1 /* 2 * Copyright (C) 2017 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 "strip-unpaired-brackets.h" 18 19 #include "gtest/gtest.h" 20 21 namespace libtextclassifier2 { 22 namespace { 23 24 TEST(StripUnpairedBracketsTest, StripUnpairedBrackets) { 25 CREATE_UNILIB_FOR_TESTING 26 // If the brackets match, nothing gets stripped. 27 EXPECT_EQ(StripUnpairedBrackets("call me (123) 456 today", {8, 17}, unilib), 28 std::make_pair(8, 17)); 29 EXPECT_EQ(StripUnpairedBrackets("call me (123 456) today", {8, 17}, unilib), 30 std::make_pair(8, 17)); 31 32 // If the brackets don't match, they get stripped. 33 EXPECT_EQ(StripUnpairedBrackets("call me (123 456 today", {8, 16}, unilib), 34 std::make_pair(9, 16)); 35 EXPECT_EQ(StripUnpairedBrackets("call me )123 456 today", {8, 16}, unilib), 36 std::make_pair(9, 16)); 37 EXPECT_EQ(StripUnpairedBrackets("call me 123 456) today", {8, 16}, unilib), 38 std::make_pair(8, 15)); 39 EXPECT_EQ(StripUnpairedBrackets("call me 123 456( today", {8, 16}, unilib), 40 std::make_pair(8, 15)); 41 42 // Strips brackets correctly from length-1 selections that consist of 43 // a bracket only. 44 EXPECT_EQ(StripUnpairedBrackets("call me at ) today", {11, 12}, unilib), 45 std::make_pair(12, 12)); 46 EXPECT_EQ(StripUnpairedBrackets("call me at ( today", {11, 12}, unilib), 47 std::make_pair(12, 12)); 48 49 // Handles invalid spans gracefully. 50 EXPECT_EQ(StripUnpairedBrackets("call me at today", {11, 11}, unilib), 51 std::make_pair(11, 11)); 52 EXPECT_EQ(StripUnpairedBrackets("hello world", {0, 0}, unilib), 53 std::make_pair(0, 0)); 54 EXPECT_EQ(StripUnpairedBrackets("hello world", {11, 11}, unilib), 55 std::make_pair(11, 11)); 56 EXPECT_EQ(StripUnpairedBrackets("hello world", {-1, -1}, unilib), 57 std::make_pair(-1, -1)); 58 } 59 60 } // namespace 61 } // namespace libtextclassifier2 62