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// 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 "core/fxge/cfx_gemodule.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fgas/font/cfgas_fontmgr.h"
#include "xfa/fgas/font/cfgas_gefont.h"
class CFX_RTFBreakTest : public testing::Test {
public:
void SetUp() override {
font_ =
CFGAS_GEFont::LoadFont(L"Arial Black", 0, 0, GetGlobalFontManager());
ASSERT(font_.Get() != nullptr);
}
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());
}
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