399 lines
17 KiB
C++
Executable file
399 lines
17 KiB
C++
Executable file
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#include <Common/StringView.h>
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#include <gtest/gtest.h>
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using namespace Common;
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TEST(StringViewTests, representations) {
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ASSERT_NE(nullptr, StringView::EMPTY.getData());
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ASSERT_EQ(0, StringView::EMPTY.getSize());
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ASSERT_EQ(nullptr, StringView::NIL.getData());
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ASSERT_EQ(0, StringView::NIL.getSize());
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}
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TEST(StringViewTests, directConstructor) {
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const char data[] = "ABCD";
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ASSERT_EQ(data, StringView(data, 4).getData());
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ASSERT_EQ(4, StringView(data, 4).getSize());
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}
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TEST(StringViewTests, arrayConstructor) {
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const char data[] = "ABCD";
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const StringView view = data;
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ASSERT_EQ(data, view.getData());
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ASSERT_EQ(4, view.getSize());
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}
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TEST(StringViewTests, stdStringConstructor) {
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std::string string("ABCD");
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const StringView view = string;
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ASSERT_EQ(string.data(), view.getData());
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ASSERT_EQ(string.size(), view.getSize());
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}
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TEST(StringViewTests, copyConstructor) {
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const char data[] = "ABCD";
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const StringView view(data);
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ASSERT_EQ(view.getData(), StringView(view).getData());
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ASSERT_EQ(view.getSize(), StringView(view).getSize());
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}
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TEST(StringViewTests, copyAssignment) {
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const char data[] = "ABCD";
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const StringView view1(data);
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StringView view2;
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view2 = view1;
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ASSERT_EQ(view1.getData(), view2.getData());
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ASSERT_EQ(view1.getSize(), view2.getSize());
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}
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TEST(ArrayRefTests, stdString) {
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const char data[] = "ABCD";
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const StringView view(data);
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std::string string(view);
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ASSERT_EQ(*view.getData(), *string.data());
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ASSERT_EQ(*(view.getData() + 1), *(string.data() + 1));
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ASSERT_EQ(*(view.getData() + 2), *(string.data() + 2));
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ASSERT_EQ(*(view.getData() + 3), *(string.data() + 3));
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ASSERT_EQ(view.getSize(), string.size());
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}
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TEST(StringViewTests, emptyNil) {
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ASSERT_TRUE(StringView::EMPTY.isEmpty());
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ASSERT_FALSE(StringView::EMPTY.isNil());
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ASSERT_TRUE(StringView::NIL.isEmpty());
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ASSERT_TRUE(StringView::NIL.isNil());
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const char data[] = "ABCD";
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ASSERT_TRUE(StringView(data, 0).isEmpty());
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ASSERT_FALSE(StringView(data, 0).isNil());
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ASSERT_FALSE(StringView(data).isEmpty());
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ASSERT_FALSE(StringView(data).isNil());
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}
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TEST(StringViewTests, squareBrackets) {
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const char data[] = "ABCD";
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const StringView view(data);
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ASSERT_EQ(data + 0, &view[0]);
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ASSERT_EQ(data + 1, &view[1]);
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ASSERT_EQ(data + 2, &view[2]);
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ASSERT_EQ(data + 3, &view[3]);
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}
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TEST(StringViewTests, firstLast) {
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const char data[] = "ABCD";
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const StringView view(data);
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ASSERT_EQ(data + 0, &view.first());
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ASSERT_EQ(data + 3, &view.last());
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}
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TEST(StringViewTests, beginEnd) {
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const char data[] = "ABCD";
