From 2a6c94abcb38a48f98c1393742a65232edc3c07f Mon Sep 17 00:00:00 2001
From: Silvan Jegen <s.jegen@gmail.com>
Date: Sun, 2 Dec 2018 15:35:44 +0100
Subject: Initial commit

---
 dirname.test   | 20 ++++++++++++++++++++
 runalltests    | 12 ++++++++++++
 test-common.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+)
 create mode 100755 dirname.test
 create mode 100755 runalltests
 create mode 100644 test-common.sh

diff --git a/dirname.test b/dirname.test
new file mode 100755
index 0000000..3bc45ca
--- /dev/null
+++ b/dirname.test
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. ./test-common.sh
+
+#            "test name"       "command to execute" "expected output"
+check_stdout "dirname-noarg"   "../dirname"         "" && \
+check_stderr "dirname-noarg-stderr" "../dirname" "usage: ../dirname path\n" && \
+check_stdout "dirname-non-existing" "../dirname a b c" "" && \
+check_stdout "dirname-slash" "../dirname /" "/\n" && \
+check_stdout "dirname-dashes-slash" "../dirname -- /" "/\n" && \
+check_stdout "dirname-dashes-slash-a" "../dirname -- /a" "/\n"  && \
+check_stdout "dirname-doublequotes" "../dirname \"\"" ".\n" && \
+check_stdout "dirname-slashes" "../dirname ///" "/\n" && \
+check_stdout "dirname-a/b" "../dirname a/b" "a\n" && \
+check_stdout "dirname-a/b/" "../dirname a/b/" "a\n" && \
+check_stdout "dirname-a/b//" "../dirname a/b//" "a\n" && \
+check_stdout "dirname-a" "../dirname a" ".\n" && \
+check_stdout "dirname-a/" "../dirname a/" ".\n" && \
+check_stdout "dirname-/a/b/c" "../dirname /a/b/c" "/a/b\n" && \
+check_stdout "dirname-//a/b/c" "../dirname //a/b/c" "//a/b\n"
diff --git a/runalltests b/runalltests
new file mode 100755
index 0000000..99270c8
--- /dev/null
+++ b/runalltests
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+for testfile in *.test; do
+	./$testfile
+	ret=$(expr $ret + $?)
+done
+
+if [ $ret -gt 0 ]; then
+	printf "%d tests failed\n" $ret
+fi
+
+exit $ret
diff --git a/test-common.sh b/test-common.sh
new file mode 100644
index 0000000..b1d7572
--- /dev/null
+++ b/test-common.sh
@@ -0,0 +1,42 @@
+check_output() {
+	testname=$1
+	cmdtorun=$2
+	expectedoutput=$3
+	usestdout=$4
+	expoutfile=$(mktemp)
+	actualoutfile=$(mktemp)
+	ret=0
+
+	printf "$expectedoutput" > $expoutfile
+	if [ $usestdout -eq 1 ]; then
+		eval $cmdtorun > $actualoutfile 2> /dev/null
+	else
+		eval $cmdtorun 2> $actualoutfile 1> /dev/null
+	fi
+
+	cmp $expoutfile $actualoutfile  2>&1 > /dev/null
+	if [ $? -eq 1 ]; then
+		printf "$testname:\n"
+		printf "\tWanted:\n"
+		cat $expoutfile
+		printf "\n\tGot:\n"
+		cat $actualoutfile
+		printf "\n\n"
+		ret=1
+	fi
+	if [ $? -eq 2 ]; then
+		printf "cmp error\n"
+		ret=1
+	fi
+
+	rm $expoutfile $actualoutfile
+	return $ret
+}
+
+check_stdout() {
+	check_output "$1" "$2" "$3" 1
+}
+
+check_stderr() {
+	check_output "$1" "$2" "$3" 0
+}
-- 
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