/** * @test */ function iteration() { $reader = new XMLReaderStub('<!-- comment --><root><child></child></root>'); $it = new XMLChildElementIterator($reader); $this->assertEquals(false, $it->valid()); $this->assertSame(null, $it->valid()); $it->rewind(); $this->assertEquals(true, $it->valid()); $this->assertEquals('child', $it->current()->getName()); $it->next(); $this->assertEquals(false, $it->valid()); $reader = new XMLReaderStub('<root><none></none><one><child></child></one><none></none></root>'); $base = new XMLElementIterator($reader); $base->rewind(); $root = $base->current(); $this->assertEquals('root', $root->getName()); $children = $root->getChildElements(); $this->assertEquals('root', $reader->name); $children->rewind(); $this->assertEquals('none', $reader->name); $children->next(); $this->assertEquals('one', $reader->name); $childChildren = new XMLChildElementIterator($reader); $this->assertEquals('child', $childChildren->current()->getName()); $childChildren->next(); $this->assertEquals(false, $childChildren->valid()); $this->assertEquals('none', $reader->name); $childChildren->next(); $this->assertEquals('none', $reader->name); $this->assertEquals(true, $children->valid()); $children->next(); $this->assertEquals(false, $children->valid()); // children w/o descendants $reader->rewind(); $expected = array('none', 'one', 'none'); $root = $base->current(); $this->assertEquals('root', $root->getName()); $index = 0; $count = 0; foreach ($root->getChildElements() as $index => $child) { $this->assertSame($count++, $index); $this->assertEquals($expected[$index], $reader->name); } $this->assertEquals(count($expected), $count); // children w/ descendants $reader->rewind(); $expected = array('none', 'one', 'child', 'none'); $root = $base->current(); $this->assertEquals('root', $root->getName()); $index = 0; $count = 0; foreach ($root->getChildElements(null, true) as $index => $child) { $this->assertSame($count++, $index); $this->assertEquals($expected[$index], $reader->name); } $this->assertEquals(count($expected), $count); }
/** * @test */ function iterateOverNamedElements() { $reader = new XMLReaderStub('<r><a>1</a><a>2</a><b>c</b><a>3</a></r>'); $it = new XMLElementIterator($reader, 'a'); $this->assertEquals(null, $it->valid()); $it->rewind(); $this->assertEquals(true, $it->valid()); $this->assertEquals('a', $it->current()->getName()); $it->next(); $this->assertEquals('a', $it->current()->getName()); $it->next(); $this->assertEquals('a', $it->current()->getName()); $this->assertEquals('3', $it); $it->next(); $this->assertEquals(false, $it->valid()); }
/** * @return XMLReaderNode|null */ public function current() { $this->didRewind || self::rewind(); return parent::current(); }