public void trig_PI() { clearCalcEngine(); CalcEngine.trig_fcns("pi"); Assert.IsTrue(Math.PI - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); CalcEngine.AppendNum(234); Assert.IsTrue(Math.PI - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); }
public void appendDigit_multiple() { clearCalcEngine(); for (int i = 9; i >= 0; i--) { CalcEngine.AppendNum(i); } Assert.AreEqual(9876543210, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void appendDigit_0_9() { clearCalcEngine(); for (int i = 9; i >= 0; i--) { CalcEngine.AppendNum(i); Assert.AreEqual(i, CalcEngine.GetDisplay()); clearCalcEngine(); } }
public void recallMemory() { clearCalcEngine(); CalcEngine.AppendNum(526.42); CalcEngine.Memory("memStore"); clearCalcEngine(); CalcEngine.Memory("memRecall"); Assert.IsTrue(526.42 - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); }
public void misc_INVERSE() { clearCalcEngine(); CalcEngine.AppendNum(5); CalcEngine.other_fcns("inverse"); Assert.IsTrue(1 / 5 - Math.Abs(CalcEngine.GetDisplay()) < 0.0000001); clearCalcEngine(); CalcEngine.AppendNum(0); Assert.IsFalse(CalcEngine.other_fcns("inverse")); clearCalcEngine(); }
public void clearMemory() { clearCalcEngine(); CalcEngine.AppendNum(526.42); CalcEngine.Memory("memStore"); clearCalcEngine(); Assert.IsTrue(526.42 - Math.Abs(Convert.ToDouble(CalcEngine.m_memory)) < 0.000000001); CalcEngine.Memory("memClear"); Assert.IsNull(CalcEngine.m_memory); clearCalcEngine(); }
public void appendDigit_decimal() { clearCalcEngine(); CalcEngine.AppendNum(8); CalcEngine.AppendNum(4); CalcEngine.other_fcns("decimal"); CalcEngine.AppendNum(2); CalcEngine.AppendNum(5); Assert.AreEqual(84.25, CalcEngine.GetDisplay()); clearCalcEngine(); }
/// <summary> /// When a key is pressed, the number is checked and we pass that value into the calculator engine /// </summary> private void number_btn(object sender, EventArgs e) { Button num = sender as Button; if (num != null) { if (!CalcEngine.m_openParen) { status_txt.Text = ""; } int numValue; switch (num.Name) { // Convert the System.Windows.Forms.Button pressed into a number which is stored in a string case "one": numValue = 1; break; case "two": numValue = 2; break; case "three": numValue = 3; break; case "four": numValue = 4; break; case "five": numValue = 5; break; case "six": numValue = 6; break; case "seven": numValue = 7; break; case "eight": numValue = 8; break; case "nine": numValue = 9; break; default: numValue = 0; break; } CalcEngine.AppendNum(numValue); UpdateScreen(); if (CalcEngine.m_operation == null) { operation_txt.Text = ""; } } }
public void clearAll() { clearCalcEngine(); CalcEngine.AppendNum(34.223); CalcEngine.PrepareOperation("+"); CalcEngine.other_fcns("switchSign"); clearCalcEngine(); CalcEngine.other_fcns("open_paren"); CalcEngine.AppendNum(34.223); CalcEngine.PrepareOperation("add"); clearCalcEngine(); }
public void appendNum_multiple() { clearCalcEngine(); CalcEngine.AppendNum(829); Assert.AreEqual(829, CalcEngine.GetDisplay()); CalcEngine.AppendNum(204); Assert.AreEqual(829204, CalcEngine.GetDisplay()); clearCalcEngine(); CalcEngine.AppendNum(5392.634); Assert.AreEqual(5392.634, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void misc_SQRT() { clearCalcEngine(); CalcEngine.AppendNum(25); CalcEngine.other_fcns("sqrt"); Assert.IsTrue(5 == CalcEngine.GetDisplay()); CalcEngine.other_fcns("sqrt"); Assert.IsTrue(Math.Sqrt(5) - Math.Abs(CalcEngine.GetDisplay()) < 0.0000001); clearCalcEngine(); CalcEngine.AppendNum(-3); Assert.IsFalse(CalcEngine.other_fcns("sqrt")); clearCalcEngine(); }
public void sumToMemory() { clearCalcEngine(); CalcEngine.AppendNum(526.42); CalcEngine.Memory("memStore"); clearCalcEngine(); CalcEngine.Memory("memRecall"); Assert.IsTrue(526.42 - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); CalcEngine.AppendNum(35.56); CalcEngine.Memory("memAdd"); Assert.IsTrue((526.42 + 35.56) - (Convert.ToDouble(CalcEngine.m_memory) + CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); }
