diff --git a/libft_test/ft_bzero_test.c b/libft_test/ft_bzero_test.c
new file mode 100755
index 0000000..44f6214
--- /dev/null
+++ b/libft_test/ft_bzero_test.c
@@ -0,0 +1,104 @@
+#!/usr/bin/env bash
+
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
+tmp_out="$(mktemp)"
+
+if [ -f "${0%_test.c}.c" ]; then
+	SRC="${0%_test.c}.c"
+else
+	SRC="$($(type -P basename) -- "${0%_test.c}.c")"
+fi
+grep -A9999 -- "[S]TART_OF_C_FILE" "${0}" | cc -Wall -Wextra -Werror -o "${tmp_out}" -xc "${SRC}" -
+
+if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
+  printf "\e[101;37m%s\e[m\n" "Could not compile"
+  exit 1
+fi
+
+catch stout sterr "${tmp_out}"
+
+printf "%s\n" "Testing ${SRC}"
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
+rm -f -- "${tmp_out}"
+
+exit -- "${exit_status}"
+// START_OF_C_FILE
+#include <stdio.h>
+#include <unistd.h>
+
+static int test_counter = 0;
+static int expect_counter = 0;
+
+#define test(func, ...) \
+    do { \
+        int old_stderr_fd = dup(2); \
+        dup2(1, 2); \
+        fprintf(stdout, "Case %d:", test_counter++); \
+        fflush(stdout); \
+        func(__VA_ARGS__); \
+        fflush(stderr); \
+        fflush(stdout); \
+        dup2(old_stderr_fd, 2); \
+    } while(0)
+
+#define expect(func, ...) \
+    do { \
+        int old_stdout_fd = dup(1); \
+        dup2(2, 1); \
+        fprintf(stderr, "Case %d:", expect_counter++); \
+        fflush(stderr); \
+        func(__VA_ARGS__); \
+        fflush(stderr); \
+        fflush(stdout); \
+        dup2(old_stdout_fd, 1); \
+    } while(0)
+// END_TEMPLATE
+
+#include <stdlib.h>
+#include <string.h>
+
+void *ft_bzero(void *s, size_t n);
+
+int main(){
+  void	*mymem1;
+  void	*mymem2;
+  int		total_size;
+  int   size;
+
+  total_size = 5;
+  size = 4;
+  mymem1 = malloc(total_size);
+  mymem2 = malloc(total_size);
+  ft_bzero(mymem1, size);
+  bzero(mymem2, size);
+	test  (printf, "%s\n", (char *) mymem1);
+	expect(printf, "%s\n", (char *) mymem2);
+	test  (printf, "%s\n", (char *) mymem1+1);
+	expect(printf, "%s\n", (char *) mymem2+1);
+	test  (printf, "%s\n", (char *) mymem1+2);
+	expect(printf, "%s\n", (char *) mymem2+2);
+	test  (printf, "%s\n", (char *) mymem1+3);
+	expect(printf, "%s\n", (char *) mymem2+3);
+  free(mymem1);
+  free(mymem2);
+}
\ No newline at end of file
diff --git a/libft_test/ft_isalnum_test.c b/libft_test/ft_isalnum_test.c
index 68498e4..bdb4c56 100755
--- a/libft_test/ft_isalnum_test.c
+++ b/libft_test/ft_isalnum_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -120,4 +142,4 @@ int main(){
 	test  (printf, "%d\n", ft_isalnum(arg));
 	expect(printf, "%d\n",    isalnum(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/libft_test/ft_isalpha_test.c b/libft_test/ft_isalpha_test.c
index d794843..003b5a0 100755
--- a/libft_test/ft_isalpha_test.c
+++ b/libft_test/ft_isalpha_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -90,4 +112,4 @@ int main(){
 	test  (printf, "%d\n", ft_isalpha(arg));
 	expect(printf, "%d\n",    isalpha(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/libft_test/ft_isascii_test.c b/libft_test/ft_isascii_test.c
index ac56889..359b831 100755
--- a/libft_test/ft_isascii_test.c
+++ b/libft_test/ft_isascii_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -85,4 +107,4 @@ int main(){
 	test  (printf, "%d\n", ft_isascii(arg));
 	expect(printf, "%d\n",    isascii(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/libft_test/ft_isdigit_test.c b/libft_test/ft_isdigit_test.c
index 7776c45..de26690 100755
--- a/libft_test/ft_isdigit_test.c
+++ b/libft_test/ft_isdigit_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -105,4 +127,4 @@ int main(){
 	test  (printf, "%d\n", ft_isdigit(arg));
 	expect(printf, "%d\n",    isdigit(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/libft_test/ft_isprint_test.c b/libft_test/ft_isprint_test.c
index f51562b..72f89d4 100755
--- a/libft_test/ft_isprint_test.c
+++ b/libft_test/ft_isprint_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -94,4 +116,4 @@ int main(){
 	test  (printf, "%d\n", ft_isprint(arg));
 	expect(printf, "%d\n",    isprint(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/libft_test/ft_memset_test.c b/libft_test/ft_memset_test.c
new file mode 100755
index 0000000..12ca7da
--- /dev/null
+++ b/libft_test/ft_memset_test.c
@@ -0,0 +1,177 @@
+#!/usr/bin/env bash
+
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
+tmp_out="$(mktemp)"
+
+if [ -f "${0%_test.c}.c" ]; then
+	SRC="${0%_test.c}.c"
+else
+	SRC="$($(type -P basename) -- "${0%_test.c}.c")"
+fi
+grep -A9999 -- "[S]TART_OF_C_FILE" "${0}" | cc -Wall -Wextra -Werror -o "${tmp_out}" -xc "${SRC}" -
+
+if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
+  printf "\e[101;37m%s\e[m\n" "Could not compile"
+  exit 1
+fi
+
+catch stout sterr "${tmp_out}"
+
+printf "%s\n" "Testing ${SRC}"
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
+rm -f -- "${tmp_out}"
+
+exit -- "${exit_status}"
+// START_OF_C_FILE
+#include <stdio.h>
+#include <unistd.h>
+
+static int test_counter = 0;
+static int expect_counter = 0;
+
+#define test(func, ...) \
+    do { \
+        int old_stderr_fd = dup(2); \
+        dup2(1, 2); \
+        fprintf(stdout, "Case %d:", test_counter++); \
+        fflush(stdout); \
+        func(__VA_ARGS__); \
+        fflush(stderr); \
+        fflush(stdout); \
+        dup2(old_stderr_fd, 2); \
+    } while(0)
+
+#define expect(func, ...) \
+    do { \
+        int old_stdout_fd = dup(1); \
+        dup2(2, 1); \
+        fprintf(stderr, "Case %d:", expect_counter++); \
+        fflush(stderr); \
+        func(__VA_ARGS__); \
+        fflush(stderr); \
+        fflush(stdout); \
+        dup2(old_stdout_fd, 1); \
+    } while(0)
+// END_TEMPLATE
+
+#include <stdlib.h>
+#include <string.h>
+
+void *ft_memset(void *s, int c, size_t n);
+
+int main(){
+  void	*mymem;
+  int		total_size;
+  int   byte;
+  int   size;
+
+  total_size = 5;
+  byte = 97;
+  size = 0;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 97;
+  size = 1;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 97;
+  size = 2;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 97;
+  size = 3;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 97;
+  size = 4;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 0;
+  size = 4;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 1;
+  size = 4;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 127;
+  size = 4;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+
+  total_size = 5;
+  byte = 126;
+  size = 4;
+  mymem = calloc(1, total_size);
+	test  (printf, "%s\n", (char *) ft_memset(mymem, byte, size));
+  free(mymem);
+  mymem = calloc(1, total_size);
+	expect(printf, "%s\n", (char *) memset(mymem, byte, size));
+  free(mymem);
+}
\ No newline at end of file
diff --git a/libft_test/ft_strlen_test.c b/libft_test/ft_strlen_test.c
index 627bf46..f94c9ad 100755
--- a/libft_test/ft_strlen_test.c
+++ b/libft_test/ft_strlen_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -87,4 +109,4 @@ int main(){
 	test  (printf, "%lu\n", ft_strlen(arg));
 	expect(printf, "%lu\n",    strlen(arg));
 	return 0;
-}
+}
\ No newline at end of file
diff --git a/template_test.c b/template_test.c
index de9df80..078bb5f 100755
--- a/template_test.c
+++ b/template_test.c
@@ -1,5 +1,16 @@
 #!/usr/bin/env bash
 
