@@ -45,12 +45,20 @@
 Ciphers Protocol Specific,TLS1,tls1,,"lcompare [exec_get "":"" ciphers -tls1 -s] [::tls::ciphers tls1 0 1]",,,missing {} unexpected {},,,
 Ciphers Protocol Specific,TLS1.1,tls1.1,,"lcompare [exec_get "":"" ciphers -tls1_1 -s] [::tls::ciphers tls1.1 0 1]",,,missing {} unexpected {},,,
 Ciphers Protocol Specific,TLS1.2,tls1.2,,"lcompare [exec_get "":"" ciphers -tls1_2 -s] [::tls::ciphers tls1.2 0 1]",,,missing {} unexpected {},,,
 Ciphers Protocol Specific,TLS1.3,tls1.3,,"lcompare [concat [exec_get "":"" ciphers -tls1_3 -s] [exec_get "":"" ciphers -tls1_2 -s]] [::tls::ciphers tls1.3 0 1]",,,missing {} unexpected {},,,
 ,,,,,,,,,,
+command,# Ciphers Error Cases,,,,,,,,,
+Ciphers Errors,Too many args,,,::tls::ciphers too many args to pass,,,"wrong # args: should be ""tls::ciphers ?protocol? ?verbose? ?supported?""",,,1
+Ciphers Errors,Invalid protocol,,,::tls::ciphers bogus,,,"bad protocol ""bogus"": must be ssl2, ssl3, tls1, tls1.1, tls1.2, or tls1.3",,,1
+Ciphers Errors,Invalid verbose,,,::tls::ciphers tls1.3 bogus,,,"expected boolean value but got ""bogus""",,,1
+Ciphers Errors,Invalid supported,,,::tls::ciphers tls1_3 1 bogus,,,"expected boolean value but got ""bogus""",,,1
+Ciphers Errors,SSL2,!ssl2,,::tls::ciphers ssl2,,,ssl2: protocol not supported,,,1
+Ciphers Errors,SSL3,!ssl3,,::tls::ciphers ssl3,,,ssl3: protocol not supported,,,1
+,,,,,,,,,,
 command,# Test list digests,,,,,,,,,
-Digest List,All,,,lcompare [lsort [exec_get_digests]] [lsort [tls::digests]],,,missing {} unexpected {},,,
+Digests List,All,,,lcompare [lsort [exec_get_digests]] [lsort [tls::digests]],,,missing {} unexpected {},,,
 ,,,,,,,,,,
 command,# Test digest commands,,,,,,,,,
 Digest Cmds,md4 cmd,,,"tls::md4 ""Example string for message digest tests.""",,,181CDCF9DB9B6FA8FC0A3BF9C34E29D9,,,
 Digest Cmds,md5 cmd,,,"tls::md5 ""Example string for message digest tests.""",,,CCB1BE2E11D8183E843FF73DA8C6D206,,,
 Digest Cmds,sha1 cmd,,,"tls::sha1 ""Example string for message digest tests.""",,,3AEFE840CA492C387E903F15ED6019E7AD833B47,,,
@@ -98,14 +106,28 @@
 Digest HMAC,data,,,"tls::digest md5 -key ""Example key"" -data ""Example string for message digest tests.""",,,901DA6E6976A71650C77443C37FF9C7F,,,
 Digest HMAC,file,,,"tls::digest md5 -key ""Example key"" -file md_data.dat",,,901DA6E6976A71650C77443C37FF9C7F,,,
 Digest HMAC,channel,,,"read_chan md5 md_data.dat -key ""Example key""",,,901DA6E6976A71650C77443C37FF9C7F,,,
 Digest HMAC,data bin,,,"string toupper [binary encode hex [tls::digest md5 -bin -key ""Example key"" -data ""Example string for message digest tests.""]]",,,901DA6E6976A71650C77443C37FF9C7F,,,
 ,,,,,,,,,,
+command,# Digest Error Cases,,,,,,,,,
+Digest Errors,Too few args,,,::tls::digest,,,"wrong # args: should be ""::tls::digest type ?-bin|-hex? ?-key hmac_key? [-channel chan | -file filename | ?-data? data]""",,,1
+Digest Errors,Too many args,,,::tls::digest too many args to pass the test without an error,,,"wrong # args: should be ""::tls::digest type ?-bin|-hex? ?-key hmac_key? [-channel chan | -file filename | ?-data? data]""",,,1
+Digest Errors,Invalid digest,,,::tls::digest bogus data,,,"Invalid digest type ""bogus""",,,1
+Digest Errors,Invalid option,,,::tls::digest sha256 -bogus value,,,"bad option ""-bogus"": must be -bin, -data, -file, -filename, -hex, or -key",,,1
+Digest Errors,Invalid file,,,::tls::digest sha256 -file bogus,,,"couldn't open ""bogus"": no such file or directory",,,1
+Digest Errors,Invalid channel,,,::tls::digest sha256 -channel bogus,,,"can not find channel named ""bogus""",,,1
+,,,,,,,,,,
 command,# Test list MACs,,,,,,,,,
 MAC List,All,,,lcompare [exec_get_macs] [tls::macs],,,missing {} unexpected {},,,
 ,,,,,,,,,,
 command,# Test list protocols,,,,,,,,,
 Protocols,All,,,lcompare $protocols [::tls::protocols],,,missing {ssl2 ssl3} unexpected {},,,
 ,,,,,,,,,,
 command,# Test show version,,,,,,,,,
 Version,All,,,::tls::version,,glob,*,,,
 Version,OpenSSL,OpenSSL,,::tls::version,,glob,OpenSSL*,,,
+,,,,,,,,,,
+command,# Error Cases,,,,,,,,,
+Error Cases,Digests Too many args,,,::tls::digests too many args,,,"wrong # args: should be ""::tls::digests""",,,1
+Error Cases,MACs Too many args,,,::tls::macs too many args,,,"wrong # args: should be ""::tls::macs""",,,1
+Error Cases,Protocols Too many args,,,::tls::protocols too many args,,,"wrong # args: should be ""::tls::protocols""",,,1
+Error Cases,Version Too many args,,,::tls::version too many args,,,"wrong # args: should be ""::tls::version""",,,1