BAEL-3517: Code Review Feedback Applied
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package com.baeldung.doubletolong;
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import org.junit.Assert;
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import org.junit.Test;
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public class DoubleToLongUnitTest {
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final static double VALUE = 9999.999;
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@Test
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public void givenDoubleValue_whenLongValueCalled_thenLongValueReturned() {
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Assert.assertEquals(9999L, Double.valueOf(VALUE)
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.longValue());
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}
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@Test
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public void givenDoubleValue_whenMathRoundUseds_thenLongValueReturned() {
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Assert.assertEquals(10000L, Math.round(VALUE));
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}
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@Test
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public void givenDoubleValue_whenMathCeilUsed_thenLongValueReturned() {
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Assert.assertEquals(10000L, Math.ceil(VALUE), 0);
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}
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@Test
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public void givenDoubleValue_whenMathFloorUsed_thenLongValueReturned() {
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Assert.assertEquals(9999L, Math.floor(VALUE), 0);
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}
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@Test
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public void givenDoubleValue_whenTypeCasted_thenLongValueReturned() {
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Assert.assertEquals(9999L, (long) VALUE);
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}
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}
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