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61 lines
1.6 KiB
61 lines
1.6 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/strings/append.h"
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#include "gtest/gtest.h"
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namespace libtextclassifier3 {
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namespace strings {
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TEST(StringUtilTest, SStringAppendF) {
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std::string str;
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SStringAppendF(&str, 5, "%d %d", 0, 1);
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EXPECT_EQ(str, "0 1");
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SStringAppendF(&str, 1, "%d", 9);
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EXPECT_EQ(str, "0 19");
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SStringAppendF(&str, 1, "%d", 10);
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EXPECT_EQ(str, "0 191");
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str.clear();
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SStringAppendF(&str, 5, "%d", 100);
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EXPECT_EQ(str, "100");
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}
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TEST(StringUtilTest, SStringAppendFBufCalc) {
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std::string str;
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SStringAppendF(&str, 0, "%d %s %d", 1, "hello", 2);
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EXPECT_EQ(str, "1 hello 2");
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}
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TEST(StringUtilTest, JoinStrings) {
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std::vector<std::string> vec;
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vec.push_back("1");
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vec.push_back("2");
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vec.push_back("3");
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EXPECT_EQ("1,2,3", JoinStrings(",", vec));
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EXPECT_EQ("123", JoinStrings("", vec));
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EXPECT_EQ("1, 2, 3", JoinStrings(", ", vec));
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EXPECT_EQ("", JoinStrings(",", std::vector<std::string>()));
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}
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} // namespace strings
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} // namespace libtextclassifier3
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