public void TestPreferredStockYield() { // Test Preferred Stock PreferredStock stock; stock = new PreferredStock("TST", 10, 0, 100); float yield; // Test 0*100/50 => 0 yield = stock.GetDividendYield(50); Assert.AreEqual(0, yield, float.Epsilon); // Test 0.1*100/10 => 1 stock.FixedDividend = 0.1f; yield = stock.GetDividendYield(10); Assert.AreEqual(1, yield, float.Epsilon); // Test 0.1*100/0 => NaN yield = stock.GetDividendYield(0); Assert.AreEqual(float.NaN, yield); // LastPrice stock = new PreferredStock("TST", 10, 0, 100); // Test 0*100/50 => 0 stock.LastPrice = 50; yield = stock.GetDividendYield(); Assert.AreEqual(0, yield, float.Epsilon); // Test 0.1*100/10 => 1 stock.LastPrice = 10; stock.FixedDividend = 0.1f; yield = stock.GetDividendYield(); Assert.AreEqual(1, yield, float.Epsilon); // Test 0.1*100/0 => NaN stock.LastPrice = 0; yield = stock.GetDividendYield(); Assert.AreEqual(float.NaN, yield); }
public void TestPreferredStockPERatio() { // Test Preferred Stock PreferredStock stock; stock = new PreferredStock("TST", 10, 1, 100); float pe; // Test 0/10 => 0 pe = stock.GetPERatio(0); Assert.AreEqual(0, pe, float.Epsilon); // Test 10/10 => 1 pe = stock.GetPERatio(10); Assert.AreEqual(1, pe, float.Epsilon); // Test 10/0 => NaN stock.LastDividend = 0; pe = stock.GetPERatio(10); Assert.AreEqual(float.NaN, pe); // LastPrice stock = new PreferredStock("TST", 10, 1, 100); // Test 0/10 => 0 stock.LastPrice = 0; pe = stock.GetPERatio(); Assert.AreEqual(0, pe, float.Epsilon); // Test 10/10 => 1 stock.LastPrice = 10; pe = stock.GetPERatio(); Assert.AreEqual(1, pe, float.Epsilon); // Test 10/0 => NaN stock.LastPrice = 10; stock.LastDividend = 0; pe = stock.GetPERatio(); Assert.AreEqual(float.NaN, pe); }