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Double.parseDouble()/valueOf() - bug 10491
- From: David Gilbert <david dot gilbert at object-refinery dot com>
- To: mauve-patches at sources dot redhat dot com
- Date: Thu, 07 Oct 2004 17:15:03 +0100
- Subject: Double.parseDouble()/valueOf() - bug 10491
The attached tests include checks for the problems reported in bug
10491. I get these results:
dgilbert@linux42:~/workspace/mauve> java14 -classpath .
gnu.testlet.SimpleTestHarness -file CurrentTests.txt -debug
0 of 54 tests failed
dgilbert@linux42:~/workspace/mauve> java15 -classpath .
gnu.testlet.SimpleTestHarness -file CurrentTests.txt -debug
0 of 54 tests failed
dgilbert@linux42:~/workspace/mauve> jamvm -classpath .
gnu.testlet.SimpleTestHarness -file CurrentTests.txt -debug
FAIL: gnu.testlet.java.lang.Double.parseDouble (number 16)
java.lang.NumberFormatException: unable to parse double
at java.lang.Double.parseDouble (Native Method)
at gnu.testlet.java.lang.Double.parseDouble.testInfinities
(parseDouble.java:134)
at gnu.testlet.java.lang.Double.parseDouble.test
(parseDouble.java:39)
at gnu.testlet.SimpleTestHarness.runtest (SimpleTestHarness.java:266)
at gnu.testlet.SimpleTestHarness.main (SimpleTestHarness.java:394)
FAIL: gnu.testlet.java.lang.Double.parseDouble (number 19)
java.lang.NumberFormatException: unable to parse double
at java.lang.Double.parseDouble (Native Method)
at gnu.testlet.java.lang.Double.parseDouble.testNaN
(parseDouble.java:158)
at gnu.testlet.java.lang.Double.parseDouble.test
(parseDouble.java:40)
at gnu.testlet.SimpleTestHarness.runtest (SimpleTestHarness.java:266)
at gnu.testlet.SimpleTestHarness.main (SimpleTestHarness.java:394)
FAIL: gnu.testlet.java.lang.Double.valueOf (number 16)
java.lang.NumberFormatException: unable to parse double
at java.lang.Double.parseDouble (Native Method)
at java.lang.Double.valueOf (Double.java:194)
at gnu.testlet.java.lang.Double.valueOf.testInfinities
(valueOf.java:134)
at gnu.testlet.java.lang.Double.valueOf.test (valueOf.java:39)
at gnu.testlet.SimpleTestHarness.runtest (SimpleTestHarness.java:266)
at gnu.testlet.SimpleTestHarness.main (SimpleTestHarness.java:394)
FAIL: gnu.testlet.java.lang.Double.valueOf (number 19)
java.lang.NumberFormatException: unable to parse double
at java.lang.Double.parseDouble (Native Method)
at java.lang.Double.valueOf (Double.java:194)
at gnu.testlet.java.lang.Double.valueOf.testNaN (valueOf.java:158)
at gnu.testlet.java.lang.Double.valueOf.test (valueOf.java:40)
at gnu.testlet.SimpleTestHarness.runtest (SimpleTestHarness.java:266)
at gnu.testlet.SimpleTestHarness.main (SimpleTestHarness.java:394)
4 of 38 tests failed
Similar tests for Float to follow.
Regards,
Dave Gilbert
http://www.jfree.org
// Tags: JDK1.2
// Copyright (C) 2004 David Gilbert <david.gilbert@object-refinery.com>
// Mauve 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, or (at your option)
// any later version.
// Mauve 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 Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.lang.Double;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Some checks for the parseDouble() method in the {@link Double} class.
*/
public class parseDouble implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
testRegular(harness);
testInfinities(harness);
testNaN(harness);
}
/**
* Tests some regular values.
*
* @param harness the test harness.
*/
public void testRegular(TestHarness harness)
{
harness.check(Double.parseDouble("1.0"), 1.0);
harness.check(Double.parseDouble("+1.0"), 1.0);
harness.check(Double.parseDouble("-1.0"), -1.0);
harness.check(Double.parseDouble(" 1.0 "), 1.0);
harness.check(Double.parseDouble(" -1.0 "), -1.0);
harness.check(Double.parseDouble("2."), 2.0);
harness.check(Double.parseDouble(".3"), 0.3);
harness.check(Double.parseDouble("1e-9"), 1e-9);
harness.check(Double.parseDouble("1e137"), 1e137);
// test some bad formats
try
{
/* double d = */ Double.parseDouble("");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* double d = */ Double.parseDouble("X");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* double d = */ Double.parseDouble("e");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* double d = */ Double.parseDouble("+ 1.0");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* double d = */ Double.parseDouble("- 1.0");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
// null argument should throw NullPointerException
try
{
/* double d = */ Double.parseDouble(null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
}
/**
* Some checks for values that should parse to Double.POSITIVE_INFINITY
* or Double.NEGATIVE_INFINITY.
