# assertEqualXMLStructure() >[info] ## assertEqualXMLStructure(DOMElement $expectedElement, DOMElement $actualElement[, boolean $checkAttributes = FALSE, string $message = '']) 当 `$actualElement` 中 DOMElement 的 XML 结构与 `$expectedElement` 中 DOMElement的 XML 结构不相同时报告错误，错误讯息由 `$message` 指定。 **Example A.12. assertEqualXMLStructure() 的用法** ~~~ <?php class EqualXMLStructureTest extends PHPUnit_Framework_TestCase { public function testFailureWithDifferentNodeNames() { $expected = new DOMElement('foo'); $actual = new DOMElement('bar'); $this->assertEqualXMLStructure($expected, $actual); } public function testFailureWithDifferentNodeAttributes() { $expected = new DOMDocument; $expected->loadXML('<foo bar="true" />'); $actual = new DOMDocument; $actual->loadXML('<foo/>'); $this->assertEqualXMLStructure( $expected->firstChild, $actual->firstChild, TRUE ); } public function testFailureWithDifferentChildrenCount() { $expected = new DOMDocument; $expected->loadXML('<foo><bar/><bar/><bar/></foo>'); $actual = new DOMDocument; $actual->loadXML('<foo><bar/></foo>'); $this->assertEqualXMLStructure( $expected->firstChild, $actual->firstChild ); } public function testFailureWithDifferentChildren() { $expected = new DOMDocument; $expected->loadXML('<foo><bar/><bar/><bar/></foo>'); $actual = new DOMDocument; $actual->loadXML('<foo><baz/><baz/><baz/></foo>'); $this->assertEqualXMLStructure( $expected->firstChild, $actual->firstChild ); } } ?> ~~~ ~~~ phpunit EqualXMLStructureTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. FFFF Time: 0 seconds, Memory: 5.75Mb There were 4 failures: 1) EqualXMLStructureTest::testFailureWithDifferentNodeNames Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ -'foo' +'bar' /home/sb/EqualXMLStructureTest.php:9 2) EqualXMLStructureTest::testFailureWithDifferentNodeAttributes Number of attributes on node "foo" does not match Failed asserting that 0 matches expected 1. /home/sb/EqualXMLStructureTest.php:22 3) EqualXMLStructureTest::testFailureWithDifferentChildrenCount Number of child nodes of "foo" differs Failed asserting that 1 matches expected 3. /home/sb/EqualXMLStructureTest.php:35 4) EqualXMLStructureTest::testFailureWithDifferentChildren Failed asserting that two strings are equal. --- Expected +++ Actual @@ @@ -'bar' +'baz' /home/sb/EqualXMLStructureTest.php:48 FAILURES! Tests: 4, Assertions: 8, Failures: 4. ~~~