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ASSERT_EQ(nullptr, StringView::NIL.begin());
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ASSERT_EQ(nullptr, StringView::NIL.end());
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ASSERT_EQ(data, StringView(data).begin());
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ASSERT_EQ(data + 4, StringView(data).end());
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size_t offset = 0;
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for (const char& value : StringView(data)) {
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ASSERT_EQ(data[offset], value);
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++offset;
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}
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}
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TEST(StringViewTests, comparisons) {
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const char data1[] = "ABC";
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const char data2[] = "ABCD";
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const char data3[] = "ABCD";
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const char data4[] = "ABCDE";
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const char data5[] = "FGHI";
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ASSERT_TRUE(StringView::EMPTY == StringView::EMPTY);
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ASSERT_TRUE(StringView::EMPTY == StringView::NIL);
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ASSERT_FALSE(StringView::EMPTY == StringView(data1));
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ASSERT_TRUE(StringView::NIL == StringView::EMPTY);
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ASSERT_TRUE(StringView::NIL == StringView::NIL);
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ASSERT_FALSE(StringView::NIL == StringView(data1));
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ASSERT_FALSE(StringView(data2) == StringView::EMPTY);
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ASSERT_FALSE(StringView(data2) == StringView::NIL);
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ASSERT_FALSE(StringView(data2) == StringView(data1));
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ASSERT_TRUE(StringView(data2) == StringView(data2));
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ASSERT_TRUE(StringView(data2) == StringView(data3));
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ASSERT_FALSE(StringView(data2) == StringView(data4));
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ASSERT_FALSE(StringView(data2) == StringView(data5));
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ASSERT_FALSE(StringView::EMPTY != StringView::EMPTY);
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ASSERT_FALSE(StringView::EMPTY != StringView::NIL);
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ASSERT_TRUE(StringView::EMPTY != StringView(data1));
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ASSERT_FALSE(StringView::NIL != StringView::EMPTY);
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ASSERT_FALSE(StringView::NIL != StringView::NIL);
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ASSERT_TRUE(StringView::NIL != StringView(data1));
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ASSERT_TRUE(StringView(data2) != StringView::EMPTY);
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ASSERT_TRUE(StringView(data2) != StringView::NIL);
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ASSERT_TRUE(StringView(data2) != StringView(data1));
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ASSERT_FALSE(StringView(data2) != StringView(data2));
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ASSERT_FALSE(StringView(data2) != StringView(data3));
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ASSERT_TRUE(StringView(data2) != StringView(data4));
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ASSERT_TRUE(StringView(data2) != StringView(data5));
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ASSERT_FALSE(StringView::EMPTY < StringView::EMPTY);
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ASSERT_FALSE(StringView::EMPTY < StringView::NIL);
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ASSERT_TRUE(StringView::EMPTY < StringView(data1));
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ASSERT_FALSE(StringView::NIL < StringView::EMPTY);
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ASSERT_FALSE(StringView::NIL < StringView::NIL);
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ASSERT_TRUE(StringView::NIL < StringView(data1));
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ASSERT_FALSE(StringView(data2) < StringView::EMPTY);
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ASSERT_FALSE(StringView(data2) < StringView::NIL);
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ASSERT_FALSE(StringView(data2) < StringView(data1));
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ASSERT_FALSE(StringView(data2) < StringView(data2));
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ASSERT_FALSE(StringView(data2) < StringView(data3));
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ASSERT_TRUE(StringView(data2) < StringView(data4));
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ASSERT_TRUE(StringView(data2) < StringView(data5));
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ASSERT_TRUE(StringView::EMPTY <= StringView::EMPTY);
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ASSERT_TRUE(StringView::EMPTY <= StringView::NIL);
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ASSERT_TRUE(StringView::EMPTY <= StringView(data1));
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ASSERT_TRUE(StringView::NIL <= StringView::EMPTY);
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ASSERT_TRUE(StringView::NIL <= StringView::NIL);
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ASSERT_TRUE(StringView::NIL <= StringView(data1));
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ASSERT_FALSE(StringView(data2) <= StringView::EMPTY);
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ASSERT_FALSE(StringView(data2) <= StringView::NIL);
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ASSERT_FALSE(StringView(data2) <= StringView(data1));
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ASSERT_TRUE(StringView(data2) <= StringView(data2));
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ASSERT_TRUE(StringView(data2) <= StringView(data3));
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ASSERT_TRUE(StringView(data2) <= StringView(data4));
