package test;

import junit.framework.TestCase;
import tool.Interp;
import java.io.StringBufferInputStream;

public class TestInterp extends TestCase {
	public void testAssign() throws Exception {
		String input = "a=34\n";
		Interp interpreter = new Interp(new StringBufferInputStream(input));
		interpreter.execute();
		String expecting =
			"(trees.AssignTree a<ID> 34<INT>)\n";
		String found = interpreter.out.toString();
		assertEquals("testing single int", expecting, found);
	}

	public void testAssignPrint() throws Exception {
		String input =
			"a=34\n" +
			"print a\n";
		Interp interpreter = new Interp(new StringBufferInputStream(input));
		interpreter.execute();
		String expecting =
			"(trees.AssignTree a<ID> 34<INT>)\n" +
			"(trees.PrintTree a<ID>)\n" +
			"34\n";
		String found = interpreter.out.toString();
		assertEquals("testing single int", expecting, found);
	}
}