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// Tags: JDK1.7
// Copyright (C) 2014 Andrew John Hughes (gnu_andrew@member.fsf.org)
// This file is part of Mauve.
// 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.util.Objects;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.util.Objects;
/**
* Checks that {@link java.util.Objects#requireNonNull} performs
* as specified.
*/
public class requireNonNull
implements Testlet
{
/**
* Runs the test using the specified harness.
*
* @param harness the test harness.
*/
public void test(TestHarness harness)
{
String result;
String veg = "Potato";
harness.checkPoint("Objects.requireNonNull(null) throws NPE");
try {
result = Objects.requireNonNull(null);
harness.debug("Objects.requireNonNull(null) = " + result);
harness.check(false);
} catch (NullPointerException e) {
harness.debug("Objects.requireNonNull(null) threw NPE");
harness.check(true);
}
harness.checkPoint("Objects.requireNonNull(\"" + veg + "\") doesn't throw NPE");
try {
result = Objects.requireNonNull(veg);
harness.debug("Objects.requireNonNull(\"" + veg + "\") = " + result);
harness.check(true);
harness.check(result, veg, "Objects.requireNonNull(\"" + veg + "\") returns \"" +
veg + "\"");
} catch (NullPointerException e) {
harness.debug("Objects.requireNonNull(" + veg + ") threw NPE");
harness.check(false);
}
harness.checkPoint("Objects.requireNonNull(null,\"Oops\") throws NPE");
try {
result = Objects.requireNonNull(null,"Oops");
harness.debug("Objects.requireNonNull(null,\"Oops\") = " + result);
harness.check(false);
} catch (NullPointerException e) {
harness.debug("Objects.requireNonNull(null.\"Oops\") threw NPE");
harness.check(true);
harness.check(e.getMessage().contains("Oops"), "Specified message is used in NPE");
}
harness.checkPoint("Objects.requireNonNull(\"" + veg + "\", \"Oops\") doesn't throw NPE");
try {
result = Objects.requireNonNull(veg,"Oops");
harness.debug("Objects.requireNonNull(\"" + veg + "\", \"Oops\") = " + result);
harness.check(true);
harness.check(result, veg, "Objects.requireNonNull(\"" + veg + "\", \"Oops\") returns \"" +
veg + "\"");
} catch (NullPointerException e) {
harness.debug("Objects.requireNonNull(" + veg + ") threw NPE");
harness.check(false);
}
}
}
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