undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/lang/System/PropertyTest.java
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test/jdk/java/lang/System/PropertyTest.java
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/*
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* Copyright (c) 2018, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.lang.System;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Objects;
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import java.util.Properties;
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import java.util.stream.Collectors;
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import org.testng.Assert;
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import org.testng.IMethodInstance;
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import org.testng.IMethodInterceptor;
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import org.testng.TestListenerAdapter;
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import org.testng.TestNG;
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import org.testng.annotations.BeforeTest;
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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/*
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* @test
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* @bug 4463345 4244670 8030781 8265989 8283620
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* @summary Simple test of System getProperty, setProperty, clearProperty,
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* getProperties, and setProperties
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* @run testng/othervm PropertyTest
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*/
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@Test
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public class PropertyTest {
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@DataProvider(name = "requiredProperties")
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static Object[][] requiredProperties() {
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return new Object[][]{
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{"java.version"},
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{"java.version.date"},
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{"java.vendor"},
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{"java.vendor.url"},
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{"java.home"},
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{"java.vm.specification.version"},
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{"java.vm.specification.vendor"},
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{"java.vm.specification.name"},
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{"java.vm.version"},
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{"java.vm.vendor"},
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{"java.vm.name"},
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{"java.specification.version"},
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{"java.specification.vendor"},
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{"java.specification.name"},
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{"java.class.version"},
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{"java.class.path"},
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{"java.library.path"},
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{"java.io.tmpdir"},
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{"os.arch"},
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{"os.version"},
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{"file.separator"},
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{"path.separator"},
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{"line.separator"},
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{"user.name"},
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{"user.home"},
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{"user.dir"},
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{"java.runtime.version"},
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{"java.runtime.name"},
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{"native.encoding"},
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{"stdin.encoding"},
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{"stdout.encoding"},
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{"stderr.encoding"},
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};
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}
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@Test
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static void getTest() {
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System.setProperty("blah", "blech");
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Assert.assertEquals(System.getProperty("blah"), "blech");
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try {
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System.getProperty(null);
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Assert.fail("Failed: expected NullPointerException");
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} catch (NullPointerException npe) {
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// Correct result
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}
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try {
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System.getProperty("");
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Assert.fail("Failed: expected IllegalArgumentException");
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} catch (IllegalArgumentException iae) {
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// Correct result
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}
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}
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@Test
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static void clearTest() {
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System.setProperty("blah", "blech");
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Assert.assertEquals(System.getProperty("blah"), "blech");
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System.clearProperty("blah");
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Assert.assertNull(System.getProperty("blah"));
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try {
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System.clearProperty(null);
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Assert.fail("Failed: expected NullPointerException");
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} catch (NullPointerException npe) {
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// Correct result
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}
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try {
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System.clearProperty("");
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Assert.fail("Failed: expected IllegalArgumentException");
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} catch (IllegalArgumentException iae) {
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// Correct result
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}
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}
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@Test
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static void setTest() {
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System.setProperty("blah", "blech");
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Assert.assertEquals(System.getProperty("blah"), "blech");
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System.setProperty("blah", "");
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Assert.assertEquals(System.getProperty("blah"), "");
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try {
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System.setProperty(null, null);
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Assert.fail("Failed: expected NullPointerException");
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} catch (NullPointerException npe) {
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// Correct result
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}
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try {
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System.setProperty("blah", null);
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Assert.fail("Failed: expected NullPointerException");
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} catch (NullPointerException npe) {
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// Correct result
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}
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try {
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System.setProperty(null, "blech");
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Assert.fail("Failed: expected NullPointerException");
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} catch (NullPointerException npe) {
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// Correct result
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}
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try {
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System.setProperty("", "blech");
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Assert.fail("Failed: expected IllegalArgumentException");
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} catch (IllegalArgumentException iae) {
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// Correct result
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}
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try {
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System.setProperty("", "");
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Assert.fail("Failed: expected IllegalArgumentException");
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} catch (IllegalArgumentException iae) {
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// Correct result
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}
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}
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@Test
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static void replaceSetProperties() {
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Properties oldProps = System.getProperties();
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Properties newProps = new Properties();
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oldProps.forEach( (k,v) -> newProps.put(k,v));
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System.setProperties(newProps);
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Assert.assertSame(System.getProperties(), newProps,
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"getProperties not the same as setProperties");
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final String KEY = "blah";
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final String VALUE = "blech";
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// Set via Property instance; get via System methods
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newProps.setProperty(KEY, VALUE);
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Assert.assertEquals(System.getProperty(KEY), VALUE, KEY);
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String s = (String)newProps.remove(KEY);
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Assert.assertEquals(s, VALUE);
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Assert.assertNull(System.getProperty(KEY), KEY);
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// Set via System methods; Get via Property instance;
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System.setProperty(KEY, VALUE);
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Assert.assertEquals(newProps.getProperty(KEY), VALUE);
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String t = System.clearProperty(KEY);
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Assert.assertEquals(t, VALUE, KEY);
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Assert.assertNull(newProps.getProperty(KEY), KEY);
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}
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@Test
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static void setNullProperties() {
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Properties oldProps = System.getProperties();
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Properties savedProps = new Properties();
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oldProps.forEach((k,v) -> {
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if (v == null) {
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throw new RuntimeException("null value, key: " + k);
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}
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savedProps.put(k,v);
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});
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// Re-initialize properties
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System.setProperties(null);
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Properties newProps = System.getProperties();
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Object[][] propnames = requiredProperties();
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for (Object[] p : propnames) {
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String name = (String)p[0];
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Assert.assertEquals(System.getProperty(name), savedProps.getProperty(name), name);
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Assert.assertEquals(newProps.getProperty(name), savedProps.getProperty(name), name);
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}
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}
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// Verify all the required properties have values from System.getProperty and
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// System.getProperties()
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@Test(dataProvider = "requiredProperties")
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static void checkRequiredProperties(String name) {
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Assert.assertNotNull(System.getProperty(name), name);
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Properties props = System.getProperties();
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Assert.assertNotNull(props.getProperty(name), name);
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}
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@SuppressWarnings("raw_types")
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@Test(enabled=false)
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public static void main(String[] args) {
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TestListenerAdapter tla = new TestListenerAdapter();
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Class<?>[] testclass = {PropertyTest.class};
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TestNG testng = new TestNG();
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testng.setTestClasses(testclass);
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testng.addListener(tla);
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if (args.length > 0) {
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IMethodInterceptor intercept = (m, c) -> {
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List<IMethodInstance> x = m.stream()
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.filter(m1 -> m1.getMethod().getMethodName().contains(args[0]))
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.collect(Collectors.toList());
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return x;
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};
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testng.setMethodInterceptor(intercept);
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}
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testng.run();
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tla.getPassedTests()
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.stream().forEach(t -> System.out.printf("Passed: %s%s%n", t.getName(),
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List.of(t.getParameters())));
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tla.getFailedTests()
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.stream().forEach(t -> System.out.printf("Failed: %s%s%n", t.getName(),
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List.of(t.getParameters())));
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}
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}
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