package be.jeffcheasey88.peeratcode.parser.java;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.Reader;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;

@TestInstance(Lifecycle.PER_CLASS)
class OperationTest{
	
	JavaParser parse(String code) throws Exception{
		BufferedReader reader = new BufferedReader(new Reader(){public int read(char[] cbuf, int off, int len) throws IOException{return 0;}public void close() throws IOException {}}) {
			private boolean read = false;
			@Override
			public String readLine() throws IOException{
				if(read) return null;
				read = true;
				return code;
			}
		};
		
		JavaParser parser = new JavaParser(reader);
		parser.parse();
		return parser;
	}
	
	@Test
	void ifOperation(){
		try {
			JavaParser parser =  parse("package be.jeffcheasey88.peeratcode.parser.java; class Test{ void function(){ int i = 0; if(i == 0)      { return i; } return i; } }");
			Class clazz = parser.getClazz();
			
			clazz.show(0);
			
			assertEquals(1, clazz.getChilds().size());
			Function function = (Function) clazz.getChilds().get(0);
			assertEquals(3, function.getChilds().size());
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
	
	@Test
	void ifWithNoneOperation(){
		try {
			JavaParser parser =  parse("package be.jeffcheasey88.peeratcode.parser.java; class Test{ void function(){ int i = 0; if(i == 0); return i; } }");
			Class clazz = parser.getClazz();
			
			clazz.show(0);
			
			assertEquals(1, clazz.getChilds().size());
			Function function = (Function) clazz.getChilds().get(0);
			assertEquals(3, function.getChilds().size());
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
}