aucpace: test with cargo hack

Ensure the build works with all feature combinations

Author: tarcieri

.github/workflows/aucpace.yml

@@ -49,4 +49,6 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
+      - uses: RustCrypto/actions/cargo-hack-install@master
+      - run: cargo hack test --feature-powerset
       - run: cargo test --release --all-features

aucpace/tests/test_key_agreement.rs

@@ -1,3 +1,5 @@
+#![cfg(all(feature = "alloc", feature = "rand"))]
+
 use aucpace::{
     Client, ClientMessage, Database, OsRng, Result, Server, ServerMessage,
     client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},

aucpace/tests/test_key_agreement_partial_aug.rs

@@ -1,8 +1,10 @@
-use aucpace::OsRng;
-use aucpace::client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey};
-use aucpace::server::{AuCPaceServerAugLayer, AuCPaceServerRecvClientKey};
+#![cfg(all(feature = "alloc", feature = "partial_augmentation", feature = "rand"))]
+
 use aucpace::{
-    Client, ClientMessage, Database, Error, PartialAugDatabase, Result, Server, ServerMessage,
+    Client, ClientMessage, Database, Error, OsRng, PartialAugDatabase, Result, Server,
+    ServerMessage,
+    client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},
+    server::{AuCPaceServerAugLayer, AuCPaceServerRecvClientKey},
 };
 use curve25519_dalek::{RistrettoPoint, Scalar};
 use password_hash::{ParamsString, SaltString};

aucpace/tests/test_key_agreement_strong.rs

@@ -1,3 +1,5 @@
+#![cfg(all(feature = "alloc", feature = "rand", feature = "strong_aucpace"))]
+
 use aucpace::{
     Client, ClientMessage, OsRng, Result, Server, ServerMessage, StrongDatabase,
     client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},

aucpace/tests/test_key_agreement_strong_partial_aug.rs

@@ -1,3 +1,10 @@
+#![cfg(all(
+    feature = "alloc",
+    feature = "partial_augmentation",
+    feature = "rand",
+    feature = "strong_aucpace"
+))]
+
 use aucpace::{
     Client, ClientMessage, Error, OsRng, PartialAugDatabase, Result, Server, ServerMessage,
     StrongDatabase,