*
* @param harness the test harness.
*/
public void testInfinities(TestHarness harness)
{
try
{
harness.check(Double.parseDouble("Infinity"), Double.POSITIVE_INFINITY);
harness.check(Double.parseDouble("+Infinity"), Double.POSITIVE_INFINITY);
harness.check(Double.parseDouble("-Infinity"), Double.NEGATIVE_INFINITY);
harness.check(Double.parseDouble(" +Infinity "), Double.POSITIVE_INFINITY);
harness.check(Double.parseDouble(" -Infinity "), Double.NEGATIVE_INFINITY);
}
catch (Exception e)
{
harness.check(false);
harness.debug(e);
}
harness.check(Double.parseDouble("1e1000"), Double.POSITIVE_INFINITY);
harness.check(Double.parseDouble("-1e1000"), Double.NEGATIVE_INFINITY);
}
/**
* Some checks for 'NaN' values.
*
* @param harness the test harness.
*/
public void testNaN(TestHarness harness)
{
try
{
harness.check(Double.isNaN(Double.parseDouble("NaN")));
harness.check(Double.isNaN(Double.parseDouble("+NaN")));
harness.check(Double.isNaN(Double.parseDouble("-NaN")));
harness.check(Double.isNaN(Double.parseDouble(" +NaN ")));
harness.check(Double.isNaN(Double.parseDouble(" -NaN ")));
}
catch (Exception e)
{
harness.check(false);
harness.debug(e);
}
}
}
// Tags: JDK1.2
// Copyright (C) 2004 David Gilbert <david.gilbert@object-refinery.com>
// Mauve 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, or (at your option)
// any later version.
// Mauve 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 Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.lang.Double;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
/**
* Some checks for the valueOf() method in the {@link Double} class.
*/
public class valueOf implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
testRegular(harness);
testInfinities(harness);
testNaN(harness);
}
/**
* Tests some regular values.
*
* @param harness the test harness.
*/
public void testRegular(TestHarness harness)
{
harness.check(Double.valueOf("1.0"), new Double(1.0));
harness.check(Double.valueOf("+1.0"), new Double(1.0));
harness.check(Double.valueOf("-1.0"), new Double(-1.0));
harness.check(Double.valueOf(" 1.0 "), new Double(1.0));
harness.check(Double.valueOf(" -1.0 "), new Double(-1.0));
harness.check(Double.valueOf("2."), new Double(2.0));
harness.check(Double.valueOf(".3"), new Double(0.3));
harness.check(Double.valueOf("1e-9"), new Double(1e-9));
harness.check(Double.valueOf("1e137"), new Double(1e137));
// test some bad formats
try
{
/* Double d = */ Double.valueOf("");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* Double d = */ Double.valueOf("X");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* Double d = */ Double.valueOf("e");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* Double d = */ Double.valueOf("+ 1.0");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
try
{
/* Double d = */ Double.valueOf("- 1.0");
harness.check(false);
}
catch (NumberFormatException e)
{
harness.check(true);
}
// null argument should throw NullPointerException
try
{
/* Double d = */ Double.valueOf(null);
harness.check(false);
}
catch (NullPointerException e)
{
harness.check(true);
}
}
/**
* Some checks for values that should parse to Double.POSITIVE_INFINITY
* or Double.NEGATIVE_INFINITY.
*
* @param harness the test harness.
*/
public void testInfinities(TestHarness harness)
{
try
{
harness.check(Double.valueOf("Infinity"), new Double(Double.POSITIVE_INFINITY));
harness.check(Double.valueOf("+Infinity"), new Double(Double.POSITIVE_INFINITY));
harness.check(Double.valueOf("-Infinity"), new Double(Double.NEGATIVE_INFINITY));
harness.check(Double.valueOf(" +Infinity "), new Double(Double.POSITIVE_INFINITY));
harness.check(Double.valueOf(" -Infinity "), new Double(Double.NEGATIVE_INFINITY));
}
catch (Exception e)
{
harness.check(false);
harness.debug(e);
}
harness.check(Double.valueOf("1e1000"), new Double(Double.POSITIVE_INFINITY));
harness.check(Double.valueOf("-1e1000"), new Double(Double.NEGATIVE_INFINITY));
}
/**
* Some checks for 'NaN' values.
*
* @param harness the test harness.
*/
public void testNaN(TestHarness harness)
{
try
{
harness.check(Double.isNaN(Double.valueOf("NaN").doubleValue()));
harness.check(Double.isNaN(Double.valueOf("+NaN").doubleValue()));
harness.check(Double.isNaN(Double.valueOf("-NaN").doubleValue()));
harness.check(Double.isNaN(Double.valueOf(" +NaN ").doubleValue()));
harness.check(Double.isNaN(Double.valueOf(" -NaN ").doubleValue()));
}
catch (Exception e)
{
harness.check(false);
harness.debug(e);
}
}
}