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ASSERT_TRUE(StringView(data2) <= StringView(data5));
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ASSERT_FALSE(StringView::EMPTY > StringView::EMPTY);
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ASSERT_FALSE(StringView::EMPTY > StringView::NIL);
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ASSERT_FALSE(StringView::EMPTY > StringView(data1));
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ASSERT_FALSE(StringView::NIL > StringView::EMPTY);
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ASSERT_FALSE(StringView::NIL > StringView::NIL);
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ASSERT_FALSE(StringView::NIL > StringView(data1));
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ASSERT_TRUE(StringView(data2) > StringView::EMPTY);
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ASSERT_TRUE(StringView(data2) > StringView::NIL);
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ASSERT_TRUE(StringView(data2) > StringView(data1));
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ASSERT_FALSE(StringView(data2) > StringView(data2));
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ASSERT_FALSE(StringView(data2) > StringView(data3));
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ASSERT_FALSE(StringView(data2) > StringView(data4));
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ASSERT_FALSE(StringView(data2) > StringView(data5));
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ASSERT_TRUE(StringView::EMPTY >= StringView::EMPTY);
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ASSERT_TRUE(StringView::EMPTY >= StringView::NIL);
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ASSERT_FALSE(StringView::EMPTY >= StringView(data1));
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ASSERT_TRUE(StringView::NIL >= StringView::EMPTY);
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ASSERT_TRUE(StringView::NIL >= StringView::NIL);
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ASSERT_FALSE(StringView::NIL >= StringView(data1));
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ASSERT_TRUE(StringView(data2) >= StringView::EMPTY);
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ASSERT_TRUE(StringView(data2) >= StringView::NIL);
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ASSERT_TRUE(StringView(data2) >= StringView(data1));
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ASSERT_TRUE(StringView(data2) >= StringView(data2));
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ASSERT_TRUE(StringView(data2) >= StringView(data3));
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ASSERT_FALSE(StringView(data2) >= StringView(data4));
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ASSERT_FALSE(StringView(data2) >= StringView(data5));
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}
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TEST(StringViewTests, beginsWith) {
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const char data1[] = "ABC";
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const char data2[] = "ABCD";
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const char data3[] = "ABCD";
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const char data4[] = "ABCDE";
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const char data5[] = "FGHI";
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ASSERT_FALSE(StringView::EMPTY.beginsWith(data1[0]));
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ASSERT_TRUE(StringView::EMPTY.beginsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView::EMPTY.beginsWith(StringView::NIL));
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ASSERT_FALSE(StringView::EMPTY.beginsWith(StringView(data1)));
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ASSERT_FALSE(StringView::NIL.beginsWith(data1[0]));
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ASSERT_TRUE(StringView::NIL.beginsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView::NIL.beginsWith(StringView::NIL));
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ASSERT_FALSE(StringView::NIL.beginsWith(StringView(data1)));
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ASSERT_TRUE(StringView(data2).beginsWith(data1[0]));
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ASSERT_FALSE(StringView(data2).beginsWith(data5[0]));
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ASSERT_TRUE(StringView(data2).beginsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView(data2).beginsWith(StringView::NIL));
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ASSERT_TRUE(StringView(data2).beginsWith(StringView(data1)));
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ASSERT_TRUE(StringView(data2).beginsWith(StringView(data2)));
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ASSERT_TRUE(StringView(data2).beginsWith(StringView(data3)));
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ASSERT_FALSE(StringView(data2).beginsWith(StringView(data4)));
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ASSERT_FALSE(StringView(data2).beginsWith(StringView(data5)));
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}
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TEST(StringViewTests, contains) {
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const char data1[] = "BC";
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const char data2[] = "ABCD";
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const char data3[] = "ABCD";
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const char data4[] = "ABCDE";
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const char data5[] = "FGHI";
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ASSERT_FALSE(StringView::EMPTY.contains(data1[1]));
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ASSERT_TRUE(StringView::EMPTY.contains(StringView::EMPTY));
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ASSERT_TRUE(StringView::EMPTY.contains(StringView::NIL));
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ASSERT_FALSE(StringView::EMPTY.contains(StringView(data1)));
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ASSERT_FALSE(StringView::NIL.contains(data1[1]));
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ASSERT_TRUE(StringView::NIL.contains(StringView::EMPTY));
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ASSERT_TRUE(StringView::NIL.contains(StringView::NIL));
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ASSERT_FALSE(StringView::NIL.contains(StringView(data1)));
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ASSERT_TRUE(StringView(data2).contains(data1[1]));
