forked from hummel/PR1-Spreadsheet
Function Calc
Added calculations for every function calculation + tests & small input error improvements, added size limit for spreadsheet, smnall changes to input textmain
parent
f94028b6c8
commit
33ed4534f0
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@ -16,9 +16,9 @@ public class Axel {
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static Spreadsheet spr = new Spreadsheet(11,11);
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public static void main(String[] args) throws FileNotFoundException {
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// Spreadsheet spr = new Spreadsheet(6,9);
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System.out.println("Welcome to Axel (Totally not Excel)");
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System.out.println();
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/*
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spr.put("A1", "1");
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spr.put("A2", "1");
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spr.put("A3", "123");
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@ -29,15 +29,16 @@ public class Axel {
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spr.put("B4", "=41+A2");
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spr.put("C5", "=7*6");
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spr.put("D1", "=3/2");
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*/
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progLoad();
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System.out.println(spr);
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// spr.saveCsv("/tmp/test.csv");
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// DONE: You might want to put "UI loop" for entering value and formulas here resp. in some UI methods.
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// TODO ME: Implement program commands
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System.out.println("Welcome to Axel (Totally not Excel)");
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System.out.println();
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while(true) {
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String userCommandPositionInput = userCommandPositionInput();
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@ -48,7 +49,7 @@ public class Axel {
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}
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String userPositionInput = userCommandPositionInput;
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String userValueFormulaInput = userValueFormulaInput();
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String userValueFormulaInput = userValueFormulaInput(userPositionInput);
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spr.put(userPositionInput, userValueFormulaInput);
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@ -86,7 +87,7 @@ public class Axel {
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}
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//? Position
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if (!(userPositionErrorCheck(userCommandPositionInput))){
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if (!(userPositionErrorCheck(userCommandPositionInput, spr))){
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System.out.println("Invalid position!");
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return userCommandPositionInput();
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}
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@ -110,7 +111,7 @@ public class Axel {
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return false;
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}
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public static boolean userPositionErrorCheck(String positionToCheck){
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public static boolean userPositionErrorCheck(String positionToCheck, Spreadsheet spr){
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//? true if valid
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//? valid inputs are: A1, B14, C79, E99, F1, G99, J1, M98, ... (and all lower case variants)
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@ -149,27 +150,27 @@ public class Axel {
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//? User input for a value or a formula
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public static String userValueFormulaInput(){
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public static String userValueFormulaInput(String currentPos){
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System.out.println();
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System.out.printf("Input a value of a formula for the selected position.%n");
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System.out.printf("Input a value of a formula for the selected position: %s.%n", currentPos);
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System.out.printf("Format for a value: 7 or 1337 %nFormat for a formula: =7*6 or =SUMME(A1:A3)%n");
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System.out.print("Input: ");
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String userCommandInput = keyboard.nextLine();
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return userValueFormulaComputation(userCommandInput);
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return userValueFormulaComputation(userCommandInput, currentPos);
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}
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public static String userValueFormulaComputation(String userValueFormulaInput){
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public static String userValueFormulaComputation(String userValueFormulaInput, String currentPos){
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if (userValueFormulaInput.isEmpty()){
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System.out.println("Input is empty!");
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return userValueFormulaInput();
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return userValueFormulaInput(currentPos);
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}
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//? Formula
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if (userValueFormulaInput.charAt(0) == '='){
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if (!(userFormulaErrorCheck(userValueFormulaInput))) {
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System.out.println("Invalid formula!");
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return userValueFormulaInput();
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return userValueFormulaInput(currentPos);
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}
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return userValueFormulaInput;
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}
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@ -177,7 +178,7 @@ public class Axel {
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//? Value
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if (!(userValueErrorCheck(userValueFormulaInput))){
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System.out.println("Invalid value!");
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return userValueFormulaInput();
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return userValueFormulaInput(currentPos);
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}
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return userValueFormulaInput;
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@ -202,19 +203,41 @@ public class Axel {
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public static boolean userFormulaFunctionErrorCheck(String functionToCheck){
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String[] functionCorners = spr.isolateFunctionCorners(functionToCheck);
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String[] functionBlock= spr.wholeFunctionBlock(functionToCheck);
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if (functionCorners.length != 2){
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return false;
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}
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for (String functionCorner: functionCorners){
