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package cli
import "testing"
var lexicographicLessTests = []struct {
i string
j string
expected bool
}{
{"", "a", true},
{"a", "", false},
{"a", "a", false},
{"a", "A", false},
{"A", "a", true},
{"aa", "a", false},
{"a", "aa", true},
{"a", "b", true},
{"a", "B", true},
{"A", "b", true},
{"A", "B", true},
}
func TestLexicographicLess(t *testing.T) {
for _, test := range lexicographicLessTests {
actual := lexicographicLess(test.i, test.j)
if test.expected != actual {
t.Errorf(`expected string "%s" to come before "%s"`, test.i, test.j)
}
}
}
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