diff --git a/.github/SECURITY.md b/.github/SECURITY.md
index 30a193d..1d67596 100644
--- a/.github/SECURITY.md
+++ b/.github/SECURITY.md
@@ -4,10 +4,8 @@ The project's team and community take security issues.
 
 We appreciate your efforts to responsibly disclose your findings and will make every effort to acknowledge your contributions.
 
-To report a security issue, go to the project's issues and create a new issue using the ⚠️ Security Report``issue template.
+To report a security issue, go to the project's issues and create a new issue using the ⚠️ Security Report 'issue template'.
 
-Read carefully the instructions of this issue template, and if your report could leak data or might expose
-how to gain access to a restricted area or break the system,
-please email [jgracia9988@gmail.com](mailto:jgracia9988@gmail.com) and include the word "SECURITY" in the subject line.
+Read carefully the instructions of this issue template, and if your report could leak data or might expose how to gain access to a restricted area or break the system, please email [jgracia9988@gmail.com](mailto:jgracia9988@gmail.com) and include the word "SECURITY" in the subject line.
 
 We'll endeavour to respond quickly, and will keep you updated throughout the process.
diff --git a/README.md b/README.md
index dc975e7..6cd70c9 100644
--- a/README.md
+++ b/README.md
@@ -208,6 +208,16 @@ and the read and understanding of the [keep a changelog guide](https://keepachan
 Read and comment about it in this [dev.to post](https://dev.to/josee9988/the-ultimate-github-project-template-1264).
 We also recommend installing all the [used bots](https://github.com/Josee9988/project-template#-used-github-bots).
 
+## 💉 **Project tests**
+
+If you want to improve the development of this project, you must, after changing or improving whatever run the project's tests to prove that they are working.
+
+To do so:
+
+```bash
+bash tests/TESTS_RUNNER.sh
+```
+
 ---
 
 ## 🍰 **Supporters and donators**
diff --git a/SETUP_TEMPLATE.sh b/SETUP_TEMPLATE.sh
index dbab27b..088dc07 100644
--- a/SETUP_TEMPLATE.sh
+++ b/SETUP_TEMPLATE.sh
@@ -27,6 +27,7 @@ NC='\033[0m' # No Color
 UPurple='\033[4;35m'
 BBLUE='\033[1;34m'
 GREEN='\033[1;32m'
+OMIT_STR="--omit-commit-and-confirmation"
 FILE_FUNCTION_HELPERS=bin/FUNCTION_HELPERS.sh
 
 if [ ! -f "$FILE_FUNCTION_HELPERS" ]; then # check if the function helpers file is not found
@@ -61,14 +62,24 @@ else
   NEW_EMAIL=$3
 fi
 
-###### START OF THE SCRIPT ######
 echo -e "Thanks for using ${GREEN}Josee9988/project-template${NC}"
 echo -e "Read carefully all the documentation before you continue executing this script: ${UPurple}https://github.com/Josee9988/project-template${NC}\n"
-# prompt for the, mail and type of the project
-read -p "Enter $(echo -e "$BBLUE""what your project is""$NC") (program/extension/API/web/CLI tool/backend/frontend/scrapper/automation tool/etc): " PROJECT_TYPE
+
+if [ -n "$4" ]; then # if the project's type has been manually specified
+  PROJECT_TYPE=$4
+else
+  read -p "Enter $(echo -e "$BBLUE""what your project is""$NC") (program/extension/API/web/CLI tool/backend/frontend/scrapper/automation tool/etc): " PROJECT_TYPE
+fi
+
+if [ "$5" = "$OMIT_STR" ]; then # if the ignore flag has been manually specified
+  choice="y"
+else
+  read -p "Is this data correct: username \"$(echo -e "$GREEN""$NEW_USERNAME""$NC")\", email: \"$(echo -e "$GREEN""$NEW_EMAIL""$NC")\", project name: \"$(echo -e "$GREEN""$PROJECT_NAME""$NC")\", of type: \"$(echo -e "$GREEN""$PROJECT_TYPE""$NC")\" (y/n)? " choice
+fi
+
+###### START OF THE SCRIPT ######
 
 # confirm that the data is correct
-read -p "Is this data correct: username \"$(echo -e "$GREEN""$NEW_USERNAME""$NC")\", email: \"$(echo -e "$GREEN""$NEW_EMAIL""$NC")\", project name: \"$(echo -e "$GREEN""$PROJECT_NAME""$NC")\", of type: \"$(echo -e "$GREEN""$PROJECT_TYPE""$NC")\" (y/n)? " choice
 case "$choice" in
 y | Y)
   center "Setting everything up for you ;)"
@@ -76,19 +87,24 @@ y | Y)
   # replace the username and email
   find .github/ -type f -name "*" -print0 | xargs -0 sed -i "s/Josee9988/${NEW_USERNAME}/g"
   find .github/ -type f -name "*" -print0 | xargs -0 sed -i "s/jgracia9988@gmail.com/${NEW_EMAIL}/g"
+  find .github/ -type f -name "*" -print0 | xargs -0 sed -i "s/project-template/${PROJECT_NAME}/g"
   find .gitignore -type f -name "*" -print0 | xargs -0 sed -i "s/Josee9988\/project-template/${NEW_USERNAME}\/${PROJECT_NAME}/g"
 
   rm LICENSE                                                  # remove the license
   rm -r bin/                                                  # remove the bin folder
+  rm -r tests/ 2>/dev/null || :                               # remove the tests folder
   writeREADME                                                 # write the new README.md
   writeCHANGELOG                                              # write the basic structure of the CHANGELOG.md
   echo -e "# add your own funding links" >.github/FUNDING.yml # remove author's custom funding links
 
-  git add CHANGELOG.md README.md .gitignore .github SETUP_TEMPLATE.sh LICENSE bin # commit the new files
-  git -c color.status=always status | less -REX                                   # show git status with colours
-  echo -e "Committing the changes for you :)\n"
-  git commit -m "Set up '@Josee9988/project-template' template: Personalized files by executing the SETUP_TEMPLATE.sh script.🚀"
-  echo -e "\nRemember to review every file and customize it as you like.\nYou are ready to start your brand new awesome project🚀🚀."
+  if [ ! "$5" = "$OMIT_STR" ]; then                                                 # if the ignore option for tests has been specified
+    git add CHANGELOG.md README.md .gitignore .github SETUP_TEMPLATE.sh LICENSE bin # commit the new files
+    git -c color.status=always status | less -REX                                   # show git status with colours
+    echo -e "Committing the changes for you :)\n"
+    git commit -m "Set up '@Josee9988/project-template' template: Personalized files by executing the SETUP_TEMPLATE.sh script.🚀"
+    echo -e "\nRemember to review every file and customize it as you like.\nYou are ready to start your brand new awesome project🚀🚀." else
+  fi
+
   # self remove this script
   rm -- "$0"
   ;;
diff --git a/bin/FUNCTION_HELPERS.sh b/bin/FUNCTION_HELPERS.sh
index 368005c..5cbc1f8 100644
--- a/bin/FUNCTION_HELPERS.sh
+++ b/bin/FUNCTION_HELPERS.sh
@@ -31,14 +31,14 @@ center() {
 
 checkFiles() {
   ### Check if the .github directory does exist ###
-  if [ ! -d ".github/" ] || [ ! -d ".github/ISSUE_TEMPLATE" ]; then
+  if [ ! -d ".github/" ] && [ ! -d ".github/ISSUE_TEMPLATE" ]; then
     echo -e "${RED}Directory .github/ DOES NOT EXIST WITH ALL THE FILES NEEDED.${NC}"
     displayErrorInstructions
     exit 1 # exit with error code 1
   fi
 
   ### Checks if the root files exist and some extra important files ###
-  if [ ! -f "CHANGELOG.md" ] || [ ! -f "README.md" ] || [ ! -f ".gitignore" ] || [ ! -f "LICENSE" ] || [ ! -f ".github/settings.yml" ] || [ ! -f ".github/pull_request_template.md" ] || [ ! -f ".github/ISSUE_TEMPLATE/1-bug-report.md" ] || [ ! -f ".github/ISSUE_TEMPLATE/config.yml" ]; then
+  if [ ! -f "CHANGELOG.md" ] && [ ! -f "README.md" ] && [ ! -f ".gitignore" ] && [ ! -f "LICENSE" ] && [ ! -f ".github/settings.yml" ] && [ ! -f ".github/pull_request_template.md" ] && [ ! -f ".github/ISSUE_TEMPLATE/1-bug-report.md" ] && [ ! -f ".github/ISSUE_TEMPLATE/config.yml" ]; then
     echo -e "${RED}The script couldn't find one or many of the template main files${NC}."
