/*
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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 "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "utils/strings/stringpiece.h"
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namespace libtextclassifier3 {
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namespace {
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TEST(StringPieceTest, EndsWith) {
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EXPECT_TRUE(EndsWith("hello there!", "there!"));
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EXPECT_TRUE(EndsWith("hello there!", "!"));
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EXPECT_FALSE(EndsWith("hello there!", "there"));
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EXPECT_FALSE(EndsWith("hello there!", " hello there!"));
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EXPECT_TRUE(EndsWith("hello there!", ""));
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EXPECT_FALSE(EndsWith("", "hello there!"));
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}
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TEST(StringPieceTest, StartsWith) {
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EXPECT_TRUE(StartsWith("hello there!", "hello"));
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EXPECT_TRUE(StartsWith("hello there!", "hello "));
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EXPECT_FALSE(StartsWith("hello there!", "there!"));
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EXPECT_FALSE(StartsWith("hello there!", " hello there! "));
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EXPECT_TRUE(StartsWith("hello there!", ""));
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EXPECT_FALSE(StartsWith("", "hello there!"));
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}
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TEST(StringPieceTest, ConsumePrefix) {
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StringPiece str("hello there!");
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EXPECT_TRUE(ConsumePrefix(&str, "hello "));
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EXPECT_EQ(str.ToString(), "there!");
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EXPECT_TRUE(ConsumePrefix(&str, "there"));
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EXPECT_EQ(str.ToString(), "!");
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EXPECT_FALSE(ConsumePrefix(&str, "!!"));
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EXPECT_TRUE(ConsumePrefix(&str, ""));
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EXPECT_TRUE(ConsumePrefix(&str, "!"));
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EXPECT_EQ(str.ToString(), "");
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EXPECT_TRUE(ConsumePrefix(&str, ""));
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EXPECT_FALSE(ConsumePrefix(&str, "!"));
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}
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} // namespace
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} // namespace libtextclassifier3
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