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System.out.printf("Corner: %s - Cell test: %s %n", functionCorner, spr.isValueCellName(functionCorner));
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if (!(spr.isValueCellName(functionCorner).equals("cellName"))){
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return false;
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}
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if (!userPositionBoundsErrorCheck(functionCorner, spr)){
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System.out.print("Out of bounds - ");
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return false;
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}
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}
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if (functionToCheck.startsWith("MITTELWERT(") || functionToCheck.startsWith("STABW(")) {
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String[] functionBlock= spr.wholeFunctionBlock(functionToCheck);
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boolean allEmpty = true;
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for (String cell : functionBlock) {
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if (!cell.isEmpty()){
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allEmpty = false;
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}
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}
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if (allEmpty){
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System.out.print("Division by zero - ");
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return false;
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}
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}
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if (functionToCheck.startsWith("STABW(")) {
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String[] functionBlock= spr.wholeFunctionBlock(functionToCheck);
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String[] notEmptyValues = spr.extractNotEmptyCells(functionBlock);
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if (notEmptyValues.length < 2){
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System.out.print("Division by zero - ");
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return false;
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}
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}
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@ -273,6 +296,9 @@ public class Axel {
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spr.put("K11", "100");
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spr.put("J4", "4");
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spr.put("I10", "69");
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spr.put("F5", "3");
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spr.put("G4", "2");
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spr.put("G5", "3");
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}
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}
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@ -1,5 +1,6 @@
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package de.hs_mannheim.informatik.spreadsheet;
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import javax.naming.ldap.spi.LdapDnsProviderResult;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.PrintWriter;
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@ -25,6 +26,15 @@ public class Spreadsheet {
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// TODO limit the maximum size on 99 (1..99) rows and 26 (A..Z) columns
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if (rows > 99){
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System.out.printf("Row size %d is bigger then 99, value will be set to 99! %n", rows);
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rows = 99;
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}
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if (cols > 26){
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System.out.printf("Col size %d is bigger then 26, value will be set to 26! %n", cols);
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cols = 26;
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}
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cells = new Cell[rows][cols];
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for (int r = 0; r < rows; r++)
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@ -101,7 +111,7 @@ public class Spreadsheet {
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else
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out.print(cell.getValue());
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if (cell != row[cells.length-1])
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if (cell != row[cells[0].length-1])
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out.print(",");
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}
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out.println();
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@ -120,24 +130,24 @@ public class Spreadsheet {
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private void evaluateCell(int row, int col) {
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String formula = cells[row][col].getFormula();
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String result = "";
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isolateFunctionCorners(formula);
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if (formula.startsWith("SUMME(")) // e.g. SUMME(A3:A8)
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result = "" + sum(formula.substring(6, 8), formula.substring(9, 11)); // TODO adapt to cells with two digits
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result = "" + sum(formula);
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else if (formula.startsWith("PRODUKT(")) // e.g. PRODUKT(A3:B9)
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result = "TODO"; // TODO
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result = "" + prod(formula);
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else if (formula.startsWith("MITTELWERT(")) // e.g. MITTELWERT(A3:A5)
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result = "TODO"; // TODO
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result = "" + avrg(formula);
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else if (formula.startsWith("STABW(")) // e.g. STABW(C6:D8) -> Standardabweichung
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result = "TODO"; // TODO
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result = "" + stdDevp(formula);
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else if (formula.startsWith("MIN(")) // e.g. MIN(C13:H13) -> größter Wert
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result = "TODO"; // TODO
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result = "" + min(formula);
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else if (formula.startsWith("MAX(")) // e.g. MAX(A1:A10) -> Standardabweichung
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result = "TODO"; // TODO
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result = "" + max(formula);
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else if (!formula.isEmpty()) {
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try {
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@ -146,7 +156,6 @@ public class Spreadsheet {
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result = "exc.";
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}
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}
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cells[row][col].setValue("" + result);
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}
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@ -183,19 +192,157 @@ public class Spreadsheet {
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block.add(String.format("%c%d", charCol, rowInt));
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}
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}
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return block.toArray(new String[0]);
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}
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/**
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/*
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* Method for calculating the sum of a rectangular block of cells, such as from A1 to B3.
