public void TestScaleTrapezoid37Percent()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
trapezoid.Scale(37);
Assert.AreEqual((decimal)7.4, trapezoid.LongBase);
Assert.AreEqual((decimal)5.55, trapezoid.ShortBase);
Assert.AreEqual((decimal)3.7, trapezoid.Height);
Assert.AreEqual((decimal)75.96, trapezoid.AcuteAngle);
Assert.AreEqual((decimal)104.04, trapezoid.ObtuseAngle);
}
public void TestScaleTrapezoid200Percent()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
trapezoid.Scale(200);
Assert.AreEqual(40, trapezoid.LongBase);
Assert.AreEqual(30, trapezoid.ShortBase);
Assert.AreEqual(20, trapezoid.Height);
Assert.AreEqual((decimal)75.96, trapezoid.AcuteAngle);
Assert.AreEqual((decimal)104.04, trapezoid.ObtuseAngle);
}
public void TestTrapezoidConstructorCalculatesAngles2()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 2);
Assert.AreEqual((decimal) 38.66, trapezoid.AcuteAngle);
Assert.AreEqual((decimal) 141.34, trapezoid.ObtuseAngle);
}
public void TestTrapezoidConstructorCalculatesAngles1()
{
Trapezoid trapezoid = new Trapezoid(8, 4, 2);
Assert.AreEqual(45, trapezoid.AcuteAngle);
Assert.AreEqual(135, trapezoid.ObtuseAngle);
}
public void TestTrapezoidArea2()
{
Trapezoid trapezoid = new Trapezoid(8, 4, 2);
Assert.AreEqual(12, trapezoid.Area());
}
public void TestTrapezoidArea()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
Assert.AreEqual(175, trapezoid.Area());
}
public void TrapezoidScaleToNegativePercent()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
trapezoid.Scale(-10);
}
public void TestDefaultTrapezoidColors()
{
Trapezoid shape = new Trapezoid(20, 15, 2);
Assert.AreEqual(Colors.Bisque, shape.FillColor);
Assert.AreEqual(Colors.Tomato, shape.BorderColor);
}
public void TrapezoidScaleTo0Percent()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
trapezoid.Scale(0);
}
public void TestTrapezoidSidesCount()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 2);
Assert.AreEqual(4, trapezoid.SidesCount);
}
public void TestTrapezoidPerimeter2()
{
Trapezoid trapezoid = new Trapezoid(8, 2, 4);
Assert.AreEqual(20, trapezoid.Perimeter());
}
public void TestTrapezoidPerimeter()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 10);
Assert.AreEqual((decimal)55.62, trapezoid.Perimeter());
}
public void TestTrapezoidConstructorSetsProperties2()
{
Trapezoid trapezoid = new Trapezoid(20, 15, 2);
Assert.AreEqual(20, trapezoid.LongBase);
Assert.AreEqual(15, trapezoid.ShortBase);
Assert.AreEqual(2, trapezoid.Height);
}
public void TestTrapezoidConstructorSetsProperties()
{
Trapezoid trapezoid = new Trapezoid(8, 2, 4);
Assert.AreEqual(8, trapezoid.LongBase);
Assert.AreEqual(2, trapezoid.ShortBase);
Assert.AreEqual(4, trapezoid.Height);
}