diff --git a/tests/defaults/b_cd.sh b/tests/defaults/b_cd.sh
new file mode 100644
index 0000000..dda39a3
--- /dev/null
+++ b/tests/defaults/b_cd.sh
@@ -0,0 +1,278 @@
+cd
+pwd
+
+cd .
+pwd
+
+cd ~
+pwd
+
+cd /
+pwd
+
+cd no_file
+pwd
+
+cd a b c d
+pwd
+
+cd $HOME/Documents
+pwd
+
+cd ../../../../../..
+pwd
+
+cd ..
+pwd
+/bin/ls
+
+cd notworking
+
+cd .
+
+cd .. 
+pwd
+/bin/ls
+cd .. 
+      pwd    
+/bin/ls
+     cd notworking
+     cd .
+
+cd ~
+
+cd ../Desktop
+
+cd
+
+cd poep
+
+mkdir dir
+cd dir
+pwd
+
+mkdir dir
+cd dir
+cd .
+pwd
+
+mkdir dir
+cd dir
+cd ./
+pwd
+
+mkdir dir
+cd dir
+cd ..
+pwd
+
+mkdir dir
+cd dir
+cd ../
+pwd
+
+touch testfile
+cd testfile
+
+cd NO_SUCH_FILE
+pwd
+
+cd hello world
+pwd
+
+cd /
+pwd
+
+cd /
+cd ../../akjwyefgjkwveyjfgweyugyuwegf76t273/../../
+pwd
+
+mkdir dir
+cd dir
+cd ../nosuchdir/../dir
+pwd
+
+mkdir hello
+cd hello world
+pwd
+
+cd /
+pwd
+
+cd /bin
+pwd
+
+cd /bin/../
+pwd
+
+mkdir dir
+cd DIR
+pwd
+
+mkdir DIR
+cd dir
+pwd
+
+mkdir DIR
+cd DIR
+pwd
+
+mkdir dir
+chmod 000 dir
+cd dir
+pwd
+chmod 777 dir
+
+mkdir dir
+ln -s dir link
+cd link
+pwd
+
+mkdir dir
+ln -s dir link
+rmdir dir
+cd link
+pwd
+
+mkdir dir
+cd dir
+cd ./
+pwd
+cd .
+pwd
+cd ./././././
+pwd
+cd .////////./
+pwd
+cd ../
+pwd
+
+mkdir dir
+cd dir
+rmdir ../dir
+cd ./
+pwd
+cd .
+pwd
+cd ./././././
+pwd
+cd .////////./
+pwd
+cd ../
+pwd
+
+mkdir -p a/b/c
+cd a/b/c
+rm -rf ../../b
+cd ./
+pwd
+cd ../
+pwd
+cd .////./
+pwd
+
+mkdir -p a/b/c
+cd a/b/c
+rm -rf ../../b
+cd ./
+pwd
+cd .././.
+pwd
+cd ./
+pwd
+cd ../
+pwd
+
+cd
+pwd
+
+export HOME=
+cd
+pwd
+
+unset HOME
+cd
+pwd
+
+export HOME="./"
+cd
+pwd
+
+export HOME="../../"
+cd
+pwd
+
+export HOME=""
+cd
+pwd
+
+export HOME="/BIN"
+cd
+pwd
+
+export HOME=a
+mkdir -p a/b
+cd
+pwd
+
+export HOME=NO_SUCH_FILE
+cd
+pwd
+
+mkdir -p a/b/c/d/e/f/g/h/i/
+cd a/b/c/d/../../c/d/e/f/g/h/i/../../../g/h/i/../.././././../g/h/i/../../../../../../../c/d/../d/../d/e/../../d/e/.././././e/f/.//////../f/g/h/i/////../../../
+pwd
+
+export HOME="/"
+cd
+cd ../../../../../././././../../../././../../../
+pwd
+
+cd /
+pwd
+cd /bin
+pwd
+
+cd /
+pwd
+cd //bin
+pwd
+
+cd //
+pwd
+cd //bin
+pwd
+
+cd ///
+pwd
+cd ///bin
+pwd
+
+cd ////
+pwd
+cd ////bin
+pwd
+
+cd /////
+pwd
+cd /////bin
+pwd
+
+cd //////
+pwd
+cd //////bin
+pwd
+
+cd ///////
+pwd
+cd ///////bin
+pwd
+
+export HOME=//
+cd
+
+export HOME=//bin/..////////////bin/../
+cd
+
+export HOME=///
+cd
diff --git a/tests/defaults/b_echo.sh b/tests/defaults/b_echo.sh
new file mode 100644
index 0000000..52829a8
--- /dev/null
+++ b/tests/defaults/b_echo.sh
@@ -0,0 +1,118 @@
+echo
+
+Echo
+
+echo bonjour
+/bin/echo bonjour
+
+echo simple
+
+echo -n simple
+
+echo -n -n -nnnn -nnnnm
+
+echo hi
+echo
+echo
+echo
+
+echo
+echo
+echo
+echo working
+
+
+echo
+
+echo a
+
+echo	tab
+
+echo "	tab	"
+
+echo		tab
+
+echo hello world
+
+echo -n
+
+echo -n a
+
+echo -n hello world
+
+echo -nnnnnnnn
+
+echo -nnnnnnnn a
+
+echo -nnnnnnnn hello world
+
+echo -nnnnnnnn -nnnnnnnn
+
+echo -nnnnnnnn -nnnnnnnn a
+
+echo -nnnnnnnn -nnnnnnnn hello world
+
+echo -nk hello
+
+echo -nnnnnnnnnnk hello
+
+echo -nknknknk hello
+
+echo hello -n
+
+echo hello -nnnnnnn
+
+echo hello -nknknknknk
+
+echo hello -nnnnnnnnn -nnnnnnnnn
+
+echo \-n hello
+
+echo "-n" hello
+
+echo '-n' hello
+
+echo "-n" "hello"
+
+echo '-n' 'hello'
+
+echo \-\n \h\e\l\l\o
+
+echo '\-\n' '\h\e\l\l\o'
+
+echo "\-\n" "\h\e\l\l\o"
+
+echo $PATH
+
+echo "$PATH"
+
+echo '$PATH'
+
+echo \$PATH
+
+echo "\$PATH"
+
+echo '\$PATH'
+
+echo a "" b "" c
+
+echo a "$NO_SUCH_ENV" b $NO_SUCH_ENV c, unset NO_SUCH_ENV
+
+echo		hello
+
+echo \"$\"
+
+echo "$ $ $ $ $ $ "
+
+echo "\$\$USER\\$USER""$USER"
+
+echo $
+
+echo \$USER
+
+echo \\$USER
+
+echo \\\$USER
+
+echo \\\\$USER
+
diff --git a/tests/defaults/b_env.sh b/tests/defaults/b_env.sh
new file mode 100644
index 0000000..ad1ecd9
--- /dev/null
+++ b/tests/defaults/b_env.sh
@@ -0,0 +1,367 @@
+env
+
+env
+
+export BLOU=
+env
+unset BLOU
+env
+
+unset LOL ROR
+env
+
+unset blablabla
+env
+
+export var
+
+export var=test
+
+export var ="cat Makefile | grep >"
+
+export "test=ici"=coucou
+
+export LOL=lala ROR=rara
+
+export "HI= hi"
+
+export "HI =hi"
+
+export b='\\'
+export c="\b"
+env
+
+export a=hijdoehet
+env
+
+export test=working
+env
+
+export test1
+env
+
+export test1=
+env
+
+export 1test
+env
+
+export _TEST=DOethetwelmetunderscore
+env
+
+env
+echo
+export a=hijdoehet
+echo
+env
+
+echo
+export test=working
+echo
+env
+
+echo
+export test1
+echo
+env
+
+echo
+export test1=
+echo
+env
+
+export ZZZ
+export ZZZ=
+env
+
+export TEST="evenchecken"
+echo $TEST
+
+unset a
+env
+unset test
+unset test1
+env
+
+unset PATH
+ls
+wc
+awk
+
+export PATH="test:working:multiplepath:directory1:directory2"
+/usr/bin/env
+
+export ZZZ
+env
+
+export ZZZ=
+env
+
+export ZZZ=new_value
+env
+
+export ZZZ======new
+env
+
+export ZZZ=new YYY=new2 XXX===new3
+env
+
+export $USER
+env
+
+export TEST=$USER4857987345
