public static void CastWindowPositionToValueTupleTest(int x, int y)
{
var castValue = new ValueTuple <int, int>(0, 0);
var instance = new WindowPosition(x, y);
var errorOccured = false;
try
{
castValue = instance;
}
catch (Exception ex)
{
logger.Exception(ex);
errorOccured = true;
}
// エラーが発生しないこと
Assert.IsFalse(errorOccured);
var argValue = new ValueTuple <int, int>(x, y);
// 元の値と一致すること
Assert.IsTrue(castValue.Equals(argValue));
}
public int?Find(int[] values)
{
var halfLength = values.Length / 2;
var dict = new Dictionary <int, int>();
foreach (var value in values)
{
if (dict.ContainsKey(value))
{
dict[value] += 1;
}
else
{
dict.Add(value, 1);
}
}
var majorityElement = dict.SingleOrDefault(i => i.Value > halfLength);
if (ValueTuple.Equals(majorityElement, null))
{
return(null);
}
return(majorityElement.Key);
}
public void Sanity_check_on_value_tuple()
{
var tuple1 = new ValueTuple <Point, Equipment>(new Point(1, 1), Equipment.Gear);
var tuple2 = new ValueTuple <Point, Equipment>(new Point(1, 1), Equipment.Gear);
var tuple3 = new ValueTuple <Point, Equipment>(new Point(1, 1), Equipment.Neither);
var tuple4 = new ValueTuple <Point, Equipment>(new Point(1, 2), Equipment.Gear);
Assert.Equal(tuple1, tuple2);
Assert.NotEqual(tuple1, tuple3);
Assert.NotEqual(tuple1, tuple4);
Assert.NotEqual(tuple3, tuple4);
Assert.True(tuple1.Equals(tuple2));
Assert.False(tuple1.Equals(tuple3));
Assert.False(tuple1.Equals(tuple4));
Assert.False(tuple3.Equals(tuple4));
}
protected bool SetProperty <T1, T2, T3, T4, T5, T6, T7>(ref ValueTuple <T1, T2, T3, T4, T5, T6, T7> field, ValueTuple <T1, T2, T3, T4, T5, T6, T7> value, [CallerMemberName] string whichProperty = null, params string[] otherProperties)
{
if (field.Equals(value))
{
return(false);
}
field = value;
OnPropertyChanged(whichProperty);
OnPropertyChanged(otherProperties);
return(true);
}
public override bool Equals(object o)
{
if (this == o)
{
return(true);
}
if (o == null || this.GetType() != o.GetType())
{
return(false);
}
IndexEntryConflictException that = ( IndexEntryConflictException )o;
return(_addedNodeId == that._addedNodeId && _existingNodeId == that._existingNodeId && !(_propertyValues != null ?!_propertyValues.Equals(that._propertyValues) : that._propertyValues != null));
}
static void Main(string[] args)
{
// 1) a)
bool a = false;
byte b = 5;
sbyte c = 6;
char d = 'c';
decimal e = 9;
double f = 3.14;
float g = 6.1f;
int h = 1;
uint i = 7;
long j = -900;
ulong k = 900;
short l = 4;
ushort m = 17;
object n = "code";
string o = "word";
Console.WriteLine($"1) a) bool - {a} byte - {b} sbyte - {c} char - {d} decimal - {e} double - {f} float - {g} int - {h} uint - {i} long - {j} ulong - {k} short - {l} " +
$"ushort - {m} object - {n} string - {o}");
// b)
dynamic din = "dinam";
int n1 = 77;
float n3 = 2.12f;
uint n5 = 56;
short n7 = 3;
string s2 = din;
long n2 = n1;
double n4 = n3;
ulong n6 = n5;
long n8 = n7;
Console.WriteLine($"b) {s2} {n2} {n4} {n6} {n8}");
byte n9 = (byte)n1;
ushort n10 = (ushort)n7;
uint n11 = (uint)n1;
sbyte n12 = (sbyte)n9;
int n13 = (int)n5;
Console.WriteLine($"{n9} {n10} {n11} {n12} {n13}");
char chrNumber = Convert.ToChar(n1);
double dblNumber = Convert.ToDouble(n1);
Console.WriteLine($"int = 77, char = {chrNumber}, double = {dblNumber}");
// c)
int num = 8;
Object ob = num;
num = (int)ob;
Console.WriteLine($"c) object: {ob} num: {num}");
// d)
var num1 = 9;
Console.WriteLine($"d) {num1.GetType()}");
