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-rw-r--r--users/tazjin/german-string/Cargo.lock392
-rw-r--r--users/tazjin/german-string/Cargo.toml3
-rw-r--r--users/tazjin/german-string/src/lib.rs34
3 files changed, 428 insertions, 1 deletions
diff --git a/users/tazjin/german-string/Cargo.lock b/users/tazjin/german-string/Cargo.lock
index 14d31ce55628..ffd73ea32472 100644
--- a/users/tazjin/german-string/Cargo.lock
+++ b/users/tazjin/german-string/Cargo.lock
@@ -3,5 +3,397 @@
 version = 3
 
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+ "zerocopy-derive",
+]
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diff --git a/users/tazjin/german-string/Cargo.toml b/users/tazjin/german-string/Cargo.toml
index 90462e964839..8eec963f071a 100644
--- a/users/tazjin/german-string/Cargo.toml
+++ b/users/tazjin/german-string/Cargo.toml
@@ -3,4 +3,5 @@ name = "german-string"
 version = "0.1.0"
 edition = "2021"
 
-[dependencies]
+[dev-dependencies]
+proptest = "1.5.0"
diff --git a/users/tazjin/german-string/src/lib.rs b/users/tazjin/german-string/src/lib.rs
index 380ca4ed626c..ed2efd3872f1 100644
--- a/users/tazjin/german-string/src/lib.rs
+++ b/users/tazjin/german-string/src/lib.rs
@@ -117,6 +117,8 @@ impl PartialEq for GermanString {
     }
 }
 
+impl Eq for GermanString {}
+
 impl Debug for GermanString {
     fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> {
         String::from_utf8_lossy(self.as_bytes()).fmt(f)
@@ -126,6 +128,18 @@ impl Debug for GermanString {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use proptest::prelude::*;
+
+    impl Arbitrary for GermanString {
+        type Parameters = <String as Arbitrary>::Parameters;
+        type Strategy = BoxedStrategy<Self>;
+
+        fn arbitrary_with(args: Self::Parameters) -> Self::Strategy {
+            any_with::<String>(args)
+                .prop_map(|s| GermanString::new_transient(s.as_bytes()))
+                .boxed()
+        }
+    }
 
     #[test]
     fn test_empty_string() {
@@ -175,4 +189,24 @@ mod tests {
             "long string returns correct string"
         );
     }
+
+    // Test [`Eq`] implementation.
+    proptest! {
+        #[test]
+        fn test_reflexivity(x: GermanString) {
+            prop_assert!(x == x);
+        }
+
+        #[test]
+        fn test_symmetry(x: GermanString, y: GermanString) {
+            prop_assert_eq!(x == y, y == x);
+        }
+
+        #[test]
+        fn test_transitivity(x: GermanString, y: GermanString, z: GermanString) {
+            if x == y && y == z {
+                assert!(x == z);
+            }
+        }
+    }
 }
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-21T22ยท19+0000