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94 lines
3.1 KiB
94 lines
3.1 KiB
// Copyright 2017 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fgas/layout/cfx_rtfbreak.h"
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#include <memory>
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#include <utility>
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#include "core/fxge/cfx_font.h"
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#include "core/fxge/cfx_gemodule.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/xfa_unit_test_support.h"
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#include "third_party/base/ptr_util.h"
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#include "xfa/fgas/font/cfgas_fontmgr.h"
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#include "xfa/fgas/font/cfgas_gefont.h"
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#include "xfa/fgas/layout/cfx_char.h"
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class CFX_RTFBreakTest : public testing::Test {
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public:
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void SetUp() override {
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font_ =
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CFGAS_GEFont::LoadFont(L"Arial Black", 0, 0, GetGlobalFontManager());
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ASSERT_TRUE(font_.Get());
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}
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std::unique_ptr<CFX_RTFBreak> CreateBreak(uint32_t layout_styles) {
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auto rtf_break = pdfium::MakeUnique<CFX_RTFBreak>(layout_styles);
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rtf_break->SetFont(font_);
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return rtf_break;
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}
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private:
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RetainPtr<CFGAS_GEFont> font_;
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};
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// As soon as you get one of the control characters the break is complete
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// and must be consumed before you get any more characters ....
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TEST_F(CFX_RTFBreakTest, AddChars) {
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auto rtf_break = CreateBreak(FX_LAYOUTSTYLE_ExpandTab);
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WideString str(L"Input String.");
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for (wchar_t ch : str)
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EXPECT_EQ(CFX_BreakType::None, rtf_break->AppendChar(ch));
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EXPECT_EQ(CFX_BreakType::Paragraph, rtf_break->AppendChar(L'\n'));
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ASSERT_EQ(1, rtf_break->CountBreakPieces());
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EXPECT_EQ(str + L"\n", rtf_break->GetBreakPieceUnstable(0)->GetString());
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rtf_break->ClearBreakPieces();
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rtf_break->Reset();
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EXPECT_EQ(0, rtf_break->GetCurrentLineForTesting()->GetLineEnd());
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str = L"Second str.";
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for (wchar_t ch : str)
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EXPECT_EQ(CFX_BreakType::None, rtf_break->AppendChar(ch));
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// Force the end of the break at the end of the string.
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rtf_break->EndBreak(CFX_BreakType::Paragraph);
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ASSERT_EQ(1, rtf_break->CountBreakPieces());
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EXPECT_EQ(str, rtf_break->GetBreakPieceUnstable(0)->GetString());
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}
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TEST_F(CFX_RTFBreakTest, ControlCharacters) {
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auto rtf_break = CreateBreak(FX_LAYOUTSTYLE_ExpandTab);
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EXPECT_EQ(CFX_BreakType::Line, rtf_break->AppendChar(L'\v'));
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EXPECT_EQ(CFX_BreakType::Page, rtf_break->AppendChar(L'\f'));
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const wchar_t kUnicodeParagraphSeparator = 0x2029;
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EXPECT_EQ(CFX_BreakType::Paragraph,
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rtf_break->AppendChar(kUnicodeParagraphSeparator));
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EXPECT_EQ(CFX_BreakType::Paragraph, rtf_break->AppendChar(L'\n'));
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ASSERT_EQ(1, rtf_break->CountBreakPieces());
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EXPECT_EQ(L"\v", rtf_break->GetBreakPieceUnstable(0)->GetString());
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}
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TEST_F(CFX_RTFBreakTest, BidiLine) {
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auto rtf_break = CreateBreak(FX_LAYOUTSTYLE_ExpandTab);
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rtf_break->SetLineBreakTolerance(1);
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rtf_break->SetFontSize(12);
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WideString input = WideString::FromUTF8(ByteStringView("\xa\x0\xa\xa", 4));
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for (wchar_t ch : input)
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rtf_break->AppendChar(ch);
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std::vector<CFX_Char> chars =
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rtf_break->GetCurrentLineForTesting()->m_LineChars;
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CFX_Char::BidiLine(&chars, chars.size());
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EXPECT_EQ(3u, chars.size());
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}
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