Added checker files

Makefile.checker

@@ -0,0 +1,17 @@
+.PHONY: all clean run pack build-pre build-post
+
+all: build-pre run build-post
+
+build-pre:
+
+build-post:
+
+run:
+	@./run_all.sh
+
+pack:
+	zip -r run_test_lin.zip _test/ Makefile.checker \
+	run_all.sh README
+
+clean:
+	rm -f *~

_test/inputs/test1.in

@@ -0,0 +1 @@
+file passed through stdin

_test/inputs/test1.param

@@ -0,0 +1 @@
+bad.file

_test/inputs/test10.in

@@ -0,0 +1,10 @@
+#define ABC "10"
+#define BCD 20 + 4
+
+int main() {
+    printf("%s\n", ABC);
+    int x = BCD + 20;
+    printf("%x\n", x);
+
+    return 0;
+}

_test/inputs/test11.in

@@ -0,0 +1,10 @@
+#define ABC 10
+#define ABCD 2
+#define BCD ABC + 15
+
+int main() {
+    printf("%d\n", ABC);
+    int x = BCD + 20;
+
+    return 0;
+}

_test/inputs/test12.in

@@ -0,0 +1,11 @@
+#define VAR0 1 \
+        + 2\
+        + 3\
+        + 4
+
+int main() {
+    int y = VAR0 + 1;
+    printf("%d\n", VAR0);
+
+    return 0;
+}

_test/inputs/test13.in

@@ -0,0 +1,6 @@
+int main() {
+#if 1
+	printf("Yes!\n");
+#endif
+	return 0;
+}

_test/inputs/test14.in

@@ -0,0 +1,6 @@
+int main() {
+#if 0
+	printf("No!\n");
+#endif
+	return 0;
+}

_test/inputs/test15.in

@@ -0,0 +1,8 @@
+#define TEST 1
+
+int main() {
+#if TEST
+	printf("Yes!\n");
+#endif
+	return 0;
+}

_test/inputs/test16.in

@@ -0,0 +1,8 @@
+#define TEST 0
+
+int main() {
+#if TEST
+	printf("Yes!\n");
+#endif
+	return 0
+}

_test/inputs/test17.in

@@ -0,0 +1,8 @@
+int main() {
+#if 1
+	printf("True!\n");
+#else
+	printf("False!\n");
+#endif
+	return 0;
+}

_test/inputs/test18.in

@@ -0,0 +1,8 @@
+int main() {
+#if 0
+	printf("True!\n");
+#else
+	printf("False!\n");
+#endif
+	return 0;
+}

_test/inputs/test19.in

@@ -0,0 +1,10 @@
+#define TEST 1
+
+int main() {
+#if TEST
+	printf("True!\n");
+#else
+	printf("False!\n");
+#endif
+	return 0;
+}

_test/inputs/test2.param

@@ -0,0 +1 @@
+-X bad param

_test/inputs/test20.in

@@ -0,0 +1,9 @@
+int main() {
+#if TEST
+	printf("True!\n");
+#else
+	printf("False!\n");
+#endif
+	return 0;
+}
+

_test/inputs/test20.param

@@ -0,0 +1 @@
+-D TEST=0

_test/inputs/test21.in

@@ -0,0 +1,12 @@
+#define FALSE 0
+#define NOT 0
+#define TRUE 1
+
+int main() {
+#if FALSE
+	printf("False!\n");
+#elif NOT
+	printf("True!\n");
+#endif
+	return 0;
+}

_test/inputs/test22.in

@@ -0,0 +1,12 @@
+#define FALSE 0
+#define NOT 0
+#define TRUE 1
+
+int main() {
+#if FALSE
+	printf("False!\n");
+#elif TRUE
+	printf("True!\n");
+#endif
+	return 0;
+}

_test/inputs/test23.in

@@ -0,0 +1,14 @@
+#define FALSE 0
+#define NOT 0
+#define TRUE 1
+
+int main() {
+#if FALSE
+	printf("False!\n");
+#elif TRUE
+	printf("True!\n");
+#else
+	printf("Bad!\n");
+#endif
+	return 0;
+}

