diff --git a/tests/.gitignore b/tests/.gitignore
index 5c05d9d..d93c979 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -6,4 +6,8 @@
 # this notice are preserved. This file is offered as-is, without any warranty.
 # 
 
+*.log
+*.sum
+site.bak
+site.exp
 tcsgrep
diff --git a/tests/Makefile.am b/tests/Makefile.am
index ab2676d..0719ceb 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -6,7 +6,12 @@
 # this notice are preserved. This file is offered as-is, without any warranty.
 # 
 
-AM_CPPFLAGS     = -I$(top_srcdir)/src
+AUTOMAKE_OPTIONS = dejagnu
+AM_CPPFLAGS      = -I$(top_srcdir)/src
+
 noinst_PROGRAMS = tcsgrep
 tcsgrep_SOURCES = tcsgrep.c
 tcsgrep_LDADD   = $(top_srcdir)/src/libctlseqs.la
+
+RUNTESTDEFAULTFLAGS       = TCSGREP_BIN=$(srcdir)/tcsgrep
+EXTRA_DEJAGNU_SITE_CONFIG = $(srcdir)/init.exp
diff --git a/tests/ctlseqs/match.exp b/tests/ctlseqs/match.exp
new file mode 100644
index 0000000..239c143
--- /dev/null
+++ b/tests/ctlseqs/match.exp
@@ -0,0 +1,43 @@
+# 
+# Copyright (C) 2021  CismonX <admin@cismon.net>
+# 
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty, provided the copyright notice and
+# this notice are preserved. This file is offered as-is, without any warranty.
+# 
+
+set tool ctlseqs
+set timeout 2
+
+set n1 [ expr int(rand()*5000) ]
+set n2 [ expr int(rand()*5000) ]
+set n3 [ expr int(rand()*5000) ]
+
+set input { }
+lappend input "$CSI$n1;${n2}H"
+lappend input "$DCS$n1;$n2|$n3$ST" 
+lappend input "$CSI<?${n1}Z"
+
+set output { }
+lappend output "OK CUP $n1 $n2"
+lappend output "OK DECUDK $n1 $n2 $n3"
+lappend output "NOMATCH [ expr [ string length $n1 ] + 5 ] ESC \[ < ? [ split $n1 {} ] Z"
+
+tcsgrep_start
+
+for { set i 0 } { $i < [ llength $input ] } { incr i } {
+    set seq [ lindex $input $i ]
+    set expected [ lindex $output $i ]
+    send -- $seq
+    expect {
+        -ex "$expected\n" {
+            pass "OK"
+        }
+        default {
+            puts $expect_out(buffer)
+            fail "fail"
+        }
+    }
+}
+
+tcsgrep_stop
diff --git a/tests/ctlseqs/nomem.exp b/tests/ctlseqs/nomem.exp
new file mode 100644
index 0000000..174ea3e
--- /dev/null
+++ b/tests/ctlseqs/nomem.exp
@@ -0,0 +1,7 @@
+# 
+# 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.
+# 
diff --git a/tests/ctlseqs/partial.exp b/tests/ctlseqs/partial.exp
new file mode 100644
index 0000000..174ea3e
--- /dev/null
+++ b/tests/ctlseqs/partial.exp
@@ -0,0 +1,7 @@
+# 
+# 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.
+# 
diff --git a/tests/ctlseqs/timeout.exp b/tests/ctlseqs/timeout.exp
new file mode 100644
index 0000000..174ea3e
--- /dev/null
+++ b/tests/ctlseqs/timeout.exp
@@ -0,0 +1,7 @@
+# 
+# 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.
+# 
diff --git a/tests/init.exp b/tests/init.exp
new file mode 100644
index 0000000..b3c1d1e
--- /dev/null
+++ b/tests/init.exp
@@ -0,0 +1,44 @@
+# 
+# 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.
+# 
+
+proc tcsgrep_start args {
+    global TCSGREP_BIN
+    set run_cmd [ list $TCSGREP_BIN "-t500" ]
+    foreach arg $args {
+        lappend run_cmd [
+            switch -regexp -matchvar value -- $arg {
+                verbose      { lindex "-v" }
+                purge        { lindex "-p" }
+                limit=(\\d+) { lindex "-l[lindex $value 1]" }
+            }
+        ]
+    }
+    set stty_init { raw -echo }
+    global spawn_id
+    spawn {*}$run_cmd
+}
+
+proc tcsgrep_stop { } {
+    global spawn_id
+    send \x04
+    expect {
+        -ex "NOSEQ 1 EOT\n" { }
+        default {
+            fail "program exited unexpectedly"
+        }
+    }
+    catch wait result
+    if { [ set exit_code [ lindex $result 3 ] ] } {
+        fail "program exited with code $exit_code"
+    }
+}
+
+set ESC "\x1b"
+set CSI "$ESC\["
+set DCS "${ESC}P"
+set ST  "$ESC\\"
diff --git a/tests/tcsgrep.c b/tests/tcsgrep.c
index 0dd9ccf..6fe340e 100644
--- a/tests/tcsgrep.c
+++ b/tests/tcsgrep.c
@@ -439,7 +439,7 @@ main(int argc, char **argv)
                 }
             case CTLSEQS_NOSEQ:
                 print_generic_seq("NOSEQ", result, true);
-                if (result[1].str[0] == 0x04) {
+                if (!ctx.not_tty && result[1].str[0] == 0x04) {
                     goto terminate;
                 }
                 break;