Method testPointerSpans

tests/test_compose.cpp:1359–1415

    }

    void testPointerSpans() {
        // pointerKindSpanFor and pointerTargetSpanFor must find correct regions
        NodeTree tree;
        tree.baseAddress = 0;

        Node root;
        root.kind = NodeKind::Struct;
        root.name = "Root";
        root.parentId = 0;
        int ri = tree.addNode(root);
        uint64_t rootId = tree.nodes[ri].id;

        Node target;
        target.kind = NodeKind::Struct;
        target.name = "VTable";
        target.structTypeName = "VTable";
        target.parentId = 0;
        target.offset = 200;
        int ti = tree.addNode(target);
        uint64_t targetId = tree.nodes[ti].id;

        Node ptr;
        ptr.kind = NodeKind::Pointer64;
        ptr.name = "vtbl";
        ptr.parentId = rootId;
        ptr.offset = 0;
        ptr.refId = targetId;
        ptr.collapsed = true;
        tree.addNode(ptr);

        NullProvider prov;
        ComposeResult result = compose(tree, prov);

        int ptrLine = -1;
        for (int i = 0; i < result.meta.size(); i++) {
            if (result.meta[i].nodeKind == NodeKind::Pointer64 &&
                result.meta[i].lineKind == LineKind::Field) {
                ptrLine = i;
                break;
            }
        }
        QVERIFY(ptrLine >= 0);

        QStringList lines = result.text.split('\n');
        QString lineText = lines[ptrLine];
        const LineMeta& lm = result.meta[ptrLine];

        // Kind span: no longer applicable in "Type*" format
        ColumnSpan kindSpan = pointerKindSpanFor(lm, lineText);
        QVERIFY2(!kindSpan.valid, "pointerKindSpanFor should return invalid in Type* format");

        // Target span: covers "VTable" (before the '*')
        ColumnSpan targetSpan = pointerTargetSpanFor(lm, lineText);
        QVERIFY2(targetSpan.valid, "pointerTargetSpanFor must return valid span");
        QString targetText = lineText.mid(targetSpan.start, targetSpan.end - targetSpan.start).trimmed();
        QCOMPARE(targetText, QString("VTable"));
    }