GraphLineTests ClassDelta Engine Documentation
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Inheritance Hierarchy
System Object
  DeltaEngine.Platforms TestWithMocksOrVisually
    DeltaEngine.Rendering2D.Graphs.Tests GraphLineTests

Namespace: DeltaEngine.Rendering2D.Graphs.Tests
Assembly: DeltaEngine.Rendering2D.Graphs.Tests (in DeltaEngine.Rendering2D.Graphs.Tests.dll) Version: 1.1.1.0 (1.1.1)
Syntax
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public class GraphLineTests : TestWithMocksOrVisually

The GraphLineTests type exposes the following members.

Constructors
  NameDescription
Public methodGraphLineTests
Initializes a new instance of the GraphLineTests class
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Methods
  NameDescription
Public methodAddingFirstPointDoesntCreateALine
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Public methodAddThirdPointAtTheEnd
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Public methodAddThirdPointAtTheStart
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Public methodAddThirdPointInTheMiddle
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Public methodAddValueAddsToTheEnd
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Protected methodAdvanceTimeAndUpdateEntities (Inherited from TestWithMocksOrVisually.)
Public methodChangeLineColor
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Public methodChangeLineKey
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Public methodCheckLineColor
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Public methodClearRemovesAllLinesAndClearsAllPoints
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Public methodInitializeResolver (Inherited from TestWithMocksOrVisually.)
Public methodRefreshDoesNothingIfViewportDidntChange
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Public methodRefreshUpdatesLinesIfViewportChanged
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Public methodRefreshWillRemoveLines
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Protected methodRegisterMock T  (Inherited from TestWithMocksOrVisually.)
Public methodRemoveFirstPoint
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Public methodRemoveLastPoint
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Public methodRemoveMiddlePoint
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Protected methodResolve T  (Inherited from TestWithMocksOrVisually.)
Protected methodRunAfterFirstFrame (Inherited from TestWithMocksOrVisually.)
Public methodRunTestAndDisposeResolverWhenDone (Inherited from TestWithMocksOrVisually.)
Public methodSetUp
Public methodTwoPointsDrawALine
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Properties
  NameDescription
Protected propertyIsMockResolver (Inherited from TestWithMocksOrVisually.)
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Examples
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[Test, CloseAfterFirstFrame]
public void CheckLineColor()
{
    var line = graph.CreateLine("", Color.Blue);
    line.AddPoint(Vector2D.Zero);
    line.AddPoint(Vector2D.One);
    Assert.AreEqual(Color.Blue, line.Color);
    Assert.AreEqual(Color.Blue, line.lines[0].Color);
    line.Color = Color.Green;
    Assert.AreEqual(Color.Green, line.Color);
}
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[Test, CloseAfterFirstFrame]
public void ChangeLineColor()
{
    var line = graph.CreateLine("", Color.Blue);
    line.AddPoint(Vector2D.Zero);
    line.AddPoint(Vector2D.One);
    line.Color = Color.Green;
    Assert.AreEqual(Color.Green, line.Color);
    Assert.AreEqual(Color.Green, line.lines[0].Color);
}
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[Test, CloseAfterFirstFrame]
public void ChangeLineKey()
{
    var line = graph.CreateLine("ABC", Color.Blue);
    Assert.AreEqual("ABC", line.Key);
    line.Key = "DEF";
    Assert.AreEqual("DEF", line.Key);
}
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[Test, CloseAfterFirstFrame]
public void AddingFirstPointDoesntCreateALine()
{
    var line = graph.CreateLine("", Color.Blue);
    Assert.AreEqual(0, line.points.Count);
    Assert.AreEqual(0, line.lines.Count);
    line.AddPoint(Vector2D.Zero);
    Assert.AreEqual(1, line.points.Count);
    Assert.AreEqual(0, line.lines.Count);
}
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[Test, CloseAfterFirstFrame]
public void TwoPointsDrawALine()
{
    GraphLine line = CreateLineWithTwoPoints();
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Line2D line2D = line.lines[0];
    Assert.IsTrue(line2D.StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line2D.EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
    Assert.AreEqual(LineColor, line.Color);
}