+env
+
+export 123$USER---
+env
+
+export MARANSIEMONS
+env
+
+export MARANSIEMONS=lief
+env
+
+export TEST=/Users/maran/Desktop/minishell
+
+export kip=ei=koe===melk
+env
+
+export TEST1=test1 TEST2=test2
+env
+unset TEST1
+unset TEST2
+env
+
+export TEST1=test1 TEST2=test2
+unset TEST1 TEST2
+env
+
+export TEST1=test1
+export TEST2=test2
+unset TEST1 TEST2
+env
+
+export ""
+env
+
+unset ""
+env
+
+
+env | grep -v -E '^_=' | sort
+
+cd ../
+env | grep -v -E '^_=' | sort
+
+export | grep -v -E '^declare -x _='
+env
+
+export 1 _+ _OK _2? _OK2=VAR =NG OK3=
+export | grep -v -E '^declare -x _='
+env
+
+export dquote='"' dollar='$' backslash='\' backquote='`' newline='\n'
+export | grep -v -E '^declare -x _='
+env
+
+export APPEND=1
+export APPEND+=2
+export | grep APPEND
+env
+
+export APPEND_NONE=1
+export APPEND_NONE+=
+export | grep APPEND_NONE
+env
+
+export APPEND_NONE=
+export APPEND_NONE=
+export APPEND_NONE+=
+export | grep APPEND_NONE
+env
+
+export APPEND_EMPTY=""
+export APPEND_EMPTY=""
+export APPEND_EMPTY=""
+export | grep APPEND_EMPTY
+env
+
+export OVERWRITE=42
+export OVERWRITE=a
+export | grep OVERWRITE
+env
+
+export A=B=C=D
+export | grep A
+env
+
+export PATH
+export | grep PATH
+env
+
+export PWD
+export | grep PWD
+env
+
+export OLDPWD
+export | grep OLDPWD
+env
+
+unset PWD
+cd ..
+export | grep PWD
+env
+
+unset OLDPWD
+cd ..
+export | grep OLDPWD
+env
+
+unset PWD
+cd ..
+export PWD=new_value
+export | grep PWD
+env
+
+unset OLDPWD
+cd ..
+export OLDPWD=new_value
+export | grep OLDPWD
+env
+
+unset PWD
+cd ..
+export PWD
+export | grep PWD
+env
+
+unset OLDPWD
+cd ..
+export OLDPWD
+export | grep OLDPWD
+env
+
+export =
+env
+
+export PATH=":"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH=":/"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="::"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="/:"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="/bin:"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH=":/bin"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="::/bin::"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="/bin:"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH="hello:"
+ls , cp /bin/ls .
+chmod 000 ls
+
+export PATH=""
+nosuchfile
+
+export PATH=''
+nosuchfile
+
+unset PATH
+nosuchfile
+
+unset PATH
+export PATH
+nosuchfile
+
+unset PATH
+export PATH=
+nosuchfile
+
+export PATH=":a:b"
+mkdir a b
+printf '#!/bin/bash\necho a' > a/cmd
+printf '#!/bin/bash\necho b' > b/cmd
+printf '#!/bin/bash\necho cwd' > cmd
+chmod +x a/cmd b/cmd cmd
+
+export PATH="b:a:"
+mkdir a b
+printf '#!/bin/bash\necho a' > a/cmd
+printf '#!/bin/bash\necho b' > b/cmd
+printf '#!/bin/bash\necho cwd' > cmd
+chmod +x a/cmd b/cmd cmd
+
+export PATH="a:b"
+mkdir a b
+printf '#!/bin/bash\necho a' > a/cmd
+printf '#!/bin/bash\necho b' > b/cmd
+printf '#!/bin/bash\necho cwd' > cmd
+chmod +x a/cmd b/cmd cmd
+
+export PATH="no_such_dir:a"
+mkdir a
+printf '#!/bin/bash\necho a' > a/cmd
+printf '#!/bin/bash\necho cwd' > cmd
+chmod +x a/cmd b/cmd cmd
+
+export PATH="no_such_dir1:no_such_dir2:"
+printf '#!/bin/bash\necho cwd' > cmd
+chmod +x a/cmd b/cmd cmd
+
+unset
+env | grep -v -E '^_=' | sort
+
+unset A
+echo $A
+export A='test $A'
+
+unset _A1
+echo $_A1
+export _A1='test $_A1'
+
+unset A B C
+echo $A$B$C$D
+export A=test B=multiple C=var D=hello
+
+unset A B =invalid C
+echo $A$B$C$D
+export A=test B=multiple C=var D=hello
+
+unset PWD
+echo $PWD
+
+unset OLDPWD
+echo $OLDPWD
+
+unset NO_SUCH_ENV
+echo $?$NO_SUCH_ENV
+unset NO_SUCH_ENV
+
+unset 1
+
+unset A=a
+echo $A
+export A=a
+
+unset ' \"$&`\n'
+
diff --git a/tests/defaults/b_exit.sh b/tests/defaults/b_exit.sh
new file mode 100644
index 0000000..8dae1d3
--- /dev/null
+++ b/tests/defaults/b_exit.sh
@@ -0,0 +1,69 @@
+exit a aa a
+
+exit -10
+
+exit +10
+
+exit 123 123 123
+
+exit 99
+
+exit 3 a
+
+exit 55 99
+
+exit 0
+
+exit 1
+
+exit -1
+
+exit 2147483647
+
+exit 2147483648
+
+exit -2147483648
+
+exit -2147483649
+
+exit 9223372036854775807
+
+exit 9223372036854775808
+
+exit -9223372036854775808
+
+exit -9223372036854775809
+
+exit -- 42
+
+exit "        42           "
+
+exit -- -- 42
+
+exit --42
+
+exit ++42
+
+exit 42 42
+
+exit a
+
+exit 1a
+
+exit +
+
+exit -
+
+exit "          "
+
+exit 0 0
+
+exit 0 0
+exit
+
+exit 0 0
+echo "this message should not be displayed" 2> file
+ls
+
+exit 0 0 | echo hello
+
diff --git a/tests/defaults/b_pwd.sh b/tests/defaults/b_pwd.sh
new file mode 100644
index 0000000..ee9ef5a
--- /dev/null
+++ b/tests/defaults/b_pwd.sh
@@ -0,0 +1,167 @@
+pwd a
+
+pwd a b c d
+
+pwd
+
+pwd .
+
+pwd ..
+
+mkdir testt
+./testt
+cd ./testt
+pwd
+
+echo $OLDPWD
+
+echo $OLDPWD
+export OLDPWD=/
+
+echo $PWD
+
+echo $PWD
+export PWD=/
+
+echo $PWD, mkdir dir; ln -s dir symdir; cd symdir
+
+pwd
+
+pwd
+export PWD=/
+
+pwd
+mkdir dir
+ln -s dir symdir
+cd symdir
+
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+cd dir
