Function TEST

pj_widgets/tests/progress_bar_test.cpp:19–22

The whole reason PJ::ProgressBar exists is to expose a `PJ--ProgressBar` QSS selector. QSS type selectors match on metaObject()->className(), so if Q_OBJECT were ever dropped this would silently fall back to "QProgressBar" and the bespoke style would stop applying. Pin the class name so that regression is a red test, not an unnoticed visual change.

// and the bespoke style would stop applying. Pin the class name so that
// regression is a red test, not an unnoticed visual change.
TEST(ProgressBarTest, ClassNameDrivesQssSelector) {
  PJ::ProgressBar bar;
  EXPECT_STREQ(bar.metaObject()->className(), "PJ::ProgressBar");
}

// Sensible defaults so the widget reads like the mockup without per-instance
// setup: centred caption, text shown.