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ASSERT_FALSE(StringView(data2).contains(data5[1]));
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ASSERT_TRUE(StringView(data2).contains(StringView::EMPTY));
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ASSERT_TRUE(StringView(data2).contains(StringView::NIL));
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ASSERT_TRUE(StringView(data2).contains(StringView(data1)));
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ASSERT_TRUE(StringView(data2).contains(StringView(data2)));
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ASSERT_TRUE(StringView(data2).contains(StringView(data3)));
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ASSERT_FALSE(StringView(data2).contains(StringView(data4)));
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ASSERT_FALSE(StringView(data2).contains(StringView(data5)));
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}
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TEST(StringViewTests, endsWith) {
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const char data1[] = "BCD";
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const char data2[] = "ABCD";
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const char data3[] = "ABCD";
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const char data4[] = "ABCDE";
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const char data5[] = "FGHI";
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ASSERT_FALSE(StringView::EMPTY.endsWith(data1[2]));
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ASSERT_TRUE(StringView::EMPTY.endsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView::EMPTY.endsWith(StringView::NIL));
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ASSERT_FALSE(StringView::EMPTY.endsWith(StringView(data1)));
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ASSERT_FALSE(StringView::NIL.endsWith(data1[2]));
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ASSERT_TRUE(StringView::NIL.endsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView::NIL.endsWith(StringView::NIL));
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ASSERT_FALSE(StringView::NIL.endsWith(StringView(data1)));
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ASSERT_TRUE(StringView(data2).endsWith(data1[2]));
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ASSERT_FALSE(StringView(data2).endsWith(data5[3]));
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ASSERT_TRUE(StringView(data2).endsWith(StringView::EMPTY));
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ASSERT_TRUE(StringView(data2).endsWith(StringView::NIL));
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ASSERT_TRUE(StringView(data2).endsWith(StringView(data1)));
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ASSERT_TRUE(StringView(data2).endsWith(StringView(data2)));
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ASSERT_TRUE(StringView(data2).endsWith(StringView(data3)));
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ASSERT_FALSE(StringView(data2).endsWith(StringView(data4)));
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ASSERT_FALSE(StringView(data2).endsWith(StringView(data5)));
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}
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TEST(StringViewTests, find) {
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const char data1[] = "BC";
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const char data2[] = "ABCBCD";
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const char data3[] = "ABCBCD";
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const char data4[] = "ABCBCDE";
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const char data5[] = "FGHI";
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ASSERT_EQ(StringView::INVALID, StringView::EMPTY.find(data1[0]));
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ASSERT_EQ(0, StringView::EMPTY.find(StringView::EMPTY));
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ASSERT_EQ(0, StringView::EMPTY.find(StringView::NIL));
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ASSERT_EQ(StringView::INVALID, StringView::EMPTY.find(StringView(data1)));
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ASSERT_EQ(StringView::INVALID, StringView::NIL.find(data1[0]));
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ASSERT_EQ(0, StringView::NIL.find(StringView::EMPTY));
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ASSERT_EQ(0, StringView::NIL.find(StringView::NIL));
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ASSERT_EQ(StringView::INVALID, StringView::NIL.find(StringView(data1)));
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ASSERT_EQ(1, StringView(data2).find(data1[0]));
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ASSERT_EQ(StringView::INVALID, StringView(data2).find(data5[1]));
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ASSERT_EQ(0, StringView(data2).find(StringView::EMPTY));
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ASSERT_EQ(0, StringView(data2).find(StringView::NIL));
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ASSERT_EQ(1, StringView(data2).find(StringView(data1)));
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ASSERT_EQ(0, StringView(data2).find(StringView(data2)));
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ASSERT_EQ(0, StringView(data2).find(StringView(data3)));
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ASSERT_EQ(StringView::INVALID, StringView(data2).find(StringView(data4)));
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ASSERT_EQ(StringView::INVALID, StringView(data2).find(StringView(data5)));
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}
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TEST(StringViewTests, findLast) {
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const char data1[] = "BC";
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const char data2[] = "ABCBCD";
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const char data3[] = "ABCBCD";
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const char data4[] = "ABCBCDE";
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const char data5[] = "FGHI";
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ASSERT_EQ(StringView::INVALID, StringView::EMPTY.findLast(data1[0]));
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ASSERT_EQ(0, StringView::EMPTY.findLast(StringView::EMPTY));
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ASSERT_EQ(0, StringView::EMPTY.findLast(StringView::NIL));
