1// Copyright 2015, Joe Tsai. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE.md file.
4
5package brotli
6
7import "testing"
8
9func TestTransform(t *testing.T) {
10	vectors := []struct {
11		id     int
12		input  string
13		output string
14	}{
15		{id: 0, input: "Hello, world!", output: "Hello, world!"},
16		{id: 23, input: "groups of", output: "groups"},
17		{id: 42, input: "s for the ", output: "s for "},
18		{id: 48, input: "presentation", output: "prese"},
19		{id: 56, input: "maintenance", output: "maint"},
20		{id: 23, input: "Alexandria", output: "Alexand"},
21		{id: 23, input: "archives", output: "archi"},
22		{id: 49, input: "fighty", output: "fighting "},
23		{id: 49, input: "12", output: "1ing "},
24		{id: 49, input: "1", output: "ing "},
25		{id: 49, input: "", output: "ing "},
26		{id: 64, input: "123456789a", output: "1"},
27		{id: 64, input: "123456789", output: ""},
28		{id: 64, input: "1", output: ""},
29		{id: 64, input: "", output: ""},
30		{id: 3, input: "afloat", output: "float"},
31		{id: 3, input: "12", output: "2"},
32		{id: 3, input: "1", output: ""},
33		{id: 3, input: "", output: ""},
34		{id: 54, input: "123456789a", output: "a"},
35		{id: 54, input: "123456789", output: ""},
36		{id: 54, input: "1", output: ""},
37		{id: 54, input: "", output: ""},
38		{id: 73, input: "", output: " the  of the "},
39		{id: 73, input: "dichlorodifluoromethanes", output: " the dichlorodifluoromethanes of the "},
40		{id: 15, input: "", output: "  "},
41		{id: 15, input: "meow", output: " Meow "},
42		{id: 15, input: "-scale", output: " -scale "},
43		{id: 15, input: "почти", output: " Почти "},
44		{id: 15, input: "互联网", output: " 亗联网 "},
45		{id: 119, input: "", output: " ='"},
46		{id: 119, input: "meow", output: " MEOW='"},
47		{id: 119, input: "-scale", output: " -SCALE='"},
48		{id: 119, input: "почти", output: " ПОѧѢИ='"},
49		{id: 119, input: "互联网", output: " 亗聑罔='"},
50	}
51
52	var buf [maxWordSize]byte
53	for i, v := range vectors {
54		cnt := transformWord(buf[:], []byte(v.input), v.id)
55		output := string(buf[:cnt])
56
57		if output != v.output {
58			t.Errorf("test %d, output mismatch: got %q, want %q", i, output, v.output)
59		}
60	}
61}
62