_test/inputs/test24.in

@@ -0,0 +1,14 @@
+#define FALSE 0
+#define NOT 0
+#define TRUE 1
+
+int main() {
+#if FALSE
+	printf("False!\n");
+#elif NOT
+	printf("True!\n");
+#else
+	printf("Good!\n");
+#endif
+	return 0;
+}

_test/inputs/test25.in

@@ -0,0 +1,23 @@
+#define VAR0 1
+#define TEST_IF 5
+
+int main() {
+#if 0
+    printf("No\n");
+#elif 0
+    printf("Maybe\n");
+#elif VAR0
+    printf("ABC\n");
+#else
+    printf("Yes\n");
+#endif
+
+#if TEST_IF
+    printf("#defines working in #ifs\n");
+#endif
+
+    int y = VAR0 + 1;
+    printf("%d\n", VAR0);
+
+    return 0;
+}

_test/inputs/test26.in

@@ -0,0 +1,7 @@
+int main()
+{
+#ifdef DEBUG
+	printf("DEBUG\n");
+#endif
+	return 0;
+}

_test/inputs/test27.in

@@ -0,0 +1,7 @@
+int main()
+{
+#ifdef DEBUG
+	printf("DEBUG\n");
+#endif
+	return 0;
+}

_test/inputs/test27.param

@@ -0,0 +1 @@
+-DDEBUG

_test/inputs/test28.in

@@ -0,0 +1,9 @@
+#ifndef VAR0
+#define VAR0 1
+#endif
+
+int main()
+{
+	printf("VAR0 = %d\n", VAR0);
+	return 0;
+}

_test/inputs/test29.in

@@ -0,0 +1,9 @@
+#ifdef VAR0
+#undef VAR0
+#endif
+
+int main()
+{
+	printf("VAR0 = %d\n", VAR0);
+	return 0;
+}

_test/inputs/test29.param

@@ -0,0 +1 @@
+-D VAR0

_test/inputs/test3.in

@@ -0,0 +1 @@
+input error file

_test/inputs/test3.param

@@ -0,0 +1 @@
+_test/inputs/test3.in test3.out test3.err

_test/inputs/test30.in

@@ -0,0 +1,6 @@
+#include "no-file.h"
+
+int main()
+{
+	return 0;
+}

_test/inputs/test30.param

@@ -0,0 +1 @@
+_test/inputs/test30.in

_test/inputs/test31.in

@@ -0,0 +1,5 @@
+int main()
+{
+	printf("%d\n", VAR0 + VAR1);
+	return 0;
+}

_test/inputs/test31.param

@@ -0,0 +1 @@
+-D VAR0=0 -D VAR1=1

_test/inputs/test32.h

@@ -0,0 +1 @@
+int var;

_test/inputs/test32.in

@@ -0,0 +1,7 @@
+#include "test32.h"
+
+int main()
+{
+	printf("var = %d\n", var);
+	return 0;
+}

_test/inputs/test33.dir/test33.h

@@ -0,0 +1 @@
+int var;

_test/inputs/test33.in

@@ -0,0 +1,7 @@
+#include "test33.dir/test33.h"
+
+int main()
+{
+	printf("var = %d\n", var);
+	return 0;
+}

_test/inputs/test34.dir/test34.h

@@ -0,0 +1 @@
+int var;

_test/inputs/test34.in

@@ -0,0 +1,8 @@
+#include "test34.h"
+
+int main()
+{
+	printf("var = %d\n", var);
+	return 0;
+}
+

_test/inputs/test34.param

@@ -0,0 +1 @@
+-I _test/inputs/test34.dir

_test/inputs/test35.dir/test35.h

@@ -0,0 +1 @@
+#define VAR 1

_test/inputs/test35.dir/test35.subdir/test35.h

@@ -0,0 +1 @@
+#define VAR 2

_test/inputs/test35.h

@@ -0,0 +1 @@
+#define VAR 0

_test/inputs/test35.in

@@ -0,0 +1,8 @@
+#include "test35.h"
+
+int main()
+{
+	printf("VAR = %d\n", VAR);
+	return 0;
+}
+