     displayErrorInstructions
     exit 1 # exit with error code 1
diff --git a/tests/TESTS_RUNNER.sh b/tests/TESTS_RUNNER.sh
new file mode 100755
index 0000000..31e3771
--- /dev/null
+++ b/tests/TESTS_RUNNER.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+LGREEN='\033[0;32m'
+NC='\033[0m' # No Color
+TESTS_TRASH_DIR="tests/.ignore.tests_trash/"
+declare -a files=("tests/project_scaffolding_test.sh" "tests/custom_data_test.sh") # all the tests
+
+center() {
+    term_width="$(tput cols)"
+    padding="$(printf '%0.1s' +{1..500})"
+    echo -e "\n${LGREEN}$(printf '%*.*s %s %*.*s\n' 0 "$(((term_width - 2 - ${#1}) / 2))" "$padding" "$1" 0 "$(((term_width - 1 - ${#1}) / 2))" "$padding")${NC}"
+}
+
+for file in "${files[@]}"; do
+    mkdir -p tests/.ignore.tests_trash
+    center "TEST: running test ./$file"
+    ./"$file"
+    rm -r $TESTS_TRASH_DIR
+done
diff --git a/tests/custom_data_test.sh b/tests/custom_data_test.sh
new file mode 100755
index 0000000..7c69650
--- /dev/null
+++ b/tests/custom_data_test.sh
@@ -0,0 +1,87 @@
+#! /bin/bash
+# file: examples/custom_data_test.sh
+
+TESTS_TRASH_DIR="tests/.ignore.tests_trash"
+USERNAME="FAKE_USERNAME_TESTS"
+NAME="FAKE_NAME_TESTS"
+MAIL="FAKE_EMAIL_TESTS"
+TYPE="FAKE_TYPE_TESTS"
+OMIT_STR="--omit-commit-and-confirmation"
+
+oneTimeSetUp() {
+    cp -r * $TESTS_TRASH_DIR --copy-content 2>/dev/null || :
+    cp -r .github/ $TESTS_TRASH_DIR --copy-contents
+    cp -r bin/ $TESTS_TRASH_DIR --copy-contents
+    cp .gitignore $TESTS_TRASH_DIR --copy-contents
+    rm -r $TESTS_TRASH_DIR/tests/ 2>/dev/null || :
+    rm -r $TESTS_TRASH_DIR/.git/ 2>/dev/null || :
+    cd $TESTS_TRASH_DIR || exit
+    bash SETUP_TEMPLATE.sh $USERNAME $NAME $MAIL $TYPE $OMIT_STR >/dev/null
+}
+
+oneTimeTearDown() {
+    cd "../.." || exit
+}
+
+# TESTS
+suite() {
+    suite_addTest testDotGithubISSUE_TEMPLATEAsignees
+    suite_addTest testDotGithubISSUE_TEMPLATEConfig
+    suite_addTest testDotGithubConfig
+    suite_addTest testDotGithubSecurity
+    suite_addTest testDotGithubCODEOWNERS
+    suite_addTest testDotGitignore
+    suite_addTest testChangelog
+}
+
+testDotGithubISSUE_TEMPLATEAsignees() {
+    assigneesWithName="assignees: $USERNAME"
+    declare -a files=(
+        ".github/ISSUE_TEMPLATE/1-bug-report.md" ".github/ISSUE_TEMPLATE/2-failing-test.md"
+        ".github/ISSUE_TEMPLATE/3-docs-bug.md" ".github/ISSUE_TEMPLATE/4-feature-request.md"
+        ".github/ISSUE_TEMPLATE/5-enhancement-request.md" ".github/ISSUE_TEMPLATE/6-security-report.md"
+        ".github/ISSUE_TEMPLATE/7-question-support.md")
+
+    for file in "${files[@]}"; do
+        assertTrue " assignee was not found for file $file" "grep -q \"$assigneesWithName\" \"$file\""
+    done
+}
+testDotGithubISSUE_TEMPLATEConfig() {
+    mailInConfig="url: mailto:$MAIL"
+    assertTrue "The mail $MAIL was not found in .github/ISSUE_TEMPLATE/config.yml" "grep -q \"$mailInConfig\" \".github/ISSUE_TEMPLATE/config.yml\""
+}
+
+testDotGithubConfig() {
+    newIssueWelcomeComment="Thanks for opening your first issue in $USERNAME/$NAME! Be sure to"
+    assertTrue "The $USERNAME/$NAME was not found in " "grep -q \"$newIssueWelcomeComment\" \".github/config.yml\""
+}
+
+testDotGithubSecurity() {
+    securityData1="(mailto:$MAIL)"
+    securityData2="[$MAIL]"
+    securityData3="he project's team and community take security issues"
+    assertTrue "The mail $MAIL was not found in .github/SECURITY.md" "grep -q \"$securityData1\" \".github/SECURITY.md\" && grep -q \"$securityData2\" \".github/SECURITY.md\" && grep -q \"$securityData3\" \".github/SECURITY.md\""
+}
+
+testDotGithubCODEOWNERS() {
+    usernameData="$USERNAME"
+    assertTrue "Could not find the username $USERNAME in the file .github/CODEOWNERS" "grep -q \"$usernameData\" \".github/CODEOWNERS\""
+}
+
+testDotGitignore() {
+    gitignoreData1="###> $USERNAME/$NAME ###"
+    gitignoreData2="###< $USERNAME/$NAME ###"
+
+    assertTrue "Could not find the username $USERNAME and the name $NAME in the .gitignore file" "grep -q \"$gitignoreData1\" \".gitignore\" && grep -q \"$gitignoreData2\" \".gitignore\""
+}
+
+testChangelog() {
+    changelogData1="All notable changes to the"
+    changelogData2="**$NAME**"
+    changelogData3="$TYPE will be documented in this file."
+
+    assertTrue "Could not find the name $NAME or the type $TYPE in the CHANGELOG.md file" "grep -q \"$changelogData1\" \"CHANGELOG.md\" && grep -q \"$changelogData2\" \"CHANGELOG.md\" && grep -q \"$changelogData3\" \"CHANGELOG.md\""
+}
+
+# Load and run shUnit2.
