use crate::CreatedDelta;
use crate::{number_diff_impl_option_wrapped, number_patch_impl_option_wrapped};
number_diff_impl_option_wrapped!(f32, f32);
number_patch_impl_option_wrapped!(f32, Option<f32>);
number_diff_impl_option_wrapped!(f64, f64);
number_patch_impl_option_wrapped!(f64, Option<f64>);
#[cfg(test)]
mod tests {
use super::*;
use crate::dipa_impl_tester::DipaImplTester;
use crate::{Diffable, Patchable};
#[derive(Debug, Deserialize, Serialize, Copy, Clone)]
struct F32TestWrapper(f32);
#[derive(Debug, Deserialize, Serialize, Copy, Clone)]
struct F64TestWrapper(f64);
impl<'s, 'e> Diffable<'s, 'e, F32TestWrapper> for F32TestWrapper {
type Delta = Option<f32>;
type DeltaOwned = Option<f32>;
fn create_delta_towards(&self, end_state: &Self) -> CreatedDelta<Self::Delta> {
self.0.create_delta_towards(&end_state.0)
}
}
impl Patchable<Option<f32>> for F32TestWrapper {
fn apply_patch(&mut self, patch: Option<f32>) {
self.0.apply_patch(patch)
}
}
impl<'s, 'e> Diffable<'s, 'e, F64TestWrapper> for F64TestWrapper {
type Delta = Option<f64>;
type DeltaOwned = Option<f64>;
fn create_delta_towards(&self, end_state: &Self) -> CreatedDelta<Self::Delta> {
self.0.create_delta_towards(&end_state.0)
}
}
impl Patchable<Option<f64>> for F64TestWrapper {
fn apply_patch(&mut self, patch: Option<f64>) {
self.0.apply_patch(patch)
}
}
impl Eq for F32TestWrapper {}
impl Eq for F64TestWrapper {}
impl PartialEq for F32TestWrapper {
fn eq(&self, other: &Self) -> bool {
(self.0 - other.0).abs() < f32::EPSILON
}
}
impl PartialEq for F64TestWrapper {
fn eq(&self, other: &Self) -> bool {
(self.0 - other.0).abs() < f64::EPSILON
}
}
#[test]
fn f32_unchanged() {
DipaImplTester {
label: Some("Diff patch same f32"),
start: &mut F32TestWrapper(0.),
end: &F32TestWrapper(0.),
expected_delta: None,
expected_serialized_patch_size: 1,
expected_did_change: false,
}
.test();
}
#[test]
fn f32_changed() {
DipaImplTester {
label: Some("Diff patch different f32"),
start: &mut F32TestWrapper(0.),
end: &F32TestWrapper(5.),
expected_delta: Some(5.),
expected_serialized_patch_size: 5,
expected_did_change: true,
}
.test();
}
#[test]
fn f64_unchanged() {
DipaImplTester {
label: Some("Diff patch different f64"),
start: &mut F64TestWrapper(0.),
end: &F64TestWrapper(0.),
expected_delta: None,
expected_serialized_patch_size: 1,
expected_did_change: false,
}
.test();
}
#[test]
fn f64_changed() {
DipaImplTester {
label: Some("Diff patch different f64"),
start: &mut F64TestWrapper(0.),
end: &F64TestWrapper(5.),
expected_delta: Some(5.),
expected_serialized_patch_size: 9,
expected_did_change: true,
}
.test();
}
}