public void AtoiTests_NormalCases()
{
Assert.AreEqual(1234567, Atoi.Convert("1234567"));
Assert.AreEqual(1234567, Atoi.Convert("+1234567"));
Assert.AreEqual(-1234567, Atoi.Convert("-1234567"));
Assert.AreEqual(34567, Atoi.Convert("0034567"));
Assert.AreEqual(123, Atoi.Convert("+123dsds4567"));
}
public void AtoiV1_Number()
{
string str = "45";
var atoi = new Atoi();
int result = atoi.MyAtoiV1(str);
Assert.AreEqual(45, result);
}
public void AtoiV3_NegativeNumber()
{
string str = " -45";
var atoi = new Atoi();
int result = atoi.MyAtoiV3(str);
Assert.AreEqual(-45, result);
}
public void AtoiV3_LetterFirst()
{
string str = " a 45";
var atoi = new Atoi();
int result = atoi.MyAtoiV3(str);
Assert.AreEqual(0, result);
}
public void AtoiV2_LetterAfterSign()
{
string str = " -a 45";
var atoi = new Atoi();
int result = atoi.MyAtoiV2(str);
Assert.AreEqual(0, result);
}
public void AtoiV3_ZerosFirst()
{
string str = " 000002147483645";
var atoi = new Atoi();
int result = atoi.MyAtoiV3(str);
Assert.AreEqual(2147483645, result);
}
public void AtoiV3_MoreThanMax()
{
string str = "2147483648";
var atoi = new Atoi();
int result = atoi.MyAtoiV3(str);
Assert.AreEqual(2147483647, result);
}
public void AtoiV3_SignAfterDigit()
{
string str = "1-5";
var atoi = new Atoi();
int result = atoi.MyAtoiV3(str);
Assert.AreEqual(1, result);
}
public void AtoiTests_CornerCases()
{
Assert.AreEqual(0, Atoi.Convert(null));
Assert.AreEqual(0, Atoi.Convert(""));
Assert.AreEqual(0, Atoi.Convert(" "));
Assert.AreEqual(1, Atoi.Convert(" 1"));
Assert.AreEqual(1, Atoi.Convert(" 1abc"));
Assert.AreEqual(0, Atoi.Convert(" ab1"));
Assert.AreEqual(1, Atoi.Convert(" +1"));
Assert.AreEqual(-1, Atoi.Convert(" -1"));
Assert.AreEqual(1, Atoi.Convert("+1"));
Assert.AreEqual(-1, Atoi.Convert("-1"));
}
public void Case6()
{
var r = new Atoi().MyAtoi(" -0012a42");
Assert.AreEqual(-12, r);
}
public void Case5()
{
var r = new Atoi().MyAtoi("-91283472332");
Assert.AreEqual(-2147483648, r);
}
public void Case4()
{
var r = new Atoi().MyAtoi("words and 987");
Assert.AreEqual(0, r);
}
public void Case3()
{
var r = new Atoi().MyAtoi("4193 with words");
Assert.AreEqual(4193, r);
}
public void Case2()
{
var r = new Atoi().MyAtoi(" -42");
Assert.AreEqual(-42, r);
}
public void Test(string input, int result)
{
Assert.Equal(result, Atoi.Convert(input));
}
public void AtoiTests_OverflowCases()
{
Assert.AreEqual(int.MaxValue, Atoi.Convert("0909809809809"));
}
public void Case7()
{
var r = new Atoi().MyAtoi("-5-");
Assert.AreEqual(-5, r);
}
public void Case1()
{
var r = new Atoi().MyAtoi("42");
Assert.AreEqual(42, r);
}
public void Test()
{
int result = new Atoi().MyAtoi("0-1");
Assert.Equal(0, result);
}
