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#[macro_use]
extern crate pretty_assertions;
#[macro_use]
extern crate derive_builder;
#[derive(Debug, PartialEq, Default, Builder, Clone)]
#[builder(setter(skip = "false"), default)]
struct SetterCustom {
#[builder(setter(custom = "true"))]
setter_custom_by_explicit_opt_in: u32,
#[builder(setter(custom))]
setter_custom_shorthand: u32,
#[builder(setter(custom = "false"))]
setter_custom_by_explicit_opt_out: u32,
#[builder(setter(custom = "true"), default = "4")]
setter_custom_with_explicit_default: u32,
#[builder(setter(custom = "true", strip_option))]
setter_custom_with_strip_option: Option<u32>,
}
// compile test
#[allow(dead_code)]
impl SetterCustomBuilder {
// only possible if setter was skipped
fn setter_custom_by_explicit_opt_in(&mut self) -> &mut Self {
self.setter_custom_by_explicit_opt_in = Some(1);
self
}
// only possible if setter was skipped
fn setter_custom_shorthand(&mut self) -> &mut Self {
self.setter_custom_shorthand = Some(2);
self
}
// only possible if setter was skipped
fn setter_custom_with_explicit_default(&mut self) -> &mut Self {
self.setter_custom_with_explicit_default = Some(43);
self
}
// only possible if setter was skipped
fn setter_custom_with_strip_option(&mut self) -> &mut Self {
self.setter_custom_with_strip_option = Some(Some(6));
self
}
}
#[test]
fn setter_custom_defaults() {
let x: SetterCustom = SetterCustomBuilder::default().build().unwrap();
assert_eq!(
x,
SetterCustom {
setter_custom_by_explicit_opt_in: 0,
setter_custom_shorthand: 0,
setter_custom_by_explicit_opt_out: 0,
setter_custom_with_explicit_default: 4,
setter_custom_with_strip_option: None,
}
);
}
#[test]
fn setter_custom_setters_called() {
let x: SetterCustom = SetterCustomBuilder::default()
.setter_custom_by_explicit_opt_in() // set to 1
.setter_custom_shorthand() // set to 2
.setter_custom_by_explicit_opt_out(42)
.setter_custom_with_explicit_default() // set to 43
.setter_custom_with_strip_option() // set to 6
.build()
.unwrap();
assert_eq!(
x,
SetterCustom {
setter_custom_by_explicit_opt_in: 1,
setter_custom_shorthand: 2,
setter_custom_by_explicit_opt_out: 42,
setter_custom_with_explicit_default: 43,
setter_custom_with_strip_option: Some(6)
}
);
}
|
