initial unit test

2 files changed, 14 insertions, 1 deletions

diff --git a/internal/file/file.go b/internal/file/file.go
index 7d9d7e8..513212b 100644
--- a/internal/file/file.go
+++ b/internal/file/file.go
@@ -155,6 +155,5 @@ func (f pathnameFile) String() string {
 
 // As data comes in from arrays, converted to slices, there will be null-bytes at the end..
 func stringValue(byteStr []byte) string {
-	// TODO: Hopefully, this won't cause a panic when the filename is as long as the array itself. Unit test this!
 	return string(byteStr[:bytes.IndexByte(byteStr, 0)])
 }
diff --git a/internal/file/file_test.go b/internal/file/file_test.go
new file mode 100644
index 0000000..dc59738
--- /dev/null
+++ b/internal/file/file_test.go
@@ -0,0 +1,14 @@
+package file
+
+import (
+	"testing"
+)
+
+func TestStringValue(t *testing.T) {
+	var array [128]byte
+	copy(array[:], "test string")
+
+	if str := stringValue(array[:]); str != "test string" {
+		t.Errorf("epxected 'test string' but got '%s' with bytes '%v'", str, []byte(str))
+	}
+}