1//! This code was generated using Zed Agent with Claude Opus 4.
  2
  3use gpui_macros::derive_inspector_reflection;
  4
  5#[derive_inspector_reflection]
  6trait Transform: Clone {
  7    /// Doubles the value
  8    fn double(self) -> Self;
  9
 10    /// Triples the value
 11    fn triple(self) -> Self;
 12
 13    /// Increments the value by one
 14    ///
 15    /// This method has a default implementation
 16    fn increment(self) -> Self {
 17        // Default implementation
 18        self.add_one()
 19    }
 20
 21    /// Quadruples the value by doubling twice
 22    fn quadruple(self) -> Self {
 23        // Default implementation with mut self
 24        self.double().double()
 25    }
 26
 27    // These methods will be filtered out:
 28    #[allow(dead_code)]
 29    fn add(&self, other: &Self) -> Self;
 30    #[allow(dead_code)]
 31    fn set_value(&mut self, value: i32);
 32    #[allow(dead_code)]
 33    fn get_value(&self) -> i32;
 34
 35    /// Adds one to the value
 36    fn add_one(self) -> Self;
 37}
 38
 39#[derive(Debug, Clone, PartialEq)]
 40struct Number(i32);
 41
 42impl Transform for Number {
 43    fn double(self) -> Self {
 44        Number(self.0 * 2)
 45    }
 46
 47    fn triple(self) -> Self {
 48        Number(self.0 * 3)
 49    }
 50
 51    fn add(&self, other: &Self) -> Self {
 52        Number(self.0 + other.0)
 53    }
 54
 55    fn set_value(&mut self, value: i32) {
 56        self.0 = value;
 57    }
 58
 59    fn get_value(&self) -> i32 {
 60        self.0
 61    }
 62
 63    fn add_one(self) -> Self {
 64        Number(self.0 + 1)
 65    }
 66}
 67
 68#[test]
 69fn test_derive_inspector_reflection() {
 70    use transform_reflection::*;
 71
 72    // Get all methods that match the pattern fn(self) -> Self or fn(mut self) -> Self
 73    let methods = methods::<Number>();
 74
 75    assert_eq!(methods.len(), 5);
 76    let method_names: Vec<_> = methods.iter().map(|m| m.name).collect();
 77    assert!(method_names.contains(&"double"));
 78    assert!(method_names.contains(&"triple"));
 79    assert!(method_names.contains(&"increment"));
 80    assert!(method_names.contains(&"quadruple"));
 81    assert!(method_names.contains(&"add_one"));
 82
 83    // Invoke methods by name
 84    let num = Number(5);
 85
 86    let doubled = find_method::<Number>("double").unwrap().invoke(num.clone());
 87    assert_eq!(doubled, Number(10));
 88
 89    let tripled = find_method::<Number>("triple").unwrap().invoke(num.clone());
 90    assert_eq!(tripled, Number(15));
 91
 92    let incremented = find_method::<Number>("increment")
 93        .unwrap()
 94        .invoke(num.clone());
 95    assert_eq!(incremented, Number(6));
 96
 97    let quadrupled = find_method::<Number>("quadruple").unwrap().invoke(num);
 98    assert_eq!(quadrupled, Number(20));
 99
100    // Try to invoke a non-existent method
101    let result = find_method::<Number>("nonexistent");
102    assert!(result.is_none());
103
104    // Chain operations
105    let num = Number(10);
106    let result = find_method::<Number>("double")
107        .map(|m| m.invoke(num))
108        .and_then(|n| find_method::<Number>("increment").map(|m| m.invoke(n)))
109        .and_then(|n| find_method::<Number>("triple").map(|m| m.invoke(n)));
110
111    assert_eq!(result, Some(Number(63))); // (10 * 2 + 1) * 3 = 63
112
113    // Test documentationumentation capture
114    let double_method = find_method::<Number>("double").unwrap();
115    assert_eq!(double_method.documentation, Some("Doubles the value"));
116
117    let triple_method = find_method::<Number>("triple").unwrap();
118    assert_eq!(triple_method.documentation, Some("Triples the value"));
119
120    let increment_method = find_method::<Number>("increment").unwrap();
121    assert_eq!(
122        increment_method.documentation,
123        Some("Increments the value by one\n\nThis method has a default implementation")
124    );
125
126    let quadruple_method = find_method::<Number>("quadruple").unwrap();
127    assert_eq!(
128        quadruple_method.documentation,
129        Some("Quadruples the value by doubling twice")
130    );
131
132    let add_one_method = find_method::<Number>("add_one").unwrap();
133    assert_eq!(add_one_method.documentation, Some("Adds one to the value"));
134}