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+cd dir
+cd ..
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+cd
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+cd dir
+rmdir ../dir
+cd ./
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+cd dir
+rmdir ../dir
+cd ./
+cd ././././././//////////./././././././//////./
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+cd dir
+rmdir ../dir
+cd ./
+cd ../
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+ln -s dir link
+cd link
+rmdir ../dir
+cd ./
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+ln -s dir link
+cd link
+rmdir ../dir
+cd ./
+cd ../
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir DIR
+cd dir
+rmdir ../DIR
+cd ./
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir DIR
+cd dir
+rmdir ../DIR
+cd ./
+cd ../
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+ln -s dir link
+cd LINK
+rmdir ../dir
+cd ./
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+mkdir dir
+ln -s dir link
+cd LINK
+rmdir ../dir
+cd ./
+cd ../
+pwd
+echo $PWD
+echo $OLDPWD
+export PWD=
+export OLDPWD=
+
+
diff --git a/tests/defaults/builtins.sh b/tests/defaults/builtins.sh
deleted file mode 100644
index 7641f3e..0000000
--- a/tests/defaults/builtins.sh
+++ /dev/null
@@ -1,106 +0,0 @@
-echo
-
-echo simple
-
-echo -n simple
-
-echo -n -n -nnnn -nnnnm
-
-pwd a
-
-pwd a b c d
-
-cd
-pwd
-
-cd .
-pwd
-
-cd ~
-pwd
-
-cd /
-pwd
-
-cd no_file
-pwd
-
-cd a b c d
-pwd
-
-cd $HOME/Documents
-pwd
-
-cd ../../../../../..
-pwd
-
-exit -10
-
-exit +10
-
-echo bonjour
-/bin/echo bonjour
-
-mkdir testt
-./testt
-cd ./testt
-pwd
-
-exit a aa a
-
-pwd
-
-Echo
-
-exit 123 123 123
-
-echo hi
-echo
-echo
-echo
-
-echo
-echo
-echo
-echo working
-
-echo
-
-cd ..
-pwd
-/bin/ls
-
-cd notworking
-
-cd .
-
-cd .. 
-pwd
-/bin/ls
-cd .. 
-      pwd    
-/bin/ls
-     cd notworking
-     cd .
-
-cd ~
-
-pwd
-
-pwd .
-
-pwd ..
-
-cd ../Desktop
-
-echo
-
-cd
-
-cd poep
-
-exit 99
-
-exit 3 a
-
-exit 55 99
diff --git a/tests/defaults/builtins_env.sh b/tests/defaults/builtins_env.sh
deleted file mode 100644
index 62a41c5..0000000
--- a/tests/defaults/builtins_env.sh
+++ /dev/null
@@ -1,148 +0,0 @@
-env
-
-env
-
-export BLOU=
-env
-unset BLOU
-env
-
-unset LOL ROR
-env
-
-unset blablabla
-env
-
-export var
-
-export var=test
-
-export var ="cat Makefile | grep >"
-
-export "test=ici"=coucou
-
-export LOL=lala ROR=rara
-
-export "HI= hi"
-
-export "HI =hi"
-
-export b='\\'
-export c="\b"
-env
-
-export a=hijdoehet
-env
-
-export test=working
-env
-
-export test1
-env
-
-export test1=
-env
-
-export 1test
-env
-
-export _TEST=DOethetwelmetunderscore
-env
-
-env
-echo
-export a=hijdoehet
-echo
-env
-
-echo
-export test=working
-echo
-env
-
-echo
-export test1
-echo
-env
-
-echo
-export test1=
-echo
-env
-
-export ZZZ
-export ZZZ=
-env
-
-export TEST="evenchecken"
-echo $TEST
-
-unset a
-env
-unset test
-unset test1
-env
-
-unset PATH
-ls
-wc
-awk
-
-export PATH="test:working:multiplepath:directory1:directory2"
-/usr/bin/env
-
-export ZZZ
-env
-
-export ZZZ=
-env
-
-export ZZZ=new_value
-env
-
-export ZZZ======new
-env
-
-export ZZZ=new YYY=new2 XXX===new3
-env
-
-export $USER
-env
-
-export TEST=$USER4857987345
-env
-
-export 123$USER---
-env
-
-export MARANSIEMONS
-env
-
-export MARANSIEMONS=lief
-env
-
-export TEST=/Users/maran/Desktop/minishell
-
-export kip=ei=koe===melk
-env
-
-export TEST1=test1 TEST2=test2
-env
-unset TEST1
-unset TEST2
-env
-
-export TEST1=test1 TEST2=test2
-unset TEST1 TEST2
-env
-
-export TEST1=test1
-export TEST2=test2
-unset TEST1 TEST2
-env
-
-export ""
-env
-
-unset ""
-env
diff --git a/tests/defaults/else.sh b/tests/defaults/else.sh
index 56ec649..f3d70bd 100644
--- a/tests/defaults/else.sh
+++ b/tests/defaults/else.sh
@@ -65,3 +65,92 @@ $'
 hallo\hoi
 \hallo
 \hallo
+
+/bin/ls
+touch a
+a
+
+/bin/ls -a
+touch a
+a
+
+/bin/ls | /usr/bin/grep a
+touch aa ab ac
+
+/bin/ls | /usr/bin/grep a | /usr/bin/grep c
+touch aa ab ac
+
+ls
+touch a
+a
+
+ls -a
+touch a
+a
+
+ls | grep a
+touch aa ab ac
+
+ls | grep a | grep c
+touch aa ab ac
+
+echo hello world | cat
+
+no_such_file
+
+./no_such_file
+
+/bin/ls/no_such_file
+
+/bin/no_such_dir/file
+
+perm
+touch perm
+chmod 000 perm
+
+./perm
+touch perm
+chmod 000 perm
+
+perm
+touch perm
+chmod 100 perm
+
+./perm
+touch perm
+chmod 100 perm
+
+perm
+touch perm
+chmod 300 perm
+
+./perm
+touch perm
+chmod 300 perm
+
+perm
+touch perm
+chmod 500 perm
+
+./perm
+touch perm
+chmod 500 perm
+
+./empty
+touch empty
+chmod +x empty
+
+dir
+mkdir dir
+
+./dir
+mkdir dir
+
+./exe
+printf "#!/bin/bash\necho 42" > exe
+chmod +x exe
+ln -s exe sym
+chmod -h -x sym
+
+echo a | $NO_ENV | cat
+unset NO_ENV
diff --git a/tests/defaults/expansions.sh b/tests/defaults/expansions.sh
index 60bcbda..e2111b7 100644
--- a/tests/defaults/expansions.sh
+++ b/tests/defaults/expansions.sh
@@ -12,502 +12,312 @@ echo '1"$not_a_variable"2'
 export VARIABLE1="variable1"
 echo '1"$VARIABLE1"2'
 
