TestDec2Hex.java
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package org.apache.poi.ss.formula.functions;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.WorkbookEvaluator;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.NumberEval;
import org.apache.poi.ss.formula.eval.StringEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.junit.jupiter.api.Test;
/**
* Tests for {@link Dec2Hex}
*/
final class TestDec2Hex {
private static ValueEval invokeValue(String number1, String number2) {
ValueEval[] args = new ValueEval[] { new StringEval(number1), new StringEval(number2), };
return new Dec2Hex().evaluate(args, -1, -1);
}
private static ValueEval invokeBack(String number1) {
ValueEval[] args = new ValueEval[] { new StringEval(number1) };
return new Hex2Dec().evaluate(args, -1, -1);
}
private static ValueEval invokeValue(String number1) {
ValueEval[] args = new ValueEval[] { new StringEval(number1), };
return new Dec2Hex().evaluate(args, -1, -1);
}
private static void confirmValue(String msg, String number1, String number2, String expected) {
ValueEval result = invokeValue(number1, number2);
assertEquals(StringEval.class, result.getClass());
assertEquals(expected, ((StringEval) result).getStringValue(), msg);
}
private static void confirmValue(String msg, String number1, String expected) {
ValueEval result = invokeValue(number1);
assertEquals(StringEval.class, result.getClass());
assertEquals(expected, ((StringEval) result).getStringValue(), msg);
}
private static void confirmValueError(String msg, String number1, String number2, ErrorEval numError) {
ValueEval result = invokeValue(number1, number2);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(numError, result, msg);
}
@Test
void testBasic() {
confirmValue("Converts decimal 100 to hexadecimal with 0 characters (64)", "100","0", "64");
confirmValue("Converts decimal 100 to hexadecimal with 4 characters (0064)", "100","4", "0064");
confirmValue("Converts decimal 100 to hexadecimal with 5 characters (0064)", "100","5", "00064");
confirmValue("Converts decimal 100 to hexadecimal with 10 (default) characters", "100","10", "0000000064");
confirmValue("If argument places contains a decimal value, dec2hex ignores the numbers to the right side of the decimal point.", "100","10.0", "0000000064");
confirmValue("Converts decimal -54 to hexadecimal, 2 is ignored","-54", "2", "FFFFFFFFCA");
confirmValue("places is optionnal","-54", "FFFFFFFFCA");
confirmValue("Converts normal decimal number to hexadecimal", "100", "64");
String maxInt = Integer.toString(Integer.MAX_VALUE);
assertEquals("2147483647", maxInt);
confirmValue("Converts INT_MAX to hexadecimal", maxInt, "7FFFFFFF");
String minInt = Integer.toString(Integer.MIN_VALUE);
assertEquals("-2147483648", minInt);
confirmValue("Converts INT_MIN to hexadecimal", minInt, "FF80000000");
String maxIntPlusOne = Long.toString(((long)Integer.MAX_VALUE)+1);
assertEquals("2147483648", maxIntPlusOne);
confirmValue("Converts INT_MAX + 1 to hexadecimal", maxIntPlusOne, "80000000");
String maxLong = Long.toString(549755813887L);
assertEquals("549755813887", maxLong);
confirmValue("Converts the max supported value to hexadecimal", maxLong, "7FFFFFFFFF");
String minLong = Long.toString(-549755813888L);
assertEquals("-549755813888", minLong);
confirmValue("Converts the min supported value to hexadecimal", minLong, "FF80000000");
}
@Test
void testErrors() {
confirmValueError("Out of range min number","-549755813889","0", ErrorEval.NUM_ERROR);
confirmValueError("Out of range max number","549755813888","0", ErrorEval.NUM_ERROR);
confirmValueError("negative places not allowed","549755813888","-10", ErrorEval.NUM_ERROR);
confirmValueError("non number places not allowed","ABCDEF","0", ErrorEval.VALUE_INVALID);
}
@Test
void testEvalOperationEvaluationContextFails() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ErrorEval.VALUE_INVALID };
ValueEval result = new Dec2Hex().evaluate(args, ctx);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
private OperationEvaluationContext createContext() {
HSSFWorkbook wb = new HSSFWorkbook();
Sheet sheet = wb.createSheet();
Row row = sheet.createRow(0);
Cell cell = row.createCell(0);
cell.setCellValue("123.43");
cell = row.createCell(1);
cell.setCellValue("8");
cell = row.createCell(2);
cell.setCellValue("-8");
HSSFEvaluationWorkbook workbook = HSSFEvaluationWorkbook.create(wb);
WorkbookEvaluator workbookEvaluator = new WorkbookEvaluator(workbook, (sheetIndex, rowIndex, columnIndex) -> true, null);
return new OperationEvaluationContext(workbookEvaluator, workbook, 0, 0, 0, null);
}
@Test
void testRefs() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0) };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(StringEval.class, result.getClass(), "Had: " + result);
assertEquals("7B", ((StringEval) result).getStringValue());
}
@Test
void testWithPlacesIntInt() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(StringEval.class, result.getClass(), "Had: " + result);
assertEquals("0000007B", ((StringEval) result).getStringValue());
}
@Test
void testWithPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Hex().evaluate(args, ctx);
assertEquals(StringEval.class, result.getClass(), "Had: " + result);
assertEquals("0000007B", ((StringEval) result).getStringValue());
}
@Test
void testWithTooManyParamsIntInt() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
@Test
void testWithTooManyParams() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 1), ctx.getRefEval(0, 1) };
ValueEval result = new Dec2Hex().evaluate(args, ctx);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
@Test
void testWithErrorPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ErrorEval.NULL_INTERSECTION };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NULL_INTERSECTION, result);
}
@Test
void testWithNegativePlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(0, 2) };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.NUM_ERROR, result);
}
@Test
void testWithEmptyPlaces() {
OperationEvaluationContext ctx = createContext();
ValueEval[] args = new ValueEval[] { ctx.getRefEval(0, 0), ctx.getRefEval(1, 0) };
ValueEval result = new Dec2Hex().evaluate(args, -1, -1);
assertEquals(ErrorEval.class, result.getClass());
assertEquals(ErrorEval.VALUE_INVALID, result);
}
@Test
void testBackAndForth() {
for (int i = -512; i < 512; i++) {
ValueEval result = invokeValue(Integer.toString(i));
assertEquals(StringEval.class, result.getClass(), "Had: " + result);
ValueEval back = invokeBack(((StringEval) result).getStringValue());
assertEquals(NumberEval.class, back.getClass(), "Had: " + back);
assertEquals(Integer.toString(i), ((NumberEval) back).getStringValue());
}
}
}