diff --git a/src/main.c b/src/main.c
index 33562618..f1057971 100644
--- a/src/main.c
+++ b/src/main.c
@@ -39,7 +39,7 @@ int main(int argc, char **argv)
     {
         errx(1, "Error while creating lexer");
     }
-
+    
     int val = parser_loop(lexer, pretty_print_enabled);
     if (val == 2)
     {
diff --git a/tests/quote/double_quote/double_quote10.test b/tests/quote/double_quote/double_quote10.test
new file mode 100644
index 00000000..dbcc50e8
--- /dev/null
+++ b/tests/quote/double_quote/double_quote10.test
@@ -0,0 +1 @@
+a=1;echo "$a\"$a"
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote11.test b/tests/quote/double_quote/double_quote11.test
new file mode 100644
index 00000000..02ebdd8a
--- /dev/null
+++ b/tests/quote/double_quote/double_quote11.test
@@ -0,0 +1 @@
+echo "Special characters: !@#%$^&*()"
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote12.test b/tests/quote/double_quote/double_quote12.test
new file mode 100644
index 00000000..bb7178ea
--- /dev/null
+++ b/tests/quote/double_quote/double_quote12.test
@@ -0,0 +1 @@
+bb=1; echo "$ddd\""
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote5.test b/tests/quote/double_quote/double_quote5.test
new file mode 100644
index 00000000..addeff31
--- /dev/null
+++ b/tests/quote/double_quote/double_quote5.test
@@ -0,0 +1 @@
+a=1;echo "$a\""
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote6.test b/tests/quote/double_quote/double_quote6.test
new file mode 100644
index 00000000..f5c6502a
--- /dev/null
+++ b/tests/quote/double_quote/double_quote6.test
@@ -0,0 +1 @@
+a=1;echo "idiej$a:jodejoj" "$a" "dikefok"'
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote7.test b/tests/quote/double_quote/double_quote7.test
new file mode 100644
index 00000000..bbd38d37
--- /dev/null
+++ b/tests/quote/double_quote/double_quote7.test
@@ -0,0 +1 @@
+a=1;echo "lpikopo"pojo^é$
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote8.test b/tests/quote/double_quote/double_quote8.test
new file mode 100644
index 00000000..79747dfa
--- /dev/null
+++ b/tests/quote/double_quote/double_quote8.test
@@ -0,0 +1,4 @@
+a=1;echo "lpikopo\
+
+
+"
\ No newline at end of file
diff --git a/tests/quote/double_quote/double_quote9.test b/tests/quote/double_quote/double_quote9.test
new file mode 100644
index 00000000..9e4fda48
--- /dev/null
+++ b/tests/quote/double_quote/double_quote9.test
@@ -0,0 +1 @@
+a=1;echo "lpikopo\$$\$$\\$\$\*\\*\\\*\*\\***\ "
\ No newline at end of file
diff --git a/tests/quote/double_quote/testsuite.sh b/tests/quote/double_quote/testsuite.sh
index 31a008fb..b2a7e20a 100644
--- a/tests/quote/double_quote/testsuite.sh
+++ b/tests/quote/double_quote/testsuite.sh
@@ -1,4 +1,12 @@
 run_test double_quote1.test
 run_test double_quote2.test
 run_test double_quote3.test
-run_test double_quote4.test
\ No newline at end of file
+run_test double_quote4.test
+run_test double_quote5.test
+run_test double_quote6.test
+run_test double_quote7.test
+run_test double_quote8.test
+run_test double_quote9.test
+run_test double_quote10.test
+run_test double_quote11.test
+run_test double_quote12.test
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error1.test b/tests/quote/double_quote_error/double_quote_error1.test
new file mode 100644
index 00000000..58c5313d
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error1.test
@@ -0,0 +1 @@
+bb=1; echo "$bb
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error2.test b/tests/quote/double_quote_error/double_quote_error2.test
new file mode 100644
index 00000000..a17274b9
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error2.test
@@ -0,0 +1 @@
+bb=1; echo "$ddd\"
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error3.test b/tests/quote/double_quote_error/double_quote_error3.test
new file mode 100644
index 00000000..74034281
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error3.test
@@ -0,0 +1 @@
+tata=1; echo "${tata}
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error4.test b/tests/quote/double_quote_error/double_quote_error4.test
new file mode 100644
index 00000000..a2a9f7a5
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error4.test
@@ -0,0 +1 @@
+tata=1; echo "${tata}\"
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error5.test b/tests/quote/double_quote_error/double_quote_error5.test
new file mode 100644
index 00000000..6efb40a9
