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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.docproc;
import java.util.Iterator;
/**
* Tests call stacks
*
* @author bratseth
*/
@SuppressWarnings({"unchecked","rawtypes"})
public class CallStackTestCase extends junit.framework.TestCase {
private CallStack callStack, insertStack;
private Call call1, call2, call3, noCall, newCall, insert1, insert2, insert3;
private DocumentProcessor processor2, noProcessor;
public CallStackTestCase(String name) {
super(name);
}
protected void setUp() {
callStack = new CallStack();
call1 = new Call(new TestDocumentProcessor());
processor2 = new TestDocumentProcessor();
call2 = new Call(processor2);
call3 = new Call(new TestDocumentProcessor());
callStack.addLast(call1).addLast(call2).addLast(call3);
noProcessor = new TestDocumentProcessor();
noCall = new Call(noProcessor);
newCall = new Call(new TestDocumentProcessor());
insert1 = new Call(new TestDocumentProcessor());
insert2 = new Call(new TestDocumentProcessor());
insert3 = new Call(new TestDocumentProcessor());
insertStack = new CallStack();
insertStack.addLast(insert1).addLast(insert2).addLast(insert3);
}
public void testFind() {
assertSame(call2, callStack.findCall(processor2));
assertSame(call2, callStack.findCall(processor2.getId()));
assertNull(callStack.findCall(noProcessor));
assertNull(callStack.findCall(noProcessor.getId()));
assertNull(callStack.findCall(new TestDocumentProcessor()));
}
public void testAddBefore() {
callStack.addBefore(call2, newCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(newCall, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddStackBefore() {
callStack.addBefore(call2, insertStack);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddAfter() {
callStack.addAfter(call2, newCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(newCall, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddStackAfter() {
callStack.addAfter(call2, insertStack);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddBeforeFirst() {
callStack.addBefore(call1, newCall);
Iterator i = callStack.iterator();
assertEquals(newCall, i.next());
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddStackBeforeFirst() {
callStack.addBefore(call1, insertStack);
Iterator i = callStack.iterator();
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testAddAfterLast() {
callStack.addAfter(call3, newCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(newCall, i.next());
assertFalse(i.hasNext());
}
public void testAddStackAfterLast() {
callStack.addAfter(call3, insertStack);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertFalse(i.hasNext());
}
public void testAddBeforeNonExisting() {
callStack.addBefore(noCall, newCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(newCall, i.next());
assertFalse(i.hasNext());
}
public void testAddStackBeforeNonExisting() {
callStack.addBefore(noCall, insertStack);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertFalse(i.hasNext());
}
public void testAddAfterNonExisting() {
callStack.addAfter(noCall, newCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(newCall, i.next());
assertFalse(i.hasNext());
}
public void testAddStackAfterNonExisting() {
callStack.addAfter(noCall, insertStack);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertEquals(insert1, i.next());
assertEquals(insert2, i.next());
assertEquals(insert3, i.next());
assertFalse(i.hasNext());
}
public void testRemove() {
callStack.remove(call1);
Iterator i = callStack.iterator();
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testRemoveNonExisting() {
callStack.remove(noCall);
Iterator i = callStack.iterator();
assertEquals(call1, i.next());
assertEquals(call2, i.next());
assertEquals(call3, i.next());
assertFalse(i.hasNext());
}
public void testContains() {
callStack.addLast(newCall);
assertTrue(callStack.contains(call1));
assertTrue(callStack.contains(call2));
assertTrue(callStack.contains(call3));
assertTrue(callStack.contains(newCall));
assertFalse(callStack.contains(noCall));
}
public void testPop() {
assertEquals(call1, callStack.pop());
assertEquals(call2, callStack.pop());
callStack.addNext(newCall);
assertFalse(callStack.contains(call1));
assertFalse(callStack.contains(call2));
assertTrue(callStack.contains(call3));
assertTrue(callStack.contains(newCall));
assertEquals(newCall, callStack.pop());
assertTrue(callStack.contains(call3));
assertFalse(callStack.contains(newCall));
assertEquals(call3, callStack.pop());
assertFalse(callStack.contains(call3));
assertNull(callStack.pop());
}
public void testGetLastPopped() {
CallStack stakk = new CallStack();
assertNull(stakk.getLastPopped());
Call call;
Call lastCall;
call = callStack.pop();
assertEquals(call1, call);
lastCall = callStack.getLastPopped();
assertEquals(call1, lastCall);
assertEquals(call, lastCall);
call = callStack.pop();
assertEquals(call2, call);
lastCall = callStack.getLastPopped();
assertEquals(call2, lastCall);
assertEquals(call, lastCall);
call = callStack.pop();
assertEquals(call3, call);
lastCall = callStack.getLastPopped();
assertEquals(call3, lastCall);
assertEquals(call, lastCall);
lastCall = callStack.getLastPopped();
assertEquals(call3, lastCall);
assertEquals(call, lastCall);
lastCall = callStack.getLastPopped();
assertEquals(call3, lastCall);
assertEquals(call, lastCall);
callStack.addLast(call1);
callStack.addLast(call2);
lastCall = callStack.getLastPopped();
assertEquals(call3, lastCall);
assertEquals(call, lastCall);
call = callStack.pop();
assertEquals(call1, call);
lastCall = callStack.getLastPopped();
assertEquals(call1, lastCall);
assertEquals(call, lastCall);
call = callStack.pop();
assertEquals(call2, call);
lastCall = callStack.getLastPopped();
assertEquals(call2, lastCall);
assertEquals(call, lastCall);
lastCall = callStack.getLastPopped();
assertEquals(call2, lastCall);
assertEquals(call, lastCall);
lastCall = callStack.getLastPopped();
assertEquals(call2, lastCall);
assertEquals(call, lastCall);
}
private static class TestDocumentProcessor extends com.yahoo.docproc.SimpleDocumentProcessor {
}
}
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