public void addRandomValueTest()
{
GridBlock g1 = new GridBlock(3);
// Test: initial counters
Assert.AreEqual(g1.NumberOfElements, 9);
Assert.AreEqual(g1.countAssignedPositions(), 0);
Assert.AreEqual(g1.countUnassignedPositions(), 9);
// Test: 1 add
g1.addRandomValue();
Assert.AreEqual(g1.NumberOfElements, 9);
Assert.AreEqual(g1.countAssignedPositions(), 1);
Assert.AreEqual(g1.countUnassignedPositions(), 8);
// Test: maximum adds
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
g1.addRandomValue();
Assert.AreEqual(g1.NumberOfElements, 9);
Assert.AreEqual(g1.countAssignedPositions(), 9);
Assert.AreEqual(g1.countUnassignedPositions(), 0);
}
public void containsValueTest()
{
GridBlock g1 = new GridBlock(3);
g1.setValueAtPosition(0, 1);
g1.setValueAtPosition(1, 2);
Assert.IsTrue(g1.containsValue(1));
Assert.IsTrue(g1.containsValue(2));
Assert.IsFalse(g1.containsValue(3));
}
public void countUnassignedPositionsTest()
{
GridBlock g1 = new GridBlock(3);
Assert.AreEqual(g1.countUnassignedPositions(), 9);
g1.setValueAtPosition(0, 1);
g1.setValueAtPosition(1, 2);
Assert.AreEqual(g1.countUnassignedPositions(), 7);
}
public void fillGridBlockEntirelyTest()
{
// test: initial GridBlock
GridBlock g1 = new GridBlock(3);
Assert.AreEqual(g1.countAssignedPositions(), 0);
Assert.AreEqual(g1.countUnassignedPositions(), 9);
g1.fillGridBlockEntirely();
Assert.AreEqual(g1.countAssignedPositions(), 9);
Assert.AreEqual(g1.countUnassignedPositions(), 0);
// test: GridBlock with some assigned values
GridBlock g2 = new GridBlock(3);
g2.setValueAtPosition(0, 5);
g2.addRandomValue();
Assert.AreEqual(g2.countAssignedPositions(), 2);
Assert.AreEqual(g2.countUnassignedPositions(), 7);
g2.fillGridBlockEntirely();
Assert.AreEqual(g2.countAssignedPositions(), 9);
Assert.AreEqual(g2.countUnassignedPositions(), 0);
}
public void setValueAtPositionTest()
{
GridBlock g1 = new GridBlock(3);
g1.setValueAtPosition(0, 1);
g1.setValueAtPosition(1, 2);
g1.setValueAtPosition(2, 3);
Assert.AreEqual(g1.getValueAtPosition(0), 1);
Assert.AreEqual(g1.getValueAtPosition(1), 2);
Assert.AreEqual(g1.getValueAtPosition(2), 3);
// test: exceptions for wrong indices and values
try
{
g1.setValueAtPosition(-1, 5);
Assert.Fail("Setting a value at index -1 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.setValueAtPosition(9, 5);
Assert.Fail("Setting a value at index 9 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.setValueAtPosition(3, 0);
Assert.Fail("Setting value 0 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.setValueAtPosition(3, 10);
Assert.Fail("Setting value 10 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.setValueAtPosition(0, 3);
Assert.Fail("Setting value 3 (already assigned) should have thrown an exception!");
}
catch (ArgumentException)
{
}
}
public void GridBlockConstructorTest()
{
GridBlock gb1 = new GridBlock(1);
GridBlock gb2 = new GridBlock(2);
GridBlock gb3 = new GridBlock(3);
GridBlock gb4 = new GridBlock(4);
// Test: correct attributes
Assert.AreEqual(gb1.Dimension, 1);
Assert.AreEqual(gb1.NumberOfElements, 1);
Assert.AreEqual(gb2.Dimension, 2);
Assert.AreEqual(gb2.NumberOfElements, 4);
Assert.AreEqual(gb3.Dimension, 3);
Assert.AreEqual(gb3.NumberOfElements, 9);
Assert.AreEqual(gb4.Dimension, 4);
Assert.AreEqual(gb4.NumberOfElements, 16);
// Test: expected exceptions for wrong arguments
try
{
GridBlock g5 = new GridBlock(0);
Assert.Fail("GridBlock with size 0 did not throw an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
GridBlock g5 = new GridBlock(-1);
Assert.Fail("GridBlock with size -1 did not throw an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
}
public void getValueAtPositionTest()
{
GridBlock g1 = new GridBlock(3);
g1.setValueAtPosition(0, 1);
g1.setValueAtPosition(1, 2);
g1.setValueAtPosition(2, 3);
Assert.AreEqual(g1.getValueAtPosition(0), 1);
Assert.AreEqual(g1.getValueAtPosition(1), 2);
Assert.AreEqual(g1.getValueAtPosition(2), 3);
Assert.AreEqual(g1.getValueAtPosition(3), 0);
// test: expections for wrong indices
try
{
g1.getValueAtPosition(-1);
Assert.Fail("Getting a value at index -1 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.getValueAtPosition(9);
Assert.Fail("Getting a value at index 9 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
}
public void getRowAtIndexTest()
{
GridBlock g1 = new GridBlock(3);
for (int i = 1; i <= g1.NumberOfElements; i++)
{
g1.setValueAtPosition(i - 1, i);
}
// Test: expected rows vs. actual rows
List<int> expectedLine0 = new List<int>(3);
List<int> expectedLine1 = new List<int>(3);
List<int> expectedLine2 = new List<int>(3);
expectedLine0.Add(1);
expectedLine0.Add(2);
expectedLine0.Add(3);
expectedLine1.Add(4);
expectedLine1.Add(5);
expectedLine1.Add(6);
expectedLine2.Add(7);
expectedLine2.Add(8);
expectedLine2.Add(9);
List<int> actualLine0 = g1.getRowAtIndex(0);
List<int> actualLine1 = g1.getRowAtIndex(1);
List<int> actualLine2 = g1.getRowAtIndex(2);
Assert.IsTrue(expectedLine0.SequenceEqual(actualLine0));
Assert.IsTrue(expectedLine1.SequenceEqual(actualLine1));
Assert.IsTrue(expectedLine2.SequenceEqual(actualLine2));
// Test: exceptions for non-existent rows
try
{
g1.getRowAtIndex(-1);
Assert.Fail("Row access at index -1 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
try
{
g1.getRowAtIndex(-2);
Assert.Fail("Row access at index -2 should have thrown an exception!");
}
catch (ArgumentOutOfRangeException)
{
}
}