diff --git a/src/test/resources/samples/measurements-rounding-baseline.out b/src/test/resources/samples/measurements-rounding-baseline.out
new file mode 100644
index 000000000..0c6e935d3
--- /dev/null
+++ b/src/test/resources/samples/measurements-rounding-baseline.out
@@ -0,0 +1 @@
+{Rounding=14.6/25.4/33.6}
diff --git a/src/test/resources/samples/measurements-rounding-baseline.txt b/src/test/resources/samples/measurements-rounding-baseline.txt
new file mode 100644
index 000000000..f7c18a679
--- /dev/null
+++ b/src/test/resources/samples/measurements-rounding-baseline.txt
@@ -0,0 +1,4 @@
+Rounding;33.6
+Rounding;31.7
+Rounding;21.9
+Rounding;14.6
diff --git a/src/test/resources/samples/measurements-rounding-precise.out b/src/test/resources/samples/measurements-rounding-precise.out
new file mode 100644
index 000000000..0cb7c659f
--- /dev/null
+++ b/src/test/resources/samples/measurements-rounding-precise.out
@@ -0,0 +1 @@
+{Rounding=14.6/25.5/33.6}
diff --git a/src/test/resources/samples/measurements-rounding-precise.txt b/src/test/resources/samples/measurements-rounding-precise.txt
new file mode 100644
index 000000000..f7c18a679
--- /dev/null
+++ b/src/test/resources/samples/measurements-rounding-precise.txt
@@ -0,0 +1,4 @@
+Rounding;33.6
+Rounding;31.7
+Rounding;21.9
+Rounding;14.6
diff --git a/test.sh b/test.sh
index 4bec03641..8c9f2578d 100755
--- a/test.sh
+++ b/test.sh
@@ -22,7 +22,7 @@ if [ -z "$1" ]; then
   exit 1
 fi
 
-for sample in $(ls src/test/resources/samples/*.txt); do
+for sample in $(ls "$2"); do
   echo "Validating calculate_average_$1.sh -- $sample"
 
   rm -f measurements.txt
diff --git a/test_all.sh b/test_all.sh
index e1141d7b2..03dead842 100755
--- a/test_all.sh
+++ b/test_all.sh
@@ -21,7 +21,7 @@ for impl in $(ls calculate_average_*.sh | sort); do
   noext="${impl%%.sh}"
   name=${noext##calculate_average_}
 
-  if output=$(./test.sh "$name" 2>&1); then
+  if output=$(./test.sh "$name" "$1" 2>&1); then
     echo "PASS $name"
   else
     echo "FAIL $name"