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<?php
require_once dirname(__FILE__).'/../phpunit.php';
Prado::using('System.Collections.TStack');
/**
* @package System.Collections
*/
class TStackTest extends PHPUnit_Framework_TestCase {
public function setUp() {
}
public function tearDown() {
}
public function testConstruct() {
$stack = new TStack();
self::assertEquals(array(), $stack->toArray());
$stack = new TStack(array(1, 2, 3));
self::assertEquals(array(1, 2, 3), $stack->toArray());
}
public function testToArray() {
$stack = new TStack(array(1, 2, 3));
self::assertEquals(array(1, 2, 3), $stack->toArray());
}
public function testCopyFrom() {
$stack = new TStack(array(1, 2, 3));
$data = array(4, 5, 6);
$stack->copyFrom($data);
self::assertEquals(array(4, 5, 6), $stack->toArray());
}
public function testCanNotCopyFromNonTraversableTypes() {
$stack = new TStack();
$data = new stdClass();
try {
$stack->copyFrom($data);
} catch(TInvalidDataTypeException $e) {
return;
}
self::fail('An expected TInvalidDataTypeException was not raised');
}
public function testClear() {
$stack = new TStack(array(1, 2, 3));
$stack->clear();
self::assertEquals(array(), $stack->toArray());
}
public function testContains() {
$stack = new TStack(array(1, 2, 3));
self::assertEquals(true, $stack->contains(2));
self::assertEquals(false, $stack->contains(4));
}
public function testPeek() {
$stack = new TStack(array(1));
self::assertEquals(1, $stack->peek());
}
public function testCanNotPeekAnEmptyStack() {
$stack = new TStack();
try {
$item = $stack->peek();
} catch(TInvalidOperationException $e) {
return;
}
self::fail('An expected TInvalidOperationException was not raised');
}
public function testPop() {
$stack = new TStack(array(1, 2, 3));
$last = $stack->pop();
self::assertEquals(3, $last);
self::assertEquals(array(1, 2), $stack->toArray());
}
public function testCanNotPopAnEmptyStack() {
$stack = new TStack();
try {
$item = $stack->pop();
} catch(TInvalidOperationException $e) {
return;
}
self::fail('An expected TInvalidOperationException was not raised');
}
public function testPush() {
$stack = new TStack();
$stack->push(1);
self::assertEquals(array(1), $stack->toArray());
}
public function testGetIterator() {
$stack = new TStack(array(1, 2));
self::assertType('TStackIterator', $stack->getIterator());
$n = 0;
$found = 0;
foreach($stack as $index => $item) {
foreach($stack as $a => $b); // test of iterator
$n++;
if($index === 0 && $item === 1) {
$found++;
}
if($index === 1 && $item === 2) {
$found++;
}
}
self::assertTrue($n == 2 && $found == 2);
}
public function testGetCount() {
$stack = new TStack();
self::assertEquals(0, $stack->getCount());
$stack = new TStack(array(1, 2, 3));
self::assertEquals(3, $stack->getCount());
}
public function testCount() {
$stack = new TStack();
self::assertEquals(0, count($stack));
$stack = new TStack(array(1, 2, 3));
self::assertEquals(3, count($stack));
}
}
?>
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