1// Copyright 2020 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package str
6
7import (
8	"testing"
9)
10
11var foldDupTests = []struct {
12	list   []string
13	f1, f2 string
14}{
15	{StringList("math/rand", "math/big"), "", ""},
16	{StringList("math", "strings"), "", ""},
17	{StringList("strings"), "", ""},
18	{StringList("strings", "strings"), "strings", "strings"},
19	{StringList("Rand", "rand", "math", "math/rand", "math/Rand"), "Rand", "rand"},
20}
21
22func TestFoldDup(t *testing.T) {
23	for _, tt := range foldDupTests {
24		f1, f2 := FoldDup(tt.list)
25		if f1 != tt.f1 || f2 != tt.f2 {
26			t.Errorf("foldDup(%q) = %q, %q, want %q, %q", tt.list, f1, f2, tt.f1, tt.f2)
27		}
28	}
29}
30