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[Test, CloseAfterFirstFrame]
public void AddThirdPointAtTheEnd()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.AddPoint(new Vector2D(0.8f, 0.5f));
    Assert.AreEqual(3, line.points.Count);
    Assert.AreEqual(2, line.lines.Count);
    Line2D line2D = line.lines[1];
    Assert.IsTrue(line2D.StartPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
    Assert.IsTrue(line2D.EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.5f)));
}
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[Test, CloseAfterFirstFrame]
public void AddThirdPointAtTheStart()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.AddPoint(new Vector2D(0.2f, 0.5f));
    Assert.AreEqual(3, line.points.Count);
    Assert.AreEqual(2, line.lines.Count);
    Line2D line0 = line.lines[0];
    Assert.IsTrue(line0.StartPoint.IsNearlyEqual(new Vector2D(0.3857f, 0.5f)));
    Assert.IsTrue(line0.EndPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Line2D line1 = line.lines[1];
    Assert.IsTrue(line1.StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line1.EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
}
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[Test, CloseAfterFirstFrame]
public void AddThirdPointInTheMiddle()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.AddPoint(new Vector2D(0.5f, 0.4f));
    Assert.AreEqual(3, line.points.Count);
    Assert.AreEqual(2, line.lines.Count);
    Line2D line0 = line.lines[0];
    Assert.IsTrue(line0.StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line0.EndPoint.IsNearlyEqual(new Vector2D(0.5f, 0.519f)));
    Line2D line1 = line.lines[1];
    Assert.IsTrue(line1.StartPoint.IsNearlyEqual(new Vector2D(0.5f, 0.519f)));
    Assert.IsTrue(line1.EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
}
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[Test, CloseAfterFirstFrame]
public void RemoveFirstPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(0);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.6f, 0.7f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}
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[Test, CloseAfterFirstFrame]
public void RemoveMiddlePoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(1);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.AreEqual(new Vector2D(0.4f, 0.5f), line.points[0]);
    Assert.AreEqual(new Vector2D(0.8f, 0.4f), line.points[1]);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.6143f, 0.519f)));
}
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[Test, CloseAfterFirstFrame]
public void RemoveLastPoint()
{
    GraphLine line = CreateLineWithThreePoints();
    line.RemoveAt(2);
    Assert.AreEqual(2, line.points.Count);
    Assert.AreEqual(1, line.lines.Count);
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.462f, 0.5f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.538f, 0.462f)));
}
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[Test, CloseAfterFirstFrame]
public void ClearRemovesAllLinesAndClearsAllPoints()
{
    GraphLine line = CreateLineWithTwoPoints();
    Line2D line2D = line.lines[0];
    Assert.IsTrue(line2D.IsActive);
    line.Clear();
    Assert.AreEqual(0, line.lines.Count);
    Assert.AreEqual(0, line.points.Count);
}
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[Test, CloseAfterFirstFrame]
public void RefreshDoesNothingIfViewportDidntChange()
{
    GraphLine line = CreateLineWithTwoPoints();
    Vector2D start = line.lines[0].StartPoint;
    Vector2D end = line.lines[0].EndPoint;
    line.Refresh();
    Assert.AreEqual(start, line.lines[0].StartPoint);
    Assert.AreEqual(end, line.lines[0].EndPoint);
}
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[Test, CloseAfterFirstFrame]
public void RefreshUpdatesLinesIfViewportChanged()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.graph.Viewport = Rectangle.FromCenter(0.4f, 0.4f, 0.8f, 0.8f);
    line.Refresh();
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.5f, 0.4762f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.5952f, 0.4286f)));
}
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[Test, CloseAfterFirstFrame]
public void AddValueAddsToTheEnd()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.AddValue(0.4f, 4.0f);
    Assert.AreEqual(new Vector2D(1.0f, 4.0f), line.points[2]);
    line.AddValue(3.0f);
    Assert.AreEqual(new Vector2D(2.0f, 3.0f), line.points[3]);
}
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[Test]
public void RefreshWillRemoveLines()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.AddValue(0.4f, 4.0f);
    line.lines.Add(new Line2D(Vector2D.Zero, Vector2D.One, Color.Purple));
    line.Refresh();
}
See Also
DeltaEngine.Rendering2D.Graphs.Tests Namespace