+. tests/shunit2
diff --git a/tests/project_scaffolding_test.sh b/tests/project_scaffolding_test.sh
new file mode 100755
index 0000000..9b36d7e
--- /dev/null
+++ b/tests/project_scaffolding_test.sh
@@ -0,0 +1,97 @@
+#! /bin/bash
+# file: examples/project_scaffolding_test.sh
+
+TESTS_TRASH_DIR="tests/.ignore.tests_trash"
+USERNAME="FAKE_USERNAME_TESTS"
+NAME="FAKE_NAME_TESTS"
+MAIL="FAKE_EMAIL_TESTS"
+TYPE="FAKE_TYPE_TESTS"
+OMIT_STR="--omit-commit-and-confirmation"
+
+oneTimeSetUp() {
+    cp -r * $TESTS_TRASH_DIR --copy-content 2>/dev/null || :
+    cp -r .github/ $TESTS_TRASH_DIR --copy-contents
+    cp -r bin/ $TESTS_TRASH_DIR --copy-contents
+    cp .gitignore $TESTS_TRASH_DIR --copy-contents
+    rm -r $TESTS_TRASH_DIR/tests/ 2>/dev/null || :
+    rm -r $TESTS_TRASH_DIR/.git/ 2>/dev/null || :
+    cd $TESTS_TRASH_DIR || exit
+    bash SETUP_TEMPLATE.sh $USERNAME $NAME $MAIL $TYPE $OMIT_STR >/dev/null
+}
+
+oneTimeTearDown() {
+    cd "../.." || exit
+}
+
+# TESTS
+suite() {
+    suite_addTest testDotGithubFolder
+    suite_addTest testDotGithubISSUE_TEMPLATE
+    suite_addTest testDotGithubISSUE_TEMPLATEFiles
+    suite_addTest testDotGithubFiles
+    suite_addTest testTestRemovedFiles
+    suite_addTest testGlobalFiles
+    suite_addTest testRemovedFiles
+}
+
+testDotGithubFolder() {
+    if [ ! -e ".github/" ]; then
+        assertEquals ".github file does not exist" 1 0 # error
+    fi
+}
+
+testDotGithubISSUE_TEMPLATE() {
+    if [ ! -e ".github/ISSUE_TEMPLATE" ]; then
+        assertEquals ".github/ISSUE_TEMPLATE was not found" 1 0 # error
+    fi
+}
+
+testDotGithubISSUE_TEMPLATEFiles() {
+    declare -a files=(
+        ".github/ISSUE_TEMPLATE/1-bug-report.md" ".github/ISSUE_TEMPLATE/2-failing-test.md"
+        ".github/ISSUE_TEMPLATE/3-docs-bug.md" ".github/ISSUE_TEMPLATE/4-feature-request.md"
+        ".github/ISSUE_TEMPLATE/5-enhancement-request.md" ".github/ISSUE_TEMPLATE/6-security-report.md"
+        ".github/ISSUE_TEMPLATE/7-question-support.md")
+
+    for file in "${files[@]}"; do
+        assertTrue " $file does not exist" "[ -e \"$file\" ]"
+    done
+}
+
+testDotGithubFiles() {
+    declare -a files=(
+        ".github/CODEOWNERS" ".github/CODE_OF_CONDUCT.md" ".github/CONTRIBUTING.md" ".github/ISSUE_TEMPLATE.md"
+        ".github/pull_request_template.md" ".github/SECURITY.md" ".github/SUPPORT.md" ".github/issue_label_bot.yaml"
+        ".github/config.yml" ".github/FUNDING.yml" ".github/settings.yml")
+
+    for file in "${files[@]}"; do
+        assertTrue " $file does not exist" "[ -e \"$file\" ]"
+    done
+}
+
+testTestRemovedFiles() {
+    filesFound=0
+    if [ -e "tests/" ] && [ -e "tests/shunit2" ] && [ -e "tests/TESTS_RUNNER.sh" ]; then
+        filesFound=1
+    fi
+    assertNotEquals " tests folder of some files were found" 1 $filesFound
+}
+
+testGlobalFiles() {
+    filesFound=0
+    if [ -e ".gitignore" ] && [ -e "CHANGELOG.md" ] && [ -e "README.md" ]; then
+        filesFound=1
+    fi
+    assertEquals " gitignore, changelog or readme were not found" 1 $filesFound
+}
+
+testRemovedFiles() {
+    filesFound=0
+    if [ -e "LICENSE" ] && [ -e "bin" ] && [ -e "bin/FUNCTION_HELPERS.sh" ]; then
+        filesFound=1
+    fi
+    assertNotEquals " LICENSE or the bin directory were found" 1 $filesFound
+}
+
+# Load and run shUnit2.
+. tests/shunit2
diff --git a/tests/shunit2 b/tests/shunit2
new file mode 100755
index 0000000..6239683
--- /dev/null
+++ b/tests/shunit2
@@ -0,0 +1,1343 @@
+#! /bin/sh
+# vim:et:ft=sh:sts=2:sw=2
+#
+# Copyright 2008-2020 Kate Ward. All Rights Reserved.
+# Released under the Apache 2.0 license.
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# shUnit2 -- Unit testing framework for Unix shell scripts.
+# https://github.com/kward/shunit2
+#
+# Author: kate.ward@forestent.com (Kate Ward)
+#
+# shUnit2 is a xUnit based unit test framework for Bourne shell scripts. It is
+# based on the popular JUnit unit testing framework for Java.
+#
+# $() are not fully portable (POSIX != portable).
+#   shellcheck disable=SC2006
+# expr may be antiquated, but it is the only solution in some cases.
+#   shellcheck disable=SC2003
+
+# Return if shunit2 already loaded.
+command [ -n "${SHUNIT_VERSION:-}" ] && exit 0
+SHUNIT_VERSION='2.1.8'
+
+# Return values that scripts can use.
+SHUNIT_TRUE=0
+SHUNIT_FALSE=1
+SHUNIT_ERROR=2
+
+# Logging functions.
+_shunit_warn() {
+  ${__SHUNIT_CMD_ECHO_ESC} \
+      "${__shunit_ansi_yellow}shunit2:WARN${__shunit_ansi_none} $*" >&2
+}
+_shunit_error() {
+  ${__SHUNIT_CMD_ECHO_ESC} \
+      "${__shunit_ansi_red}shunit2:ERROR${__shunit_ansi_none} $*" >&2
+}
+_shunit_fatal() {
+  ${__SHUNIT_CMD_ECHO_ESC} \
+      "${__shunit_ansi_red}shunit2:FATAL${__shunit_ansi_none} $*" >&2
+  exit ${SHUNIT_ERROR}
+}
+
+# Determine some reasonable command defaults.
+__SHUNIT_CMD_ECHO_ESC='echo -e'
+# shellcheck disable=SC2039
+command [ "`echo -e test`" = '-e test' ] && __SHUNIT_CMD_ECHO_ESC='echo'
+
+__SHUNIT_UNAME_S=`uname -s`
+case "${__SHUNIT_UNAME_S}" in
+  BSD) __SHUNIT_CMD_EXPR='gexpr' ;;
+  *) __SHUNIT_CMD_EXPR='expr' ;;
+esac
+__SHUNIT_CMD_TPUT='tput'
+
+# Commands a user can override if needed.
+SHUNIT_CMD_EXPR=${SHUNIT_CMD_EXPR:-${__SHUNIT_CMD_EXPR}}
+SHUNIT_CMD_TPUT=${SHUNIT_CMD_TPUT:-${__SHUNIT_CMD_TPUT}}
+
+# Enable color output. Options are 'never', 'always', or 'auto'.
+SHUNIT_COLOR=${SHUNIT_COLOR:-auto}
+
+# Specific shell checks.