_test/inputs/test35.param

@@ -0,0 +1 @@
+-I _test/inputs/test35.dir -I _test/inputs/test35.dir/test35.subdir

_test/inputs/test36.dir/test36.h

@@ -0,0 +1 @@
+#define VAR 1

_test/inputs/test36.dir/test36.subdir/test36.h

@@ -0,0 +1 @@
+#define VAR 2

_test/inputs/test36.in

@@ -0,0 +1,8 @@
+#include "test36.h"
+
+int main()
+{
+	printf("VAR = %d\n", VAR);
+	return 0;
+}
+

_test/inputs/test36.param

@@ -0,0 +1,2 @@
+-I _test/inputs/test36.dir -I _test/inputs/test36.dir/test36.subdir
+

_test/inputs/test37.h

@@ -0,0 +1,6 @@
+#ifndef _TEST_33_H_
+#define _TEST_33_H_
+
+int var;
+
+#endif /* TEST_33_H_ */

_test/inputs/test37.in

@@ -0,0 +1,7 @@
+#include "test37.h"
+
+int main()
+{
+	printf("var = %d\n", var);
+	return 0;
+}

_test/inputs/test38.dir/debug.h

@@ -0,0 +1,14 @@
+#ifndef _DEBUG_H_
+#define _DEBUG_H_
+
+#ifndef DEBUG_STR
+#define DEBUG_STR "debuging"
+#endif
+
+#if DEBUG
+#define debug fprintf(stderr, DEBUG_STR "\n")
+#else
+#define debug
+#endif
+
+#endif /* _DEBUG_H_ */

_test/inputs/test38.h

@@ -0,0 +1,12 @@
+#ifndef _TEST38_H_
+#define _TEST38_H_
+
+#ifdef CUSTOM_DBG
+#define DEBUG_STR CUSTOM_DBG
+#else
+#define DEBUG_STR "my debugging"
+#endif
+
+#include "debug.h"
+
+#endif /* _TEST38_H_ */

_test/inputs/test38.in

@@ -0,0 +1,7 @@
+#include "test38.h"
+
+int main()
+{
+	debug;
+	return 0;
+}

_test/inputs/test38.param

@@ -0,0 +1 @@
+-D DEBUG=1 -D CUSTOM_DBG=custom-debugging -I _test/inputs/test38.dir

_test/inputs/test4.in

@@ -0,0 +1 @@
+file passed through standard input

_test/inputs/test5.in

@@ -0,0 +1 @@
+file passed through parameter

_test/inputs/test6.in

@@ -0,0 +1 @@
+file passed as output

_test/inputs/test7.in

@@ -0,0 +1,8 @@
+#define VAR0 1
+
+int main() {
+    int y = VAR0 + 1;
+    printf("%d\n", VAR0);
+
+    return 0;
+}

_test/inputs/test8.in

@@ -0,0 +1,6 @@
+int main() {
+    int y = VAR0 + 1;
+    printf("%d\n", VAR0);
+
+    return 0;
+}

_test/inputs/test8.param

@@ -0,0 +1 @@
+-D VAR0=1

_test/inputs/test9.in

@@ -0,0 +1,10 @@
+#define VAR0 1
+
+int main() {
+    int y = VAR0 + 1;
+    printf("%d\n", VAR0);
+#undef VAR0
+    printf("%d\n", VAR0);
+
+    return 0;
+}