-echo '\'
+echo $
 
-echo '\\'
+echo $+
 
-echo "\n \n \n"
+mkdir directory1
+export POEP=directory1
+cd $POEP $MEERPOEP ..
+pwd
 
-echo hi";" hihi
+mkdir directory1
+mkdir directory1/directory2
+export POEP=directory1
+export MEERPOEP=directory2
+cd $POEP $MEERPOEP ..
+pwd
 
-echo hi "   ;   " hihi
+export vat=at
+c$var Makefile
 
-echo "\s"
+$blablabla
 
-echo "ls -la <a | grep x > b"
+$LESS$VAR
 
-echo ok "" ok
+echo "$HOME"
 
-echo ok "" "" "" "" "" "" "" "" "" ok
+echo '$HOME'
 
-echo "exit"
+echo "hallo$"
 
-echo "exit\n"
+hallo$
 
-cat < ../
+export ECHO="echo"
+$ECHO "hello"
 
-echo ";;;;;"
+export A=p
+export B=w
+$A"$B"d
+"$A"'$B'd
 
-echo “./hello”.
+export A="s -la"
+l$A
 
-echo ./hello
+export OK="ok                   ok"
+echo $OK
 
-echo ello
+$
 
-echo ' \n this is the; "first line"'
+echo $POEP hallo
 
-echo "and right here;;; 'We have the second'"
+echo $/
 
-echo and" a fe"'w 'here'; with some slash and quotes   .'   '\'
+echo $
 
-echo '\\'
+echo $PWD
 
-echo "\poep"
+export LS="ls -la"
+$LS
 
-echo"
+echo $PWD
 
-"
+echo $HOME
 
-export a="\\"
+echo "$PWD"
 
-export b='\\'
+echo '$PWD'
 
-export c="\b"
+echo "$HOME"
 
-echo > ilovewords.txt count me
-wc ilovewords.txt
+cd $IETSONBESTAANDS
 
-awk '{ print }' /etc/passwd
+cd $GEK ..
 
-echo 'how are you'
+cd $NOTHING $MORENOTHING ..
 
-"echo" hallo daar
-echo "hallo daar"
+echo '$PWD'
 
-"ls"
+echo $USER""
 
-hallo ma\ran siemons						Hij ziet de \ niet als escape, print gewoon \
+echo $USER_
 
-echo 'ma\'
+echo 123$USER----
 
-echo "\poep"
+echo 123$USER----$
 
-echo hallo""
+echo abc$USERdef
 
-123"456
+echo abc$USER123
 
-123"456""
+echo abc$POEPdef
 
-echo "\poep"
+echo $USER "$USER" '$USER'
 
-echo 'poep''poep2'"maran"'ellende'END
+export TEST_$USER=hallo$LOGNAME
 
-echo poeppoep2maranellendeEND
+echo $POEP
 
-echo 'poep2'"maran"'ellende'
+echo $POEP $MEERPOEP
 
-echo poep2maranellende
+echo hallo $POEP
 
-echo hallo
+echo $POEP hallo
 
-echo echt bash
+IETSONBESTAANDS=".."
+cd $IETSONBESTAANDS
+cd $IETSONBESTAANDS
 
-echo halloUSER
+cd $IETSONBESTAANDS
+cd $IETSONBESTAANDS
+pwd
 
-echo halloPOEP
+echo 'hallo$USER'							
 
-echo halloUSER
+echo hallo$USER
 
-echo "\hallo"
+echo 'hallo\$USER'
 
-echo "123\!456"
+echo '\$?'
 