public void misc_clearEntry() { clearCalcEngine(); CalcEngine.AppendNum(83); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(17); CalcEngine.clear(); CalcEngine.AppendNum(27); //Chagne 17 to 27 CalcEngine.Solve(); Assert.AreEqual(110, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(137, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void misc_PARENTHESES() { clearCalcEngine(); CalcEngine.other_fcns("open_paren"); Assert.IsTrue(CalcEngine.m_openParen); Assert.IsFalse(CalcEngine.m_closeParen); CalcEngine.AppendNum(1); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(-2); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(88); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(54); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(36); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(21); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(2); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(-13); CalcEngine.other_fcns("close_paren"); Assert.IsTrue(CalcEngine.m_closeParen); Assert.IsFalse(CalcEngine.m_openParen); Assert.AreEqual(-40, CalcEngine.GetDisplay()); //Try Again CalcEngine.other_fcns("open_paren"); Assert.IsTrue(CalcEngine.m_openParen); Assert.IsFalse(CalcEngine.m_closeParen); CalcEngine.AppendNum(1); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(-2); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(88); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(54); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(36); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(21); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(2); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(-13); CalcEngine.other_fcns("close_paren"); Assert.IsTrue(CalcEngine.m_closeParen); Assert.IsFalse(CalcEngine.m_openParen); Assert.AreEqual(-40, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void math_DIVIDE() { clearCalcEngine(); CalcEngine.AppendNum(500); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(2); CalcEngine.Solve(); Assert.AreEqual(250, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(125, CalcEngine.GetDisplay()); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(0.5); CalcEngine.PrepareOperation("multiply"); Assert.AreEqual(250, CalcEngine.GetDisplay()); clearCalcEngine(); //-+ CalcEngine.AppendNum(-500); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(5); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-20, CalcEngine.GetDisplay()); clearCalcEngine(); //+- CalcEngine.AppendNum(500); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(-5); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(20, CalcEngine.GetDisplay()); clearCalcEngine(); //-- CalcEngine.AppendNum(-500); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(-5); CalcEngine.Solve(); Assert.AreEqual(100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-20, CalcEngine.GetDisplay()); clearCalcEngine(); //Check divide by Zero CalcEngine.AppendNum(5); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(0); Assert.IsFalse(CalcEngine.Solve()); }
public void math_ADD() { clearCalcEngine(); CalcEngine.AppendNum(83); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(17); CalcEngine.Solve(); Assert.AreEqual(100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(117, CalcEngine.GetDisplay()); //If you don't hit the add button again after hitting '=', then it assumes you're typing a new number CalcEngine.PrepareOperation("add"); //Now you may append a numbers CalcEngine.AppendNum(3); CalcEngine.PrepareOperation("subtract"); //Make sure display got updated after changing operation Assert.AreEqual(120, CalcEngine.GetDisplay()); clearCalcEngine(); //Now try every combination of negative values //-+ CalcEngine.AppendNum(-83); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(13); CalcEngine.Solve(); Assert.AreEqual(-70, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-57, CalcEngine.GetDisplay()); clearCalcEngine(); //+- CalcEngine.AppendNum(83); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(-13); CalcEngine.Solve(); Assert.AreEqual(70, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(57, CalcEngine.GetDisplay()); clearCalcEngine(); //-- CalcEngine.AppendNum(-83); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(-17); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-117, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void