Method testColumnSpanHitTest

tests/test_editor.cpp:633–677

── Test: column span hit-testing for cursor shape ──

    // ── Test: column span hit-testing for cursor shape ──
    void testColumnSpanHitTest() {
        m_editor->applyDocument(m_result);

        // kFirstDataLine is a field line (UInt8), verify spans are valid
        const LineMeta* lm = m_editor->metaForLine(kFirstDataLine);
        QVERIFY(lm);
        QCOMPARE(lm->lineKind, LineKind::Field);

        // Type span should be valid for field lines
        ColumnSpan ts = RcxEditor::typeSpan(*lm);
        QVERIFY(ts.valid);
        QVERIFY(ts.start < ts.end);

        // Name span should be valid for field lines
        ColumnSpan ns = RcxEditor::nameSpan(*lm);
        QVERIFY(ns.valid);
        QVERIFY(ns.start < ns.end);

        // Value span should be valid for field lines
        QString lineText;
        int len = (int)m_editor->scintilla()->SendScintilla(
            QsciScintillaBase::SCI_LINELENGTH, (unsigned long)kFirstDataLine);
        QVERIFY(len > 0);
        ColumnSpan vs = RcxEditor::valueSpan(*lm, len);
        QVERIFY(vs.valid);
        QVERIFY(vs.start < vs.end);

        // Footer line should have no valid type/name spans
        int footerLine = -1;
        for (int i = 0; i < m_result.meta.size(); i++) {
            if (m_result.meta[i].lineKind == LineKind::Footer) {
                footerLine = i;
                break;
            }
        }
        QVERIFY(footerLine >= 0);
        const LineMeta* flm = m_editor->metaForLine(footerLine);
        QVERIFY(flm);
        ColumnSpan fts = RcxEditor::typeSpan(*flm);
        QVERIFY(!fts.valid);
        ColumnSpan fns = RcxEditor::nameSpan(*flm);
        QVERIFY(!fns.valid);
        ColumnSpan fvs = RcxEditor::valueSpan(*flm, 10);
        QVERIFY(!fvs.valid);
    }

    // ── Test: selectedNodeIndices ──
    void testSelectedNodeIndices() {