+if command [ -n "${ZSH_VERSION:-}" ]; then
+  setopt |grep "^shwordsplit$" >/dev/null
+  if command [ $? -ne ${SHUNIT_TRUE} ]; then
+    _shunit_fatal 'zsh shwordsplit option is required for proper operation'
+  fi
+  if command [ -z "${SHUNIT_PARENT:-}" ]; then
+    _shunit_fatal "zsh does not pass \$0 through properly. please declare \
+\"SHUNIT_PARENT=\$0\" before calling shUnit2"
+  fi
+fi
+
+#
+# Constants
+#
+
+__SHUNIT_MODE_SOURCED='sourced'
+__SHUNIT_MODE_STANDALONE='standalone'
+__SHUNIT_PARENT=${SHUNIT_PARENT:-$0}
+
+# User provided test prefix to display in front of the name of the test being
+# executed. Define by setting the SHUNIT_TEST_PREFIX variable.
+__SHUNIT_TEST_PREFIX=${SHUNIT_TEST_PREFIX:-}
+
+# ANSI colors.
+__SHUNIT_ANSI_NONE='\033[0m'
+__SHUNIT_ANSI_RED='\033[1;31m'
+__SHUNIT_ANSI_GREEN='\033[1;32m'
+__SHUNIT_ANSI_YELLOW='\033[1;33m'
+__SHUNIT_ANSI_CYAN='\033[1;36m'
+
+# Set the constants readonly.
+__shunit_constants=`set |grep '^__SHUNIT_' |cut -d= -f1`
+echo "${__shunit_constants}" |grep '^Binary file' >/dev/null && \
+    __shunit_constants=`set |grep -a '^__SHUNIT_' |cut -d= -f1`
+for __shunit_const in ${__shunit_constants}; do
+  if command [ -z "${ZSH_VERSION:-}" ]; then
+    readonly "${__shunit_const}"
+  else
+    case ${ZSH_VERSION} in
+      [123].*) readonly "${__shunit_const}" ;;
+      *) readonly -g "${__shunit_const}"  # Declare readonly constants globally.
+    esac
+  fi
+done
+unset __shunit_const __shunit_constants
+
+#
+# Internal variables.
+#
+
+# Variables.
+__shunit_lineno=''  # Line number of executed test.
+__shunit_mode=${__SHUNIT_MODE_SOURCED}  # Operating mode.
+__shunit_reportGenerated=${SHUNIT_FALSE}  # Is report generated.
+__shunit_script=''  # Filename of unittest script (standalone mode).
+__shunit_skip=${SHUNIT_FALSE}  # Is skipping enabled.
+__shunit_suite=''  # Suite of tests to execute.
+__shunit_clean=${SHUNIT_FALSE}  # _shunit_cleanup() was already called.
+
+# ANSI colors (populated by _shunit_configureColor()).
+__shunit_ansi_none=''
+__shunit_ansi_red=''
+__shunit_ansi_green=''
+__shunit_ansi_yellow=''
+__shunit_ansi_cyan=''
+
+# Counts of tests.
+__shunit_testSuccess=${SHUNIT_TRUE}
+__shunit_testsTotal=0
+__shunit_testsPassed=0
+__shunit_testsFailed=0
+
+# Counts of asserts.
+__shunit_assertsTotal=0
+__shunit_assertsPassed=0
+__shunit_assertsFailed=0
+__shunit_assertsSkipped=0
+
+#
+# Macros.
+#
+
+# shellcheck disable=SC2016,SC2089
+_SHUNIT_LINENO_='eval __shunit_lineno=""; if command [ "${1:-}" = "--lineno" ]; then command [ -n "$2" ] && __shunit_lineno="[$2] "; shift 2; fi'
+
+#-----------------------------------------------------------------------------
+# Assertion functions.
+#
+
+# Assert that two values are equal to one another.
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertEquals() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertEquals() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_expected_=$1
+  shunit_actual_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if command [ "${shunit_expected_}" = "${shunit_actual_}" ]; then
+    _shunit_assertPass
+  else
+    failNotEquals "${shunit_message_}" "${shunit_expected_}" "${shunit_actual_}"
+    shunit_return=${SHUNIT_FALSE}
+  fi
+
+  unset shunit_message_ shunit_expected_ shunit_actual_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_EQUALS_='eval assertEquals --lineno "${LINENO:-}"'
+
+# Assert that two values are not equal to one another.
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertNotEquals() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertNotEquals() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_expected_=$1
+  shunit_actual_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if command [ "${shunit_expected_}" != "${shunit_actual_}" ]; then
+    _shunit_assertPass
+  else
+    failSame "${shunit_message_}" "${shunit_expected_}" "${shunit_actual_}"
+    shunit_return=${SHUNIT_FALSE}
+  fi
+
+  unset shunit_message_ shunit_expected_ shunit_actual_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_NOT_EQUALS_='eval assertNotEquals --lineno "${LINENO:-}"'
+
+# Assert that a container contains a content.
+#
+# Args:
+#   message: string: failure message [optional]
+#   container: string: container to analyze
+#   content: string: content to find
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertContains() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertContains() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_container_=$1
+  shunit_content_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if echo "$shunit_container_" | grep -F -- "$shunit_content_" > /dev/null; then
+    _shunit_assertPass
+  else
+    failNotFound "${shunit_message_}" "${shunit_content_}"
+    shunit_return=${SHUNIT_FALSE}
+  fi
+
+  unset shunit_message_ shunit_container_ shunit_content_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_CONTAINS_='eval assertContains --lineno "${LINENO:-}"'
+
+# Assert that a container does not contain a content.
+#
+# Args:
+#   message: string: failure message [optional]
+#   container: string: container to analyze
+#   content: string: content to look for
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertNotContains() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertNotContains() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_container_=$1
+  shunit_content_=$2
+
+  shunit_return=${SHUNIT_TRUE}
+  if echo "$shunit_container_" | grep -F -- "$shunit_content_" > /dev/null; then
+    failFound "${shunit_message_}" "${shunit_content_}"
+    shunit_return=${SHUNIT_FALSE}
+  else
+    _shunit_assertPass
+  fi
+
+  unset shunit_message_ shunit_container_ shunit_content_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_NOT_CONTAINS_='eval assertNotContains --lineno "${LINENO:-}"'
+
+# Assert that a value is null (i.e. an empty string)
+#
+# Args:
+#   message: string: failure message [optional]
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertNull() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 1 -o $# -gt 2 ]; then
+    _shunit_error "assertNull() requires one or two arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  assertTrue "${shunit_message_}" "[ -z '$1' ]"
+  shunit_return=$?
+
+  unset shunit_message_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_NULL_='eval assertNull --lineno "${LINENO:-}"'
+
+# Assert that a value is not null (i.e. a non-empty string)
+#
+# Args:
+#   message: string: failure message [optional]
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertNotNull() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -gt 2 ]; then  # allowing 0 arguments as $1 might actually be null
+    _shunit_error "assertNotNull() requires one or two arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_actual_=`_shunit_escapeCharactersInString "${1:-}"`
+  test -n "${shunit_actual_}"
+  assertTrue "${shunit_message_}" $?
+  shunit_return=$?
+
+  unset shunit_actual_ shunit_message_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_NOT_NULL_='eval assertNotNull --lineno "${LINENO:-}"'
+
+# Assert that two values are the same (i.e. equal to one another).
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertSame() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertSame() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  assertEquals "${shunit_message_}" "$1" "$2"
+  shunit_return=$?
+
+  unset shunit_message_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_SAME_='eval assertSame --lineno "${LINENO:-}"'
+
+# Assert that two values are not the same (i.e. not equal to one another).
