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Format BigInteger directly

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This commit is contained in:
serso
2016-04-16 21:40:49 +02:00
parent 9e9e856c24
commit 85b9cdc56a
5 changed files with 130 additions and 14 deletions
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37
jscl/src/test/java/org/solovyev/common/NumberFormatterTest.java
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@@ -3,7 +3,10 @@ package org.solovyev.common;
import org.junit.Before;
import org.junit.Test;
import java.math.BigInteger;
import static java.lang.Math.pow;
import static java.math.BigInteger.TEN;
import static org.junit.Assert.assertEquals;
import static org.solovyev.common.NumberFormatter.DEFAULT_MAGNITUDE;
import static org.solovyev.common.NumberFormatter.NO_ROUNDING;
@@ -99,32 +102,66 @@ public class NumberFormatterTest {
// testing simple format with and without rounding
private void testSimpleFormat() {
assertEquals("0.00001", numberFormatter.format(pow(10, -5)));
assertEquals("100", numberFormatter.format(pow(10, 2)));
assertEquals("1", numberFormatter.format(BigInteger.ONE));
assertEquals("1000", numberFormatter.format(BigInteger.valueOf(1000)));
assertEquals("1000000000000000000", numberFormatter.format(pow(10, 18)));
assertEquals("1000000000000000000", numberFormatter.format(BigInteger.valueOf(10).pow(18)));
assertEquals("1E19", numberFormatter.format(pow(10, 19)));
assertEquals("1E19", numberFormatter.format(BigInteger.valueOf(10).pow(19)));
assertEquals("1E20", numberFormatter.format(pow(10, 20)));
assertEquals("1E20", numberFormatter.format(BigInteger.valueOf(10).pow(20)));
assertEquals("1E100", numberFormatter.format(pow(10, 100)));
assertEquals("1E100", numberFormatter.format(BigInteger.valueOf(10).pow(100)));
assertEquals("0.01", numberFormatter.format(pow(10, -2)));
assertEquals("5000000000000000000", numberFormatter.format(5000000000000000000d));
assertEquals("5000000000000000000", numberFormatter.format(BigInteger.valueOf(5000000000000000000L)));
assertEquals("5000000000000000000", numberFormatter.format(5000000000000000001d));
assertEquals("5000000000000000001", numberFormatter.format(BigInteger.valueOf(5000000000000000001L)));
assertEquals("5999999999999994900", numberFormatter.format(5999999999999994999d));
assertEquals("5999999999999994999", numberFormatter.format(BigInteger.valueOf(5999999999999994999L)));
assertEquals("5E19", numberFormatter.format(50000000000000000000d));
assertEquals("5E19", numberFormatter.format(BigInteger.valueOf(5L).multiply(TEN.pow(19))));
assertEquals("5E40", numberFormatter.format(50000000000000000000000000000000000000000d));
assertEquals("5E40", numberFormatter.format(BigInteger.valueOf(5L).multiply(TEN.pow(40))));
}
// testing scientific format with and without rounding
private void testScientificFormat() {
assertEquals("0.00001", numberFormatter.format(pow(10, -5)));
assertEquals("1E-6", numberFormatter.format(pow(10, -6)));
assertEquals("100", numberFormatter.format(pow(10, 2)));
assertEquals("100", numberFormatter.format(TEN.pow(2)));
assertEquals("10000", numberFormatter.format(pow(10, 4)));
assertEquals("10000", numberFormatter.format(TEN.pow(4)));
assertEquals("1E5", numberFormatter.format(pow(10, 5)));
assertEquals("1E5", numberFormatter.format(TEN.pow(5)));
assertEquals("1E18", numberFormatter.format(pow(10, 18)));
assertEquals("1E18", numberFormatter.format(TEN.pow(18)));
assertEquals("1E19", numberFormatter.format(pow(10, 19)));
assertEquals("1E19", numberFormatter.format(TEN.pow( 19)));
assertEquals("1E20", numberFormatter.format(pow(10, 20)));
assertEquals("1E20", numberFormatter.format(TEN.pow(20)));
assertEquals("1E100", numberFormatter.format(pow(10, 100)));
assertEquals("1E100", numberFormatter.format(TEN.pow(100)));
assertEquals("0.01", numberFormatter.format(pow(10, -2)));
assertEquals("1E-17", numberFormatter.format(pow(10, -17)));