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* @param startCellName The name of the cell in the upper left corner of the rectangle.
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* @param endCellName The name of the cell in the lower right corner of the rectangle.
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* @return The sum calculated.
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*/
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private long sum(String startCellName, String endCellName) {
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// TODO implement
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public long sum(String formula) {
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String[] block = wholeFunctionBlock(formula);
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long res = 0;
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return 0;
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for (String cellName : block){
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String cellValue = get(cellName);
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long value = cellValue.isEmpty() ? 0 : Long.parseLong(cellValue);
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res += value;
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}
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return res;
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}
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public long prod(String formula){
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String[] block = wholeFunctionBlock(formula);
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long res = 1;
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boolean allEmpty = true;
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for (String cellName : block){
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String cellValue = get(cellName);
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if (!cellValue.isEmpty()){
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allEmpty = false;
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}
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long value = cellValue.isEmpty() ? 1 : Long.parseLong(cellValue);
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res *= value;
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}
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if (allEmpty){
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res = 0;
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}
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return res;
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}
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public long avrg(String formula){
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String[] block = wholeFunctionBlock(formula);
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boolean allEmpty = true;
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long res = 0;
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int counter = 0;
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for (String cellName : block){
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String cellValue = get(cellName);
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if (cellValue.isEmpty()){
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continue;
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}
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allEmpty = false;
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res += Long.parseLong(cellValue);
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counter++;
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}
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if (allEmpty){
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System.out.println("Division by zero! Value set to 0");
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return 0;
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}
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res = res/counter;
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return res;
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}
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public long stdDevp(String formula){
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String[] block = wholeFunctionBlock(formula);
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String[] notEmptyValues = extractNotEmptyCells(block);
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if(notEmptyValues.length < 2){
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System.out.println("Division by zero! Value set to 0");
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return 0;
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}
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long meanValue = avrg(formula);
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long squaredDiffsSum = 0;
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for (String value : notEmptyValues){
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long difference = Long.parseLong(value) - meanValue;
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squaredDiffsSum += (long) Math.pow(difference, 2);
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}
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long variance = squaredDiffsSum / (notEmptyValues.length - 1);
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return (long) Math.sqrt(variance);
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}
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public long min(String formula){
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String[] block = wholeFunctionBlock(formula);
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String firstElement = "";
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long currentSmallest = 0;
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for (int i = 0; i < block.length; i++) {
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String cellValue = get(block[i]);
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if (cellValue.isEmpty()) {
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continue;
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}
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if (firstElement.isEmpty()){
