Add test for schemars

examples/with_winit/Cargo.toml

@@ -17,7 +17,7 @@ default = ["wgpu-profiler"]
 # wgpu (which means the dependency used in wgpu-profiler would be incompatible)
 wgpu-profiler = ["dep:wgpu-profiler", "vello/wgpu-profiler"]
 # Test for dependencies which implement std traits in ways that cause type inference issues.
-_ci_dep_features_to_test = ["dep:kurbo", "kurbo/schemars"]
+_ci_dep_features_to_test = ["dep:kurbo", "kurbo/schemars", "dep:schemars"]
 
 [lints]
 workspace = true
@@ -45,6 +45,8 @@ log = { workspace = true }
 tracing = { version = "0.1.40", features = ["log-always"] }
 # For _ci_dep_features_to_test feature tests.
 kurbo = { workspace = true, optional = true }
+# For _ci_dep_features_to_test feature tests.
+schemars = { version = "0.8.21", optional = true }
 
 [target.'cfg(not(target_os = "android"))'.dependencies]
 # We use android_logger on Android

examples/with_winit/src/lib.rs

@@ -945,3 +945,13 @@ fn android_main(app: AndroidApp) {
 
     run(event_loop, args, scenes, render_cx);
 }
+
+#[cfg(all(feature = "_ci_dep_features_to_test", test))]
+#[test]
+// This just tests that the "kurbo" dependency we enable schemars for
+// aligns to the same version that vello's peniko dependency resolves to.
+fn test_kurbo_schemars_with_peniko() {
+    use schemars::schema_for;
+    let s = schema_for!(vello::peniko::kurbo::Rect);
+    println!("{:?}", s);
+}