1// Copyright 2008 The RE2 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
5// Exhaustive testing of regular expression matching.
6
7#include "util/test.h"
8#include "re2/testing/exhaustive_tester.h"
9
10namespace re2 {
11
12// Test very simple expressions.
13TEST(EgrepLiterals, Lowercase) {
14 EgrepTest(3, 2, "abc.", 3, "abc", "");
15}
16
17// Test mixed-case expressions.
18TEST(EgrepLiterals, MixedCase) {
19 EgrepTest(3, 2, "AaBb.", 2, "AaBb", "");
20}
21
22// Test mixed-case in case-insensitive mode.
23TEST(EgrepLiterals, FoldCase) {
24 // The punctuation characters surround A-Z and a-z
25 // in the ASCII table. This looks for bugs in the
26 // bytemap range code in the DFA.
27 EgrepTest(3, 2, "abAB.", 2, "aBc@_~", "(?i:%s)");
28}
29
30// Test very simple expressions.
31TEST(EgrepLiterals, UTF8) {
32 EgrepTest(3, 2, "ab.", 4, "a\xE2\x98\xBA", "");
33}
34
35} // namespace re2
36
37