1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "annotator/strip-unpaired-brackets.h"
18
19 #include "gtest/gtest.h"
20
21 namespace libtextclassifier3 {
22 namespace {
23
24 class StripUnpairedBracketsTest : public ::testing::Test {
25 protected:
StripUnpairedBracketsTest()26 StripUnpairedBracketsTest() : INIT_UNILIB_FOR_TESTING(unilib_) {}
27 UniLib unilib_;
28 };
29
TEST_F(StripUnpairedBracketsTest,StripUnpairedBrackets)30 TEST_F(StripUnpairedBracketsTest, StripUnpairedBrackets) {
31 // If the brackets match, nothing gets stripped.
32 EXPECT_EQ(StripUnpairedBrackets("call me (123) 456 today", {8, 17}, unilib_),
33 std::make_pair(8, 17));
34 EXPECT_EQ(StripUnpairedBrackets("call me (123 456) today", {8, 17}, unilib_),
35 std::make_pair(8, 17));
36
37 // If the brackets don't match, they get stripped.
38 EXPECT_EQ(StripUnpairedBrackets("call me (123 456 today", {8, 16}, unilib_),
39 std::make_pair(9, 16));
40 EXPECT_EQ(StripUnpairedBrackets("call me )123 456 today", {8, 16}, unilib_),
41 std::make_pair(9, 16));
42 EXPECT_EQ(StripUnpairedBrackets("call me 123 456) today", {8, 16}, unilib_),
43 std::make_pair(8, 15));
44 EXPECT_EQ(StripUnpairedBrackets("call me 123 456( today", {8, 16}, unilib_),
45 std::make_pair(8, 15));
46
47 // Strips brackets correctly from length-1 selections that consist of
48 // a bracket only.
49 EXPECT_EQ(StripUnpairedBrackets("call me at ) today", {11, 12}, unilib_),
50 std::make_pair(12, 12));
51 EXPECT_EQ(StripUnpairedBrackets("call me at ( today", {11, 12}, unilib_),
52 std::make_pair(12, 12));
53
54 // Handles invalid spans gracefully.
55 EXPECT_EQ(StripUnpairedBrackets("call me at today", {11, 11}, unilib_),
56 std::make_pair(11, 11));
57 EXPECT_EQ(StripUnpairedBrackets("hello world", {0, 0}, unilib_),
58 std::make_pair(0, 0));
59 EXPECT_EQ(StripUnpairedBrackets("hello world", {11, 11}, unilib_),
60 std::make_pair(11, 11));
61 EXPECT_EQ(StripUnpairedBrackets("hello world", {-1, -1}, unilib_),
62 std::make_pair(-1, -1));
63 }
64
65 } // namespace
66 } // namespace libtextclassifier3
67