add a few more test cases

Author: kclowes

tests/core/utilities/test_abi_is_encodable.py

@@ -36,6 +36,7 @@
         ('all-TLDs-valid-now.test', 'address', True),
         ('ff', 'address', True),  # this could theoretically be a top-level domain (TLD)
         ('0xname.eth', 'address', True),  # 0x in name is fine, if it is not a TLD
+        ('rejects_invalid_names.eth', 'address', False), # no underscore in domain names
 
         # Special bytes<M> behavior
         ('12', 'bytes2', True),  # undersize OK
@@ -65,6 +66,7 @@
         (('1', 0), '(bytes,int128)', False),
 
         (('dennisthepeasant.eth', 0), '(address,int128)', True),
+        (('rejects_invalid_domains.eth', 0), '(address,int128)', False),
 
         ((b'anything', 0), '(string,int128)', True),
         ((b'\x80', 0), '(string,int128)', False),

tests/ens/test_nameprep.py

@@ -19,12 +19,15 @@ def test_nameprep_basic_unicode(ens):
     assert ens.nameprep("√.com") == "√.com"
     assert ens.nameprep("ԛәлп.com") == "ԛәлп.com"
     assert ens.nameprep("test\u200btest.com") == "testtest.com"
+    assert ens.nameprep("-test.com") == "-test.com"
+    assert ens.nameprep("1test.com") == "1test.com"
+    assert ens.nameprep("test.1com") == "test.1com"
 
 
 @pytest.mark.parametrize(
     'url', [
         ('not=std3'),
-        ('not_std3.eth'),
+        ('not_std3.eth'), #underscores not allowed
     ]
 )
 def test_nameprep_std3_rules(ens, url):