1 // Copyright 2018 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "xfa/fgas/layout/cfx_txtbreak.h" 6 7 #include <memory> 8 #include <utility> 9 10 #include "core/fxge/cfx_font.h" 11 #include "testing/gtest/include/gtest/gtest.h" 12 #include "testing/xfa_unit_test_support.h" 13 #include "third_party/base/ptr_util.h" 14 #include "xfa/fgas/font/cfgas_fontmgr.h" 15 #include "xfa/fgas/font/cfgas_gefont.h" 16 #include "xfa/fgas/layout/cfx_char.h" 17 18 class CFX_TxtBreakTest : public testing::Test { 19 public: SetUp()20 void SetUp() override { 21 font_ = 22 CFGAS_GEFont::LoadFont(L"Arial Black", 0, 0, GetGlobalFontManager()); 23 ASSERT_TRUE(font_.Get()); 24 } 25 CreateBreak()26 std::unique_ptr<CFX_TxtBreak> CreateBreak() { 27 auto txt_break = pdfium::MakeUnique<CFX_TxtBreak>(); 28 txt_break->SetFont(font_); 29 return txt_break; 30 } 31 32 private: 33 RetainPtr<CFGAS_GEFont> font_; 34 }; 35 TEST_F(CFX_TxtBreakTest,BidiLine)36TEST_F(CFX_TxtBreakTest, BidiLine) { 37 auto txt_break = CreateBreak(); 38 txt_break->SetLineBreakTolerance(1); 39 txt_break->SetFontSize(12); 40 41 WideString input = WideString::FromUTF8(ByteStringView("\xa\x0\xa\xa", 4)); 42 for (wchar_t ch : input) 43 txt_break->AppendChar(ch); 44 45 std::vector<CFX_Char> chars = 46 txt_break->GetCurrentLineForTesting()->m_LineChars; 47 CFX_Char::BidiLine(&chars, chars.size()); 48 EXPECT_EQ(3u, chars.size()); 49 } 50