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Mime4JWorkaroundTest.java
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Mime4JWorkaroundTest.java
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package org.jboss.resteasy.plugins.providers.multipart;
import static org.junit.Assert.assertEquals;
import java.util.HashMap;
import java.util.Map;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
public class Mime4JWorkaroundTest {
private static final Map<String, String> preTestProperties = new HashMap<>();
@BeforeClass
public static void saveCurrentStateOfMemThresholdProperty()
{
if (System.getProperties().containsKey(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY))
{
String value = System.getProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY);
preTestProperties.put(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY, value);
}
}
@AfterClass
public static void resetPropertiesToPreTestValues()
{
if (!preTestProperties.containsKey(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY))
{
System.clearProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY);
}
else
{
preTestProperties.forEach(System::setProperty);
}
}
@Before
public void unsetMemThresholdProperty()
{
System.clearProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY);
}
@Test
public void testMemThresholdDefault()
{
assertEquals(Mime4JWorkaround.DEFAULT_MEM_THRESHOLD, Mime4JWorkaround.getMemThreshold());
}
@Test
public void testMemThresholdConfigProperty()
{
System.setProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY, "2048");
assertEquals(2048, Mime4JWorkaround.getMemThreshold());
}
@Test
public void testInvalidMemThresholdConfigPropertyReturnsDefault_NegativeNumber()
{
System.setProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY, "-2048");
assertEquals(Mime4JWorkaround.DEFAULT_MEM_THRESHOLD, Mime4JWorkaround.getMemThreshold());
}
@Test
public void testInvalidMemThresholdConfigPropertyReturnsDefault_DecimalNumber()
{
System.setProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY, "2048.2");
assertEquals(Mime4JWorkaround.DEFAULT_MEM_THRESHOLD, Mime4JWorkaround.getMemThreshold());
}
@Test
public void testInvalidMemThresholdConfigPropertyReturnsDefault_NotANumber()
{
System.setProperty(Mime4JWorkaround.MEM_THRESHOLD_PROPERTY, "Infinity");
assertEquals(Mime4JWorkaround.DEFAULT_MEM_THRESHOLD, Mime4JWorkaround.getMemThreshold());
}
}