-echo "1234"
+echo '$USER'
 
-echo "12\34"
+echo '\$USER'
 
-echo "1\a234"
+echo '"\$USER"'
 
-echo "\1234"
+echo "hoi$USERmaran"
 
-echo '1234\\'
+echo "$USER"
 
-echo '1234'
+export TWO=" two "
+echo "one "$TWO" three"
+echo "one"$TWO" three"
+echo "one"$TWO"three"
+echo "one" $TWO "three"
 
-echo '12\34'
+export TWO="two"
+echo "one"$TWO"three"
+echo "one "$TWO"three"
+echo "one "$TWO" three"
 
-echo '1234\'
+echo "one"$TWO"three"
 
-echo '1\a234'
+echo "one "$TWO"three"
 
-echo '\1234'
+echo "one "$TWO" three"
 
-echo '1234\\'
+echo "one" $TWO "three"
 
-echo '1234\\'
+echo "hallo$"
 
-echo "\!"
+echo hallo$
 
-echo "\#"
+echo '$USER'$USER
 
-echo "\%"
+echo $USERmaran
 
-echo "\&"
+echo hallo"1234"maran"$USER"'/$USER'"/$USER"'poep''poep2'"maran"'ellende'END
 
-echo "\'"
+echo hallo1234maranmaran/$USER/maranpoeppoep2maranellendeEND
 
-echo "\("
+echo "$USER"'/$USER'
 
-echo "\)"
+echo maran/$USER
 
-echo "\*"
+echo 123"hallo$"456
 
-echo "\+"
+echo $_1234
 
-echo "\,"
+echo $USERhallo
 
-echo "\-"
+echo $hallo"poep"
 
-echo "\."
+echo $a5aap
 
-echo "\/"
+echo $_poep
 
-echo "\0"
+echo hallo$abc
 
-echo "\1"
+echo $halllo###
 
-echo "\2"
+echo $USER9582309582529
 
-echo "\3"
+echo $
 
-echo "\4"
+echo $USER
 
-echo "\5"
+echo '$USER'
 
-echo "\6"
+echo "$USER"
 
-echo "\7"
+echo 123$USER----
 
-echo "\8"
+echo 123$USER----$
 
-echo "\9"
+echo abc$USERdef
 
-echo "\:"
+echo abc$USER123
 
-echo "\<"
+echo abc$POEPdef
 
-echo "\="
+echo $%%%%jlkjtwejt
 
-echo "\>"
+echo %%$
 
-echo "\?"
+echo "$_poep"
 
-echo "\@"
+echo "$a5aap"
 
-echo "\A"
+echo "$halllo###"
 
-echo "\B"
+echo "$USER9582309582529"
 
-echo "\C"
+echo "$"						
 
-echo "\D"
+echo hallo"$"abc				
 
-echo "\E"
+echo hallo"$POEP"abc
 
-echo "\F"
+echo hallo"$USER"abc
 
-echo "\G"
+echo "$USER"
 
-echo "\H"
+echo "$USER'"	
 
-echo "\I"
+echo "$USER_"
 
-echo "\J"
+echo "abc$USERdef"
 
-echo "\K"
+echo "abc$USER123"
 
-echo "\L"
+echo "abc$POEPdef"
 
-echo "\M"
+echo "$%%%%jlkjtwejt"
 
-echo "\N"
+echo "%%$"
 
-echo "\O"
+echo $hallo
 
-echo "\P"
+echo $hallo"poep"	
 
-echo "\Q"
+echo "hallo$USER"
 
-echo "\R"
+echo "hallo$USER"
 
-echo "\S"
+echo hallo$abc
 
-echo "\T"
+echo hallo$abc
 
-echo "\U"
+echo “$rewtwet”
 
-echo "\V"
+echo '\$'
 
-echo "\W"
 
-echo "\X"
+export HELLO=hello; echo $HELLO
 
-echo "\Y"
+export HELLO=hello; echo $hello
 
-echo "\Z"
+echo $
 
-echo "\["
+echo "$"
 
-echo "\]"
+echo  '$'
 
-echo "\^"
+echo \$
 
-echo "\_"
+echo "\$"
 
-echo "\a"
+export HELLO=hello
+echo \$HELLO
 
-echo "\b"
+export HELLO=hello
+echo \\$HELLO
 
-echo "\c"
+export HELLO=hello
+echo "$HELLO"
 
-echo "\d"
+export HELLO=hello
+echo "\$HELLO"
 
-echo "\e"
+export HELLO=hello
+echo "\\$HELLO"
 
-echo "\f"
+export HELLO=hello
+echo \\"$HELLO"
 
-echo "\g"
+export HELLO=hello
+echo "\"\"$HELLO"
 
-echo "\h"
+export TEST=ech
+"$TEST"o hello
 
-echo "\i"
+export TEST="echo hello"
+$TEST
 
-echo "\j"
+export TEST='echo hello'
+$TEST
 
-echo "\k"
+export TEST="\$\"echo hello\""
+$TEST
 
-echo "\l"
+export TEST="echo hello"
+export TEST2="\$TEST"
+$TEST2
 
-echo "\m"
+export abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890=hello
+echo $abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890
 