+# SYNTAX:
+#   catch STDOUT_VARIABLE STDERR_VARIABLE COMMAND [ARG1[ ARG2[ ...[ ARGN]]]]
+# https://stackoverflow.com/a/59592881
+catch() {
+    {
+        IFS=$'\n' read -r -d '' "${1}";
+        IFS=$'\n' read -r -d '' "${2}";
+        (IFS=$'\n' read -r -d '' _ERRNO_; return ${_ERRNO_});
+    } < <((printf '\0%s\0%d\0' "$(((({ shift 2; "${@}"; echo "${?}" 1>&3-; } | tr -d '\0' 1>&4-) 4>&2- 2>&1- | tr -d '\0' 1>&4-) 3>&1- | exit "$(cat)") 4>&1-)" "${?}" 1>&2) 2>&1)
+}
+
 tmp_out="$(mktemp)"
 
 if [ -f "${0%_test.c}.c" ]; then
@@ -14,9 +25,20 @@ if [ ! "${?}" = "0" ] || [ ! -f "${tmp_out}" ]; then
   exit 1
 fi
 
+catch stout sterr "${tmp_out}"
+
 printf "%s\n" "Testing ${SRC}"
-printf "Expected --> Success\n"
-diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <("${tmp_out}" 2>&1 1>/dev/null) <("${tmp_out}" 2>/dev/null) && { printf "\e[102;30m%s\e[m\n" "All tests passed"; exit_status="0"; } || { printf "\e[101;37m%s\e[m\n" "At least one test failed"; exit_status="1"; }
+printf "Expected Output --> Test Output\n"
+diff_out="$(diff --expand-tabs --left-column --width="60" --side-by-side --label="Expected Output" --label="    Test Output" -- <(printf '%s\n' "${sterr}") <(printf '%s\n' "${stout}") && printf '%s\n' "0" || printf '%s\n' "1")"
+
+if [ "$(printf '%s' "${diff_out}" | tail -1)" = "0" ]; then
+  printf "\e[102;30m%s\e[m\n" "All tests passed"
+  exit_status="0"
+else
+  printf '%s' "${diff_out}" | head -n -1
+  printf "\e[101;37m%s\e[m\n" "At least one test failed"
+  exit_status="1"
+fi
 rm -f -- "${tmp_out}"
 
 exit -- "${exit_status}"
@@ -53,7 +75,7 @@ static int expect_counter = 0;
 // END_TEMPLATE
 
 int main(){
-	// test  ("Test output",     printf, "\n");
-	// expect("Expected output", printf, "\n");
+	// test  (printf, "\n");
+	// expect(printf, "\n");
 	return 0;
 }