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firstElement = get(block[i]);
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currentSmallest = Long.parseLong(firstElement);
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}
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long value = Long.parseLong(cellValue);
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if (value < currentSmallest){
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currentSmallest = value;
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}
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}
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return currentSmallest;
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}
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public long max(String formula){
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String[] block = wholeFunctionBlock(formula);
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String firstElement = "";
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long currentBiggest = 0;
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for (int i = 0; i < block.length; i++) {
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String cellValue = get(block[i]);
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if (cellValue.isEmpty()) {
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continue;
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}
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if (firstElement.isEmpty()){
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firstElement = get(block[i]);
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currentBiggest = Long.parseLong(firstElement);
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}
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long value = Long.parseLong(cellValue);
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if (value > currentBiggest){
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currentBiggest = value;
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}
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}
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return currentBiggest;
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}
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public String[] extractNotEmptyCells(String[] block){
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ArrayList<String> notEmptyValues = new ArrayList<String>();
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for (String cell : block) {
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String cellValue = get(cell);
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if (!cellValue.isEmpty()){
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notEmptyValues.add(cellValue);
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}
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}
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return notEmptyValues.toArray(new String[0]);
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}
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/**
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@ -209,7 +356,6 @@ public class Spreadsheet {
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*/
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public long calculate(String formula) throws ArithmeticException {
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long res = 0;
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// TODO implement
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ArrayList<String> formulaElements = extractExpressionElements(formula);
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@ -274,9 +420,6 @@ public class Spreadsheet {
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return res;
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}
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private void emptyCellZero(){
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}
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public String isValueCellName(String sToCheck){
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//? 7 -> "value", A1 -> "cellName", 7A -> "invalid"
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@ -34,25 +34,24 @@ class AxelTest {
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String[] failureTestList = {"A100", "Z101", "AA1", "AB2", "ZZ1", "A1A", "FHT", "AAA", "G3U", "ZZZ", "2A", "47H", "AAAA", "test", "TEST", "save", "*save", "*exit"};
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for (String successTest : successTestList) {
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assertTrue(Axel.userPositionErrorCheck(successTest));
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assertTrue(Axel.userPositionErrorCheck(successTest, testspr));
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}
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for (String failureTest : failureTestList) {
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assertFalse(Axel.userPositionErrorCheck(failureTest));
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assertFalse(Axel.userPositionErrorCheck(failureTest, testspr));
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}
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//? Out of bounds test
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Spreadsheet testSpr = new Spreadsheet(6,8);
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Spreadsheet smallTestSpr = new Spreadsheet(6,8);
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String[] successBoundsTest = {"A1", "a1", "b3", "c5", "A3", "H6", "h6"};
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String[] failureBoundsTest = {"i2", "J6", "B7", "K9", "Z99"};
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for (String successTest : successBoundsTest) {
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assertTrue(Axel.userPositionBoundsErrorCheck(successTest, testSpr));
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assertTrue(Axel.userPositionBoundsErrorCheck(successTest, smallTestSpr));
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}
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for (String failureTest : failureBoundsTest) {
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assertFalse(Axel.userPositionBoundsErrorCheck(failureTest, testSpr));
