Update tests.

tests/ctlseqs/8bitchar.exp

@@ -0,0 +1,33 @@
+# 
+# Copyright (C) 2021  CismonX <admin@cismon.net>
+# 
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty, provided the copyright notice and
+# this notice are preserved. This file is offered as-is, without any warranty.
+# 
+
+set tool ctlseqs
+set timeout 2
+
+set CSI_8BIT "\x9b"
+
+tcsgrep_start
+
+# Use Latin-1 charset, which supports 8-bit characters.
+# Otherwise it will be converted into a 2-byte UTF-8 character.
+fconfigure $spawn_id -encoding iso8859-1
+
+send $CSI_8BIT
+expect {
+    # ctlseqs does not recognize 8-bit control characters,
+    # but reading them should not break the program.
+    -ex "NOSEQ 1 \\x9b\n" {
+        pass "pass"
+    }
+    default {
+        puts $expect_out(buffer)
+        fail "fail"
+    }
+}
+
+tcsgrep_stop

tests/ctlseqs/match.exp

@@ -28,7 +28,7 @@ tcsgrep_start
 for { set i 0 } { $i < [ llength $input ] } { incr i } {
     set seq [ lindex $input $i ]
     set expected [ lindex $output $i ]
-    send -- $seq
+    send $seq
     expect {
         -ex "$expected\n" {
             pass "pass"

tests/ctlseqs/nomem.exp

@@ -9,12 +9,15 @@
 set tool ctlseqs
 set timeout 2
 
+# Tests library behaviour when read buffer is full.
+# Also tests whether buffer purging works.
+
 set seq "${CSI}123;4567S"
 set expected "NOMEM 10 ESC \[ 1 2 3 ; 4 5 6 7\nNOSEQ 1 S"
 
 tcsgrep_start limit=10 purge
 
-send -- $seq
+send $seq
 expect {
     -ex "$expected\n" {
         pass "pass"

tests/ctlseqs/partial.exp

@@ -14,9 +14,11 @@ set nlen [ string length $n1 ]
 
 tcsgrep_start verbose
 
-send -- "$CSI"
+send "$CSI"
 expect {
-    -ex "PARTIAL 2 ESC \[\n" { }
+    -ex "PARTIAL 2 ESC \[\n" {
+        pass "pass"
+    }
     default {
         puts $expect_out(buffer)
         fail "fail"
@@ -24,9 +26,11 @@ expect {
 }
 
 for { set i 0 } { $i < $nlen } { incr i } {
-    send -- [ string index $n1 $i ]
+    send [ string index $n1 $i ]
     expect {
-        -ex "PARTIAL [ expr $i + 3 ] ESC \[ [ split [ string range $n1 0 $i ] {} ]\n" { }
+        -ex "PARTIAL [ expr $i + 3 ] ESC \[ [ split [ string range $n1 0 $i ] {} ]\n" {
+            pass "pass"
+        }
         default {
             puts $expect_out(buffer)
             fail "fail"
@@ -34,7 +38,7 @@ for { set i 0 } { $i < $nlen } { incr i } {
     }
 }
 
-send -- "p"
+send "p"
 expect {
     -ex "NOMATCH [ expr $nlen + 3 ] ESC \[ [ split $n1 {} ] p\n" {
         pass "pass"