1 files changed, 25 insertions, 0 deletions
diff --git a/skate/zippy_test.go b/skate/zippy_test.go
new file mode 100644
index 0000000..49f4a54
--- /dev/null
+++ b/skate/zippy_test.go
@@ -0,0 +1,25 @@
+package skate
+
+import "testing"
+
+func TestLineColumn(t *testing.T) {
+	var cases = []struct {
+		line   string
+		sep    string
+		column int
+		result string
+	}{
+		{"", "", 2, ""},
+		{"1 2 3", " ", 1, "1"},
+		{"1 2 3", " ", 2, "2"},
+		{"1 2 3", " ", 3, "3"},
+		{"1 2 3", " ", 4, ""},
+		{"1 2 3", "\t", 1, "1 2 3"},
+	}
+	for _, c := range cases {
+		result := lineColumn(c.line, c.sep, c.column)
+		if result != c.result {
+			t.Fatalf("got %v, want %v", result, c.result)
+		}
+	}
+}