| // Copyright 2017 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. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "xfa/fgas/layout/cfx_rtfbreak.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "core/fxge/cfx_font.h" |
| #include "core/fxge/cfx_gemodule.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "testing/xfa_unit_test_support.h" |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fgas/font/cfgas_fontmgr.h" |
| #include "xfa/fgas/font/cfgas_gefont.h" |
| #include "xfa/fgas/layout/cfx_char.h" |
| |
| class CFX_RTFBreakTest : public testing::Test { |
| public: |
| void SetUp() override { |
| font_ = |
| CFGAS_GEFont::LoadFont(L"Arial Black", 0, 0, GetGlobalFontManager()); |
| ASSERT_TRUE(font_.Get()); |
| } |
| |
| std::unique_ptr<CFX_RTFBreak> CreateBreak(int32_t args) { |
| auto b = pdfium::MakeUnique<CFX_RTFBreak>(args); |
| b->SetFont(font_); |
| return b; |
| } |
| |
| private: |
| RetainPtr<CFGAS_GEFont> font_; |
| }; |
| |
| // As soon as you get one of the control characters the break is complete |
| // and must be consumed before you get any more characters .... |
| |
| TEST_F(CFX_RTFBreakTest, AddChars) { |
| auto b = CreateBreak(FX_LAYOUTSTYLE_ExpandTab); |
| |
| WideString str(L"Input String."); |
| for (const auto& c : str) |
| EXPECT_EQ(CFX_BreakType::None, b->AppendChar(c)); |
| |
| EXPECT_EQ(CFX_BreakType::Paragraph, b->AppendChar(L'\n')); |
| ASSERT_EQ(1, b->CountBreakPieces()); |
| EXPECT_EQ(str + L"\n", b->GetBreakPieceUnstable(0)->GetString()); |
| |
| b->ClearBreakPieces(); |
| b->Reset(); |
| EXPECT_EQ(0, b->GetCurrentLineForTesting()->GetLineEnd()); |
| |
| str = L"Second str."; |
| for (const auto& c : str) |
| EXPECT_EQ(CFX_BreakType::None, b->AppendChar(c)); |
| |
| // Force the end of the break at the end of the string. |
| b->EndBreak(CFX_BreakType::Paragraph); |
| ASSERT_EQ(1, b->CountBreakPieces()); |
| EXPECT_EQ(str, b->GetBreakPieceUnstable(0)->GetString()); |
| } |
| |
| TEST_F(CFX_RTFBreakTest, ControlCharacters) { |
| auto b = CreateBreak(FX_LAYOUTSTYLE_ExpandTab); |
| EXPECT_EQ(CFX_BreakType::Line, b->AppendChar(L'\v')); |
| EXPECT_EQ(CFX_BreakType::Page, b->AppendChar(L'\f')); |
| // 0x2029 is the Paragraph Separator unicode character. |
| EXPECT_EQ(CFX_BreakType::Paragraph, b->AppendChar(0x2029)); |
| EXPECT_EQ(CFX_BreakType::Paragraph, b->AppendChar(L'\n')); |
| |
| ASSERT_EQ(1, b->CountBreakPieces()); |
| EXPECT_EQ(L"\v", b->GetBreakPieceUnstable(0)->GetString()); |
| } |
| |
| TEST_F(CFX_RTFBreakTest, BidiLine) { |
| auto rtf_break = CreateBreak(FX_LAYOUTSTYLE_ExpandTab); |
| rtf_break->SetLineBreakTolerance(1); |
| rtf_break->SetFontSize(12); |
| |
| WideString input = WideString::FromUTF8(ByteStringView("\xa\x0\xa\xa", 4)); |
| for (auto& ch : input) |
| rtf_break->AppendChar(ch); |
| |
| auto chars = rtf_break->GetCurrentLineForTesting()->m_LineChars; |
| CFX_Char::BidiLine(&chars, chars.size()); |
| EXPECT_EQ(3u, chars.size()); |
| } |