java_upgrade/src/test/java/streams/SumBigDecimalsTest.java at main · ps4/java_upgrade · GitHub

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package streams;

import org.junit.jupiter.api.Disabled;

import org.junit.jupiter.api.Test;

import java.math.BigDecimal;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class SumBigDecimalsTest {

private final SumBigDecimals summer = new SumBigDecimals();

@Test

public void sumFirstN_usingReduce() {

BigDecimal answer = summer.sumFirstN_usingReduce(10);

assertEquals(new BigDecimal("55"), answer);

}

@Test @Disabled("disable until demo")

public void sumFirstNDoubledValues() {

BigDecimal answer = summer.sumDoubles(10);

// Used to show how reduce method without identity can give error

assertEquals(new BigDecimal("110"), answer);

}

@Test

public void sumFirstNDoubledValuesInitialized() {

BigDecimal answer = summer.sumDoublesInitialized(10);

assertEquals(new BigDecimal("110"), answer);

}

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