1 files changed, 51 insertions, 0 deletions
diff --git a/tests/dedo.go b/tests/dedo.go
index 94f34de..719194e 100644
--- a/tests/dedo.go
+++ b/tests/dedo.go
@@ -25,8 +25,57 @@ import (
 	"testing/quick"
 	"time"
 	"unsafe"
+
+	g "gobang"
 )
 
+
+
+func test_openFile() {
+	g.TestStart("openFile()")
+
+	g.Testing("error when parent directory does not exist", func() {
+		path := tempfile() + tempfile()
+		defer os.Remove(path)
+
+		_, err := openFile(path)
+		g.TErrorNil(err)
+	})
+
+	g.Testing("success when file doesn't exist yet", func() {
+		path := tempfile()
+		defer os.Remove(path)
+
+		file, err := openFile(path)
+		defer file.Close()
+		g.TErrorIf(err)
+	})
+
+	g.Testing("success when file is read/write", func() {
+		path := tempfile()
+		defer os.Remove(path)
+
+		file, err := os.OpenFile(path, os.O_CREATE, 0o600)
+		g.TErrorIf(err)
+		file.Close()
+
+		_, err = openFile(path)
+		g.TErrorIf(err)
+	})
+
+	g.Testing("success when file is read-only", func() {
+		path := tempfile()
+		defer os.Remove(path)
+
+		file, err := os.OpenFile(path, os.O_CREATE, 0o400)
+		g.TErrorIf(err)
+		file.Close()
+
+		_, err = openFile(path)
+		g.TErrorIf(err)
+	})
+}
+
 // Ensure that a bucket that gets a non-existent key returns nil.
 func TestBucket_Get_NonExistent(t *testing.T) {
 	db := MustOpenDB()
@@ -6211,6 +6260,8 @@ func walkBucket(parent *Bucket, k []byte, v []byte, w io.Writer) error {
 func MainTest() {
 	tempdir = getTempdir()
 
+	test_openFile()
+
 	tests := []testing.InternalTest{
 		{ "TestBucket_Get_NonExistent", TestBucket_Get_NonExistent },
 		{ "TestBucket_Get_FromNode", TestBucket_Get_FromNode },