Check dimensions and content of bitmaps in EmbedderTests.

core/fpdfapi/parser/fpdf_parser_decode_embeddertest.cpp

 // Copyright 2015 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 "core/fpdfapi/parser/fpdf_parser_decode.h"
 
 #include <cstring>
 #include <string>
 
 #include "core/fxcrt/fx_basic.h"
@@ skipping 74 matching lines @@
     FX_Free(result);
   }
 }
 
 TEST_F(FPDFParserDecodeEmbeddertest, Bug_552046) {
   // Tests specifying multiple image filters for a stream. Should not cause a
   // crash when rendered.
   EXPECT_TRUE(OpenDocument("bug_552046.pdf"));
   FPDF_PAGE page = LoadPage(0);
   FPDF_BITMAP bitmap = RenderPage(page);
+  CompareBitmap(bitmap, 612, 792, "1940568c9ba33bac5d0b1ee9558c76b3");
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }
 
 TEST_F(FPDFParserDecodeEmbeddertest, Bug_555784) {
   // Tests bad input to the run length decoder that caused a heap overflow.
   // Should not cause a crash when rendered.
   EXPECT_TRUE(OpenDocument("bug_555784.pdf"));
   FPDF_PAGE page = LoadPage(0);
   FPDF_BITMAP bitmap = RenderPage(page);
+  CompareBitmap(bitmap, 612, 792, "1940568c9ba33bac5d0b1ee9558c76b3");
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }
 
 TEST_F(FPDFParserDecodeEmbeddertest, Bug_455199) {
   // Tests object numbers with a value > 01000000.
   // Should open successfully.
   EXPECT_TRUE(OpenDocument("bug_455199.pdf"));
   FPDF_PAGE page = LoadPage(0);
   FPDF_BITMAP bitmap = RenderPage(page);
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+  // Rendering on Mac is inconsistent, so skip this check.
+  const char* const kExpectedMd5sum = nullptr;
+#else
+  const char kExpectedMd5sum[] = "6f9f0fd903da177babb24dd50a806a56";
+#endif
+  CompareBitmap(bitmap, 200, 200, kExpectedMd5sum);
   FPDFBitmap_Destroy(bitmap);
   UnloadPage(page);
 }