public void EmptyStringToValidateCost()
{
TestProgram _testProgram = new TestProgram();
string str1 = "";
string str2 = "";
int expected = 0;
var actual = _testProgram.Cost(str1, str2);
Assert.AreEqual(expected, actual);
}
public void LeftLowerToValidateGridCost()
{
TestProgram _testProgram = new TestProgram();
// Present a big text input area in which a reasonably large text can be written or pasted.
int sx = 0;
int sy = 3;
int[] sCost = new int[8];
const int MAXINT = 3000;
string str1 = "or";
string str2 = "pasted";
string str3 = "large";
string str4 = "text";
for (int i = 0; i < 8; i++)
{
sCost[i] = MAXINT;
}
_testProgram.pWord[sx, sy] = str1;
_testProgram.pWord[sx + 1, sy] = str2;
_testProgram.pWord[sx, sy - 1] = str3;
_testProgram.pWord[sx + 1, sy - 1] = str4;
if (!string.IsNullOrEmpty(str1) && !string.IsNullOrEmpty(str2)
&& !string.IsNullOrEmpty(str3) && !string.IsNullOrEmpty(str4))
{
sCost[0] = _testProgram.Cost(str1.ToUpper(), str2.ToUpper());
sCost[3] = _testProgram.Cost(str1.ToUpper(), str3.ToUpper());
sCost[6] = _testProgram.Cost(str1.ToUpper(), str4.ToUpper());
}
int expected = 0;
int actual = 0;
_testProgram.GridCost(sx, sy);
if ((sCost[0] == _testProgram.G[sx + sy * _testProgram.nWidth, sx+1+ sy * _testProgram.nWidth])
&& (sCost[3] == _testProgram.G[sx + sy * _testProgram.nWidth, sx + (sy-1)* _testProgram.nWidth])
&& (sCost[6] == _testProgram.G[sx + sy * _testProgram.nWidth, sx+1 + (sy - 1) * _testProgram.nWidth]))
{
actual = 0;
}
else
actual = 1;
Assert.AreEqual(expected, actual);
}
public void LeftUpperToValidateGridCost()
{
TestProgram _testProgram = new TestProgram();
int sx = 0;
int sy = 0;
int[] sCost = new int[8];
const int MAXINT = 3000;
string str1 = "Present";
string str2 = "a";
string str3 = "area";
string str4 = "in";
for (int i = 0; i < 8; i++)
{
sCost[i] = MAXINT;
}
_testProgram.pWord[sx, sy] = str1;
_testProgram.pWord[sx+1, sy] = str2;
_testProgram.pWord[sx, sy+1] = str3;
_testProgram.pWord[sx+1, sy+1] = str4;
if (!string.IsNullOrEmpty(str1) && !string.IsNullOrEmpty(str2)
&& !string.IsNullOrEmpty(str3) && !string.IsNullOrEmpty(str4))
{
sCost[0] = _testProgram.Cost(str1.ToUpper(), str2.ToUpper());
sCost[2] = _testProgram.Cost(str1.ToUpper(), str3.ToUpper());
sCost[4] = _testProgram.Cost(str1.ToUpper(), str4.ToUpper());
}
int expected = 0;
int actual = 0;
_testProgram.GridCost(sx, sy);
if ((sCost[0] == _testProgram.G[0,1])
&& (sCost[2] == _testProgram.G[0,_testProgram.nWidth])
&& (sCost[4] == _testProgram.G[0,1+_testProgram.nWidth]))
{
actual = 0;
}
else
actual = 1;
Assert.AreEqual(expected, actual);
}
public void RightUpperToValidateGridCost()
{
TestProgram _testProgram = new TestProgram();
int sx = 4;
int sy = 0;
int[] sCost = new int[8];
const int MAXINT = 3000;
string str1 = "input";
string str2 = "text";
string str3 = "reasonably";
string str4 = "a";
for (int i = 0; i < 8; i++)
{
sCost[i] = MAXINT;
}
_testProgram.pWord[sx, sy] = str1;
_testProgram.pWord[sx - 1, sy] = str2;
_testProgram.pWord[sx, sy + 1] = str3;
_testProgram.pWord[sx - 1, sy + 1] = str4;
if (!string.IsNullOrEmpty(str1) && !string.IsNullOrEmpty(str2)
&& !string.IsNullOrEmpty(str3) && !string.IsNullOrEmpty(str4))
{
sCost[1] = _testProgram.Cost(str1.ToUpper(), str2.ToUpper());
sCost[2] = _testProgram.Cost(str1.ToUpper(), str3.ToUpper());
sCost[5] = _testProgram.Cost(str1.ToUpper(), str4.ToUpper());
}
int expected = 0;
int actual = 0;
_testProgram.GridCost(sx, sy);
if ((sCost[1] == _testProgram.G[sx + sy * _testProgram.nWidth, _testProgram.nWidth - 2])
&& (sCost[2] == _testProgram.G[sx + sy * _testProgram.nWidth, 2 * _testProgram.nWidth - 1])
&& (sCost[5] == _testProgram.G[sx + sy * _testProgram.nWidth, 2 * _testProgram.nWidth - 2]))
{
actual = 0;
}
else
actual = 1;
Assert.AreEqual(expected, actual);
}
public void NormalStringToValidateCost()
{
TestProgram _testProgram = new TestProgram();
string str1 = "fu";
string str2 = "chen";
int expected = 0;
if (!string.IsNullOrEmpty(str1) && !string.IsNullOrEmpty(str2))
{
byte[] asciiBytesStr1 = Encoding.ASCII.GetBytes(str1.ToUpper());
byte[] asciiBytesStr2 = Encoding.ASCII.GetBytes(str2.ToUpper());
expected = Math.Abs((int)(asciiBytesStr1[0]) - (int)(asciiBytesStr2[0]));
}
var actual = _testProgram.Cost(str1, str2);
Assert.AreEqual(expected, actual);
}
public void MiddleToValidateGridCost()
{
TestProgram _testProgram = new TestProgram();
// Present a big text input area in which a reasonably large text can be written or pasted.