-echo "\n"
-
-echo "\o"
-
-echo "\p"
-
-echo "\q"
-
-echo "\r"
-
-echo "\s"
-
-echo "\t"
-
-echo "\u"
-
-echo "\v"
-
-echo "\w"
-
-echo "\x"
-
-echo "\y"
-
-echo "\z"
-
-echo "\{"
-
-echo "\|"
-
-echo "\}"
-
-echo "\~"
-
-echo '\!'
-
-echo '\"'
-
-echo '\#'
-
-echo '\%'
-
-echo '\&'
-
-#echo '\''
-
-echo '\('
-
-echo '\)'
-
-echo '\*'
-
-echo '\+'
-
-echo '\,'
-
-echo '\-'
-
-echo '\.'
-
-echo '\/'
-
-echo '\0'
-
-echo '\1'
-
-echo '\2'
-
-echo '\3'
-
-echo '\4'
-
-echo '\5'
-
-echo '\6'
-
-echo '\7'
-
-echo '\8'
-
-echo '\9'
-
-echo '\:'
-
-echo '\<'
-
-echo '\='
-
-echo '\>'
-
-echo '\?'
-
-echo '\@'
-
-echo '\A'
-
-echo '\B'
-
-echo '\C'
-
-echo '\D'
-
-echo '\E'
-
-echo '\F'
-
-echo '\G'
-
-echo '\H'
-
-echo '\I'
-
-echo '\J'
-
-echo '\K'
-
-echo '\L'
-
-echo '\M'
-
-echo '\N'
-
-echo '\O'
-
-echo '\P'
-
-echo '\Q'
-
-echo '\R'
-
-echo '\S'
-
-echo '\T'
-
-echo '\U'
-
-echo '\V'
-
-echo '\W'
-
-echo '\X'
-
-echo '\Y'
-
-echo '\Z'
-
-echo '\['
-
-echo '\\'
-
-echo '\]'
-
-echo '\^'
-
-echo '\_'
-
-echo '\a'
-
-echo '\b'
-
-echo '\c'
-
-echo '\d'
-
-echo '\e'
-
-echo '\f'
-
-echo '\g'
-
-echo '\h'
-
-echo '\i'
-
-echo '\j'
-
-echo '\k'
-
-echo '\l'
-
-echo '\m'
-
-echo '\n'
-
-echo '\o'
-
-echo '\p'
-
-echo '\q'
-
-echo '\r'
-
-echo '\s'
-
-echo '\t'
-
-echo '\u'
-
-echo '\v'
-
-echo '\w'
-
-echo '\x'
-
-echo '\y'
-
-echo '\z'
-
-echo '\{'
-
-echo '\|'
-
-echo '\}'
-
-echo '\~'
-
-echo '\;'
-
-echo "\;"
-
-echo '\>'
-
-echo "\>"
-
-echo '\<'
-
-echo "\<"
-
-echo '\|'
-
-echo "\|"
+export TEST="export TEST=echo"
+$TEST hello
+$TEST hello
diff --git a/tests/defaults/expansions_var.sh b/tests/defaults/expansions_var.sh
deleted file mode 100644
index 0c92df1..0000000
--- a/tests/defaults/expansions_var.sh
+++ /dev/null
@@ -1,255 +0,0 @@
-# ERROR :
-
-# OK :
-
-echo $
-
-echo $+
-
-mkdir directory1
-export POEP=directory1
-cd $POEP $MEERPOEP ..
-pwd
-
-mkdir directory1
-mkdir directory1/directory2
-export POEP=directory1
-export MEERPOEP=directory2
-cd $POEP $MEERPOEP ..
-pwd
-
-export vat=at
-c$var Makefile
-
-$blablabla
-
-$LESS$VAR
-
-echo "$HOME"
-
-echo '$HOME'
-
-echo "hallo$"
-
-hallo$
-
-export ECHO="echo"
-$ECHO "hello"
-
-export A=p
-export B=w
-$A"$B"d
-"$A"'$B'd
-
-export A="s -la"
-l$A
-
-export OK="ok                   ok"
-echo $OK
-
-$
-
-echo $POEP hallo
-
-echo $/
-
-echo $
-
-echo $PWD
-
-export LS="ls -la"
-$LS
-
-echo $PWD
-
-echo $HOME
-
-echo "$PWD"
-
-echo '$PWD'
-
-echo "$HOME"
-
-cd $IETSONBESTAANDS
-
-cd $GEK ..
-
-cd $NOTHING $MORENOTHING ..
-
-echo '$PWD'
-
-echo $USER""
-
-echo $USER_
-
-echo 123$USER----
-
-echo 123$USER----$
-
-echo abc$USERdef
-
-echo abc$USER123
-
-echo abc$POEPdef
-
-echo $USER "$USER" '$USER'
-
-export TEST_$USER=hallo$LOGNAME
-
-echo $POEP
-
-echo $POEP $MEERPOEP
-
-echo hallo $POEP
-
-echo $POEP hallo
-
-IETSONBESTAANDS=".."
-cd $IETSONBESTAANDS
-cd $IETSONBESTAANDS
-
-cd $IETSONBESTAANDS
-cd $IETSONBESTAANDS
-pwd
-
-echo 'hallo$USER'							
-
-echo hallo$USER
-
-echo 'hallo\$USER'
-
-echo '\$?'
-
-echo '$USER'
-
-echo '\$USER'
-
-echo '"\$USER"'
-
-echo "hoi$USERmaran"
-
-echo "$USER"
-
-export TWO=" two "
-echo "one "$TWO" three"
-echo "one"$TWO" three"
-echo "one"$TWO"three"
-echo "one" $TWO "three"
-
-export TWO="two"
-echo "one"$TWO"three"
-echo "one "$TWO"three"
-echo "one "$TWO" three"
-
-echo "one"$TWO"three"
-
-echo "one "$TWO"three"
-
-echo "one "$TWO" three"
-
-echo "one" $TWO "three"
-
-echo "hallo$"
-
-echo hallo$
-
-echo '$USER'$USER
-
-echo $USERmaran
-
-echo hallo"1234"maran"$USER"'/$USER'"/$USER"'poep''poep2'"maran"'ellende'END
-
-echo hallo1234maranmaran/$USER/maranpoeppoep2maranellendeEND
-
-echo "$USER"'/$USER'
-
-echo maran/$USER
-
-echo 123"hallo$"456
-
-echo $_1234
-
-echo $USERhallo
-
-echo $hallo"poep"
-
-echo $a5aap
-
-echo $_poep
-
-echo hallo$abc
-
-echo $halllo###
-
-echo $USER9582309582529
-
-echo $
-
-echo $USER
-
-echo '$USER'
-
-echo "$USER"
-
-echo 123$USER----
-
-echo 123$USER----$
-
-echo abc$USERdef
-
-echo abc$USER123
-
-echo abc$POEPdef
-
-echo $%%%%jlkjtwejt
-
-echo %%$
-
-echo "$_poep"
-
-echo "$a5aap"
-
-echo "$halllo###"
-
-echo "$USER9582309582529"
-
-echo "$"						
-
-echo hallo"$"abc				
-
-echo hallo"$POEP"abc
-
-echo hallo"$USER"abc
-
-echo "$USER"
-
-echo "$USER'"	
-
-echo "$USER_"
-
-echo "abc$USERdef"
-
-echo "abc$USER123"
-
-echo "abc$POEPdef"
-
-echo "$%%%%jlkjtwejt"
-
-echo "%%$"
-
-echo $hallo
-
-echo $hallo"poep"	
-
-echo "hallo$USER"
-
-echo "hallo$USER"
-
-echo hallo$abc
-
-echo hallo$abc
-
-echo “$rewtwet”
-
-echo '\$'
-
diff --git a/tests/defaults/quotes.sh b/tests/defaults/quotes.sh
new file mode 100644
index 0000000..12df18a
--- /dev/null
+++ b/tests/defaults/quotes.sh
@@ -0,0 +1,499 @@
+echo '\'
+
+echo '\\'
+
+echo "\n \n \n"
+
+echo hi";" hihi
+
+echo hi "   ;   " hihi
+
+echo "\s"
+
+echo "ls -la <a | grep x > b"
+
+echo ok "" ok
+
+echo ok "" "" "" "" "" "" "" "" "" ok
+
+echo "exit"
+
+echo "exit\n"
+
+cat < ../
+
+echo ";;;;;"
+
+echo “./hello”.
+
+echo ./hello
+
+echo ello
+
+echo ' \n this is the; "first line"'
+
+echo "and right here;;; 'We have the second'"
+
+echo and" a fe"'w 'here'; with some slash and quotes   .'   '\'
+
+echo '\\'
+
+echo "\poep"
+
+echo"
+
+"
+
+export a="\\"
+
+export b='\\'
+
+export c="\b"
+
+echo > ilovewords.txt count me
+wc ilovewords.txt
+
+awk '{ print }' /etc/passwd
+
+echo 'how are you'
+
+"echo" hallo daar
+echo "hallo daar"
+
+"ls"
+
+hallo ma\ran siemons						Hij ziet de \ niet als escape, print gewoon \
+
+echo 'ma\'
+
+echo "\poep"
+
+echo hallo""
+
+123"456
+
+123"456""
+
+echo "\poep"
+
+echo 'poep''poep2'"maran"'ellende'END
+
+echo poeppoep2maranellendeEND
+
+echo 'poep2'"maran"'ellende'
+
+echo poep2maranellende
+
+echo hallo
+
+echo echt bash
+
+echo halloUSER
+
+echo halloPOEP
+
+echo halloUSER
+
+echo "\hallo"
+
+echo "123\!456"
+
+echo "1234"
+
+echo "12\34"
+
+echo "1\a234"
+
+echo "\1234"
+
+echo '1234\\'
+
+echo '1234'
+
+echo '12\34'
+
+echo '1234\'
+
+echo '1\a234'
+
+echo '\1234'
+
+echo '1234\\'
+
+echo '1234\\'
+
+echo "\!"
+
+echo "\#"
+
+echo "\%"
+
+echo "\&"
+
+echo "\'"
+
+echo "\("
+
+echo "\)"
+
+echo "\*"
+
+echo "\+"
+
+echo "\,"
+
+echo "\-"
+
+echo "\."
+
+echo "\/"
+
+echo "\0"
+
+echo "\1"
+
+echo "\2"
+
+echo "\3"
+
+echo "\4"
+
+echo "\5"
+
+echo "\6"
+
+echo "\7"
+
+echo "\8"
+
+echo "\9"
+
+echo "\:"
+
+echo "\<"
+
+echo "\="
+
+echo "\>"
+
+echo "\?"
+
+echo "\@"
+
+echo "\A"
+
+echo "\B"
+
+echo "\C"
+
+echo "\D"
+
+echo "\E"
+
+echo "\F"
+
+echo "\G"
+
+echo "\H"
+
+echo "\I"
+
+echo "\J"
+
+echo "\K"
+
+echo "\L"
+
+echo "\M"
+
+echo "\N"
+
+echo "\O"
+
+echo "\P"
+
+echo "\Q"
+
+echo "\R"
+
+echo "\S"
+
+echo "\T"
+
+echo "\U"
+
+echo "\V"
+
+echo "\W"
+
+echo "\X"
+
+echo "\Y"
+
+echo "\Z"
+
+echo "\["
+
+echo "\]"
+
+echo "\^"
+
+echo "\_"
+
+echo "\a"
+
+echo "\b"
+
+echo "\c"
+
+echo "\d"
+
+echo "\e"
+
+echo "\f"
+
+echo "\g"
+
+echo "\h"
+
+echo "\i"
+
+echo "\j"
+
+echo "\k"
+
+echo "\l"
+
+echo "\m"
+
+echo "\n"
+
+echo "\o"
+
+echo "\p"
+
+echo "\q"
+
+echo "\r"
+
+echo "\s"
+
+echo "\t"
+
+echo "\u"
+
+echo "\v"
+
+echo "\w"
+
+echo "\x"
+
+echo "\y"
+
+echo "\z"
+
+echo "\{"
+
+echo "\|"
+
+echo "\}"
+
+echo "\~"
+
+echo '\!'
+
+echo '\"'
+
+echo '\#'
+
+echo '\%'
+
+echo '\&'
+
+#echo '\''
+
+echo '\('
+
+echo '\)'
+
+echo '\*'
+
+echo '\+'
+
+echo '\,'
+
+echo '\-'
+
+echo '\.'
+
+echo '\/'
+
+echo '\0'
+
+echo '\1'
+
+echo '\2'
+
+echo '\3'
+
+echo '\4'
+
+echo '\5'
+
+echo '\6'
+
+echo '\7'
+
+echo '\8'
+
+echo '\9'
+
+echo '\:'
+
+echo '\<'
+
+echo '\='
+
+echo '\>'
+
+echo '\?'
+
+echo '\@'
+
+echo '\A'
+
+echo '\B'
+
+echo '\C'
+
+echo '\D'
+
+echo '\E'
+
+echo '\F'
+
+echo '\G'
+
+echo '\H'
+
+echo '\I'
+
+echo '\J'
+
+echo '\K'
+
+echo '\L'
+
+echo '\M'
+
+echo '\N'
+
+echo '\O'
+
+echo '\P'
+
+echo '\Q'
+
+echo '\R'
+
+echo '\S'
+
+echo '\T'
+
+echo '\U'
+
+echo '\V'
+
+echo '\W'
+
+echo '\X'
+
+echo '\Y'
+
+echo '\Z'
+
+echo '\['
+
+echo '\\'
+
+echo '\]'
+
+echo '\^'
+
+echo '\_'
+
+echo '\a'
+
+echo '\b'
+
+echo '\c'
+
+echo '\d'
+
+echo '\e'
+
+echo '\f'
+
+echo '\g'
+
+echo '\h'
+
+echo '\i'
+
+echo '\j'
+
+echo '\k'
+
+echo '\l'
+
+echo '\m'
+
+echo '\n'
+
+echo '\o'
+
+echo '\p'
+
+echo '\q'
+
+echo '\r'
+
+echo '\s'
+
+echo '\t'
+
+echo '\u'
+
+echo '\v'
+
+echo '\w'
+
+echo '\x'
+
+echo '\y'
+
+echo '\z'
+
+echo '\{'
+
+echo '\|'
+
+echo '\}'
+
+echo '\~'
+
+echo '\;'
+
+echo "\;"
+
+echo '\>'
+
+echo "\>"
+
+echo '\<'
+
+echo "\<"
+
+echo '\|'
+
+echo "\|"
diff --git a/tests/defaults/redirections.sh b/tests/defaults/redirections.sh
index 9b8efbb..8d4d4f0 100644
--- a/tests/defaults/redirections.sh
+++ b/tests/defaults/redirections.sh
@@ -163,3 +163,69 @@ cat file1 file2
 echo DOET HET NIET > test1
 
