Function assertTrue

example/tests/early_inject_content_test.js:60–64

(condition, message)

// assertTrue(condition, message) - 断言条件为真
function assertTrue(condition, message) {
  if (!condition) {
    throw new Error(message || "断言失败: 期望条件为真");
  }
}

console.log("%c=== Content环境 GM API 测试开始 ===", "color: blue; font-size: 16px; font-weight: bold;");