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-rw-r--r--testing/libfuzzer/pdf_bidi_fuzzer.cc36
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/libfuzzer/pdf_bidi_fuzzer.cc b/testing/libfuzzer/pdf_bidi_fuzzer.cc
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+++ b/testing/libfuzzer/pdf_bidi_fuzzer.cc
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+// Copyright 2018 The 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 <cstdint>
+
+#include "core/fxcrt/fx_bidi.h"
+#include "core/fxcrt/widestring.h"
+#include "core/fxge/cfx_font.h"
+#include "third_party/base/span.h"
+#include "xfa/fgas/font/cfgas_fontmgr.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+#include "xfa/fgas/layout/cfx_rtfbreak.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+ auto fontmgr = pdfium::MakeUnique<CFGAS_FontMgr>();
+
+ auto font = pdfium::MakeUnique<CFX_Font>();
+ font->LoadSubst("Arial", true, 0, FXFONT_FW_NORMAL, 0, 0, 0);
+ assert(font);
+
+ CFX_RTFBreak rtf_break(FX_LAYOUTSTYLE_ExpandTab);
+ rtf_break.SetLineBreakTolerance(1);
+ rtf_break.SetFont(CFGAS_GEFont::LoadFont(std::move(font), fontmgr.get()));
+ rtf_break.SetFontSize(12);
+
+ WideString input =
+ WideString::FromUTF16LE(reinterpret_cast<const unsigned short*>(data),
+ size / sizeof(unsigned short));
+ for (auto& ch : input)
+ rtf_break.AppendChar(ch);
+
+ auto chars = rtf_break.GetCurrentLineForTesting()->m_LineChars;
+ FX_BidiLine(&chars, chars.size());
+ return 0;
+}