/*
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 * The Apache Software License, Version 1.1
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 * reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
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 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
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 *    if and wherever such third-party acknowlegements normally appear.
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package org.apache.commons.digester.xmlrules;


import junit.framework.TestCase;
import junit.framework.TestSuite;


/**
 * This test case tests the behavior of
 * DigesterRuleParser.PatternStack, a specialized stack whose
 * toString() method returns a /-separated representation of the
 * stack's elements. The tests ensure that
 * DigesterRuleParser.PatternStack.toString() returns the properly
 * formatted string.
 */
public class DigesterPatternStackTest extends TestCase {

    public DigesterPatternStackTest(String testName) {
        super(testName);
    }

    public static void main(java.lang.String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    public static junit.framework.Test suite() {
        TestSuite suite = new TestSuite(DigesterPatternStackTest.class);

        return suite;
    }

    private DigesterRuleParser.PatternStack stack;

    public void setUp() {
        DigesterRuleParser parser = new DigesterRuleParser();
        stack = parser.patternStack;
    }

    public void test1() throws Exception {
        assertEquals("", stack.toString());
    }

    public void test2() throws Exception {
        stack.push("A");
        assertEquals("A", stack.toString());
        stack.pop();
        assertEquals("", stack.toString());
    }

    public void test3() throws Exception {
        stack.push("A");
        stack.push("B");
        assertEquals("A/B", stack.toString());

        stack.pop();
        assertEquals("A", stack.toString());
    }

    public void test4() throws Exception {
        stack.push("");
        assertEquals("", stack.toString());

        stack.push("");
        assertEquals("", stack.toString());
    }

    public void test5() throws Exception {
        stack.push("A");
        assertEquals("A", stack.toString());

        stack.push("");
        stack.push("");
        assertEquals("A", stack.toString());

    }

    public void test6() throws Exception {
        stack.push("A");
        stack.push("B");
        stack.clear();
        assertEquals("", stack.toString());
    }

    public void test7() throws Exception {
        stack.push("///");
        assertEquals("///", stack.toString());

        stack.push("/");
        assertEquals("/////", stack.toString());

        stack.pop();
        assertEquals("///", stack.toString());

        stack.pop();
        assertEquals("", stack.toString());
    }

}