chore: add more tests

.gitignore

@@ -6,4 +6,5 @@ Cargo.lock
 .DS_Store
 
 layout.png
-serialization-test.pk
+serialization-example.vk
+serialization-example.pk

halo2_backend/src/plonk/circuit.rs

@@ -366,3 +366,47 @@ fn shuffle_argument_required_degree<F: Field, V: Variable>(arg: &shuffle::Argume
     // (1 - (l_last + l_blind)) (z(\omega X) (s(X) + \gamma) - z(X) (a(X) + \gamma))
     std::cmp::max(2 + shuffle_degree, 2 + input_degree)
 }
+
+#[cfg(test)]
+mod tests {
+    use super::ExpressionBack;
+    use halo2curves::bn256::Fr;
+
+    #[test]
+    fn expressionback_iter_sum() {
+        let exprs: Vec<ExpressionBack<Fr>> = vec![
+            ExpressionBack::Constant(1.into()),
+            ExpressionBack::Constant(2.into()),
+            ExpressionBack::Constant(3.into()),
+        ];
+        let happened: ExpressionBack<Fr> = exprs.into_iter().sum();
+        let expected: ExpressionBack<Fr> = ExpressionBack::Sum(
+            Box::new(ExpressionBack::Sum(
+                Box::new(ExpressionBack::Constant(1.into())),
+                Box::new(ExpressionBack::Constant(2.into())),
+            )),
+            Box::new(ExpressionBack::Constant(3.into())),
+        );
+
+        assert_eq!(happened, expected);
+    }
+
+    #[test]
+    fn expressionback_iter_product() {
+        let exprs: Vec<ExpressionBack<Fr>> = vec![
+            ExpressionBack::Constant(1.into()),
+            ExpressionBack::Constant(2.into()),
+            ExpressionBack::Constant(3.into()),
+        ];
+        let happened: ExpressionBack<Fr> = exprs.into_iter().product();
+        let expected: ExpressionBack<Fr> = ExpressionBack::Product(
+            Box::new(ExpressionBack::Product(
+                Box::new(ExpressionBack::Constant(1.into())),
+                Box::new(ExpressionBack::Constant(2.into())),
+            )),
+            Box::new(ExpressionBack::Constant(3.into())),
+        );
+
+        assert_eq!(happened, expected);
+    }
+}

halo2_frontend/Cargo.toml

@@ -43,6 +43,9 @@ tabbycat = { version = "0.1", features = ["attributes"], optional = true }
 proptest = "1"
 rand_core = { version = "0.6", default-features = false, features = ["getrandom"] }
 serde_json = "1"
+tracing-subscriber = { version = "0.3" }
+tracing = "0.1"
+tracing-capture = "0.1"
 
 [target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dev-dependencies]
 getrandom = { version = "0.2", features = ["js"] }

halo2_frontend/src/dev/cost.rs

@@ -555,6 +555,12 @@ mod tests {
                 Ok(())
             }
         }
-        CircuitCost::<Eq, MyCircuit>::measure(K, &MyCircuit).proof_size(1);
+        let cost = CircuitCost::<Eq, MyCircuit>::measure(K, &MyCircuit);
+
+        let marginal_proof_size = cost.marginal_proof_size();
+        assert_eq!(usize::from(marginal_proof_size), 0);
+
+        let proof_size = cost.proof_size(1);
+        assert_eq!(usize::from(proof_size), 608);
     }
 }