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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
index 827d1cec28..73b46b52c2 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
@@ -5,6 +5,28 @@
#include "testing/gtest/include/gtest/gtest.h"
#include "../../../include/fpdfapi/fpdf_parser.h"
+#include "../../../include/fxcrt/fx_stream.h"
+
+class CPDF_TestParser : public CPDF_Parser {
+ public:
+ CPDF_TestParser() {}
+ ~CPDF_TestParser() {}
+
+ bool InitTest(const FX_CHAR* path) {
+ IFX_FileRead* pFileAccess = FX_CreateFileRead(path);
+ if (!pFileAccess)
+ return false;
+
+ // For the test file, the header is set at the beginning.
+ m_Syntax.InitParser(pFileAccess, 0);
+ return true;
+ }
+
+ private:
+ // Add test case as private friend so that RebuildCrossRef in CPDF_Parser
+ // can be accessed.
+ FRIEND_TEST(fpdf_parser_parser, RebuildCrossRefCorrectly);
+};
// TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal.
// Come up or wait for something better.
@@ -168,3 +190,22 @@ TEST(fpdf_parser_parser, ReadHexString) {
EXPECT_EQ(1, parser.SavePos());
}
}
+
+TEST(fpdf_parser_parser, RebuildCrossRefCorrectly) {
+ CPDF_TestParser parser;
+ ASSERT_TRUE(
+ parser.InitTest("testing/resources/parser_rebuildxref_correct.pdf"));
+
+ ASSERT_TRUE(parser.RebuildCrossRef());
+ const FX_FILESIZE offsets[] = {0, 15, 61, 154, 296, 374, 450};
+ const FX_WORD versions[] = {0, 0, 2, 4, 6, 8, 0};
+ static_assert(FX_ArraySize(offsets) == FX_ArraySize(versions),
+ "numbers of offsets and versions should be same.");
+ ASSERT_EQ(FX_ArraySize(offsets), parser.m_CrossRef.GetSize());
+ ASSERT_EQ(FX_ArraySize(versions), parser.m_ObjVersion.GetSize());
+
+ for (int i = 0; i < FX_ArraySize(offsets); ++i) {
+ EXPECT_EQ(offsets[i], parser.m_CrossRef.GetAt(i));
+ EXPECT_EQ(versions[i], parser.m_ObjVersion.GetAt(i));
+ }
+}