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- using System;
- using Microsoft.VisualStudio.TestTools.UnitTesting;
- using System.Drawing;
- using System.Collections.Generic;
- using SketchAssistant;
- using System.Windows.Forms;
- namespace Tests
- {
- [TestClass]
- public class LineTests
- {
- //========================//
- //= Bresenham Line Tests =//
- //========================//
- [TestMethod]
- public void BresenhamLineTest1()
- {
- //Test point
- List<Point> expectedResult = new List<Point>();
- expectedResult.Add(new Point(1, 2));
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(1, 2), new Point(1, 2));
- Assert.AreEqual(1, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest2()
- {
- //Test line going from left to right
- List<Point> expectedResult = new List<Point>();
- for (int i = 1; i <= 6; i++) { expectedResult.Add(new Point(i, 2)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(1, 2), new Point(6, 2));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest3()
- {
- //Test line going from right to left
- List<Point> expectedResult = new List<Point>();
- for (int i = 6; i >= 1; i--) { expectedResult.Add(new Point(i, 2)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(6, 2), new Point(1, 2));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest4()
- {
- //Test line going from top to bottom
- List<Point> expectedResult = new List<Point>();
- for (int i = 5; i <= 25; i++) { expectedResult.Add(new Point(7, i)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(7, 5), new Point(7, 25));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest5()
- {
- //Test line going from bottom to top
- List<Point> expectedResult = new List<Point>();
- for (int i = 25; i >= 5; i--) { expectedResult.Add(new Point(7, i)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(7, 25), new Point(7, 5));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest6()
- {
- //Test exactly diagonal line from top left to bottom right
- List<Point> expectedResult = new List<Point>();
- for (int i = 5; i <= 25; i++) { expectedResult.Add(new Point(i + 2, i)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(7, 5), new Point(27, 25));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- [TestMethod]
- public void BresenhamLineTest7()
- {
- //Test exactly diagonal line from bottom right to top left
- List<Point> expectedResult = new List<Point>();
- for (int i = 25; i >= 5; i--) { expectedResult.Add(new Point(i + 2, i)); }
- List<Point> actualResult = SketchAssistant.Line.BresenhamLineAlgorithm(new Point(27, 25), new Point(7, 5));
- Assert.AreEqual(expectedResult.Count, actualResult.Count);
- for (int i = 0; i < actualResult.Count; i++)
- {
- Assert.AreEqual(expectedResult[i], actualResult[i]);
- }
- }
- //===========================//
- //= Matrix Population Tests =//
- //===========================//
- [TestMethod]
- public void MatrixTest1()
- {
- //Populate Matrix for temporary Line
- List<Point> thePoints = new List<Point>();
- thePoints.Add(new Point(1, 1));
- thePoints.Add(new Point(1, 2));
- bool[,] testBoolMatrix = new bool[5, 5];
- List<int>[,] testLineMatrix = new List<int>[5, 5];
- bool[,] resultBoolMatrix = new bool[5, 5];
- HashSet<int>[,] resultLineMatrix = new HashSet<int>[5, 5];
- Line testLine = new Line(thePoints);
- testLine.PopulateMatrixes(resultBoolMatrix, resultLineMatrix);
- for (int i = 0; i < 5; i++)
- {
- for (int j = 0; j < 5; j++)
- {
- Assert.AreEqual(testBoolMatrix[i, j], resultBoolMatrix[i, j]);
- Assert.AreEqual(testLineMatrix[i, j], resultLineMatrix[i, j]);
- }
- }
- }
- [TestMethod]
- public void MatrixTest2()
- {
- //Populate Matrix for non-temporary Line
- List<Point> thePoints = new List<Point>();
- thePoints.Add(new Point(1, 1));
- thePoints.Add(new Point(3, 3));
- bool[,] testBoolMatrix = new bool[5, 5];
- HashSet<int>[,] testLineMatrix = new HashSet<int>[5, 5];
- for (int i = 1; i <= 3; i++)
- {
- testBoolMatrix[i, i] = true;
- HashSet<int> temp = new HashSet<int>();
- temp.Add(5);
- testLineMatrix[i, i] = temp;
- }
- bool[,] resultBoolMatrix = new bool[5, 5];
- HashSet<int>[,] resultLineMatrix = new HashSet<int>[5, 5];
- Line testLine = new Line(thePoints, 5);
- testLine.PopulateMatrixes(resultBoolMatrix, resultLineMatrix);
- for (int i = 0; i < 5; i++)
- {
- for (int j = 0; j < 5; j++)
- {
- Assert.AreEqual(testBoolMatrix[i, j], resultBoolMatrix[i, j]);
- if (testLineMatrix[i, j] != null && resultLineMatrix[i, j] != null)
- {
- for (int k = 0; k < resultLineMatrix[i, j].Count; k++)
- {
- Assert.AreEqual(true, testLineMatrix[i, j].SetEquals(resultLineMatrix[i, j]));
