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// Test of BigDecimal constructors.
// Copyright 2012 Red Hat, Inc.
// Written by Pavel Tisnovsky <ptisnovs@redhat.com>
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
// Tags: JDK1.5
package gnu.testlet.java.math.BigDecimal;
import java.math.BigDecimal;
import java.math.MathContext;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* Test if instance of BigDecimal class could be created
* directly from a string.
*/
public class constructorString implements Testlet
{
/**
* Strings used as a parameter passed to constructors.
*/
private static final String STRING_LITERAL_0 = "0.0";
private static final String STRING_LITERAL_1 = "0.1";
private static final String STRING_LITERAL_2 = "0.01";
private static final String STRING_LITERAL_3 = "0.001";
private static final String STRING_LITERAL_4 = "0.0001";
private static final String STRING_LITERAL_5 = "0.00001";
private static final String STRING_LITERAL_6 = "0.000001";
private static final String STRING_LITERAL_7 = "0.0000001";
private static final String STRING_LITERAL_8 = "0.01E5";
private static final String STRING_LITERAL_9 = "1000E-5";
/**
* Strings used by negative tests.
*/
private static final String NEG_STRING_LITERAL_0 = "obviously not-a-number";
private static final String NEG_STRING_LITERAL_1 = "--0";
private static final String NEG_STRING_LITERAL_2 = "123qwe";
private static final String NEG_STRING_LITERAL_3 = "qwe123";
private static final String NEG_STRING_LITERAL_4 = "0.0.0";
private static final String NEG_STRING_LITERAL_5 = "-0.0.0";
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
// positive tests
test1(harness);
test2(harness);
// negative tests
test3(harness);
test4(harness);
}
/**
* Constructor BigDecimal(String)
*/
public void test1(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(String)");
try {
harness.check(new BigDecimal(STRING_LITERAL_0).toString (), "0.0");
harness.check(new BigDecimal(STRING_LITERAL_1).toString (), "0.1");
harness.check(new BigDecimal(STRING_LITERAL_2).toString (), "0.01");
harness.check(new BigDecimal(STRING_LITERAL_3).toString (), "0.001");
harness.check(new BigDecimal(STRING_LITERAL_4).toString (), "0.0001");
harness.check(new BigDecimal(STRING_LITERAL_5).toString (), "0.00001");
harness.check(new BigDecimal(STRING_LITERAL_6).toString (), "0.000001");
harness.check(new BigDecimal(STRING_LITERAL_7).toString (), "1E-7");
harness.check(new BigDecimal(STRING_LITERAL_8).toString (), "1E+3");
harness.check(new BigDecimal(STRING_LITERAL_9).toString (), "0.01000");
}
catch (Exception e) {
harness.fail("Exception should not be thrown here." + e);
}
}
/**
* Constructor BigDecimal(String, MathContext)
*/
public void test2(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(String, MathContext)");
try {
harness.check(new BigDecimal(STRING_LITERAL_0, MathContext.UNLIMITED).toString (), "0.0");
harness.check(new BigDecimal(STRING_LITERAL_1, MathContext.UNLIMITED).toString (), "0.1");
harness.check(new BigDecimal(STRING_LITERAL_2, MathContext.UNLIMITED).toString (), "0.01");
harness.check(new BigDecimal(STRING_LITERAL_3, MathContext.UNLIMITED).toString (), "0.001");
harness.check(new BigDecimal(STRING_LITERAL_4, MathContext.UNLIMITED).toString (), "0.0001");
harness.check(new BigDecimal(STRING_LITERAL_5, MathContext.UNLIMITED).toString (), "0.00001");
harness.check(new BigDecimal(STRING_LITERAL_6, MathContext.UNLIMITED).toString (), "0.000001");
harness.check(new BigDecimal(STRING_LITERAL_7, MathContext.UNLIMITED).toString (), "1E-7");
harness.check(new BigDecimal(STRING_LITERAL_8, MathContext.UNLIMITED).toString (), "1E+3");
harness.check(new BigDecimal(STRING_LITERAL_9, MathContext.UNLIMITED).toString (), "0.01000");
}
catch (Exception e) {
harness.fail("Exception should not be thrown here." + e);
}
}
/**
* Constructor BigDecimal(String) - negative tests
*/
public void test3(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(String) - negative tests");
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_0).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_1).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_2).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_3).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_4).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_5).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
}
/**
* Constructor BigDecimal(String) - negative tests
*/
public void test4(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(String, MathContext) - negative tests");
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_0, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_1, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_2, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_3, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_4, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
try {
harness.check(new BigDecimal(NEG_STRING_LITERAL_5, MathContext.UNLIMITED).toString (), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, this should happen
}
}
}
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