public void isEmpty_ofAnewStack_isEmptyfalse()
{
Stack testStack = new Stack();
bool result = testStack.isEmpty();
Assert.IsTrue(result);
}
public void Count_ofAnEmptyStack_Returns0()
{
Stack testStack;
testStack = new Stack();
int zeroCount = 0;
int result = testStack.Count();
Assert.AreEqual(zeroCount, result);
}
public void Count_ofAStackWith1Item_Returns1()
{
Stack testStack = new Stack();
testStack.push("this is a testString");
int oneCount = 1;
int result = testStack.Count();
Assert.AreEqual(oneCount, result);
}
public void Count_ofAStackWith1ItemAfterPeek_Returns1()
{
Stack testStack = new Stack();
testStack.push("this is a testString 1");
int oneCount = 1;
int CountResult = testStack.Count();
string stringFromPeek = testStack.Peek();
Assert.AreEqual(oneCount, CountResult);
}
public void Count_ofAStackWith4Item_Returns4()
{
Stack testStack = new Stack();
testStack.push("this is a testString 1");
testStack.push("this is a testString 2");
testStack.push("this is a testString 3");
testStack.push("this is a testString 4");
int oneCount = 4;
int result = testStack.Count();
Assert.AreEqual(oneCount, result);
}
public void isEmpty_ofAStackWith3ItemsPopTo0_isEmptyTrue()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
testStack.Pop();
testStack.Pop();
testStack.Pop();
bool result = testStack.isEmpty();
Assert.IsTrue(result);
}
public void ToString_StackTostring3item_string()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
string toStringString = testStack.ToString();
string expectedString = "0 this is a testString 1, 1 this is the 2nd test String, 2 this is the 3rd test String, ";
Assert.AreEqual(expectedString, toStringString);
}
public void ToString_StackTostring1item_string()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
testStack.push(testString);
string toStringString = testStack.ToString();
string expectedString = "0 this is a testString 1, ";
Assert.AreEqual(toStringString, expectedString);
}
public void ToString_StackTostring0item_string()
{
Stack testStack = new Stack();
string toStringString = testStack.ToString();
string expectedString = "Stack is empty.";
Assert.AreEqual(expectedString, toStringString);
}
public void push_NullStringToStack_throwException()
{
Stack testStack = new Stack();
String testString = null;
testStack.push(testString);
}
public void PopString_ofAStackWith3ItemsPopTo0_CountReturn0()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
testStack.Pop();
testStack.Pop();
testStack.Pop();
int popCount = testStack.Count();
int expectPopcount = 0;
Assert.AreEqual(popCount, expectPopcount);
}
public void PopString_ofAStackWith3ItemAfterPop_PopreturnslastString()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
string stringFromPop = testStack.Pop();
Assert.AreEqual(stringFromPop, testString3);
}
public void PopAllString_ofAStackWith3ItemAfterPop_returnexception()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
testStack.Pop();
testStack.Pop();
testStack.Pop();
testStack.Pop();
}
public void Peekstring_ofAStackWith3ItemAfterPeek_ReturnslastPeekString()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
string testString2 = "this is the 2nd test String";
string testString3 = "this is the 3rd test String";
testStack.push(testString);
testStack.push(testString2);
testStack.push(testString3);
testStack.Peek();
string stringFromPeek = testStack.Peek();
Assert.AreEqual(stringFromPeek, testString3);
}
public void Peekstring_ofAStackWith1ItemAfterPeek_ReturnsPeekString()
{
Stack testStack = new Stack();
string testString = "this is a testString 1";
testStack.push(testString);
string stringFromPeek = testStack.Peek();
Assert.AreEqual(stringFromPeek, testString);
}
public void Peekstring_ofAStackWith0ItemAfterPeek_ThrowsExcption()
{
Stack testStack = new Stack();
testStack.Peek();
}