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error5.test
@@ -0,0 +1 @@
+tata=1; echo "${tata"
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error6.test b/tests/quote/double_quote_error/double_quote_error6.test
new file mode 100644
index 00000000..1d3311c7
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error6.test
@@ -0,0 +1 @@
+tata=1; echo "$
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error7.test b/tests/quote/double_quote_error/double_quote_error7.test
new file mode 100644
index 00000000..33dc7b55
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error7.test
@@ -0,0 +1 @@
+tata=1; echo "$lff
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/double_quote_error8.test b/tests/quote/double_quote_error/double_quote_error8.test
new file mode 100644
index 00000000..24abd685
--- /dev/null
+++ b/tests/quote/double_quote_error/double_quote_error8.test
@@ -0,0 +1 @@
+tata=1; echo \"${tata}"
\ No newline at end of file
diff --git a/tests/quote/double_quote_error/testsuite.sh b/tests/quote/double_quote_error/testsuite.sh
new file mode 100644
index 00000000..3e0ecf65
--- /dev/null
+++ b/tests/quote/double_quote_error/testsuite.sh
@@ -0,0 +1,8 @@
+run_test double_quote_error1.test
+run_test double_quote_error2.test
+run_test double_quote_error3.test
+run_test double_quote_error4.test
+run_test double_quote_error5.test
+run_test double_quote_error6.test
+run_test double_quote_error7.test
+run_test double_quote_error8.test
\ No newline at end of file
diff --git a/tests/quote/single_quote_error/testsuite.sh b/tests/quote/single_quote_error/testsuite.sh
index db5c2be1..e6726832 100644
--- a/tests/quote/single_quote_error/testsuite.sh
+++ b/tests/quote/single_quote_error/testsuite.sh
@@ -1,5 +1,5 @@
 run_test single_quote_error1.test
 run_test single_quote_error2.test
 run_test single_quote_error3.test
-run_test single_quote_errorMouli1.test
-run_test single_quote_errorMouli2.test
\ No newline at end of file
+run_test single_quoteMouli1.test
+run_test single_quoteMouli2.test
\ No newline at end of file
diff --git a/tests/redirections/redir_&input/complex1.test b/tests/redirections/redir_&input/complex1.test
new file mode 100644
index 00000000..7a7125d5
--- /dev/null
+++ b/tests/redirections/redir_&input/complex1.test
@@ -0,0 +1,5 @@
+echo 'hello' > input.txt
+ls > output.txt 2<&1 < input.txt
+cat output.txt
+cat input.txt
+rm input.txt output.txt
\ No newline at end of file
diff --git a/tests/redirections/redir_&input/testsuite.sh b/tests/redirections/redir_&input/testsuite.sh
index 0a7672ab..4370aa69 100644
--- a/tests/redirections/redir_&input/testsuite.sh
+++ b/tests/redirections/redir_&input/testsuite.sh
@@ -1 +1,2 @@
-run_test simple1.test
\ No newline at end of file
+run_test simple1.test
+run_test complex1.test
\ No newline at end of file
diff --git a/tests/redirections/redir_&output/error1.test b/tests/redirections/redir_&output/error1.test
new file mode 100644
index 00000000..ce85a5e4
--- /dev/null
+++ b/tests/redirections/redir_&output/error1.test
@@ -0,0 +1,3 @@
+t 2>& file;
+cat file
+rm file
\ No newline at end of file
diff --git a/tests/redirections/redir_&output/input.txt b/tests/redirections/redir_&output/input.txt
new file mode 100644
index 00000000..9adc6a3b
--- /dev/null
+++ b/tests/redirections/redir_&output/input.txt
@@ -0,0 +1,5 @@
+1                              
+3
+2
+7
+0
diff --git a/tests/redirections/redir_&output/simple2.test b/tests/redirections/redir_&output/simple2.test
index ce85a5e4..5bc16279 100644
--- a/tests/redirections/redir_&output/simple2.test
+++ b/tests/redirections/redir_&output/simple2.test
@@ -1,3 +1,3 @@
-t 2>& file;
-cat file
-rm file
\ No newline at end of file
+ls -l non_existent_directory >& output_and_error.txt
+if [ -s output_and_error.txt ]; then echo tata; fi
+rm -f output_and_error.txt
\ No newline at end of file
diff --git a/tests/redirections/redir_&output/simple4.test b/tests/redirections/redir_&output/simple4.test
new file mode 100644
index 00000000..45715188
--- /dev/null
+++ b/tests/redirections/redir_&output/simple4.test
@@ -0,0 +1,8 @@
+echo '1                              
+3
+2
+7
+0' > input.txt
+sort < input.txt >& sorted_output.txt
+cat sorted_output.txt
+rm input.txt sorted_output.txt
\ No newline at end of file
diff --git a/tests/redirections/redir_&output/testsuite.sh b/tests/redirections/redir_&output/testsuite.sh
