File indexing completed on 2025-03-23 12:47:13

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2015 Zoe Clifford <zoeacacia@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "bug205447.h"
 
 #include <katedocument.h>
 #include <kateglobal.h>
 #include <kateview.h>
 #include <kmainwindow.h>
 #include <ktexteditor/documentcursor.h>
 
 #include <QtTestWidgets>
 
 #include "testutils.h"
 
 QTEST_MAIN(BugTest)
 
 using namespace KTextEditor;
 
 BugTest::BugTest()
     : QObject()
 {
 }
 
 BugTest::~BugTest()
 {
 }
 
 void BugTest::initTestCase()
 {
     KTextEditor::EditorPrivate::enableUnitTestMode();
 }
 
 void BugTest::cleanupTestCase()
 {
 }
 
 void BugTest::deleteSurrogates()
 {
     // set up document and view and open test file
     KTextEditor::DocumentPrivate doc;
     KTextEditor::ViewPrivate *view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     const QUrl url = QUrl::fromLocalFile(QLatin1String(TEST_DATA_DIR "bug205447.txt"));
     doc.setEncoding(QStringLiteral("UTF-8"));
     QVERIFY(doc.openUrl(url));
 
     // test delete
     // get UTF-32 representation of original line (before any deletes)
     QVector<uint> line = doc.line(0).toUcs4();
     QVERIFY(line.size() == 23);
     // delete from start of line
     view->setCursorPosition(Cursor(0, 0));
     QVERIFY(DocumentCursor(&doc, view->cursorPosition()).isValidTextPosition());
     for (int i = 0; i < line.size(); i++) {
         // get the current line, after `i` delete presses, and convert it to utf32
         // then ensure it's the expected substring of the original line
         QVector<uint> current = doc.line(0).toUcs4();
         QCOMPARE(current, line.mid(i));
 
         // press the delete key and verify that the new text position isn't invalid
         view->keyDelete();
         QVERIFY(DocumentCursor(&doc, view->cursorPosition()).isValidTextPosition());
     }
     QCOMPARE(doc.lineLength(0), 0);
 }
 
 void BugTest::backspaceSurrogates()
 {
     // set up document and view and open test file
     KTextEditor::DocumentPrivate doc;
     KTextEditor::ViewPrivate *view = static_cast<KTextEditor::ViewPrivate *>(doc.createView(nullptr));
     const QUrl url = QUrl::fromLocalFile(QLatin1String(TEST_DATA_DIR "bug205447.txt"));
     doc.setEncoding(QStringLiteral("UTF-8"));
     QVERIFY(doc.openUrl(url));
 
     // test backspace
     // get UTF-32 representation of original line (before any backspaces)
     QVector<uint> line = doc.line(0).toUcs4();
     QVERIFY(line.size() == 23);
     // backspace from end of line
     view->setCursorPosition(Cursor(0, doc.line(0).size()));
     QVERIFY(DocumentCursor(&doc, view->cursorPosition()).isValidTextPosition());
     for (int i = 0; i < line.size(); i++) {
         // get the current line, after `i` delete presses, and convert it to utf32
         // then ensure it's the expected substring of the original line
         QVector<uint> current = doc.line(0).toUcs4();
         QCOMPARE(current, line.mid(0, line.size() - i));
 
         // press the backspace key and verify that the new text position isn't invalid
         view->backspace();
         QVERIFY(DocumentCursor(&doc, view->cursorPosition()).isValidTextPosition());
     }
     QCOMPARE(doc.lineLength(0), 0);
 }
 
 #include "moc_bug205447.cpp"