mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
17 lines
387 B
Go
17 lines
387 B
Go
package ioutils
|
|
|
|
import "testing"
|
|
|
|
func TestFprintfIfNotEmpty(t *testing.T) {
|
|
wc := NewWriteCounter(&NopWriter{})
|
|
n, _ := FprintfIfNotEmpty(wc, "foo%s", "")
|
|
|
|
if wc.Count != 0 || n != 0 {
|
|
t.Errorf("Wrong count: %v vs. %v vs. 0", wc.Count, n)
|
|
}
|
|
|
|
n, _ = FprintfIfNotEmpty(wc, "foo%s", "bar")
|
|
if wc.Count != 6 || n != 6 {
|
|
t.Errorf("Wrong count: %v vs. %v vs. 6", wc.Count, n)
|
|
}
|
|
}
|