format: idxfile sorted entries

1 files changed, 20 insertions, 1 deletions

diff --git a/formats/idxfile/encoder_test.go b/formats/idxfile/encoder_test.go
index 11ecaee..380b8e8 100644
--- a/formats/idxfile/encoder_test.go
+++ b/formats/idxfile/encoder_test.go
@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 
 	. "gopkg.in/check.v1"
+	"gopkg.in/src-d/go-git.v4/core"
 	"gopkg.in/src-d/go-git.v4/fixtures"
 )
 
@@ -13,7 +14,25 @@ func (s *IdxfileSuite) SetUpSuite(c *C) {
 }
 
 func (s *IdxfileSuite) TestEncode(c *C) {
-	fixtures.All().Test(c, func(f *fixtures.Fixture) {
+	expected := &Idxfile{}
+	expected.Add(core.NewHash("4bfc730165c370df4a012afbb45ba3f9c332c0d4"), 82, 82)
+	expected.Add(core.NewHash("8fa2238efdae08d83c12ee176fae65ff7c99af46"), 42, 42)
+
+	buf := bytes.NewBuffer(nil)
+	e := NewEncoder(buf)
+	_, err := e.Encode(expected)
+	c.Assert(err, IsNil)
+
+	idx := &Idxfile{}
+	d := NewDecoder(buf)
+	err = d.Decode(idx)
+	c.Assert(err, IsNil)
+
+	c.Assert(idx.Entries, DeepEquals, expected.Entries)
+}
+
+func (s *IdxfileSuite) TestDecodeEncode(c *C) {
+	fixtures.ByTag("packfile").Test(c, func(f *fixtures.Fixture) {
 		expected, err := ioutil.ReadAll(f.Idx())
 		c.Assert(err, IsNil)