Method testPaddingValueEditIsBlocked

tests/test_controller.cpp:286–324

── Test: Padding value edit is effectively blocked at controller level ──

    // ── Test: Padding value edit is effectively blocked at controller level ──
    void testPaddingValueEditIsBlocked() {
        // Find the padding node
        int padIdx = -1;
        for (int i = 0; i < m_doc->tree.nodes.size(); i++) {
            if (m_doc->tree.nodes[i].kind == NodeKind::Padding) { padIdx = i; break; }
        }
        QVERIFY(padIdx >= 0);
        uint64_t addr = m_doc->tree.computeOffset(padIdx);

        // Read original data at padding offset
        int padSize = m_doc->tree.nodes[padIdx].byteSize();
        QByteArray origData = m_doc->provider->readBytes(addr, padSize);

        // The context menu blocks Padding editing, so the controller's setNodeValue
        // would only be called if the editing UI somehow allows it. But let's verify
        // the editor correctly blocks it.
        // Find padding line in composed output
        ComposeResult result = m_doc->compose();
        int paddingLine = -1;
        for (int i = 0; i < result.meta.size(); i++) {
            if (result.meta[i].nodeKind == NodeKind::Padding &&
                result.meta[i].lineKind == LineKind::Field) {
                paddingLine = i;
                break;
            }
        }
        QVERIFY(paddingLine >= 0);

        m_editor->applyDocument(result);
        QApplication::processEvents();

        // beginInlineEdit(Value) on Padding line must be rejected
        QVERIFY(!m_editor->beginInlineEdit(EditTarget::Value, paddingLine));
        QVERIFY(!m_editor->isEditing());

        // Data must be unchanged
        QByteArray afterData = m_doc->provider->readBytes(addr, padSize);
        QCOMPARE(afterData, origData);
    }

    // ── Test: setNodeValue with Hex32 (space-separated hex bytes) ──
    void testSetNodeValueHex() {