Fix left-most diff cases.

[lightning.git] / hgvs / diff_test.go

diff --git a/hgvs/diff_test.go b/hgvs/diff_test.go
index a5e861e35a4b605851616417147f05001dec4553..10acdb772c64c65fad369e8abad0a33a3afc15cf 100644 (file)
--- a/hgvs/diff_test.go
+++ b/hgvs/diff_test.go
@@ -148,6 +148,28 @@ func (s *diffSuite) TestDiff(c *check.C) {
                        b:      "tcGCcggac",
                        expect: []string{"3A>G", "4T>C", "7del"},
                },
+               {
+                       // should delete leftmost
+                       a:      "acgacaTTtttacac",
+                       b:      "acgacatttacac",
+                       expect: []string{"7_8del"},
+               },
+               {
+                       // should insert leftmost
+                       a:      "acgacatttacac",
+                       b:      "acgacaTTtttacac",
+                       expect: []string{"6_7insTT"},
+               },
+               {
+                       a:      "ccccaGATAtat",
+                       b:      "ccccatat",
+                       expect: []string{"6_9del"},
+               },
+               {
+                       a:      "aGATAtat",
+                       b:      "atat",
+                       expect: []string{"2_5del"},
+               },
        } {
                c.Log(trial)
                var vars []string