[Test] // test comparions with different types, including null
// All should return false
public void Equals_TestWithDifferentObjectType()
{
UnitGrade origGrade = new UnitGrade("UECS8888", "lucky subject", 10);
Assert.AreNotEqual(origGrade, "UECS8888");
Assert.AreNotEqual(origGrade, 20);
Assert.AreNotEqual(origGrade, null);
}
[Test] // do boundary value analysis for all the grade ranges
// using a grade range supplied by user
public void CalculateGrade_UseUserDefinedValues_NoException()
{
int[] gradeRanges = { 49, 69, 89, 100 };
string[] gradeSymbols = { "F", "C", "B", "A" };
double[] gradePointValues = { 0, 1.0, 2.0, 3.0 };
GradingScheme myscheme = new GradingScheme(gradeRanges, gradeSymbols, gradePointValues);
UnitGrade ugrade;
ugrade = new UnitGrade("unit", "12345", 49);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("F", ugrade.gradeSymbol);
Assert.AreEqual(0.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 50);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("C", ugrade.gradeSymbol);
Assert.AreEqual(1.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 69);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("C", ugrade.gradeSymbol);
Assert.AreEqual(1.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 70);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("B", ugrade.gradeSymbol);
Assert.AreEqual(2.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 89);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("B", ugrade.gradeSymbol);
Assert.AreEqual(2.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 90);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("A", ugrade.gradeSymbol);
Assert.AreEqual(3.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 100);
ugrade.gradingScheme = myscheme;
ugrade.CalculateGrade();
Assert.AreEqual("A", ugrade.gradeSymbol);
Assert.AreEqual(3.0, ugrade.gradePoint);
}
public void Equals_TestWithSameObjectType(string unitCode, string unitName, int mark, bool expectEqual)
{
UnitGrade origGrade = new UnitGrade("UECS8888", "lucky subject", 10);
UnitGrade compGrade = new UnitGrade(unitCode, unitName, mark);
if (expectEqual)
{
Assert.AreEqual(origGrade, compGrade);
}
else
{
Assert.AreNotEqual(origGrade, compGrade);
}
}
[Test] // do boundary value analysis for all the grade ranges
public void CalculateGrade_UseDefaultValues_NoException()
{
UnitGrade ugrade;
ugrade = new UnitGrade("unit", "12345", 49);
ugrade.CalculateGrade();
Assert.AreEqual("F", ugrade.gradeSymbol);
Assert.AreEqual(0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 50);
ugrade.CalculateGrade();
Assert.AreEqual("C", ugrade.gradeSymbol);
Assert.AreEqual(2.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 54);
ugrade.CalculateGrade();
Assert.AreEqual("C", ugrade.gradeSymbol);
Assert.AreEqual(2.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 55);
ugrade.CalculateGrade();
Assert.AreEqual("C+", ugrade.gradeSymbol);
Assert.AreEqual(2.33, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 59);
ugrade.CalculateGrade();
Assert.AreEqual("C+", ugrade.gradeSymbol);
Assert.AreEqual(2.33, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 60);
ugrade.CalculateGrade();
Assert.AreEqual("B-", ugrade.gradeSymbol);
Assert.AreEqual(2.67, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 64);
ugrade.CalculateGrade();
Assert.AreEqual("B-", ugrade.gradeSymbol);
Assert.AreEqual(2.67, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 65);
ugrade.CalculateGrade();
Assert.AreEqual("B", ugrade.gradeSymbol);
Assert.AreEqual(3.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 69);
ugrade.CalculateGrade();
Assert.AreEqual("B", ugrade.gradeSymbol);
Assert.AreEqual(3.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 70);
ugrade.CalculateGrade();
Assert.AreEqual("B+", ugrade.gradeSymbol);
Assert.AreEqual(3.33, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 74);
ugrade.CalculateGrade();
Assert.AreEqual("B+", ugrade.gradeSymbol);
Assert.AreEqual(3.33, ugrade.gradePoint);
ugrade = new UnitGrade("unit3", "12345", 79);
ugrade.CalculateGrade();
Assert.AreEqual("A-", ugrade.gradeSymbol);
Assert.AreEqual(3.67, ugrade.gradePoint);
ugrade = new UnitGrade("unit3", "12345", 80);
ugrade.CalculateGrade();
Assert.AreEqual("A", ugrade.gradeSymbol);
Assert.AreEqual(4.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 89);
ugrade.CalculateGrade();
Assert.AreEqual("A", ugrade.gradeSymbol);
Assert.AreEqual(4.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 90);
ugrade.CalculateGrade();
Assert.AreEqual("A+", ugrade.gradeSymbol);
Assert.AreEqual(4.0, ugrade.gradePoint);
ugrade = new UnitGrade("unit", "12345", 100);
ugrade.CalculateGrade();
Assert.AreEqual("A+", ugrade.gradeSymbol);
Assert.AreEqual(4.0, ugrade.gradePoint);
}
public void UnitGrade_UnitCodeInvalidValue_Exception()
{
UnitGrade ugrade = new UnitGrade(null, null, 35);
}
public void UnitGrade_MarkInvalidValue_Exception()
{
UnitGrade ugrade = new UnitGrade("UECS1111", "somename", 101);
}