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ASSERT_EQ(StringView::INVALID, StringView::EMPTY.findLast(StringView(data1)));
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ASSERT_EQ(StringView::INVALID, StringView::NIL.findLast(data1[0]));
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ASSERT_EQ(0, StringView::NIL.findLast(StringView::EMPTY));
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ASSERT_EQ(0, StringView::NIL.findLast(StringView::NIL));
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ASSERT_EQ(StringView::INVALID, StringView::NIL.findLast(StringView(data1)));
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ASSERT_EQ(3, StringView(data2).findLast(data1[0]));
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ASSERT_EQ(StringView::INVALID, StringView(data2).findLast(data5[1]));
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ASSERT_EQ(6, StringView(data2).findLast(StringView::EMPTY));
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ASSERT_EQ(6, StringView(data2).findLast(StringView::NIL));
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ASSERT_EQ(3, StringView(data2).findLast(StringView(data1)));
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ASSERT_EQ(0, StringView(data2).findLast(StringView(data2)));
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ASSERT_EQ(0, StringView(data2).findLast(StringView(data3)));
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ASSERT_EQ(StringView::INVALID, StringView(data2).findLast(StringView(data4)));
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ASSERT_EQ(StringView::INVALID, StringView(data2).findLast(StringView(data5)));
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}
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TEST(StringViewTests, head) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.head(0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.head(0));
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ASSERT_EQ(StringView(data, 0), StringView(data).head(0));
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ASSERT_EQ(StringView(data, 2), StringView(data).head(2));
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ASSERT_EQ(StringView(data, 4), StringView(data).head(4));
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}
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TEST(StringViewTests, tail) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.tail(0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.tail(0));
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ASSERT_EQ(StringView(data + 4, 0), StringView(data).tail(0));
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ASSERT_EQ(StringView(data + 2, 2), StringView(data).tail(2));
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ASSERT_EQ(StringView(data, 4), StringView(data).tail(4));
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}
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TEST(StringViewTests, unhead) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.unhead(0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.unhead(0));
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ASSERT_EQ(StringView(data, 4), StringView(data).unhead(0));
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ASSERT_EQ(StringView(data + 2, 2), StringView(data).unhead(2));
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ASSERT_EQ(StringView(data + 4, 0), StringView(data).unhead(4));
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}
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TEST(StringViewTests, untail) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.untail(0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.untail(0));
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ASSERT_EQ(StringView(data, 4), StringView(data).untail(0));
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ASSERT_EQ(StringView(data, 2), StringView(data).untail(2));
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ASSERT_EQ(StringView(data, 0), StringView(data).untail(4));
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}
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TEST(StringViewTests, range) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.range(0, 0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.range(0, 0));
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ASSERT_EQ(StringView(data + 0, 0), StringView(data).range(0, 0));
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ASSERT_EQ(StringView(data + 0, 2), StringView(data).range(0, 2));
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ASSERT_EQ(StringView(data + 0, 4), StringView(data).range(0, 4));
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ASSERT_EQ(StringView(data + 2, 0), StringView(data).range(2, 2));
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ASSERT_EQ(StringView(data + 2, 2), StringView(data).range(2, 4));
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ASSERT_EQ(StringView(data + 4, 0), StringView(data).range(4, 4));
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}
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TEST(StringViewTests, slice) {
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const char data[] = "ABCD";
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ASSERT_EQ(0, StringView::EMPTY.slice(0, 0).getSize());
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ASSERT_EQ(StringView(nullptr, 0), StringView::NIL.slice(0, 0));
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ASSERT_EQ(StringView(data + 0, 0), StringView(data).slice(0, 0));
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ASSERT_EQ(StringView(data + 0, 2), StringView(data).slice(0, 2));
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|
ASSERT_EQ(StringView(data + 0, 4), StringView(data).slice(0, 4));
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|
ASSERT_EQ(StringView(data + 2, 0), StringView(data).slice(2, 0));
|
|
ASSERT_EQ(StringView(data + 2, 2), StringView(data).slice(2, 2));
|
|
ASSERT_EQ(StringView(data + 4, 0), StringView(data).slice(4, 0));
|
|
}
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|
|
|
TEST(StringViewTests, set) {
|
|
std::set<std::string> set;
|
|
set.insert("AB");
|
|
set.insert("ABC");
|
|
set.insert("ABCD");
|
|
ASSERT_EQ(0, set.count(std::string(StringView("A"))));
|
|
ASSERT_EQ(1, set.count(std::string(StringView("AB"))));
|
|
ASSERT_EQ(1, set.count(std::string(StringView("ABC"))));
|
|
ASSERT_EQ(1, set.count(std::string(StringView("ABCD"))));
|
|
ASSERT_EQ(0, set.count(std::string(StringView("ABCDE"))));
|
|
}
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