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertNotSame() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "assertNotSame() requires two or three arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_:-}$1"
+    shift
+  fi
+  assertNotEquals "${shunit_message_}" "$1" "$2"
+  shunit_return=$?
+
+  unset shunit_message_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_NOT_SAME_='eval assertNotSame --lineno "${LINENO:-}"'
+
+# Assert that a value or shell test condition is true.
+#
+# In shell, a value of 0 is true and a non-zero value is false. Any integer
+# value passed can thereby be tested.
+#
+# Shell supports much more complicated tests though, and a means to support
+# them was needed. As such, this function tests that conditions are true or
+# false through evaluation rather than just looking for a true or false.
+#
+# The following test will succeed:
+#   assertTrue 0
+#   assertTrue "[ 34 -gt 23 ]"
+# The following test will fail with a message:
+#   assertTrue 123
+#   assertTrue "test failed" "[ -r '/non/existent/file' ]"
+#
+# Args:
+#   message: string: failure message [optional]
+#   condition: string: integer value or shell conditional statement
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertTrue() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 1 -o $# -gt 2 ]; then
+    _shunit_error "assertTrue() takes one or two arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_condition_=$1
+
+  # See if condition is an integer, i.e. a return value.
+  shunit_match_=`expr "${shunit_condition_}" : '\([0-9]*\)'`
+  shunit_return=${SHUNIT_TRUE}
+  if command [ -z "${shunit_condition_}" ]; then
+    # Null condition.
+    shunit_return=${SHUNIT_FALSE}
+  elif command [ -n "${shunit_match_}" -a "${shunit_condition_}" = "${shunit_match_}" ]
+  then
+    # Possible return value. Treating 0 as true, and non-zero as false.
+    command [ "${shunit_condition_}" -ne 0 ] && shunit_return=${SHUNIT_FALSE}
+  else
+    # Hopefully... a condition.
+    ( eval "${shunit_condition_}" ) >/dev/null 2>&1
+    command [ $? -ne 0 ] && shunit_return=${SHUNIT_FALSE}
+  fi
+
+  # Record the test.
+  if command [ ${shunit_return} -eq ${SHUNIT_TRUE} ]; then
+    _shunit_assertPass
+  else
+    _shunit_assertFail "${shunit_message_}"
+  fi
+
+  unset shunit_message_ shunit_condition_ shunit_match_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_TRUE_='eval assertTrue --lineno "${LINENO:-}"'
+
+# Assert that a value or shell test condition is false.
+#
+# In shell, a value of 0 is true and a non-zero value is false. Any integer
+# value passed can thereby be tested.
+#
+# Shell supports much more complicated tests though, and a means to support
+# them was needed. As such, this function tests that conditions are true or
+# false through evaluation rather than just looking for a true or false.
+#
+# The following test will succeed:
+#   assertFalse 1
+#   assertFalse "[ 'apples' = 'oranges' ]"
+# The following test will fail with a message:
+#   assertFalse 0
+#   assertFalse "test failed" "[ 1 -eq 1 -a 2 -eq 2 ]"
+#
+# Args:
+#   message: string: failure message [optional]
+#   condition: string: integer value or shell conditional statement
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+assertFalse() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 1 -o $# -gt 2 ]; then
+    _shunit_error "assertFalse() requires one or two arguments; $# given"
+    _shunit_assertFail
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_condition_=$1
+
+  # See if condition is an integer, i.e. a return value.
+  shunit_match_=`expr "${shunit_condition_}" : '\([0-9]*\)'`
+  shunit_return=${SHUNIT_TRUE}
+  if command [ -z "${shunit_condition_}" ]; then
+    # Null condition.
+    shunit_return=${SHUNIT_FALSE}
+  elif command [ -n "${shunit_match_}" -a "${shunit_condition_}" = "${shunit_match_}" ]
+  then
+    # Possible return value. Treating 0 as true, and non-zero as false.
+    command [ "${shunit_condition_}" -eq 0 ] && shunit_return=${SHUNIT_FALSE}
+  else
+    # Hopefully... a condition.
+    ( eval "${shunit_condition_}" ) >/dev/null 2>&1
+    command [ $? -eq 0 ] && shunit_return=${SHUNIT_FALSE}
+  fi
+
+  # Record the test.
+  if command [ "${shunit_return}" -eq "${SHUNIT_TRUE}" ]; then
+    _shunit_assertPass
+  else
+    _shunit_assertFail "${shunit_message_}"
+  fi
+
+  unset shunit_message_ shunit_condition_ shunit_match_
+  return "${shunit_return}"
+}
+# shellcheck disable=SC2016,SC2034
+_ASSERT_FALSE_='eval assertFalse --lineno "${LINENO:-}"'
+
+#-----------------------------------------------------------------------------
+# Failure functions.
+#
+
+# Records a test failure.
+#
+# Args:
+#   message: string: failure message [optional]
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+fail() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -gt 1 ]; then
+    _shunit_error "fail() requires zero or one arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 1 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+
+  _shunit_assertFail "${shunit_message_}"
+
+  unset shunit_message_
+  return ${SHUNIT_FALSE}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_='eval fail --lineno "${LINENO:-}"'
+
+# Records a test failure, stating two values were not equal.
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+failNotEquals() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "failNotEquals() requires one or two arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_expected_=$1
+  shunit_actual_=$2
+
+  shunit_message_=${shunit_message_%% }
+  _shunit_assertFail "${shunit_message_:+${shunit_message_} }expected:<${shunit_expected_}> but was:<${shunit_actual_}>"
+
+  unset shunit_message_ shunit_expected_ shunit_actual_
+  return ${SHUNIT_FALSE}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_NOT_EQUALS_='eval failNotEquals --lineno "${LINENO:-}"'
+
+# Records a test failure, stating a value was found.
+#
+# Args:
+#   message: string: failure message [optional]
+#   content: string: found value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+failFound() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 1 -o $# -gt 2 ]; then
+    _shunit_error "failFound() requires one or two arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+
+  shunit_message_=${shunit_message_%% }
+  _shunit_assertFail "${shunit_message_:+${shunit_message_} }Found"
+
+  unset shunit_message_
+  return ${SHUNIT_FALSE}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_FOUND_='eval failFound --lineno "${LINENO:-}"'
+
+# Records a test failure, stating a content was not found.
+#
+# Args:
+#   message: string: failure message [optional]
+#   content: string: content not found
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+failNotFound() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 1 -o $# -gt 2 ]; then
+    _shunit_error "failNotFound() requires one or two arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 2 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  shunit_content_=$1
+
+  shunit_message_=${shunit_message_%% }
+  _shunit_assertFail "${shunit_message_:+${shunit_message_} }Not found:<${shunit_content_}>"
+
+  unset shunit_message_ shunit_content_
+  return ${SHUNIT_FALSE}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_NOT_FOUND_='eval failNotFound --lineno "${LINENO:-}"'
+
+# Records a test failure, stating two values should have been the same.
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+failSame()
+{
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "failSame() requires two or three arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+
+  shunit_message_=${shunit_message_%% }
+  _shunit_assertFail "${shunit_message_:+${shunit_message_} }expected not same"
+
+  unset shunit_message_
+  return ${SHUNIT_FALSE}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_SAME_='eval failSame --lineno "${LINENO:-}"'
+
+# Records a test failure, stating two values were not equal.
+#
+# This is functionally equivalent to calling failNotEquals().
