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package assertions
import "fmt"
const (
success = ""
needExactValues = "This assertion requires exactly %d comparison values (you provided %d)."
needNonEmptyCollection = "This assertion requires at least 1 comparison value (you provided 0)."
needFewerValues = "This assertion allows %d or fewer comparison values (you provided %d)."
)
func need(needed int, expected []interface{}) string {
if len(expected) != needed {
return fmt.Sprintf(needExactValues, needed, len(expected))
}
return success
}
func atLeast(minimum int, expected []interface{}) string {
if len(expected) < minimum {
return needNonEmptyCollection
}
return success
}
func atMost(max int, expected []interface{}) string {
if len(expected) > max {
return fmt.Sprintf(needFewerValues, max, len(expected))
}
return success
}
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