_test/run_test.sh

@@ -0,0 +1,254 @@
+#!/bin/bash
+
+#
+# Tema1 Test Suite
+#
+# 2020, Operating Systems
+#
+
+# ----------------- General declarations and util functions ------------------ #
+INPUT_DIR=_test/inputs
+REF_DIR=_test/ref
+OUT_DIR=_test/outputs
+EXEC_NAME=./so-cpp
+
+max_points=95
+
+TEST_LIB=_test/test_lib.sh
+
+MEMCHECK=""
+CPP="cpp -P"
+[ $(uname -s) == "Linux" ]
+IS_LINUX=$?
+
+if [ $IS_LINUX -eq 0 ]; then
+	MEMCHECK="valgrind --leak-check=full \
+		--show-reachable=yes \
+		--vex-iropt-register-updates=allregs-at-mem-access \
+		--show-leak-kinds=all \
+		--error-exitcode=1 \
+		$MEMCHECK_EXTRA \
+		--log-file=_log "
+		else
+			MEMCHECK="drmemory -batch \
+				-exit_code_if_errors 1 \
+				-quiet \
+				$MEMCHECK_EXTRA \
+				-- "
+fi
+
+
+# load the lib functions
+if ! [ -e "$TEST_LIB" ]; then
+	echo "Test library not found. Check \$TEST_LIB ($TEST_LIB)"
+	exit 1
+fi
+source "$TEST_LIB"
+
+
+# ---------------------------------------------------------------------------- #
+
+# ----------------- Init and cleanup tests ----------------------------------- #
+
+init_test()
+{
+	if ! [ -e "$EXEC_NAME" ]; then
+		echo "$EXEC_NAME not found! Cannot run the test"
+		exit 1
+	fi
+
+	unset malloc_limit
+	unset calloc_limit
+	unset realloc_limit
+
+	input_f=$INPUT_DIR"/test"$test_index".in"
+	param_f=$INPUT_DIR"/test"$test_index".param"
+	ref_f=$OUT_DIR"/test"$test_index".ref"
+	out_f=$OUT_DIR"/test"$test_index".out"
+	params="$(test -f $param_f && cat $param_f || echo "")"
+}
+
+cleanup_test()
+{
+	rm -f $out_f
+}
+
+init_world()
+{
+	print_header "Testing - SO Preprocessor"
+	mkdir -p $OUT_DIR
+}
+
+cleanup_world()
+{
+	rm -rf $OUT_DIR &> /dev/null
+}
+
+# ---------------------------------------------------------------------------- #
+
+# ----------------- Test Suite ----------------------------------------------- #
+
+test_cpp()
+{
+	init_test
+	$CPP $params $input_f > $ref_f
+	$MEMCHECK $EXEC_NAME $params $input_f > $out_f
+	mem_res=$?
+	basic_test compare $out_f $ref_f
+	memory_test $mem_res
+	cleanup_test
+}
+
+test_cpp_stdin()
+{
+	init_test
+	$CPP $params < $input_f > $ref_f
+	$MEMCHECK $EXEC_NAME $params < $input_f > $out_f
+	mem_res=$?
+	basic_test compare $out_f $ref_f
+	memory_test $mem_res
+	cleanup_test
+}
+
+test_cpp_stdout()
+{
+	init_test
+	$CPP $params $input_f $ref_f
+	$MEMCHECK $EXEC_NAME $params $input_f $out_f
+	mem_res=$?
+	basic_test compare $out_f $ref_f
+	memory_test $mem_res
+	cleanup_test
+}
+
+test_bad_params()
+{
+	init_test
+	$EXEC_NAME $params 2> /dev/null
+	basic_test test $? -ne 0
+	cleanup_test
+}
+
+run_until_success()
+{
+	REF_CODE=12 # ENOMEM
+	NR_RUNS=1000 # How many times to run
+
+	for ((i = 0; i < $NR_RUNS; i++)); do
+		init_test
+		export "$1_limit"=$i
+		if [ $IS_LINUX -eq 0 ]; then
+			LD_PRELOAD="./libso.so" $EXEC_NAME $params $input_f > $out_f
+		else
+			"./run.exe" "$EXEC_NAME $params $input_f" > $out_f
+		fi
+
+		retcode=$?
+
+		# If there is no error then the output file must be checked
+		if test $retcode -eq 0; then
+			return $?
+		fi
+
+		if test $retcode -ne $REF_CODE; then
+			basic_test false
+			return -1
+		fi
+
+		if test $1 != "realloc"; then
+			cleanup_test
+		fi
+
+	done
+	basic_test false
+	return -1
+}
+
+test_so_alloc()
+{
+	if [ $IS_LINUX -eq 0 ]; then
+		lines=$(find . -maxdepth 1 -name "libso.so" | wc -l)
+	else
+		lines=$(find . -maxdepth 1 -name "run.exe" | wc -l)
+	fi
+
+	if [ $lines -eq 0 ]; then
+		basic_test false
+	else
+
+		init_test
