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author | dsinclair <dsinclair@chromium.org> | 2016-10-04 11:55:50 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-10-04 11:55:51 -0700 |
commit | 488b7ad845d6de212d89cd957303b294ecfa5922 (patch) | |
tree | adfdd2327724bd3597a1a7614bbe29a01a0c8dc0 /core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp | |
parent | 41872fa5ac7448a50f66ad56d7bde8d1aa77db4b (diff) | |
download | pdfium-488b7ad845d6de212d89cd957303b294ecfa5922.tar.xz |
Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser
BUG=pdfium:603
Review-Url: https://codereview.chromium.org/2392603004
Diffstat (limited to 'core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp')
-rw-r--r-- | core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp b/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp new file mode 100644 index 0000000000..45a0698078 --- /dev/null +++ b/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp @@ -0,0 +1,171 @@ +// Copyright 2016 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 "core/fpdfapi/parser/cpdf_parser.h" +#include "core/fpdfapi/parser/cpdf_syntax_parser.h" +#include "core/fxcrt/fx_ext.h" +#include "core/fxcrt/fx_stream.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "testing/utils/path_service.h" + +TEST(cpdf_syntax_parser, ReadHexString) { + { + // Empty string. + uint8_t data[] = ""; + ScopedFileStream stream(FX_CreateMemoryStream(data, 0, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("", parser.ReadHexString()); + EXPECT_EQ(0, parser.SavePos()); + } + + { + // Blank string. + uint8_t data[] = " "; + ScopedFileStream stream(FX_CreateMemoryStream(data, 2, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("", parser.ReadHexString()); + EXPECT_EQ(2, parser.SavePos()); + } + + { + // Skips unknown characters. + uint8_t data[] = "z12b"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 4, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x12\xb0", parser.ReadHexString()); + EXPECT_EQ(4, parser.SavePos()); + } + + { + // Skips unknown characters. + uint8_t data[] = "*<&*#$^&@1"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 10, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x10", parser.ReadHexString()); + EXPECT_EQ(10, parser.SavePos()); + } + + { + // Skips unknown characters. + uint8_t data[] = "\x80zab"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 4, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\xab", parser.ReadHexString()); + EXPECT_EQ(4, parser.SavePos()); + } + + { + // Skips unknown characters. + uint8_t data[] = "\xffzab"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 4, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\xab", parser.ReadHexString()); + EXPECT_EQ(4, parser.SavePos()); + } + + { + // Regular conversion. + uint8_t data[] = "1A2b>abcd"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 9, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x1a\x2b", parser.ReadHexString()); + EXPECT_EQ(5, parser.SavePos()); + } + + { + // Position out of bounds. + uint8_t data[] = "12ab>"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 5, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + parser.RestorePos(5); + EXPECT_EQ("", parser.ReadHexString()); + + parser.RestorePos(6); + EXPECT_EQ("", parser.ReadHexString()); + + parser.RestorePos(-1); + EXPECT_EQ("", parser.ReadHexString()); + + parser.RestorePos(std::numeric_limits<FX_FILESIZE>::max()); + EXPECT_EQ("", parser.ReadHexString()); + + // Check string still parses when set to 0. + parser.RestorePos(0); + EXPECT_EQ("\x12\xab", parser.ReadHexString()); + } + + { + // Missing ending >. + uint8_t data[] = "1A2b"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 4, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x1a\x2b", parser.ReadHexString()); + EXPECT_EQ(4, parser.SavePos()); + } + + { + // Missing ending >. + uint8_t data[] = "12abz"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 5, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x12\xab", parser.ReadHexString()); + EXPECT_EQ(5, parser.SavePos()); + } + + { + // Uneven number of bytes. + uint8_t data[] = "1A2>asdf"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 8, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x1a\x20", parser.ReadHexString()); + EXPECT_EQ(4, parser.SavePos()); + } + + { + // Uneven number of bytes. + uint8_t data[] = "1A2zasdf"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 8, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("\x1a\x2a\xdf", parser.ReadHexString()); + EXPECT_EQ(8, parser.SavePos()); + } + + { + // Just ending character. + uint8_t data[] = ">"; + ScopedFileStream stream(FX_CreateMemoryStream(data, 1, FALSE)); + + CPDF_SyntaxParser parser; + parser.InitParser(stream.get(), 0); + EXPECT_EQ("", parser.ReadHexString()); + EXPECT_EQ(1, parser.SavePos()); + } +} |