javaparser-testing/src/test/java/com/github/javaparser/ast/visitor/NoCommentHashCodeVisitorTest.java

package com.github.javaparser.ast.visitor;

import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.CompilationUnit;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;

public class NoCommentHashCodeVisitorTest {

    @Test
    public void testEquals() {
        CompilationUnit p1 = JavaParser.parse("class X { }");
        CompilationUnit p2 = JavaParser.parse("class X { }");
        assertEquals(p1.hashCode(), p2.hashCode());
    }

    @Test
    public void testEqualsWithDifferentComments() {
        CompilationUnit p1 = JavaParser.parse("/* a */ class X { /** b */} //c");
        CompilationUnit p2 = JavaParser.parse("/* b */ class X { }  //c");
        assertEquals(p1.hashCode(), p2.hashCode());
        assertEquals(p1.getComments().size(), 3);
        assertEquals(p2.getComments().size(), 2);
    }

    @Test
    public void testNotEquals() {
        CompilationUnit p1 = JavaParser.parse("class X { }");
        CompilationUnit p2 = JavaParser.parse("class Y { }");
        assertNotEquals(p1.hashCode(), p2.hashCode());
    }
}