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https://github.com/wxWidgets/wxWidgets.git
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Richard
cb77a4e904
Capture the current text metrics when parsing image cells and use them to position ALIGN=CENTER images relative to the surrounding text center and not to the total cell height. Add a parser regression test for the image and adjacent word vertical centers. Fixes #2976. Closes #26669.
138 lines
3.4 KiB
C++
138 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/html/htmlparser.cpp
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// Purpose: wxHtmlParser tests
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// Author: Vadim Zeitlin
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// Created: 2011-01-13
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// (c) 2026 wxWidgets development team
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#if wxUSE_HTML
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#ifndef WX_PRECOMP
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#include "wx/dcmemory.h"
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#include "wx/log.h"
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#endif // WX_PRECOMP
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#include "wx/html/winpars.h"
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#include <memory>
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// Test that parsing invalid HTML simply fails but doesn't crash for example.
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TEST_CASE("wxHtmlParser::ParseInvalid", "[html][parser][error]")
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{
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class NullParser : public wxHtmlWinParser
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{
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protected:
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virtual void AddText(const wxString& WXUNUSED(txt)) override { }
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};
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NullParser p;
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wxMemoryDC dc;
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p.SetDC(&dc);
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delete p.Parse("<");
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delete p.Parse("<foo");
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delete p.Parse("<!--");
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delete p.Parse("<!---");
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}
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TEST_CASE("wxHtmlParser::ImageAlignCenter", "[html][parser]")
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{
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wxBitmap bmp(200, 200);
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wxMemoryDC dc(bmp);
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wxHtmlWinParser p;
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p.SetDC(&dc);
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wxLogNull noLog;
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std::unique_ptr<wxHtmlContainerCell> const cells(
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static_cast<wxHtmlContainerCell*>(p.Parse(
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R"(<img id="img" width="100" height="100" align="center" src="dummy"/>Text)"
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))
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);
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REQUIRE( cells );
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cells->Layout(200);
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const wxString id("img");
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const wxHtmlCell* const image = cells->Find(wxHTML_COND_ISANCHOR, &id);
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REQUIRE( image );
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const wxHtmlCell* const word = image->GetNext();
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REQUIRE( word );
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REQUIRE_FALSE( word->IsFormattingCell() );
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CHECK( word->GetPosY() + word->GetHeight() / 2 ==
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image->GetPosY() + image->GetHeight() / 2 );
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}
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TEST_CASE("wxHtmlCell::Detach", "[html][cell]")
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{
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wxMemoryDC dc;
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std::unique_ptr<wxHtmlContainerCell> const top(new wxHtmlContainerCell(nullptr));
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wxHtmlContainerCell* const cont = new wxHtmlContainerCell(nullptr);
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wxHtmlCell* const cell1 = new wxHtmlWordCell("Hello", dc);
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wxHtmlCell* const cell2 = new wxHtmlColourCell(*wxRED);
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wxHtmlCell* const cell3 = new wxHtmlWordCell("world", dc);
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cont->InsertCell(cell1);
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cont->InsertCell(cell2);
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cont->InsertCell(cell3);
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top->InsertCell(cont);
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SECTION("container")
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{
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top->Detach(cont);
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CHECK( top->GetFirstChild() == nullptr );
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delete cont;
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}
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SECTION("first-child")
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{
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cont->Detach(cell1);
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CHECK( cont->GetFirstChild() == cell2 );
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delete cell1;
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}
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SECTION("middle-child")
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{
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cont->Detach(cell2);
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CHECK( cont->GetFirstChild() == cell1 );
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CHECK( cell1->GetNext() == cell3 );
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delete cell2;
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}
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SECTION("last-child")
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{
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cont->Detach(cell3);
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CHECK( cont->GetFirstChild() == cell1 );
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CHECK( cell1->GetNext() == cell2 );
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CHECK( cell2->GetNext() == nullptr );
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delete cell3;
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}
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SECTION("invalid")
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{
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WX_ASSERT_FAILS_WITH_ASSERT_MESSAGE
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(
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"Expected assertion for detaching non-child",
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top->Detach(cell1);
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);
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}
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}
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#endif //wxUSE_HTML
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