 echo hallo >x1 >x2 >x3
+
+> file
+
+> file | cat < no_such_file
+
+echo hello > out1.txt > out2.txt > out3.txt 2> err1.txt 2> err2.txt 2> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+echo hello >> out1.txt >> out2.txt >> out3.txt 2>> err1.txt 2>> err2.txt 2>> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+ls > out1.txt > out2.txt > out3.txt 2> err1.txt 2> err2.txt 2> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+ls >> out1.txt >> out2.txt >> out3.txt 2>> err1.txt 2>> err2.txt 2>> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+ls no_such_file > out1.txt > out2.txt > out3.txt 2> err1.txt 2> err2.txt 2> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+ls no_such_file >> out1.txt >> out2.txt >> out3.txt 2>> err1.txt 2>> err2.txt 2>> err3.txt; cat out1.txt out2.txt out3.txt err1.txt err2.txt err3.txt
+
+echo a > out
+echo b >> out
+echo c >> out
+echo d >> out
+cat out
+
+echo a > out
+echo b >> out
+echo c >> out
+echo d > out
+cat out
+
+echo hello 2147483647> file
+
+echo hello 2147483648> file
+
+echo a > $NO_ENV | echo b
+unset NO_ENV
+
+./a.out 3> file3 2> file2 1> file1
+cat file3 file2 file1
+printf '#include<unistd.h>\nint main(){write(1, "fd1\\n", 4);write(2, "fd2\\n", 4);write(3, "fd3\\n", 4);}' > a.c && gcc a.c
+
+./a.out 1> file1 2> file2 3> file3
+cat file1 file2 file3
+printf '#include<unistd.h>\nint main(){write(1, "fd1\\n", 4);write(2, "fd2\\n", 4);write(3, "fd3\\n", 4);}' > a.c && gcc a.c
+
+echo a 1> 1.txt 2> 2.txt 3> 3.txt
+./a.out 1>> 1.txt 2>> 2.txt 3>> 3.txt
+cat 1.txt 2.txt 3.txt
+printf '#include<unistd.h>\nint main(){write(1, "fd1\\n", 4);write(2, "fd2\\n", 4);write(3, "fd3\\n", 4);}' > a.c && gcc a.c
+
+echo a 3> 3.txt 2> 2.txt 1> 1.txt 2> 2.txt 3> 3.txt
+echo b 1>> 1.txt 2>> 2.txt 3>> 3.txt 2>> 2.txt 1>> 1.txt
+./a.out 1>> 1.txt 2>> 2.txt 3>> 3.txt 2>> 2.txt 1>> 1.txt
+cat 1.txt 2.txt 3.txt
+printf '#include<unistd.h>\nint main(){write(1, "fd1\\n", 4);write(2, "fd2\\n", 4);write(3, "fd3\\n", 4);}' > a.c && gcc a.c
+
+echo a > f
+echo b >> f
+cat f f f >> ff
+cat ff ff >> f
+cat f
+
+ls>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f>f
+cat f
+
+ls>a>b>c>d>e>f>g>h>i>j>k>l>m>n>o>p>q>r>s>t>u>v>w>x>y>z>A>B>C>D>E>F>G>H>I>J>K>L>M>N>O>P>Q>R>S>T>U>V>W>X>Y>Z>aa>ab>ac>ad>ae>af>ag>ah>ai>aj>ak>al>am>an>ao>ap>aq>ar>as>at>au>av>aw>ax>ay>az>aA>aB>aC>aD>aE>aF>aG>aH>aI>aJ>aK>aL>aM>aN>aO>aP>aQ>aR>aS>aT>aU>aV
+ls
diff --git a/tests/false_positive.sh b/tests/false_positive.sh
index 0ef5197..d6dd51b 100644
--- a/tests/false_positive.sh
+++ b/tests/false_positive.sh
@@ -54,6 +54,184 @@ export PATH="test:working:multiplepath:directory1:directory2"
 env
 