+		$CPP $input_f $params > $ref_f
+
+		run_until_success "malloc"
+		if test $? -ne 0; then
+			return
+		fi
+
+		run_until_success "calloc"
+		if test $? -ne 0; then
+			return
+		fi
+
+		run_until_success "realloc"
+
+		basic_test compare $out_f $ref_f
+
+		cleanup_test
+	fi
+}
+
+
+
+test_fun_array=(                                                         \
+	test_coding_style       "Sources check"                     5   0    \
+	test_bad_params         "Test bad input"                    1   0    \
+	test_bad_params         "Test bad parameters"               1   0    \
+	test_bad_params         "Test multiple files"               1   0    \
+	test_cpp_stdin          "Test stdin file"                   1   1    \
+	test_cpp                "Test simple file"                  1   1    \
+	test_cpp_stdout         "Test simple out file"              1   1    \
+	test_cpp                "Test simple define"                2   1    \
+	test_cpp                "Test param define"                 2   1    \
+	test_cpp                "Test simple define/undef"          2   1    \
+	test_cpp                "Test multiple defines"             2   1    \
+	test_cpp                "Test nested defines"               3   1    \
+	test_cpp                "Test multi-lines defines"          2   1    \
+	test_cpp                "Test simple if true"               1   1    \
+	test_cpp                "Test simple if false"              1   1    \
+	test_cpp                "Test define if true"               1   1    \
+	test_cpp                "Test define if false"              1   1    \
+	test_cpp                "Test simple if-else true"          1   1    \
+	test_cpp                "Test simple if-else false"         1   1    \
+	test_cpp                "Test define if-else true"          1   1    \
+	test_cpp                "Test define param if-else false"   1   1    \
+	test_cpp                "Test simple elif false"            1   1    \
+	test_cpp                "Test simple elif true"             1   1    \
+	test_cpp                "Test simple elif-else true"        1   1    \
+	test_cpp                "Test simple elif-else false"       1   1    \
+	test_cpp                "Test complex if-elif-else"         2   1    \
+	test_cpp                "Test simple ifdef false"           1   1    \
+	test_cpp                "Test simple ifdef true"            1   1    \
+	test_cpp                "Test simple ifndef"                1   1    \
+	test_cpp                "Test simple ifndef undef"          1   1    \
+	test_bad_params         "Test bad include"                  1   0    \
+	test_cpp                "Test double define params"         1   1    \
+	test_cpp                "Test simple include"               2   1    \
+	test_cpp                "Test include directory"            1   1    \
+	test_cpp                "Test include param"                1   1    \
+	test_cpp                "Test include order"                1   1    \
+	test_cpp                "Test include order no main"        1   1    \
+	test_cpp                "Test include guard"                2   1    \
+	test_so_alloc           "Test everything"                   10  0    \
+)
+
+# ---------------------------------------------------------------------------- #
+
+# ----------------- Run test ------------------------------------------------- #
+
+# first we check if we have everything defined
+check_tests
+
+# run tests
+run_tests $@
+
+exit 0