trig_TAN() { clearCalcEngine(); CalcEngine.m_useRadians = true; Assert.IsTrue(CalcEngine.m_useRadians); CalcEngine.AppendNum(55); CalcEngine.trig_fcns("tan"); Assert.IsTrue(Math.Tan(55) - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); clearCalcEngine(); CalcEngine.m_useRadians = false; Assert.IsFalse(CalcEngine.m_useRadians); CalcEngine.AppendNum(55); CalcEngine.trig_fcns("tan"); Assert.IsTrue(Math.Tan(55 * Math.PI / 180) - Math.Abs(CalcEngine.GetDisplay()) < 0.000000001); clearCalcEngine(); }
public void math_SUBTRACT() { clearCalcEngine(); CalcEngine.AppendNum(83); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(3); CalcEngine.Solve(); Assert.AreEqual(80, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(77, CalcEngine.GetDisplay()); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(7); CalcEngine.PrepareOperation("add"); Assert.AreEqual(70, CalcEngine.GetDisplay()); clearCalcEngine(); //-+ CalcEngine.AppendNum(-83); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(17); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-117, CalcEngine.GetDisplay()); clearCalcEngine(); //+- CalcEngine.AppendNum(83); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(-17); CalcEngine.Solve(); Assert.AreEqual(100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(117, CalcEngine.GetDisplay()); clearCalcEngine(); //-- CalcEngine.AppendNum(-83); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(-13); CalcEngine.Solve(); Assert.AreEqual(-70, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-57, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void math_MULTIPLY() { clearCalcEngine(); CalcEngine.AppendNum(10); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(5); CalcEngine.Solve(); Assert.AreEqual(50, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(250, CalcEngine.GetDisplay()); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(2); CalcEngine.PrepareOperation("divide"); Assert.AreEqual(500, CalcEngine.GetDisplay()); clearCalcEngine(); //-+ CalcEngine.AppendNum(-20); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(5); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-500, CalcEngine.GetDisplay()); clearCalcEngine(); //+- CalcEngine.AppendNum(20); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(-5); CalcEngine.Solve(); Assert.AreEqual(-100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(500, CalcEngine.GetDisplay()); clearCalcEngine(); //-- CalcEngine.AppendNum(-20); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(-5); CalcEngine.Solve(); Assert.AreEqual(100, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(-500, CalcEngine.GetDisplay()); clearCalcEngine(); }
public void misc_PERCENT() { //(+) clearCalcEngine(); CalcEngine.AppendNum(50); CalcEngine.PrepareOperation("add"); CalcEngine.AppendNum(25); CalcEngine.other_fcns("percent"); Assert.AreEqual(12.5, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(62.5, CalcEngine.GetDisplay()); //(-) clearCalcEngine(); CalcEngine.AppendNum(50); CalcEngine.PrepareOperation("subtract"); CalcEngine.AppendNum(25); CalcEngine.other_fcns("percent"); Assert.AreEqual(12.5, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(37.5, CalcEngine.GetDisplay()); //(*) clearCalcEngine(); CalcEngine.AppendNum(50); CalcEngine.PrepareOperation("multiply"); CalcEngine.AppendNum(25); CalcEngine.other_fcns("percent"); Assert.AreEqual(12.5, CalcEngine.GetDisplay()); CalcEngine.other_fcns("percent"); Assert.AreEqual(6.25, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(312.5, CalcEngine.GetDisplay()); //(/) clearCalcEngine(); CalcEngine.AppendNum(50); CalcEngine.PrepareOperation("divide"); CalcEngine.AppendNum(25); CalcEngine.other_fcns("percent"); Assert.AreEqual(12.5, CalcEngine.GetDisplay()); CalcEngine.Solve(); Assert.AreEqual(4, CalcEngine.GetDisplay()); clearCalcEngine(); }