 
+#----------------------------------------------
+# CD builtins
+
+export CDPATH="/"
+cd bin
+pwd
+
+export CDPATH="/"
+cd
+pwd
+
+export CDPATH="/"
+export HOME=
+cd
+pwd
+
+export CDPATH="/"
+unset HOME
+cd
+pwd
+
+export CDPATH=""
+mkdir -p a/b
+cd b
+pwd
+
+export CDPATH="./"
+mkdir dir
+cd dir
+pwd
+
+export CDPATH="../a"
+mkdir -p a/b/c
+cd b
+pwd
+cd a
+pwd
+cd b
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+cd b
+pwd
+
+export CDPATH=A
+mkdir -p a/b/c
+cd b
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+cd ./b
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+cd a
+cd ../b
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+cd .
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+cd a
+cd ..
+pwd
+
+export CDPATH=a
+mkdir -p a/b/c
+mkdir b
+cd b
+pwd
+
+export CDPATH=a/b
+mkdir -p a/b/c
+cd c
+pwd
+
+export CDPATH=a:b:a:b
+mkdir -p a/test  b/test
+mkdir -p a:b/test
+cd test
+pwd
+
+export CDPATH=b:a:a:b
+mkdir -p a/test  b/test
+mkdir -p a:b/test
+cd test
+pwd
+
+export CDPATH=a:b:a:b
+mkdir -p a/hello  b/hello
+mkdir -p a:b/test
+cd test
+pwd
+
+export CDPATH=a:b:a:b
+mkdir -p a/test  b/test
+mkdir -p a:b/test
+chmod 000 a/test
+cd test
+pwd
+cd ../../
+chmod 777 a/test
+
+export CDPATH="/"
+cd /
+pwd
+
+export CDPATH="/"
+cd /bin
+pwd
+
+export CDPATH="/bin"
+cd /bin
+pwd
+
+export CDPATH="/bin"
+cd /bin
+pwd
+
+export CDPATH="a"
+mkdir a
+cd a
+pwd
+
+export CDPATH="a"
+mkdir -p a/a
+cd a
+pwd
+
+export CDPATH=//
+cd bin
+
+export CDPATH=//bin/..////////////bin/../
+cd bin
+
+export CDPATH=///
+cd bin
+
+export CDPATH=":"
+cd dir
+pwd
+
+export CDPATH="hello:"
+cd dir
+pwd
+
+export CDPATH=":/"
+cd dir
+pwd
+
+export CDPATH="::/"
+cd bin
+pwd
+
+export CDPATH="::/:"
+cd bin
+pwd
+
+export CDPATH=""
+cd bin
+pwd
+
+export CDPATH="/:"
+cd bin
+pwd
+
+export CDPATH="//::"
+cd bin
+pwd
+
+
 #----------------------------------------------
 # special characters