_test/test_lib.sh

@@ -0,0 +1,229 @@
+#!/bin/bash
+
+#
+# Tema1 Test Suite
+#
+# 2012-2018, Operating Systems
+#
+
+# ----------------- General declarations and util functions ------------------ #
+
+# Enable/disable exiting when program fails.
+EXIT_IF_FAIL=0
+# Enable/disable debug (1/0).
+DEBUG_=0
+# checkpatch.pl URL
+CHECKPATCH_URL="https://raw.githubusercontent.com/torvalds/linux/master/scripts/checkpatch.pl"
+COMMON_IGNORE_FLAGS="
+	SPLIT_STRING,SSCANF_TO_KSTRTO,NEW_TYPEDEFS,VOLATILE,INLINE,USE_FUNC,AVOID_EXTERNS,CONST_STRUCT,SPDX_LICENSE_TAG"
+LIN_IGNORE_FLAGS="$COMMON_IGNORE_FLAGS"
+WIN_IGNORE_FLAGS="$COMMON_IGNORE_FLAGS,DOS_LINE_ENDINGS"
+
+if [ $(uname -s) == "Linux" ]; then
+	CHECKPATCH_IGNORE_FLAGS=$LIN_IGNORE_FLAGS
+else
+	CHECKPATCH_IGNORE_FLAGS=$WIN_IGNORE_FLAGS
+fi
+
+CHECKPATCH_ARGS="
+	--no-tree
+	--no-summary
+	--terse
+	--ignore $CHECKPATCH_IGNORE_FLAGS
+	--show-types"
+
+DEBUG()
+{
+	if test "x$DEBUG_" = "x1"; then
+		$@ 1>&2
+	fi
+}
+
+print_header()
+{
+	header="${1}"
+	header_len=${#header}
+	printf "\n"
+	if [ $header_len -lt 71 ]; then
+		padding=$(((71 - $header_len) / 2))
+		for ((i = 0; i < $padding; i++)); do
+			printf " "
+		done
+	fi
+	printf "= %s =\n\n" "${header}"
+}
+
+
+test_do_fail()
+{
+	printf "failed  [ 0/%02d]\n" "$max_points"
+	if test "x$EXIT_IF_FAIL" = "x1"; then
+		exit 1
+	fi
+}
+
+test_do_pass()
+{
+	printf "passed  [%02d/%02d]\n" "$1" "$max_points"
+}
+
+
+DF=${DF:--BEbwu}
+
+# Compares to files and prints the first 10
+# lines if the files differ
+function compare()
+{
+	diff $DF $1 $2 > __result
+	ret=$?
+	if [ $ret != 0 ] ; then
+		echo "$1 vs $2:"
+		cat __result | head -n 10
+	fi
+	rm -f __result
+	return $ret
+}
+
+memory_test()
+{
+    DEBUG echo "MEM TEST"
+
+    res=$1
+    memcheck_description="$description - memcheck"
+    printf "%02d) %s" "$test_index" "$memcheck_description"
+
+	for ((i = 0; i < 56 - ${#memcheck_description}; i++)); do
+		printf "."
+	done
+
+    if test $res -eq 0; then
+        test_do_pass "$mem_points"
+    else
+        test_do_fail "$mem_poits"
+    fi
+}
+
+basic_test()
+{
+	DEBUG echo "TEST: $@"
+	$@
+	res=$?
+	printf "%02d) %s" "$test_index" "$description"
+
+	for ((i = 0; i < 56 - ${#description}; i++)); do
+		printf "."
+	done
+
+	if test $res -eq 0; then
+        test_do_pass "$points"
+        return 0
+	else
+        test_do_fail "$points"
+        return -1
+	fi
+}
+
+check_source()
+{
+	# check to see if we have checkpatch
+	check_patch=$(which checkpatch.pl 2> /dev/null)
+	if ! [ -x "$check_patch" ]; then
+		echo "'checkpatch.pl' tool not found on your system."\
+			"Skipping source check..."
+		echo "Please download 'checkpatch.pl' from '$CHECKPATCH_URL'"\
+			"and install it in your \$PATH."
+		echo
+		return
+	fi
+
+	# try to find sources in the current directory
