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package errs
import (
"fmt"
"strings"
"testing"
)
func TestGroup(t *testing.T) {
alpha := New("alpha")
beta := New("beta")
var group Group
group.Add(nil, nil, nil)
if group.Err() != nil {
t.Fatal("expected nil")
}
group.Add(alpha)
if group.Err() != alpha {
t.Fatal("expected alpha")
}
group.Add(nil, beta)
if group.Err().Error() != "alpha; beta" {
t.Fatal("expected \"group: alpha; beta\"")
}
if fmt.Sprintf("%v", group.Err()) != "alpha; beta" {
t.Fatal("expected \"group: alpha; beta\"")
}
if strings.Count(fmt.Sprintf("%+v", group.Err()), "\n") <= 1 {
t.Fatal("expected multiple lines with +v")
}
t.Logf("%%v:\n%v", group.Err())
t.Logf("%%+v:\n%+v", group.Err())
if Unwrap(group.Err()) != Unwrap(alpha) {
t.Fatal("expected alpha")
}
}
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