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assertFalse(Axel.userPositionBoundsErrorCheck(failureTest, smallTestSpr));
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}
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}
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@ -84,8 +83,7 @@ class AxelTest {
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@org.junit.jupiter.api.Test
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@org.junit.jupiter.api.DisplayName("Normal calculation")
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void calculate() {
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putTestSpr(testspr);
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putTestSpr();
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String[] successTestList = {"=2*3", "=2+3", "=5-2", "=6/2", "7/2", "101/2", "=5+6-10*2", "=4-3+50-1/2", "=A1", "=K11", "=A1+A2+A3+A4", "=K11/2/5*2-15", "=a1+A2*a4-6+E7", "=a2-A1+J4-3"};
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long[] successTestResult = {6, 5, 3, 3, 3, 50, 2, 25, 1, 100, 10, 5, 6, 2};
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@ -104,6 +102,7 @@ class AxelTest {
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assertNotEquals(failureTestResult[i], testspr.calculate(failureTestList[i]));
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}
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}
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@org.junit.jupiter.api.Test
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@org.junit.jupiter.api.DisplayName("Is CellName")
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void isValueCellName(){
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@ -145,8 +144,86 @@ class AxelTest {
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}
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}
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@org.junit.jupiter.api.Test
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@org.junit.jupiter.api.DisplayName("Sum")
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void sum(){
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putTestSpr();
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String[] successTestList = {"SUMME(A1:B2)", "summe(B1:e1)", "Summe(B4:I10)", "SUMME(K1:K11)", "SUMME(F1:H1)", "SUMME(F4:G5)", "SUMME(A3:a3)"};
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long[] successResultList = {14, 5, 85, 300, 0, 8, 3};
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private void putTestSpr(Spreadsheet testspr){
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for (int i = 0; i < successTestList.length; i++) {
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String testElement = successTestList[i].toUpperCase();
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assertEquals(successResultList[i], testspr.sum(testElement));
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}
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}
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@org.junit.jupiter.api.Test
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@org.junit.jupiter.api.DisplayName("Product")
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void prod(){
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putTestSpr();
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String[] successTestList = {"PRODUKT(A1:B2)", "PRODUKT(A2:B3)", "PRODUKT(B1:C4)", "Produkt(F1:H1)", "produkt(f4:g5)", "PRODUKT(A3:a3)"};
|
||||
long[] successResultList = {60, 252, 1680, 0, 18, 3};
|
||||
|
||||
for (int i = 0; i < successTestList.length; i++) {
|
||||
String testElement = successTestList[i].toUpperCase();
|
||||
assertEquals(successResultList[i], testspr.prod(testElement));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@org.junit.jupiter.api.Test
|
||||
@org.junit.jupiter.api.DisplayName("Average")
|
||||
void avrg(){
|
||||
putTestSpr();
|
||||
String[] successTestList = {"MITTELWERT(A1:B4)", "MITTELWERT(A3:B4)", "MITTELWERT(A1:A4)", "mittelwert(K1:K11)","Mittelwert(F1:H1)" ,"MITTELWERT(f4:g5)", "MITTELWERT(A3:a3)"};
|
||||
long[] successResultList = {4, 5, 2, 150, 0, 2, 3};
|
||||
|
||||
for (int i = 0; i < successTestList.length; i++) {
|
||||
String testElement = successTestList[i].toUpperCase();
|
||||
assertEquals(successResultList[i], testspr.avrg(testElement));
|
||||
}
|
||||
}
|
||||
|
||||
@org.junit.jupiter.api.Test
|
||||
@org.junit.jupiter.api.DisplayName("Standard deviation")
|
||||
void stdDevp(){
|
||||
putTestSpr();
|
||||
String[] successTestList = {"STABW(A1:B4)", "STABW(A2:B3)", "STABW(A1:A4)", "STABW(K1:K11)", "stabw(f1:H1)", "Stabw(f4:g5)", "STAbW(a3:a3)"};
|
||||
long[] successResultList = {2, 2, 1, 70, 0, 1, 0};
|
||||
|
||||
for (int i = 0; i < successTestList.length; i++) {
|
||||
String testElement = successTestList[i].toUpperCase();
|
||||
assertEquals(successResultList[i], testspr.stdDevp(testElement));
|
||||
}
|
||||
}
|
||||
|
||||
@org.junit.jupiter.api.Test
|
||||
@org.junit.jupiter.api.DisplayName("Min value")
|
||||
void min(){
|
||||
putTestSpr();
|
||||
String[] successTestList = {"MIN(A1:B4)", "MIN(A2:B3)", "MIN(A1:A4)", "MIN(K1:K11)", "min(f1:H1)", "Min(f4:g5)", "min(a3:a3)"};
|
||||
long[] successResultList = {1, 2, 1, 100, 0, 2, 3};
|
||||
|
||||
for (int i = 0; i < successTestList.length; i++) {
|
||||
String testElement = successTestList[i].toUpperCase();
|
||||
assertEquals(successResultList[i], testspr.min(testElement));
|
||||
}
|
||||
}
|
||||
|
||||
@org.junit.jupiter.api.Test
|
||||
@org.junit.jupiter.api.DisplayName("Max value")
|
||||
void max(){
|
||||
putTestSpr();
|
||||
String[] successTestList = {"MAX(A1:B4)", "MAX(A2:B3)", "MAX(A1:A4)", "MAX(K1:K11)", "max(f1:H1)", "Max(f4:g5)", "max(a3:a3)"};
|
||||
long[] successResultList = {8, 7, 4, 200, 0, 3, 3};
|
||||
|
||||
for (int i = 0; i < successTestList.length; i++) {
|
||||
String testElement = successTestList[i].toUpperCase();
|
||||
assertEquals(successResultList[i], testspr.max(testElement));
|
||||
}
|
||||
}
|
||||
|
||||
private void putTestSpr(){
|
||||
testspr.put("A1", "1");
|
||||
testspr.put("A2", "2");
|
||||
testspr.put("A3", "3");
|
||||
|
@ -159,5 +236,8 @@ class AxelTest {
|
|||
testspr.put("K11", "100");
|
||||
testspr.put("J4", "4");
|
||||
testspr.put("I10", "69");
|
||||
testspr.put("F5", "3");
|
||||
testspr.put("G4", "2");
|
||||
testspr.put("G5", "3");
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue