SHA-2 family support
diff --git a/tests/primitives/test_hashes.py b/tests/primitives/test_hashes.py
index 4ad5c89..2f2dd1c 100644
--- a/tests/primitives/test_hashes.py
+++ b/tests/primitives/test_hashes.py
@@ -26,3 +26,43 @@
         only_if=lambda api: api.supports_hash(hashes.SHA1),
         skip_message="Does not support SHA1",
     )
+
+
+class TestSHA224(object):
+    test_SHA224 = generate_base_hash_test(
+        hashes.SHA224,
+        digest_size=28,
+        block_size=64,
+        only_if=lambda api: api.supports_hash(hashes.SHA224),
+        skip_message="Does not support SHA224",
+    )
+
+
+class TestSHA256(object):
+    test_SHA256 = generate_base_hash_test(
+        hashes.SHA256,
+        digest_size=32,
+        block_size=64,
+        only_if=lambda api: api.supports_hash(hashes.SHA256),
+        skip_message="Does not support SHA256",
+    )
+
+
+class TestSHA384(object):
+    test_SHA384 = generate_base_hash_test(
+        hashes.SHA384,
+        digest_size=48,
+        block_size=128,
+        only_if=lambda api: api.supports_hash(hashes.SHA384),
+        skip_message="Does not support SHA384",
+    )
+
+
+class TestSHA512(object):
+    test_SHA512 = generate_base_hash_test(
+        hashes.SHA512,
+        digest_size=64,
+        block_size=128,
+        only_if=lambda api: api.supports_hash(hashes.SHA512),
+        skip_message="Does not support SHA512",
+    )