+#
+# Args:
+#   message: string: failure message [optional]
+#   expected: string: expected value
+#   actual: string: actual value
+# Returns:
+#   integer: success (TRUE/FALSE/ERROR constant)
+failNotSame() {
+  # shellcheck disable=SC2090
+  ${_SHUNIT_LINENO_}
+  if command [ $# -lt 2 -o $# -gt 3 ]; then
+    _shunit_error "failNotSame() requires one or two arguments; $# given"
+    return ${SHUNIT_ERROR}
+  fi
+  _shunit_shouldSkip && return ${SHUNIT_TRUE}
+
+  shunit_message_=${__shunit_lineno}
+  if command [ $# -eq 3 ]; then
+    shunit_message_="${shunit_message_}$1"
+    shift
+  fi
+  failNotEquals "${shunit_message_}" "$1" "$2"
+  shunit_return=$?
+
+  unset shunit_message_
+  return ${shunit_return}
+}
+# shellcheck disable=SC2016,SC2034
+_FAIL_NOT_SAME_='eval failNotSame --lineno "${LINENO:-}"'
+
+#-----------------------------------------------------------------------------
+# Skipping functions.
+#
+
+# Force remaining assert and fail functions to be "skipped".
+#
+# This function forces the remaining assert and fail functions to be "skipped",
+# i.e. they will have no effect. Each function skipped will be recorded so that
+# the total of asserts and fails will not be altered.
+#
+# Args:
+#   None
+startSkipping() { __shunit_skip=${SHUNIT_TRUE}; }
+
+# Resume the normal recording behavior of assert and fail calls.
+#
+# Args:
+#   None
+endSkipping() { __shunit_skip=${SHUNIT_FALSE}; }
+
+# Returns the state of assert and fail call skipping.
+#
+# Args:
+#   None
+# Returns:
+#   boolean: (TRUE/FALSE constant)
+isSkipping() { return ${__shunit_skip}; }
+
+#-----------------------------------------------------------------------------
+# Suite functions.
+#
+
+# Stub. This function should contains all unit test calls to be made.
+#
+# DEPRECATED (as of 2.1.0)
+#
+# This function can be optionally overridden by the user in their test suite.
+#
+# If this function exists, it will be called when shunit2 is sourced. If it
+# does not exist, shunit2 will search the parent script for all functions
+# beginning with the word 'test', and they will be added dynamically to the
+# test suite.
+#
+# This function should be overridden by the user in their unit test suite.
+# Note: see _shunit_mktempFunc() for actual implementation
+#
+# Args:
+#   None
+#suite() { :; }  # DO NOT UNCOMMENT THIS FUNCTION
+
+# Adds a function name to the list of tests schedule for execution.
+#
+# This function should only be called from within the suite() function.
+#
+# Args:
+#   function: string: name of a function to add to current unit test suite
+suite_addTest() {
+  shunit_func_=${1:-}
+
+  __shunit_suite="${__shunit_suite:+${__shunit_suite} }${shunit_func_}"
+  __shunit_testsTotal=`expr ${__shunit_testsTotal} + 1`
+
+  unset shunit_func_
+}
+
+# Stub. This function will be called once before any tests are run.
+#
+# Common one-time environment preparation tasks shared by all tests can be
+# defined here.
+#
+# This function should be overridden by the user in their unit test suite.
+# Note: see _shunit_mktempFunc() for actual implementation
+#
+# Args:
+#   None
+#oneTimeSetUp() { :; }  # DO NOT UNCOMMENT THIS FUNCTION
+
+# Stub. This function will be called once after all tests are finished.
+#
+# Common one-time environment cleanup tasks shared by all tests can be defined
+# here.
+#
+# This function should be overridden by the user in their unit test suite.
+# Note: see _shunit_mktempFunc() for actual implementation
+#
+# Args:
+#   None
+#oneTimeTearDown() { :; }  # DO NOT UNCOMMENT THIS FUNCTION
+
+# Stub. This function will be called before each test is run.
+#
+# Common environment preparation tasks shared by all tests can be defined here.
+#
+# This function should be overridden by the user in their unit test suite.
+# Note: see _shunit_mktempFunc() for actual implementation
+#
+# Args:
+#   None
+#setUp() { :; }  # DO NOT UNCOMMENT THIS FUNCTION
+
+# Note: see _shunit_mktempFunc() for actual implementation
+# Stub. This function will be called after each test is run.
+#
+# Common environment cleanup tasks shared by all tests can be defined here.
+#
+# This function should be overridden by the user in their unit test suite.
+# Note: see _shunit_mktempFunc() for actual implementation
+#
+# Args:
+#   None
+#tearDown() { :; }  # DO NOT UNCOMMENT THIS FUNCTION
+
+#------------------------------------------------------------------------------
+# Internal shUnit2 functions.
+#
+
+# Create a temporary directory to store various run-time files in.
+#
+# This function is a cross-platform temporary directory creation tool. Not all
+# OSes have the `mktemp` function, so one is included here.
+#
+# Args:
+#   None
+# Outputs:
+#   string: the temporary directory that was created
+_shunit_mktempDir() {
+  # Try the standard `mktemp` function.
+  ( exec mktemp -dqt shunit.XXXXXX 2>/dev/null ) && return
+
+  # The standard `mktemp` didn't work. Use our own.
+  # shellcheck disable=SC2039
+  if command [ -r '/dev/urandom' -a -x '/usr/bin/od' ]; then
+    _shunit_random_=`/usr/bin/od -vAn -N4 -tx4 </dev/urandom \
+        |command sed 's/^[^0-9a-f]*//'`
+  elif command [ -n "${RANDOM:-}" ]; then
+    # $RANDOM works
+    _shunit_random_=${RANDOM}${RANDOM}${RANDOM}$$
+  else
+    # `$RANDOM` doesn't work.
+    _shunit_date_=`date '+%Y%m%d%H%M%S'`
+    _shunit_random_=`expr "${_shunit_date_}" / $$`
+  fi
+
+  _shunit_tmpDir_="${TMPDIR:-/tmp}/shunit.${_shunit_random_}"
+  ( umask 077 && command mkdir "${_shunit_tmpDir_}" ) || \
+      _shunit_fatal 'could not create temporary directory! exiting'
+
+  echo "${_shunit_tmpDir_}"
+  unset _shunit_date_ _shunit_random_ _shunit_tmpDir_
+}
+
+# This function is here to work around issues in Cygwin.
+#
+# Args:
+#   None
+_shunit_mktempFunc() {
+  for _shunit_func_ in oneTimeSetUp oneTimeTearDown setUp tearDown suite noexec
+  do
+    _shunit_file_="${__shunit_tmpDir}/${_shunit_func_}"
+    command cat <<EOF >"${_shunit_file_}"
+#! /bin/sh
+exit ${SHUNIT_TRUE}
+EOF
+    command chmod +x "${_shunit_file_}"
+  done
+
+  unset _shunit_file_
+}
+
+# Final cleanup function to leave things as we found them.
+#
+# Besides removing the temporary directory, this function is in charge of the
+# final exit code of the unit test. The exit code is based on how the script
+# was ended (e.g. normal exit, or via Ctrl-C).
+#
+# Args:
+#   name: string: name of the trap called (specified when trap defined)
+_shunit_cleanup() {
+  _shunit_name_=$1
+
+  case "${_shunit_name_}" in
+    EXIT) ;;
+    INT) _shunit_signal_=130 ;;  # 2+128
+    TERM) _shunit_signal_=143 ;;  # 15+128
+    *)
+      _shunit_error "unrecognized trap value (${_shunit_name_})"
+      _shunit_signal_=0
+      ;;
+  esac
+  if command [ "${_shunit_name_}" != 'EXIT' ]; then
+    _shunit_warn "trapped and now handling the (${_shunit_name_}) signal"
+  fi
+
+  # Do our work.
