ls-standard-library/test/cases/boxing/StringTest.cpp

/*
 * Author:          Patrick-Christopher Mattulat
 * Company:         Lynar Studios
 * E-Mail:          webmaster@lynarstudios.com
 * Created:         2020-08-14
 * Changed:         2020-08-14
 *
 * */

#include <gtest/gtest.h>
#include "../../../source/boxing/String.hpp"

namespace {
  class StringTest : public ::testing::Test {
    protected:

      StringTest() = default;
      ~StringTest() override = default;

      void SetUp() override {}
      void TearDown() override {}
  };

  // assignment operators

  TEST_F(StringTest, operatorAssignment)
  {
    ls_std::String text {};
    text = "Hi!";

    ASSERT_STREQ("Hi!", text.toString().c_str());
  }

  // arithmetic operators

  TEST_F(StringTest, operatorAdd)
  {
    ls_std::String text {"Hello! "};
    ls_std::String end {"How are you? "};
    text = text + end + "I'm good by the way!";

    ASSERT_STREQ("Hello! How are you? I'm good by the way!", text.toString().c_str());
  }

  TEST_F(StringTest, operatorHyphen)
  {
    ls_std::String text {"abcdefghij"};
    text = text - 5;

    ASSERT_STREQ("abcde", text.toString().c_str());
  }

  // compound operators

  TEST_F(StringTest, operatorAddEqual)
  {
    ls_std::String text {};
    ls_std::String hello {"Hi! "};
    ASSERT_STREQ("", text.toString().c_str());

    text += hello;
    ASSERT_STREQ("Hi! ", text.toString().c_str());

    text += "Bye!";
    ASSERT_STREQ("Hi! Bye!", text.toString().c_str());
  }

  // comparison operators

  TEST_F(StringTest, operatorEqual)
  {
    ls_std::String text {"Hi!"};
    ls_std::String hello {"Hi!"};

    ASSERT_TRUE(text == hello);
    ASSERT_TRUE(hello == text);
    ASSERT_TRUE(hello == std::string("Hi!"));
    ASSERT_TRUE(hello == "Hi!");
  }

  TEST_F(StringTest, operatorNotEqual)
  {
    ls_std::String text {"Hi!"};
    ls_std::String hello {"Hello!"};

    ASSERT_TRUE(text != hello);
    ASSERT_TRUE(hello != text);
    ASSERT_TRUE(text != std::string("Hello!"));
    ASSERT_TRUE(text != "Hello!");
  }

  // implementation

  TEST_F(StringTest, parse)
  {
    ls_std::String text {};
    text.parse("Hello!");

    ASSERT_STREQ("Hello!", text.toString().c_str());
  }

  TEST_F(StringTest, toString)
  {
    ls_std::String text {"Hello!"};

    ASSERT_STREQ("Hello!", text.toString().c_str());
  }

  // additional functionality

  TEST_F(StringTest, contains)
  {
    ls_std::String text {};
    text = "Hey, I'm searching for the keyword 'cake'!";

    ASSERT_TRUE(text.contains("cake"));
  }

  TEST_F(StringTest, containsNegative)
  {
    ls_std::String text {};
    text = "Hey, I'm searching for the keyword 'cake'!";

    ASSERT_FALSE(text.contains("butter"));
  }

  TEST_F(StringTest, endsWith)
  {
    ls_std::String text {};
    text = "abcdef";

    ASSERT_TRUE(text.endsWith("ef"));
  }

  TEST_F(StringTest, equalsIgnoreCase)
  {
    ls_std::String text {"Hello!"};
    ls_std::String hello {"HeLLo!"};

    ASSERT_TRUE(text.equalsIgnoreCase(hello));
    ASSERT_TRUE(text.equalsIgnoreCase("HeLLO!"));
  }

  TEST_F(StringTest, endsWithNegative)
  {
    ls_std::String text {};
    text = "abcdef";

    ASSERT_FALSE(text.endsWith("efg"));
  }

  TEST_F(StringTest, reverse)
  {
    ls_std::String text {};
    text = "abcdef";

    ASSERT_STREQ("fedcba", text.reverse().c_str());
    ASSERT_STREQ("abcdef", text);
  }

  TEST_F(StringTest, startsWith)
  {
    ls_std::String text {};
    text = "abcdef";

    ASSERT_TRUE(text.startsWith("abc"));
  }

  TEST_F(StringTest, startsWithNegative)
  {
    ls_std::String text {};
    text = "abcdef";

    ASSERT_FALSE(text.startsWith("bc"));
  }

  TEST_F(StringTest, toLowerCase)
  {
    ls_std::String text {};
    text = "aBCdeFgHIJKLmn";

    ASSERT_STREQ("abcdefghijklmn", text.toLowerCase().c_str());
    ASSERT_STREQ("aBCdeFgHIJKLmn", text);
  }

  TEST_F(StringTest, toUpperCase)
  {
    ls_std::String text {};
    text = "aBCdeFgHIJKLmn";

    ASSERT_STREQ("ABCDEFGHIJKLMN", text.toUpperCase().c_str());
    ASSERT_STREQ("aBCdeFgHIJKLmn", text);
  }
}