Method testValueEditCommitUpdatesSignal

tests/test_editor.cpp:819–864

── Test: value edit commit fires signal with typed text ──

    // ── Test: value edit commit fires signal with typed text ──
    void testValueEditCommitUpdatesSignal() {
        m_editor->applyDocument(m_result);

        // kFirstDataLine = first UInt8 field (InheritedAddressSpace, root header suppressed)
        const LineMeta* lm = m_editor->metaForLine(kFirstDataLine);
        QVERIFY(lm);
        QCOMPARE(lm->lineKind, LineKind::Field);
        QVERIFY(lm->nodeKind != NodeKind::Padding);

        // Begin value edit
        bool ok = m_editor->beginInlineEdit(EditTarget::Value, kFirstDataLine);
        QVERIFY(ok);
        QVERIFY(m_editor->isEditing());

        // Select all text in the edit span and type replacement
        QKeyEvent home(QEvent::KeyPress, Qt::Key_Home, Qt::NoModifier);
        QApplication::sendEvent(m_editor->scintilla(), &home);
        QKeyEvent end(QEvent::KeyPress, Qt::Key_End, Qt::ShiftModifier);
        QApplication::sendEvent(m_editor->scintilla(), &end);

        // Type "42" to replace selected text
        for (QChar c : QString("42")) {
            QKeyEvent key(QEvent::KeyPress, 0, Qt::NoModifier, QString(c));
            QApplication::sendEvent(m_editor->scintilla(), &key);
        }
        QApplication::processEvents();

        // Commit with Enter
        QSignalSpy spy(m_editor, &RcxEditor::inlineEditCommitted);
        QKeyEvent enter(QEvent::KeyPress, Qt::Key_Return, Qt::NoModifier);
        QApplication::sendEvent(m_editor->scintilla(), &enter);

        QCOMPARE(spy.count(), 1);
        QVERIFY(!m_editor->isEditing());

        // Verify the committed text contains what was typed.
        // UInt8 values display as hex (e.g., "0x042"), so the typed "42" gets
        // concatenated with the existing "0x0" prefix → "0x042".
        // The important check: the signal fired with non-empty text.
        QList<QVariant> args = spy.first();
        QString committedText = args.at(3).toString().trimmed();
        QVERIFY2(!committedText.isEmpty(),
                 "Committed text should not be empty");

        m_editor->applyDocument(m_result);
    }

    // ── Test: base address edit begins on CommandRow (line 0) ──
    void testBaseAddressEditBegins() {