+  if command [ ${__shunit_clean} -eq ${SHUNIT_FALSE} ]; then
+    # Ensure tear downs are only called once.
+    __shunit_clean=${SHUNIT_TRUE}
+
+    tearDown
+    command [ $? -eq ${SHUNIT_TRUE} ] \
+        || _shunit_warn "tearDown() returned non-zero return code."
+    oneTimeTearDown
+    command [ $? -eq ${SHUNIT_TRUE} ] \
+        || _shunit_warn "oneTimeTearDown() returned non-zero return code."
+
+    command rm -fr "${__shunit_tmpDir}"
+  fi
+
+  if command [ "${_shunit_name_}" != 'EXIT' ]; then
+    # Handle all non-EXIT signals.
+    trap - 0  # Disable EXIT trap.
+    exit ${_shunit_signal_}
+  elif command [ ${__shunit_reportGenerated} -eq ${SHUNIT_FALSE} ]; then
+    _shunit_assertFail 'unknown failure encountered running a test'
+    _shunit_generateReport
+    exit ${SHUNIT_ERROR}
+  fi
+
+  unset _shunit_name_ _shunit_signal_
+}
+
+# configureColor based on user color preference.
+#
+# Args:
+#   color: string: color mode (one of `always`, `auto`, or `none`).
+_shunit_configureColor() {
+  _shunit_color_=${SHUNIT_FALSE}  # By default, no color.
+  case $1 in
+    'always') _shunit_color_=${SHUNIT_TRUE} ;;
+    'auto')
+      command [ "`_shunit_colors`" -ge 8 ] && _shunit_color_=${SHUNIT_TRUE}
+      ;;
+    'none') ;;
+    *) _shunit_fatal "unrecognized color option '$1'" ;;
+  esac
+
+  case ${_shunit_color_} in
+    ${SHUNIT_TRUE})
+      __shunit_ansi_none=${__SHUNIT_ANSI_NONE}
+      __shunit_ansi_red=${__SHUNIT_ANSI_RED}
+      __shunit_ansi_green=${__SHUNIT_ANSI_GREEN}
+      __shunit_ansi_yellow=${__SHUNIT_ANSI_YELLOW}
+      __shunit_ansi_cyan=${__SHUNIT_ANSI_CYAN}
+      ;;
+    ${SHUNIT_FALSE})
+      __shunit_ansi_none=''
+      __shunit_ansi_red=''
+      __shunit_ansi_green=''
+      __shunit_ansi_yellow=''
+      __shunit_ansi_cyan=''
+      ;;
+  esac
+
+  unset _shunit_color_ _shunit_tput_
+}
+
+# colors returns the number of supported colors for the TERM.
+_shunit_colors() {
+  _shunit_tput_=`${SHUNIT_CMD_TPUT} colors 2>/dev/null`
+  if command [ $? -eq 0 ]; then
+    echo "${_shunit_tput_}"
+  else
+    echo 16
+  fi
+  unset _shunit_tput_
+}
+
+# The actual running of the tests happens here.
+#
+# Args:
+#   None
+_shunit_execSuite() {
+  for _shunit_test_ in ${__shunit_suite}; do
+    __shunit_testSuccess=${SHUNIT_TRUE}
+
+    # Disable skipping.
+    endSkipping
+
+    # Execute the per-test setup function.
+    setUp
+    command [ $? -eq ${SHUNIT_TRUE} ] \
+        || _shunit_fatal "setup() returned non-zero return code."
+
+    # Execute the test.
+    echo "${__SHUNIT_TEST_PREFIX}${_shunit_test_}"
+    eval "${_shunit_test_}"
+    if command [ $? -ne ${SHUNIT_TRUE} ]; then
+      _shunit_error "${_shunit_test_}() returned non-zero return code."
+      __shunit_testSuccess=${SHUNIT_ERROR}
+      _shunit_incFailedCount
+    fi
+
+    # Execute the per-test tear-down function.
+    tearDown
+    command [ $? -eq ${SHUNIT_TRUE} ] \
+        || _shunit_fatal "tearDown() returned non-zero return code."
+
+    # Update stats.
+    if command [ ${__shunit_testSuccess} -eq ${SHUNIT_TRUE} ]; then
+      __shunit_testsPassed=`expr ${__shunit_testsPassed} + 1`
+    else
+      __shunit_testsFailed=`expr ${__shunit_testsFailed} + 1`
+    fi
+  done
+
+  unset _shunit_test_
+}
+
+# Generates the user friendly report with appropriate OK/FAILED message.
+#
+# Args:
+#   None
+# Output:
+#   string: the report of successful and failed tests, as well as totals.
+_shunit_generateReport() {
+  command [ "${__shunit_reportGenerated}" -eq ${SHUNIT_TRUE} ] && return
+
+  _shunit_ok_=${SHUNIT_TRUE}
+
+  # If no exit code was provided, determine an appropriate one.
+  command [ "${__shunit_testsFailed}" -gt 0 \
+      -o ${__shunit_testSuccess} -eq ${SHUNIT_FALSE} ] \
+          && _shunit_ok_=${SHUNIT_FALSE}
+
+  echo
+  _shunit_msg_="Ran ${__shunit_ansi_cyan}${__shunit_testsTotal}${__shunit_ansi_none}"
+  if command [ "${__shunit_testsTotal}" -eq 1 ]; then
+    ${__SHUNIT_CMD_ECHO_ESC} "${_shunit_msg_} test."
+  else
+    ${__SHUNIT_CMD_ECHO_ESC} "${_shunit_msg_} tests."
+  fi
+
+  if command [ ${_shunit_ok_} -eq ${SHUNIT_TRUE} ]; then
+    _shunit_msg_="${__shunit_ansi_green}OK${__shunit_ansi_none}"
+    command [ "${__shunit_assertsSkipped}" -gt 0 ] \
+        && _shunit_msg_="${_shunit_msg_} (${__shunit_ansi_yellow}skipped=${__shunit_assertsSkipped}${__shunit_ansi_none})"
+  else
+    _shunit_msg_="${__shunit_ansi_red}FAILED${__shunit_ansi_none}"
+    _shunit_msg_="${_shunit_msg_} (${__shunit_ansi_red}failures=${__shunit_assertsFailed}${__shunit_ansi_none}"
+    command [ "${__shunit_assertsSkipped}" -gt 0 ] \
+        && _shunit_msg_="${_shunit_msg_},${__shunit_ansi_yellow}skipped=${__shunit_assertsSkipped}${__shunit_ansi_none}"
+    _shunit_msg_="${_shunit_msg_})"
+  fi
+
+  echo
+  ${__SHUNIT_CMD_ECHO_ESC} "${_shunit_msg_}"
+  __shunit_reportGenerated=${SHUNIT_TRUE}
+
+  unset _shunit_msg_ _shunit_ok_
+}
+
+# Test for whether a function should be skipped.
+#
+# Args:
+#   None
+# Returns:
+#   boolean: whether the test should be skipped (TRUE/FALSE constant)
+_shunit_shouldSkip() {
+  command [ ${__shunit_skip} -eq ${SHUNIT_FALSE} ] && return ${SHUNIT_FALSE}
+  _shunit_assertSkip
+}
+
+# Records a successful test.
+#
+# Args:
+#   None
+_shunit_assertPass() {
+  __shunit_assertsPassed=`expr ${__shunit_assertsPassed} + 1`
+  __shunit_assertsTotal=`expr ${__shunit_assertsTotal} + 1`
+}
+
+# Records a test failure.
