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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "utils/strings/stringpiece.h"
namespace libtextclassifier3 {
namespace {
TEST(StringPieceTest, EndsWith) {
EXPECT_TRUE(EndsWith("hello there!", "there!"));
EXPECT_TRUE(EndsWith("hello there!", "!"));
EXPECT_FALSE(EndsWith("hello there!", "there"));
EXPECT_FALSE(EndsWith("hello there!", " hello there!"));
EXPECT_TRUE(EndsWith("hello there!", ""));
EXPECT_FALSE(EndsWith("", "hello there!"));
}
TEST(StringPieceTest, StartsWith) {
EXPECT_TRUE(StartsWith("hello there!", "hello"));
EXPECT_TRUE(StartsWith("hello there!", "hello "));
EXPECT_FALSE(StartsWith("hello there!", "there!"));
EXPECT_FALSE(StartsWith("hello there!", " hello there! "));
EXPECT_TRUE(StartsWith("hello there!", ""));
EXPECT_FALSE(StartsWith("", "hello there!"));
}
TEST(StringPieceTest, ConsumePrefix) {
StringPiece str("hello there!");
EXPECT_TRUE(ConsumePrefix(&str, "hello "));
EXPECT_EQ(str.ToString(), "there!");
EXPECT_TRUE(ConsumePrefix(&str, "there"));
EXPECT_EQ(str.ToString(), "!");
EXPECT_FALSE(ConsumePrefix(&str, "!!"));
EXPECT_TRUE(ConsumePrefix(&str, ""));
EXPECT_TRUE(ConsumePrefix(&str, "!"));
EXPECT_EQ(str.ToString(), "");
EXPECT_TRUE(ConsumePrefix(&str, ""));
EXPECT_FALSE(ConsumePrefix(&str, "!"));
}
TEST(StringPieceTest, ConsumeSuffix) {
StringPiece str("hello there!");
EXPECT_TRUE(ConsumeSuffix(&str, "!"));
EXPECT_EQ(str.ToString(), "hello there");
EXPECT_TRUE(ConsumeSuffix(&str, " there"));
EXPECT_EQ(str.ToString(), "hello");
EXPECT_FALSE(ConsumeSuffix(&str, "!!"));
EXPECT_TRUE(ConsumeSuffix(&str, ""));
EXPECT_TRUE(ConsumeSuffix(&str, "hello"));
EXPECT_EQ(str.ToString(), "");
EXPECT_TRUE(ConsumeSuffix(&str, ""));
EXPECT_FALSE(ConsumeSuffix(&str, "!"));
}
TEST(StringPieceTest, Find) {
StringPiece str("<hello there!>");
EXPECT_EQ(str.find('<'), 0);
EXPECT_EQ(str.find('>'), str.length() - 1);
EXPECT_EQ(str.find('?'), StringPiece::npos);
EXPECT_EQ(str.find('<', str.length() - 1), StringPiece::npos);
EXPECT_EQ(str.find('<', 0), 0);
EXPECT_EQ(str.find('>', str.length() - 1), str.length() - 1);
}
TEST(StringPieceTest, FindStringPiece) {
StringPiece str("<foo bar baz!>");
EXPECT_EQ(str.find("foo"), 1);
EXPECT_EQ(str.find("bar"), 5);
EXPECT_EQ(str.find("baz"), 9);
EXPECT_EQ(str.find("qux"), StringPiece::npos);
EXPECT_EQ(str.find("?"), StringPiece::npos);
EXPECT_EQ(str.find(">"), str.length() - 1);
EXPECT_EQ(str.find("<", str.length() - 1), StringPiece::npos);
EXPECT_EQ(str.find("<", 0), 0);
EXPECT_EQ(str.find(">", str.length() - 1), str.length() - 1);
}
} // namespace
} // namespace libtextclassifier3