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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.poi.ss.formula.functions;
import org.apache.poi.ss.formula.eval.*;
import org.apache.poi.util.StringUtil;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Tests WEEKDAY(serial_number[, return_type]) excep function
* https://support.office.com/en-us/article/WEEKDAY-function-60E44483-2ED1-439F-8BD0-E404C190949A
*/
public class TestWeekdayFunc {
private static final double TOLERANCE = 0.001;
private void assertEvaluateEquals(double expected, double serial_number) {
String formula = "WEEKDAY(" + serial_number + ")";
ValueEval[] args = new ValueEval[] { new NumberEval(serial_number) };
NumberEval result = (NumberEval) WeekdayFunc.instance.evaluate(args, 0, 0);
assertEquals(formula, expected, result.getNumberValue(), TOLERANCE);
}
private void assertEvaluateEquals(double expected, double serial_number, double return_type) {
String formula = "WEEKDAY(" + serial_number + ", " + return_type + ")";
ValueEval[] args = new ValueEval[] { new NumberEval(serial_number), new NumberEval(return_type) };
NumberEval result = (NumberEval) WeekdayFunc.instance.evaluate(args, 0, 0);
assertEquals(formula, expected, result.getNumberValue(), TOLERANCE);
}
@Test
public void testEvaluate() throws Exception {
assertEvaluateEquals(2.0, 1.0);
assertEvaluateEquals(2.0, 1.0, 1.0);
assertEvaluateEquals(1.0, 1.0, 2.0);
assertEvaluateEquals(0.0, 1.0, 3.0);
assertEvaluateEquals(1.0, 1.0, 11.0);
assertEvaluateEquals(7.0, 1.0, 12.0);
assertEvaluateEquals(6.0, 1.0, 13.0);
assertEvaluateEquals(5.0, 1.0, 14.0);
assertEvaluateEquals(4.0, 1.0, 15.0);
assertEvaluateEquals(3.0, 1.0, 16.0);
assertEvaluateEquals(2.0, 1.0, 17.0);
assertEvaluateEquals(3.0, 39448.0);
assertEvaluateEquals(3.0, 39448.0, 1.0);
assertEvaluateEquals(2.0, 39448.0, 2.0);
assertEvaluateEquals(1.0, 39448.0, 3.0);
assertEvaluateEquals(2.0, 39448.0, 11.0);
assertEvaluateEquals(1.0, 39448.0, 12.0);
assertEvaluateEquals(7.0, 39448.0, 13.0);
assertEvaluateEquals(6.0, 39448.0, 14.0);
assertEvaluateEquals(5.0, 39448.0, 15.0);
assertEvaluateEquals(4.0, 39448.0, 16.0);
assertEvaluateEquals(3.0, 39448.0, 17.0);
}
// for testing invalid invocations
private void assertEvaluateEquals(String message, ErrorEval expected, ValueEval... args) {
String formula = "WEEKDAY(" + StringUtil.join(args, ", ") + ")";
ValueEval result = WeekdayFunc.instance.evaluate(args, 0, 0);
assertEquals(formula + ": " + message, expected, result);
}
@Test
public void testEvaluateInvalid() throws Exception {
assertEvaluateEquals("no args", ErrorEval.VALUE_INVALID);
assertEvaluateEquals("too many args", ErrorEval.VALUE_INVALID, new NumberEval(1.0), new NumberEval(1.0), new NumberEval(1.0));
assertEvaluateEquals("negative date", ErrorEval.NUM_ERROR, new NumberEval(-1.0));
assertEvaluateEquals("cannot coerce serial_number to number", ErrorEval.VALUE_INVALID, new StringEval(""));
assertEvaluateEquals("cannot coerce return_type to number", ErrorEval.VALUE_INVALID, new StringEval("1"), new StringEval(""));
assertEvaluateEquals("return_type is blank", ErrorEval.NUM_ERROR, new StringEval("2"), BlankEval.instance);
assertEvaluateEquals("return_type is missing", ErrorEval.NUM_ERROR, new StringEval("3"), MissingArgEval.instance);
assertEvaluateEquals("invalid return_type", ErrorEval.NUM_ERROR, new NumberEval(1.0), new NumberEval(18.0));
}
}