boot v2 progress: disks, ssh, success...

filter_test.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+    "fmt"
+    "testing"
+)
+
+func TestFilter(t*testing.T) {
+    a := filter([]string{"a","b","c"}, func(v string) bool { return v != "b" })
+    if fmt.Sprint(a) != "[a c]" {
+        t.Errorf("bad result: %v", a)
+    }
+}