index 673d84a4..d5b41e22 100644
--- a/tests/redirections/redir_&output/testsuite.sh
+++ b/tests/redirections/redir_&output/testsuite.sh
@@ -1,3 +1,4 @@
 run_test simple1.test
 run_test simple2.test
-run_test simple3.test
\ No newline at end of file
+run_test simple3.test
+run_test error1.test
\ No newline at end of file
diff --git a/tests/redirections/redir_input/file.txt b/tests/redirections/redir_input/file.txt
index e69de29b..5ab2f8a4 100644
--- a/tests/redirections/redir_input/file.txt
+++ b/tests/redirections/redir_input/file.txt
@@ -0,0 +1 @@
+Hello
\ No newline at end of file
diff --git a/tests/redirections/redir_input/simple1.test b/tests/redirections/redir_input/simple1.test
index d85f007f..f7e91bcc 100644
--- a/tests/redirections/redir_input/simple1.test
+++ b/tests/redirections/redir_input/simple1.test
@@ -1 +1,3 @@
-ls < file.txt
\ No newline at end of file
+echo 'hello' > file.txt
+ls < file.txt
+rm file.txt
diff --git a/tests/redirections/redir_output/double_redir.test b/tests/redirections/redir_output/double_redir.test
new file mode 100644
index 00000000..e30978a8
--- /dev/null
+++ b/tests/redirections/redir_output/double_redir.test
@@ -0,0 +1,4 @@
+ls -l non_existent_directory 1> success.txt 2> error.txt; echo tata
+cat success.txt
+if [ -s error.txt ]; then echo tata;fi
+rm success.txt error.txt
\ No newline at end of file
diff --git a/tests/redirections/redir_output/simple2.test b/tests/redirections/redir_output/simple2.test
index c59d8c28..898bf83d 100644
--- a/tests/redirections/redir_output/simple2.test
+++ b/tests/redirections/redir_output/simple2.test
@@ -1,3 +1,4 @@
 wrong_command 2>file
+if [ -s error.txt ]; then echo tata;fi
 # cat file --> working but not the same stderr message
 rm file
\ No newline at end of file
diff --git a/tests/redirections/redir_output/testsuite.sh b/tests/redirections/redir_output/testsuite.sh
index bf61e093..73a786ec 100644
--- a/tests/redirections/redir_output/testsuite.sh
+++ b/tests/redirections/redir_output/testsuite.sh
@@ -1,2 +1,3 @@
 run_test simple1.test
-run_test simple2.test
\ No newline at end of file
+run_test simple2.test
+run_test double_redir.test
\ No newline at end of file
diff --git a/tests/variable/variable/condition_variable2.test b/tests/variable/variable/condition_variable2.test
new file mode 100644
index 00000000..b549e93f
--- /dev/null
+++ b/tests/variable/variable/condition_variable2.test
@@ -0,0 +1 @@
+a=true; if $a; then echo atat;fi
\ No newline at end of file
diff --git a/tests/variable/variable/simple_variable4.tet b/tests/variable/variable/simple_variable4.test
similarity index 100%
rename from tests/variable/variable/simple_variable4.tet
rename to tests/variable/variable/simple_variable4.test
diff --git a/tests/variable/variable/testsuite.sh b/tests/variable/variable/testsuite.sh
index 2cfb2a1c..66574b2c 100644
--- a/tests/variable/variable/testsuite.sh
+++ b/tests/variable/variable/testsuite.sh
@@ -7,4 +7,5 @@ run_test simple_variable6.test
 run_test simple_variable7.test
 run_test simple_variable8.test
 run_test condition_variable1.test
+run_test condition_variable2.test
 run_test environment_variable.test
\ No newline at end of file
diff --git a/tests/variable/variable_error/condition_variable_error1.test b/tests/variable/variable_error/condition_variable_error1.test
new file mode 100644
index 00000000..0050be05
--- /dev/null
+++ b/tests/variable/variable_error/condition_variable_error1.test
@@ -0,0 +1 @@
+a=1; if $a; then echo atat;fi
\ No newline at end of file
diff --git a/tests/variable/variable_error/simple_error_variable3.test b/tests/variable/variable_error/simple_error_variable3.test
new file mode 100644
index 00000000..662ef107
--- /dev/null
+++ b/tests/variable/variable_error/simple_error_variable3.test
@@ -0,0 +1 @@
+$1 ${a} ${b} b=2; b=1; echo ${b}
\ No newline at end of file
diff --git a/tests/variable/variable_error/testsuite.sh b/tests/variable/variable_error/testsuite.sh
index 54ac8cf2..ac40b50a 100644
--- a/tests/variable/variable_error/testsuite.sh
+++ b/tests/variable/variable_error/testsuite.sh
@@ -1,3 +1,5 @@
 run_test while_variable_error1.test
 run_test simple_error_variable1.test
-run_test simple_error_variable2.test
\ No newline at end of file
+run_test simple_error_variable2.test
+run_test simple_error_variable3.test
+run_test conditional_variable_error1.test
\ No newline at end of file