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 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);
}