PARIS—France’s constitutional court will rule on Thursday whether a new law requiring the public to hold a health pass to eat in restaurants and health workers to be vaccinated against COVID-19 by mid-September complies with the republic’s founding charter. President Emmanuel Macron announced the proposed legislation in July as the Delta variant fuelled a fourth wave of infections, delivering a plain message: get vaccinated. It prompted a surge in the vaccination rate as the French faced the prospect of being denied access to bars, restaurants, cafes, and cinemas without proof of either vaccination or a recent negative COVID-19 test. Opponents of the measures accuse Macron of trampling on freedoms and discriminating against the unvaccinated. Some 200,000 people marched through towns and cities across France in a third weekend of protests on Saturday and more are planned. “A few tens of thousands of people have lost their minds to such an …