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package lv
import (
"strings"
"testing"
)
func TestWith(t *testing.T) {
var a LabelValues
b := a.With("a", "1")
c := a.With("b", "2", "c", "3")
if want, have := "", strings.Join(a, ""); want != have {
t.Errorf("With appears to mutate the original LabelValues: want %q, have %q", want, have)
}
if want, have := "a1", strings.Join(b, ""); want != have {
t.Errorf("With does not appear to return the right thing: want %q, have %q", want, have)
}
if want, have := "b2c3", strings.Join(c, ""); want != have {
t.Errorf("With does not appear to return the right thing: want %q, have %q", want, have)
}
}
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