- }
- }
- }
- }
- }
- //=========================//
- //= Line Constructor Test =//
- //=========================//
- [TestMethod]
- public void ConstructorTest()
- {
- //Create non-temporary Line and check points
- //reference Points
- List<Point> comparisonPoints = new List<Point> {new Point(2,2), new Point(3, 1), new Point(4, 1), new Point(5, 1), new Point(6, 2),
- new Point(7, 3), new Point(8, 4), new Point(9, 5), new Point(10, 6), new Point(11, 5), new Point(11, 4), new Point(11, 3),
- new Point(10, 2), new Point(9, 1), new Point(8, 2), new Point(7, 3), new Point(6, 4), new Point(5, 5), new Point(4, 5),
- new Point(3, 5), new Point(2, 5), new Point(1, 4)};
- //test Points, with intermediate points missing & duplicate points
- List<Point> testPoints = new List<Point> {new Point(2,2), new Point(3, 1), new Point(5, 1), new Point(5, 1), new Point(5, 1),
- new Point(8, 4), new Point(10, 6), new Point(11, 5), new Point(11, 3), new Point(9, 1), new Point(9, 1), new Point(9, 1),
- new Point(5, 5), new Point(2, 5), new Point(2, 5), new Point(1, 4) };
- Line testLine = new Line(testPoints, 0);
- List<Point> returnedPoints = testLine.GetPoints();
- Assert.AreEqual(comparisonPoints.Count, returnedPoints.Count);
- for (int i = 0; i < returnedPoints.Count; i++)
- {
- Assert.AreEqual(comparisonPoints[i], returnedPoints[i]);
- }
- }
- }
- [TestClass]
- public class ActionHistoryTests
- {
- ToolStripStatusLabel testLabel = new ToolStripStatusLabel();
- private ActionHistory GetActionHistory()
- {
- return new ActionHistory(testLabel);
- }
- [DataTestMethod]
- [DataRow(SketchAction.ActionType.Start, 5, -1, "A new canvas was created.")]
- [DataRow(SketchAction.ActionType.Draw, 5, 5, "Line number 5 was drawn.")]
- [DataRow(SketchAction.ActionType.Delete, 10, 10, "Line number 10 was deleted.")]
- public void ScetchActionTest1(SketchAction.ActionType type, int id, int exit, String response)
- {
- HashSet<int> actualResult = new HashSet<int>();
- if (!type.Equals(SketchAction.ActionType.Start)) { actualResult.Add(id); }
- SketchAction testAction = new SketchAction(type, id);
- Assert.AreEqual(type, testAction.GetActionType());
- Assert.AreEqual(true, actualResult.SetEquals(testAction.GetLineIDs()));
- Assert.AreEqual(response, testAction.GetActionInformation());
- }
- [DataTestMethod]
- [DataRow(SketchAction.ActionType.Start, 1, 2, 3, "A new canvas was created.")]
- [DataRow(SketchAction.ActionType.Draw, 3, 3, 3, "Line number 3 was drawn.")]
- [DataRow(SketchAction.ActionType.Delete, 20, 30, 40, "Several Lines were deleted.")]
- public void ScetchActionTest2(SketchAction.ActionType type, int id1, int id2, int id3, String response)
- {
- HashSet<int> actualResult = new HashSet<int>();
- if (!type.Equals(SketchAction.ActionType.Start))
- {
- actualResult.Add(id1);
- actualResult.Add(id2);
- actualResult.Add(id3);
- }
- SketchAction testAction = new SketchAction(type, actualResult);
- Assert.AreEqual(type, testAction.GetActionType());
- Assert.AreEqual(true, actualResult.SetEquals(testAction.GetLineIDs()));
- Assert.AreEqual(response, testAction.GetActionInformation());
- }
- [DataTestMethod]
- [DataRow(SketchAction.ActionType.Start, SketchAction.ActionType.Start, true)]
- [DataRow(SketchAction.ActionType.Draw, SketchAction.ActionType.Delete, false)]
- public void ActionHistoryTest1(SketchAction.ActionType action1, SketchAction.ActionType action2, bool isEmpty)
- {
- ActionHistory testHistory = GetActionHistory();
- if (!action1.Equals(SketchAction.ActionType.Start)) { testHistory.AddNewAction(new SketchAction(action1, 5)); }
- if (!action2.Equals(SketchAction.ActionType.Start)) { testHistory.AddNewAction(new SketchAction(action2, 5)); }
- Assert.AreEqual(isEmpty, testHistory.IsEmpty());
- }
- [DataTestMethod]
- [DataRow(SketchAction.ActionType.Draw, "Last Action: Line number 0 was drawn.")]
- [DataRow(SketchAction.ActionType.Delete, "Last Action: Line number 0 was deleted.")]
- public void ActionHistoryUndoRedoTest(SketchAction.ActionType actionType, String message)
- {
- ActionHistory testHistory = GetActionHistory();
- SketchAction testAction = new SketchAction(actionType, 0);
- testHistory.AddNewAction(testAction);
- Assert.AreEqual(true, testHistory.CanUndo());
- testHistory.MoveAction(true);
- Assert.AreEqual(true, testHistory.CanRedo());
- testHistory.MoveAction(false);
- Assert.AreEqual(actionType, testHistory.GetCurrentAction().GetActionType());
- String currLabel = testLabel.Text;
- Assert.AreEqual(currLabel, message);
- }
- }
- }
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