// e)
int?x = null;
//NULLABLE <int> x = null;
// f) --- error
// 2) a)
string str1 = "string";
string str2 = "string";
if (str1 == str2)
{
Console.WriteLine("2) a) Strings are equal");
}
else
{
Console.WriteLine("2) a) Strings aren't equal");
}
// b)
string str3 = "this ";
string str4 = "is";
string str5 = " string ";
string str6 = String.Concat(str3, str4, str5);
str3 = String.Copy(str4);
string str7 = str3.Substring(0, 2);
string[] words = str6.Split(' ');
string str8 = str4.Insert(2, str5);
string str9 = str6.Remove(1, 2);
Console.WriteLine($"b) Concat: {str6} str3 Copy str4: {str4} Substring: {str7} Insert: {str8} Remove: {str9}");
foreach (String s in words)
{
Console.WriteLine(s);
}
// c)
string str10 = "";
string str11 = null;
bool strBool = string.IsNullOrEmpty(str10);
Console.WriteLine($"c) string.IsNullOrEmpty = {strBool}");
if (str11 != str10)
{
Console.WriteLine("null and empty strings aren't equals");
}
// d)
StringBuilder sb = new StringBuilder("Sofa");
sb.Remove(0, 1);
sb.Insert(0, 'L');
sb.Insert(4, 's');
Console.WriteLine($"d) {sb}");
// 3) a)
Console.WriteLine("3) a)");
int[,] mas = new int[3, 3] {
{ 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 }
};
for (int c3 = 0; c3 < 3; c3++)
{
for (int j2 = 0; j2 < 3; j2++)
{
Console.Write($"{mas[c3, j2]} \t");
}
Console.WriteLine();
}
// b)
Console.WriteLine("b)");
string[] numbers = new string[] { "one", "two", "three", "four", "five" };
foreach (String nums in numbers)
{
Console.Write("{0} ", nums);
}
Console.WriteLine($"(Array length - {numbers.Length})");
Console.WriteLine("Enter index and new value: ");
int index = Convert.ToInt32(Console.ReadLine());
string value = Console.ReadLine();
numbers[index - 1] = value;
foreach (string item in numbers)
{
Console.Write("{0} ", item);
}
Console.WriteLine();
// c)
Console.WriteLine("c)");
int[][] jaggedArray = new int[3][] { new int[2], new int[3], new int[4] };
Console.WriteLine("Full matrix: ");
for (int ja1 = 0; ja1 < jaggedArray.Length; ++ja1)
{
for (int ja2 = 0; ja2 < jaggedArray[ja1].Length; ++ja2)
{
while (true)
{
try
{
jaggedArray[ja1][ja2] = Convert.ToInt32(Console.ReadLine());
break;
}
catch (FormatException)
{
Console.WriteLine("Wrong input!");
}
}
}
}
Console.WriteLine();
foreach (int[] ja3 in jaggedArray)
{
foreach (int ja4 in ja3)
{
Console.Write($"{ja4} \t");
}
Console.WriteLine();
}
// d)
var Arr = numbers;
var str = str1;
// 4)
ValueTuple <int, string, char, string, ulong> tup = (20, "Ann", 'c', "satisfaction", 99);
Console.WriteLine($"4) {tup}");
Console.WriteLine($"({tup.Item1}, {tup.Item3}, {tup.Item4})");
var(one, two, three, four, five) = (tup.Item1, tup.Item2, tup.Item3, tup.Item4, tup.Item5);
// _
(int, string, char, string, ulong)tup2 = (20, "Ann", 'c', "satisfaction", 99);
if (tup.Equals(tup2))
{
Console.WriteLine("Tuples are equals");
}
// 5)
Console.WriteLine("5)");
int[] mas2 = new int[4] {
1, 2, 3, 4
};
(int, int, int, char) Func(int[] arrayInt, string string1)
{
(int, int, int, char)tup3 = (arrayInt.Min(), arrayInt.Max(), arrayInt.Sum(), string1.First());
Console.WriteLine(tup3);
return(tup3);
}
Func(mas2, str1);
// 6)
Console.WriteLine("6)");
int Func2()
{
int ten = 10;
int val;
checked
{
val = 2147483647 + ten;
Console.WriteLine(val);
}
return(val);
}
int Func3()
{
int ten = 10;
int val;
unchecked
{
val = 2147483647 + ten;
Console.WriteLine(val);
}
return(val);
}
Func2();
Func3();
}