+	src_files="$(find "${SRC_DIR:-.}" -type f -iregex \
+		'.*\.\(c\|h\|cpp\|hpp\|cc\|hh\|cxx\|hxx\)')"
+	if [ -z "$src_files" ]; then
+		read -t 60 -e -p 'Please provide path to your sources: ' SRC_DIR
+		if [ "$?" -ne "0" -o -z "$SRC_DIR" ]; then
+			echo -e "No path provided! Skipping source check...\n"
+			return
+		fi
+		if ! [ -e "$SRC_DIR" ]; then
+			echo -e "File or directory '$SRC_DIR' does not exist. " \
+				"Skipping source check...\n"
+			return
+		fi
+		src_files="$(find "$SRC_DIR" -type f -iregex \
+			'.*\.\(c\|h\|cpp\|hpp\|cc\|hh\|cxx\|hxx\)')"
+		if [ -z "$src_files" ]; then
+			echo -e "No sources found in '$SRC_DIR'. " \
+				"Skipping source check...\n"
+			return
+		fi
+	fi
+	# now we have sources in $SRC_DIR or .
+	OUT=$(find "${SRC_DIR:-.}" -type f -iregex \
+		'.*\.\(c\|h\|cpp\|hpp\|cc\|hh\|cxx\|hxx\)' | \
+		xargs $check_patch $CHECKPATCH_ARGS -f 2>&1 | tail -n +2 | \
+		sort -u -t":" -k4,4  | head -n 20)
+	echo "$OUT"
+}
+
+test_coding_style()
+{
+	check_source
+	[ -n "$src_files" -a -z "$OUT" ]
+	basic_test [ $? -eq 0 ]
+}
+
+check_tests()
+{
+	# we need to have the test_fun_array defined
+	if [ -z "$test_fun_array" ]; then
+		echo "test_fun_array is not defined - don't know what to run" 1>&2
+		exit 1
+	fi
+
+	# max_points
+	if [ -z "$max_points" ]; then
+		echo "max_points is not defined - don't the total number of points" 1>&2
+		exit 1
+	fi
+}
+
+run_tests()
+{
+	if test $# -ne 1; then
+		echo "Usage: $0 test_number | init | cleanup" 1>&2
+		exit 1
+	fi
+
+	test_index=$1
+
+	if test $test_index == "init"; then
+		init_world
+		exit 0
+	fi
+
+	if test $test_index == "cleanup"; then
+		cleanup_world
+		exit 0
+	fi
+
+	if test $test_index == "check"; then
+		check_source
+		exit 0
+	fi
+
+	arr_index=$(($test_index * 4))
+	last_test=$((${#test_fun_array[@]} / 4))
+	description=${test_fun_array[$(($arr_index + 1))]}
+
+	points=${test_fun_array[$(($arr_index + 2))]}
+	mem_points=${test_fun_array[$(($arr_index + 3))]}
+
+	if test "$test_index" -gt "$last_test" -o "$arr_index" -lt 0; then
+		echo "Error: Test index is out range (1 < test_index <= $last_test)." 1>&2
+		exit 1
+	fi
+
+	# Run proper function
+	${test_fun_array[$(($arr_index))]}
+}

run_all.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+#
+# Tema1 Test Suite
+#
+# 2020, Operating Systems
+#
+first_test=0
+last_test=38
+script=./_test/run_test.sh
+
+# Call init to set up testing environment
+bash "$script" init
+
+# check the source (disabled, part of tests now)
+#bash "$script" check
+
+for i in $(seq $first_test $last_test); do
+   bash "$script" $i
+done | tee results.txt
+
+cat results.txt | grep -a '\[.*\]$' | awk -F '[] /[]+' '
+BEGIN {
+    sum=0
+}
+
+{
+	sum += $(NF-2);
+}
+
+END {
+    printf "\n%66s  [%02d/95]\n", "Total:", sum;
+}'
+
+# Cleanup testing environment
+bash "$script" cleanup
+rm -f results.txt