The story: The perception that China adopted an “unfriendly” position towards Iran during President Xi Jinping’s high-profile trip to Saudi Arabia has sparked controversy in Tehran, raising questions about relations with Asia's top economy.

Officials and state outlets in Iran have reacted to joint Chinese-Arab statements, while some commentators have said the growing Riyadh-Beijing ties show that China is not a trustworthy partner—despite its long-term cooperation agreement with the Islamic Republic.

The coverage: Xi wrapped up a three-day visit to the Kingdom on Dec. 9. The trip involved meetings with top Saudi officials, including Crown Prince Mohammed bin Salman Al Saud (MbS), as well as...