+#
+# Args:
+#   message: string: failure message to provide user
+_shunit_assertFail() {
+  __shunit_testSuccess=${SHUNIT_FALSE}
+  _shunit_incFailedCount
+
+  \[ $# -gt 0 ] && ${__SHUNIT_CMD_ECHO_ESC} \
+      "${__shunit_ansi_red}ASSERT:${__shunit_ansi_none}$*"
+}
+
+# Increment the count of failed asserts.
+#
+# Args:
+#   none
+_shunit_incFailedCount() {
+  __shunit_assertsFailed=`expr "${__shunit_assertsFailed}" + 1`
+  __shunit_assertsTotal=`expr "${__shunit_assertsTotal}" + 1`
+}
+
+
+# Records a skipped test.
+#
+# Args:
+#   None
+_shunit_assertSkip() {
+  __shunit_assertsSkipped=`expr "${__shunit_assertsSkipped}" + 1`
+  __shunit_assertsTotal=`expr "${__shunit_assertsTotal}" + 1`
+}
+
+# Prepare a script filename for sourcing.
+#
+# Args:
+#   script: string: path to a script to source
+# Returns:
+#   string: filename prefixed with ./ (if necessary)
+_shunit_prepForSourcing() {
+  _shunit_script_=$1
+  case "${_shunit_script_}" in
+    /*|./*) echo "${_shunit_script_}" ;;
+    *) echo "./${_shunit_script_}" ;;
+  esac
+  unset _shunit_script_
+}
+
+# Escape a character in a string.
+#
+# Args:
+#   c: string: unescaped character
+#   s: string: to escape character in
+# Returns:
+#   string: with escaped character(s)
+_shunit_escapeCharInStr() {
+  command [ -n "$2" ] || return  # No point in doing work on an empty string.
+
+  # Note: using shorter variable names to prevent conflicts with
+  # _shunit_escapeCharactersInString().
+  _shunit_c_=$1
+  _shunit_s_=$2
+
+  # Escape the character.
+  # shellcheck disable=SC1003,SC2086
+  echo ''${_shunit_s_}'' |command sed 's/\'${_shunit_c_}'/\\\'${_shunit_c_}'/g'
+
+  unset _shunit_c_ _shunit_s_
+}
+
+# Escape a character in a string.
+#
+# Args:
+#   str: string: to escape characters in
+# Returns:
+#   string: with escaped character(s)
+_shunit_escapeCharactersInString() {
+  command [ -n "$1" ] || return  # No point in doing work on an empty string.
+
+  _shunit_str_=$1
+
+  # Note: using longer variable names to prevent conflicts with
+  # _shunit_escapeCharInStr().
+  for _shunit_char_ in '"' '$' "'" '`'; do
+    _shunit_str_=`_shunit_escapeCharInStr "${_shunit_char_}" "${_shunit_str_}"`
+  done
+
+  echo "${_shunit_str_}"
+  unset _shunit_char_ _shunit_str_
+}
+
+# Extract list of functions to run tests against.
+#
+# Args:
+#   script: string: name of script to extract functions from
+# Returns:
+#   string: of function names
+_shunit_extractTestFunctions() {
+  _shunit_script_=$1
+
+  # Extract the lines with test function names, strip of anything besides the
+  # function name, and output everything on a single line.
+  _shunit_regex_='^\s*((function test[A-Za-z0-9_-]*)|(test[A-Za-z0-9_-]* *\(\)))'
+  # shellcheck disable=SC2196
+  egrep "${_shunit_regex_}" "${_shunit_script_}" \
+  |command sed 's/^[^A-Za-z0-9_-]*//;s/^function //;s/\([A-Za-z0-9_-]*\).*/\1/g' \
+  |xargs
+
+  unset _shunit_regex_ _shunit_script_
+}
+
+#------------------------------------------------------------------------------
+# Main.
+#
+
+# Determine the operating mode.
+if command [ $# -eq 0 -o "${1:-}" = '--' ]; then
+  __shunit_script=${__SHUNIT_PARENT}
+  __shunit_mode=${__SHUNIT_MODE_SOURCED}
+else
+  __shunit_script=$1
+  command [ -r "${__shunit_script}" ] || \
+      _shunit_fatal "unable to read from ${__shunit_script}"
+  __shunit_mode=${__SHUNIT_MODE_STANDALONE}
+fi
+
+# Create a temporary storage location.
+__shunit_tmpDir=`_shunit_mktempDir`
+
+# Provide a public temporary directory for unit test scripts.
+# TODO(kward): document this.
+SHUNIT_TMPDIR="${__shunit_tmpDir}/tmp"
+command mkdir "${SHUNIT_TMPDIR}"
+
+# Setup traps to clean up after ourselves.
+trap '_shunit_cleanup EXIT' 0
+trap '_shunit_cleanup INT' 2
+trap '_shunit_cleanup TERM' 15
+
+# Create phantom functions to work around issues with Cygwin.
+_shunit_mktempFunc
+PATH="${__shunit_tmpDir}:${PATH}"
+
+# Make sure phantom functions are executable. This will bite if `/tmp` (or the
+# current `$TMPDIR`) points to a path on a partition that was mounted with the
+# 'noexec' option. The noexec command was created with `_shunit_mktempFunc()`.
+noexec 2>/dev/null || _shunit_fatal \
+    'Please declare TMPDIR with path on partition with exec permission.'
+
+# We must manually source the tests in standalone mode.
+if command [ "${__shunit_mode}" = "${__SHUNIT_MODE_STANDALONE}" ]; then
+  # shellcheck disable=SC1090
+  command . "`_shunit_prepForSourcing \"${__shunit_script}\"`"
+fi
+
+# Configure default output coloring behavior.
+_shunit_configureColor "${SHUNIT_COLOR}"
+
+# Execute the oneTimeSetUp function (if it exists).
+oneTimeSetUp
+command [ $? -eq ${SHUNIT_TRUE} ] \
+    || _shunit_fatal "oneTimeSetUp() returned non-zero return code."
+
+# Command line selected tests or suite selected tests
+if command [ "$#" -ge 2 ]; then
+  # Argument $1 is either the filename of tests or '--'; either way, skip it.
+  shift
+  # Remaining arguments ($2 .. $#) are assumed to be test function names.
+  # Interate through all remaining args in "$@" in a POSIX (likely portable) way.
+  # Helpful tip: https://unix.stackexchange.com/questions/314032/how-to-use-arguments-like-1-2-in-a-for-loop
+  for _shunit_arg_ do
+    suite_addTest "${_shunit_arg_}"
+  done
+  unset _shunit_arg_
+else
+  # Execute the suite function defined in the parent test script.
+  # DEPRECATED as of 2.1.0.
+  suite
+fi
+
+# If no tests or suite specified, dynamically build a list of functions.
+if command [ -z "${__shunit_suite}" ]; then
+  shunit_funcs_=`_shunit_extractTestFunctions "${__shunit_script}"`
+  for shunit_func_ in ${shunit_funcs_}; do
+    suite_addTest "${shunit_func_}"
+  done
+fi
+unset shunit_func_ shunit_funcs_
+
+# Execute the suite of unit tests.
+_shunit_execSuite
+
+# Execute the oneTimeTearDown function (if it exists).
+oneTimeTearDown
+command [ $? -eq ${SHUNIT_TRUE} ] \
+    || _shunit_fatal "oneTimeTearDown() returned non-zero return code."
+
+# Generate a report summary.
+_shunit_generateReport
+
+# That's it folks.
+command [ "${__shunit_testsFailed}" -eq 0 ]
+exit $?