITMAP new_bitmap =
+        RenderPageWithFlags(page, form_handle(), FPDF_ANNOT);
+    FPDFBitmap_Destroy(new_bitmap);
+    UnloadPage(page);
+  }
+
+  // Save when we have additional loaded data.
+  EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
+  const std::string saved_doc_2 = GetString();
+  ClearString();
+
+  // The sizes of saved docs should be equal.
+  EXPECT_EQ(saved_doc_1.size(), saved_doc_2.size());
+}