Merge to XFA: Loose checking for trailer's size field

fpdfsdk/src/fpdfview_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 <limits>
 #include <string>
 
 #include "fpdfsdk/src/fpdfview_c_api_test.h"
 #include "public/fpdfview.h"
 #include "testing/embedder_test.h"
@@ skipping 186 matching lines @@
 
 TEST_F(FPDFViewEmbeddertest, Crasher_454695) {
   // Document is damaged and can't be opened.
   EXPECT_FALSE(OpenDocument("bug_454695.pdf"));
 }
 
 TEST_F(FPDFViewEmbeddertest, Crasher_572871) {
   EXPECT_TRUE(OpenDocument("bug_572871.pdf"));
 }
 
+// It tests that document can still be loaded even the trailer has no 'Size'
+// field if other information is right.
+TEST_F(FPDFViewEmbeddertest, Failed_213) {
+  EXPECT_TRUE(OpenDocument("bug_213.pdf"));
+}
+
 // The following tests pass if the document opens without infinite looping.
 TEST_F(FPDFViewEmbeddertest, Hang_298) {
   EXPECT_FALSE(OpenDocument("bug_298.pdf"));
 }
 
 // Test if the document opens without infinite looping.
 // Previously this test will hang in a loop inside LoadAllCrossRefV4. After
 // the fix, LoadAllCrossRefV4 will return false after detecting a cross
 // reference loop. Cross references will be rebuilt successfully.
 TEST_F(FPDFViewEmbeddertest, CrossRefV4Loop) {
   EXPECT_TRUE(OpenDocument("bug_xrefv4_loop.pdf"));
 }
 
 // The test should pass when circular references to ParseIndirectObject will not
 // cause infinite loop.
 TEST_F(FPDFViewEmbeddertest, Hang_343) {
   EXPECT_FALSE(OpenDocument("bug_343.pdf"));
 }
 
 // The test should pass when the absence of 'Contents' field in a signature
 // dictionary will not cause an infinite loop in CPDF_SyntaxParser::GetObject().
 TEST_F(FPDFViewEmbeddertest, Hang_344) {
   EXPECT_FALSE(OpenDocument("bug_344.pdf"));
 }
 
 // The test should pass even when the file has circular references to pages.
 TEST_F(FPDFViewEmbeddertest, Hang_360) {
   EXPECT_FALSE(OpenDocument("bug_360.pdf"));
-}
+}