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////////////////////////////////////////////////////////////////////////////////
// Test case file for checkstyle.
// Created: 2001
////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.checks.coding;
import java.io.*; // star import for instantiation tests
import java.awt.Dimension; // explicit import for instantiation tests
import java.awt.Color;
/**
* Test case for detecting simple semantic errors.
* @author Lars Kühne
**/
class InputSemantic
{
/* Boolean instantiation in a static initializer */
static {
Boolean x = new Boolean(true);
}
/* Boolean instantiation in a non-static initializer */
{
Boolean x = new Boolean(true);
Boolean[] y = new Boolean[]{Boolean.TRUE, Boolean.FALSE};
}
/** fully qualified Boolean instantiation in a method. **/
Boolean getBoolean()
{
return new java.lang.Boolean(true);
}
void otherInstantiations()
{
// instantiation of classes in the same package
Object o1 = new InputBraces();
Object o2 = new InputModifier();
// classes in another package with .* import
ByteArrayOutputStream s = new ByteArrayOutputStream();
File f = new File("/tmp");
// classes in another package with explicit import
Dimension dim = new Dimension();
Color col = new Color(0, 0, 0);
}
public class EqualsVsHashCode1
{
public boolean equals(int a) // wrong arg type, don't flag
{
return a == 1;
}
}
public class EqualsVsHashCode2
{
public boolean equals(String a) // flag
{
return true;
}
}
public class EqualsVsHashCode3
{
public boolean equals(Object a) // don't flag
{
return true;
}
public int hashCode()
{
return 0;
}
}
public class EqualsVsHashCode4
{
// in anon inner class
ByteArrayOutputStream bos1 = new ByteArrayOutputStream()
{
public boolean equals(Object a) // don't flag
{
return true;
}
public int hashCode()
{
return 0;
}
};
ByteArrayOutputStream bos2 = new ByteArrayOutputStream()
{
public boolean equals(Object a) // flag
{
return true;
}
};
}
public void triggerEmptyBlockWithoutBlock()
{
// an if statement without a block to increase test coverage
if (true)
return;
}
// empty instance initializer
{
}
public class EqualsVsHashCode5
{
public <A> boolean equals(int a) // wrong arg type, don't flag even with generics
{
return a == 1;
}
}
public class EqualsVsHashCode6
{
public <A> boolean equals(Comparable<A> a) // flag, weven with generics
{
return true;
}
}
private class InputBraces {
}
private class InputModifier {
}
}
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