1// Copyright 2016 syzkaller project authors. All rights reserved.
2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
3
4package log
5
6import (
7	"testing"
8)
9
10func init() {
11	EnableLogCaching(4, 20)
12}
13
14func TestCaching(t *testing.T) {
15	tests := []struct{ str, want string }{
16		{"", ""},
17		{"a", "a\n"},
18		{"bb", "a\nbb\n"},
19		{"ccc", "a\nbb\nccc\n"},
20		{"dddd", "a\nbb\nccc\ndddd\n"},
21		{"eeeee", "bb\nccc\ndddd\neeeee\n"},
22		{"ffffff", "ccc\ndddd\neeeee\nffffff\n"},
23		{"ggggggg", "eeeee\nffffff\nggggggg\n"},
24		{"hhhhhhhh", "ggggggg\nhhhhhhhh\n"},
25		{"jjjjjjjjjjjjjjjjjjjjjjjjj", "jjjjjjjjjjjjjjjjjjjjjjjjj\n"},
26	}
27	prependTime = false
28	for _, test := range tests {
29		Logf(1, test.str)
30		out := CachedLogOutput()
31		if out != test.want {
32			t.Fatalf("wrote: %v\nwant: %v\ngot: %v", test.str, test.want, out)
33		}
34	}
35}
36