diff --git a/regularfile_test.go b/regularfile_test.go
new file mode 100644
index 0000000..591c641
--- /dev/null
+++ b/regularfile_test.go
@@ -0,0 +1,253 @@
+package strfs_test
+
+import (
+	"github.com/reiver/go-strfs"
+
+	"io"
+	"io/fs"
+	"time"
+
+	"testing"
+)
+
+func TestRegularFile(t *testing.T) {
+
+	tests := []struct{
+		FileContent string
+		FileName    string
+		FileModTime time.Time
+	}{
+		{
+			FileContent: "",
+			FileName:    "empty.txt",
+			FileModTime: time.Now(),
+		},
+
+
+
+		{
+			FileContent: "once",
+			FileName:    "file1.txt",
+			FileModTime: time.Date(2022, 12, 12, 10, 30, 14, 2, time.UTC),
+		},
+		{
+			FileContent: "once twice",
+			FileName:    "file2.html",
+			FileModTime: time.Date(1984, 01, 14, 9, 10, 11, 12, time.Local),
+		},
+		{
+			FileContent: "once twice thrice",
+			FileName:    "file3.gmni",
+			FileModTime: time.Date(1974, 12, 18, 4, 5, 6, 7, time.Local),
+		},
+		{
+			FileContent: "once twice thrice fource",
+			FileName:    "file4.fngr",
+		},
+	}
+
+
+	for testNumber, test := range tests {
+
+		var regularfile strfs.RegularFile
+		{
+			fileinfo, err := regularfile.Stat()
+			if nil == err {
+				t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+			if expected, actual := "empty content", err.Error(); expected != actual {
+				t.Errorf("For test #%d, the actual error is not what was expected.", testNumber)
+				t.Logf("EXPECTED ERROR: %q", expected)
+				t.Logf("ACTUAL ERR: %q", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+			if nil != fileinfo {
+				t.Errorf("For test #%d, expected returned fileinfo to be nil but actually wasn't.", testNumber)
+				t.Logf("FILEINFO: %#v", fileinfo)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+				continue
+			}
+		}
+		{
+			var b [1]byte
+			var p []byte = b[:]
+
+			n, err := regularfile.Read(p)
+			if expected, actual := 0, n; expected != actual {
+				t.Errorf("For test #%d, the actual number-of-bytes read is not what was expected.", testNumber)
+				t.Logf("EXPECTED NUMBER-BYTES-READ: %d", expected)
+				t.Logf("ACTUAL   NUMBER-BYTES-READ: %d", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+			if nil == err {
+				t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+			if expected, actual := "closed", err.Error(); expected != actual {
+				t.Errorf("For test #%d, the actual error is not what was expected.", testNumber)
+				t.Logf("EXPECTED ERROR: %q", expected)
+				t.Logf("ACTUAL ERR: %q", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+		{
+			regularfile = strfs.RegularFile{
+				FileContent: strfs.CreateContent(test.FileContent),
+				FileName:    test.FileName,
+				FileModTime: test.FileModTime,
+			}
+		}
+
+		var file fs.File = &regularfile
+		if nil == file {
+			t.Errorf("For test #%d, did not expect file to be nil but actually was.", testNumber)
+			t.Logf("REGULARFILE-NAME: %q", test.FileName)
+			t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+			t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+			continue
+		}
+
+		{
+			actualBytes, err := io.ReadAll(file)
+			if nil != err {
+				t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
+				t.Logf("ERROR: (%T) %s", err, err)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+
+			var actual   string = string(actualBytes)
+			var expected string = test.FileContent
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual file-content is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-CONTENT: %q", expected)
+				t.Logf("ACTUAL   FILE-CONTENT: %q", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		var fileinfo fs.FileInfo
+		{
+			var err error
+
+			fileinfo, err = file.Stat()
+			if nil != err {
+				t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber)
+				t.Logf("ERROR: (%T) %s", err, err)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+			if nil == fileinfo {
+				t.Errorf("For test #%d, did not expect file-info to be nil but actually was.", testNumber)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		{
+			var expected string = test.FileName
+			var actual   string = fileinfo.Name()
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual file-name is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-NAME: %q", expected)
+				t.Logf("ACTUAL   FILE-NAME: %q", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		{
+			var expected int64 = int64(len(test.FileContent))
+			var actual   int64 = fileinfo.Size()
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual file-size is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-SIZE: %d", expected)
+				t.Logf("ACTUAL   FILE-SIZE: %d", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		{
+			const modeRegularFile = 0
+
+			var expected fs.FileMode = modeRegularFile
+			var actual   fs.FileMode = fileinfo.Mode()
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual file-mode is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-MODE: %d", expected)
+				t.Logf("ACTUAL   FILE-MODE: %d", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		{
+			var expected bool = false
+			var actual   bool = fileinfo.IsDir()
+
+			if expected != actual {
+				t.Errorf("For test #%d, the actual file-is-directory is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-MODE: %t", expected)
+				t.Logf("ACTUAL   FILE-MODE: %t", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+
+		{
+			var expected time.Time = test.FileModTime
+			var actual   time.Time = fileinfo.ModTime()
+
+			if !expected.Equal(actual) {
+				t.Errorf("For test #%d, the actual mod-time is not what was expected.", testNumber)
+				t.Logf("EXPECTED FILE-MOD-TIME: %v", expected)
+				t.Logf("ACTUAL   FILE-MOD-TIME: %v", actual)
+				t.Logf("REGULARFILE-NAME: %q", test.FileName)
+				t.Logf("REGULARFILE-MODTIME: %v", test.FileModTime)
+				t.Logf("REGULARFILE-CONTENT: %q", test.FileContent)
+				continue
+			}
+		}
+	}
+}