ArgumentTypeTest.java

package com.sandwich.koan.constant;

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

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.junit.Test;

import com.sandwich.koan.path.CommandLineTestCase;

public class ArgumentTypeTest extends CommandLineTestCase {
	
	@Test
	public void testClassPrecedesMethod() throws Exception {
		assertTrue(ArgumentType.CLASS_ARG.compareTo(ArgumentType.METHOD_ARG) == -1);
		// further drive point home - method inserted at index 0, class index 1
		List<ArgumentType> classVsMethod = Arrays.asList(ArgumentType.METHOD_ARG, ArgumentType.CLASS_ARG);
		assertEquals(0, classVsMethod.indexOf(ArgumentType.METHOD_ARG));
		assertEquals(1, classVsMethod.indexOf(ArgumentType.CLASS_ARG));
		Collections.sort(classVsMethod);
		// now - because of comparable impl was applied, class precedes method - this is necessary
		// @ see KaonSuiteRunner.run()
		assertEquals(1, classVsMethod.indexOf(ArgumentType.METHOD_ARG));
		assertEquals(0, classVsMethod.indexOf(ArgumentType.CLASS_ARG));
	}
	
}