package stringutils2 import ( "testing" ) func TestSortedString(t *testing.T) { input := []string{"Go", "Bravo", "Gopher", "Alpha", "Grin", "Delta"} // Alpha Bravo Delta Go Gopher Grin // 0 1 2 3 4 5 ss := NewSortedStrings(input) cases := []struct { Needle string Index int Want bool }{ {"Go", 3, true}, {"Bravo", 1, true}, {"Gopher", 4, true}, {"Alpha", 0, true}, {"Grin", 5, true}, {"Delta", 2, true}, {"Go1", 4, false}, {"G", 3, false}, {"A", 0, false}, {"T", 6, false}, } for _, c := range cases { idx, find := ss.Index(c.Needle) if idx != c.Index || find != c.Want { t.Errorf("%s: want: %d %v got: %d %v", c.Needle, c.Index, c.Want, idx, find) } } } func TestSplitStrings(t *testing.T) { input := []string{"Go", "Bravo", "Gopher", "Alpha", "Grin", "Delta"} input2 := []string{"Go2", "Bravo", "Gopher", "Alpha1", "Grin", "Delt"} ss1 := NewSortedStrings(input) ss2 := NewSortedStrings(input2) a, b, c := Split(ss1, ss2) t.Logf("A: %s", ss1) t.Logf("B: %s", ss2) t.Logf("A-B: %s", a) t.Logf("AnB: %s", b) t.Logf("B-A: %s", c) } func TestMergeStrings(t *testing.T) { input := []string{"Go", "Bravo", "Gopher", "Alpha", "Grin", "Delta"} input2 := []string{"Go2", "Bravo", "Gopher", "Alpha1", "Grin", "Delt"} ss1 := NewSortedStrings(input) ss2 := NewSortedStrings(input2) m := Merge(ss1, ss2) t.Logf("A: %s", ss1) t.Logf("B: %s", ss2) t.Logf("%s", m) }