Function roundTripViewState

pj_app/tests/layout_xml_test.cpp:582–588

write -> serialize -> reparse -> read, so the full XML pipeline (not just the in-memory DOM) is exercised.

// write -> serialize -> reparse -> read, so the full XML pipeline (not just the
// in-memory DOM) is exercised.
SourceTimelineViewState roundTripViewState(const SourceTimelineViewState& in) {
  QDomDocument doc;
  doc.appendChild(writeSourceTimelineViewState(doc, in));
  QDomDocument reparsed;
  EXPECT_TRUE(reparsed.setContent(doc.toByteArray(2)));
  return readSourceTimelineViewState(reparsed.documentElement());
}

TEST(SourceTimelineViewState, AllFieldsRoundTrip) {
  SourceTimelineViewState in;