int sx = 2;
int sy = 1;
int[] sCost = new int[8];
const int MAXINT = 3000;
string str0 = "which";
string str1 = "a";
string str2 = "in";
string str3 = "can";
string str4 = "big";
string str5 = "be";
string str6 = "text";
string str7 = "text";
string str8 = "a";
for (int i = 0; i < 8; i++)
{
sCost[i] = MAXINT;
}
_testProgram.pWord[sx, sy] = str0;
_testProgram.pWord[sx + 1, sy] = str1;
_testProgram.pWord[sx-1, sy] = str2;
_testProgram.pWord[sx, sy + 1] = str3;
_testProgram.pWord[sx, sy - 1] = str4;
_testProgram.pWord[sx + 1, sy + 1] = str5;
_testProgram.pWord[sx - 1, sy + 1] = str6;
_testProgram.pWord[sx + 1, sy - 1] = str7;
_testProgram.pWord[sx - 1, sy - 1] = str8;
if (!string.IsNullOrEmpty(str0) && !string.IsNullOrEmpty(str1)
&& !string.IsNullOrEmpty(str2) && !string.IsNullOrEmpty(str3)
&& !string.IsNullOrEmpty(str4) && !string.IsNullOrEmpty(str5)
&& !string.IsNullOrEmpty(str6) && !string.IsNullOrEmpty(str7)
&& !string.IsNullOrEmpty(str8))
{
sCost[0] = _testProgram.Cost(str0.ToUpper(), str1.ToUpper());
sCost[1] = _testProgram.Cost(str0.ToUpper(), str2.ToUpper());
sCost[2] = _testProgram.Cost(str0.ToUpper(), str3.ToUpper());
sCost[3] = _testProgram.Cost(str0.ToUpper(), str4.ToUpper());
sCost[4] = _testProgram.Cost(str0.ToUpper(), str5.ToUpper());
sCost[5] = _testProgram.Cost(str0.ToUpper(), str6.ToUpper());
sCost[6] = _testProgram.Cost(str0.ToUpper(), str7.ToUpper());
sCost[7] = _testProgram.Cost(str0.ToUpper(), str8.ToUpper());
}
int expected = 0;
int actual = 0;
_testProgram.GridCost(sx, sy);
int[] px = new int[] { 1, -1, 0, 0, 1, -1, 1, -1 }; // x axis offset
int[] py = new int[] { 0, 0, 1, -1, 1, 1, -1, -1 }; // y axis offset
if ((sCost[0] == _testProgram.G[sx + sy * _testProgram.nWidth, sx + 1 + sy * _testProgram.nWidth])
&& (sCost[1] == _testProgram.G[sx + sy * _testProgram.nWidth, sx-1 + sy * _testProgram.nWidth])
&& (sCost[2] == _testProgram.G[sx + sy * _testProgram.nWidth, sx + (sy + 1) * _testProgram.nWidth])
&& (sCost[3] == _testProgram.G[sx + sy * _testProgram.nWidth, sx + (sy - 1) * _testProgram.nWidth])
&& (sCost[4] == _testProgram.G[sx + sy * _testProgram.nWidth, sx+1 + (sy + 1) * _testProgram.nWidth])
&& (sCost[5] == _testProgram.G[sx + sy * _testProgram.nWidth, sx-1 + (sy + 1) * _testProgram.nWidth])
&& (sCost[6] == _testProgram.G[sx + sy * _testProgram.nWidth, sx + 1 + (sy - 1) * _testProgram.nWidth])
&& (sCost[7] == _testProgram.G[sx + sy * _testProgram.nWidth, sx-1 + (sy - 1) * _testProgram.nWidth]))
{
actual = 0;
}
else
actual = 1;
Assert.AreEqual(expected, actual);
}