chore: checkpoint before Python removal

vendor/schemars/tests/bound.rs

@@ -0,0 +1,32 @@
+mod util;
+use std::marker::PhantomData;
+
+use schemars::JsonSchema;
+use util::*;
+
+struct MyIterator;
+
+impl Iterator for MyIterator {
+    type Item = String;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        unimplemented!()
+    }
+}
+
+// The default trait bounds would require T to implement JsonSchema,
+// which MyIterator does not.
+#[derive(JsonSchema)]
+#[schemars(bound = "T::Item: JsonSchema", rename = "MyContainer")]
+pub struct MyContainer<T>
+where
+    T: Iterator,
+{
+    pub associated: T::Item,
+    pub generic: PhantomData<T>,
+}
+
+#[test]
+fn manual_bound_set() -> TestResult {
+    test_default_generated_schema::<MyContainer<MyIterator>>("bound")
+}