public void Should_produces_the_expected_output_when_given_transactions()
{
var input = new[] { "10", "1 42", "2", "1 14", "3", "1 28", "3", "1 60", "1 78", "2", "2" };
var isFirst = true;
var printer = new FakePrinter("{0:#}");
var sut = new ATaleOfTwoStacks(printer);
foreach (var transaction in input)
{
if (isFirst)
{
isFirst = false;
}
else
{
sut.ParseTrasaction(transaction);
}
}
var output = new[] { "14", "14" };
var i = 0;
foreach (var s in output)
{
Assert.Equal(s, printer.Printed[i++].ToString());
}
}
public void SetWriterCorrectly_WhenPassedAValidWriter()
{
// arrange and act
var writer = new Mock <IWriter>();
var printer = new FakePrinter(writer.Object);
// assert
Assert.AreSame(writer.Object, printer.TestWriter);
}
public void ShouldCreatePDFFile()
{
using (var app = new App(testing: true)) {
var printer = new FakePrinter();
var ctrl = new GateInController(printer, app);
var result = ctrl.CreateTicket("1234");
Assert.Equal(true, printer.HasPrinted);
}
}
public void Should_return_number_of_words_when_find_for_prefix()
{
var input = new[] { "CAR", "CARD", "CARDAN", "TRY", "TRIES", "TRIED" };
var printer = new FakePrinter("{0:#}");
var tries = new Tries();
foreach (var s in input)
{
tries.Add(s);
}
var cCount = tries.Find("C");
Assert.Equal(3, cCount);
var carCount = tries.Find("CAR");
Assert.Equal(3, carCount);
var cardCount = tries.Find("CARD");
Assert.Equal(2, cardCount);
var cardanCount = tries.Find("CARDAN");
Assert.Equal(1, cardanCount);
var tCount = tries.Find("T");
Assert.Equal(3, tCount);
var trCount = tries.Find("TR");
Assert.Equal(3, trCount);
var tryCount = tries.Find("TRY");
Assert.Equal(1, tryCount);
var trieCount = tries.Find("TRIE");
Assert.Equal(2, trieCount);
var triesCount = tries.Find("TRIES");
Assert.Equal(1, triesCount);
var triedCount = tries.Find("TRIED");
Assert.Equal(1, triedCount);
var nCount = tries.Find("N");
Assert.Equal(0, nCount);
tries.Print(printer);
foreach (var s in input)
{
Assert.Contains(s, printer.Printed);
}
Assert.Equal(6, printer.Printed.Count);
}
public void Should_sort_an_array(int[] a, int numSwaps, int firstElement, int lastElement)
{
var printer = new FakePrinter();
var sort = new BubbleSort(printer);
sort.Sort(a);
AssertHelpers.AssertIsSorted(a);
Assert.Equal($"Array is sorted in {numSwaps} swaps.", printer.Printed[0]);
Assert.Equal($"First Element: {firstElement}", printer.Printed[1]);
Assert.Equal($"Last Element: {lastElement}", printer.Printed[2]);
}
public void ShouldCreatedPDFFile()
{
using (var app = new App(testing: true)) {
var printer = new FakePrinter();
var ctrl = new GateInController(printer, app);
ctrl.CreateTicket("000");
Assert.True(printer.hasPrinted);
}
}
public void ShouldCreatePdfFile()
{
using (var app = new App(testing: true))
{
var printer = new FakePrinter();
var ctrl = new GateInController(printer, app);
ctrl.CreateTicket("000");
Assert.True(printer.HasPrinted);
}
}
public void PrintDocuments_WithValidPrinter_PrintsAllDocuments()
{
var documents = new[]
{
TestUtils.CreateRandom <StubDocument>(),
TestUtils.CreateRandom <StubDocument>(),
};
var printer = new FakePrinter(true);
var printManager = CreateSystemUnderTest(printer);
printManager.PrintDocuments(documents);
Assert.That(printer.PrintedDocuments, Is.EquivalentTo(documents));
}
public void Should_construct_a_valid_tries_when_adding_strings()
{
var input = new[] { "CAR", "CARD", "CARDAN" };
var printer = new FakePrinter("{0:#}");
var tries = new Tries();
foreach (var s in input)
{
tries.Add(s);
}
tries.Print(printer);
Assert.Equal("CAR", printer.Printed[0]);
Assert.Equal("CARD", printer.Printed[1]);
Assert.Equal("CARDAN", printer.Printed[2]);
Assert.Equal(3, printer.Printed.Count);
}
public void Should_calculate_running_median_when_adding_integers()
{
var printer = new FakePrinter("{0:0.0}");
var sut = new FindTheRunningMedian(printer);
var input = new[] { 12, 4, 5, 3, 8, 7 };
var output = new[] { "12.0", "8.0", "5.0", "4.5", "5.0", "6.0" };
foreach (var i in input)
{
sut.Add(i);
}
var j = 0;
foreach (var s in output)
{
Assert.Equal(s, printer.Printed[j++]);
}
}
public void Should_treat_contact_operations_when_received()
{
var input = new[] { "add hack", "add hackerrank", "find hac", "find hak" };
var output = new[] { 2, 0 };
var printer = new FakePrinter("{0:0}");
var contacts = new Contacts(printer);
foreach (var s in input)
{
contacts.TreatTransaction(s);
}
var i = 0;
foreach (var o in output)
{
Assert.Equal(o, int.Parse((string)printer.Printed[i++]));
}
}
public void Should_print_in_order_when_calling_in_order_print()
{
var printer = new FakePrinter();
var values = new[] { 10, 10, 12, 5, 9, 15 };
var bt = CreateTreeWithValues(values);
bt.PrintInOrder(printer);
var lastValue = int.MinValue;
foreach (var p in printer.Printed)
{
var value = (int)p;
Assert.True(lastValue <= value);
lastValue = value;
}
var orderedValues = values.OrderBy(i => i).ToArray();
var printedValues = printer.Printed.Select(o => (int)o).ToArray();
Assert.Equal(orderedValues, printedValues);
}