assertequals() php,assertEquals()

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assertEquals()

assertEquals(mixed expected, mixed actual[, string

当两个变量 expected 和 actual 不相等时报告错误，错误讯息由

assertNotEquals() 是与之相反的断言，接受相同的参数。

assertAttributeEquals() 和 assertAttributeNotEquals() 是便捷包装(convenience wrapper)，以某个类或对象的某个 public、protected 或 private 属性作为实际值来进行比较。

Example A.13. assertEquals() 的用法

<?php class EqualsTest extends PHPUnit_Framework_TestCase { public function testFailure() {

phpunit EqualsTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. FFF Time: 0 seconds, Memory: 5.25Mb There were 3 failures: 1) EqualsTest::testFailure Failed asserting that 0 matches expected 1. /home/sb/EqualsTest.php:6 2) EqualsTest::testFailure2 Failed asserting that two strings are equal. — Expected +++ Actual @@ @@ -‘bar’ +’baz’ /home/sb/EqualsTest.php:11 3) EqualsTest::testFailure3 Failed asserting that two strings are equal. — Expected +++ Actual @@ @@ ‘foo -bar +bah baz ‘ /home/sb/EqualsTest.php:16 FAILURES! Tests: 3, Assertions: 3, Failures: 3.

如果 expected 和 actual 是某些特定的类型，将使用更加专门的比较方式，参阅下文。

assertEquals(float expected, float actual[, string message = ”, float delta = 0])

当两个浮点数 expected 和 actual 之间的差值(的绝对值)大于 delta 时报告错误，错误讯息由 message 指定。

关于为什么 $delta 参数是必须的，请阅读《关于浮点运算，每一位计算机科学从业人员都应该知道的事实》。

Example A.14. 将assertEquals()用于浮点数时的用法

<?php class EqualsTest extends PHPUnit_Framework_TestCase { public function testSuccess() {

phpunit EqualsTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. .F Time: 0 seconds, Memory: 5.75Mb There was 1 failure: 1) EqualsTest::testFailure Failed asserting that 1.1 matches expected 1.0. /home/sb/EqualsTest.php:11 FAILURES! Tests: 2, Assertions: 2, Failures: 1.

assertEquals(DOMDocument expected, DOMDocument actual[, string

当 expected 和 actual 这两个 DOMDocument 对象所表示的 XML 文档对应的无注释规范形式不相同时报告错误，错误讯息由

Example A.15. assertEquals()应用于 DOMDocument 对象时的用法

<?php class EqualsTest extends PHPUnit_Framework_TestCase { public function testFailure() { actual = new DOMDocument; actual->loadXML(”); this->assertEquals(

phpunit EqualsTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. F Time: 0 seconds, Memory: 5.00Mb There was 1 failure: 1) EqualsTest::testFailure Failed asserting that two DOM documents are equal. — Expected +++ Actual @@ @@ <?xml version=”1.0″?> – – – + + + /home/sb/EqualsTest.php:12 FAILURES! Tests: 1, Assertions: 1, Failures: 1.

assertEquals(object expected, object actual[, string

当 expected 和 actual 这两个对象的属性值不相等时报告错误，错误讯息由

Example A.16. assertEquals()应用于对象时的用法

<?php class EqualsTest extends PHPUnit_Framework_TestCase { public function testFailure() { expected->bar = ‘bar’; actual->foo = ‘bar’; this->assertEquals(

phpunit EqualsTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. F Time: 0 seconds, Memory: 5.25Mb There was 1 failure: 1) EqualsTest::testFailure Failed asserting that two objects are equal. — Expected +++ Actual @@ @@ stdClass Object ( – ‘foo’ => ‘foo’ – ‘bar’ => ‘bar’ + ‘foo’ => ‘bar’ + ‘baz’ => ‘bar’ ) /home/sb/EqualsTest.php:14 FAILURES! Tests: 1, Assertions: 1, Failures: 1.

assertEquals(array expected, array actual[, string

当 expected 和 actual 这两个数组不相等时报告错误，错误讯息由

Example A.17. assertEquals() 应用于数组时的用法

<?php class EqualsTest extends PHPUnit_Framework_TestCase { public function testFailure() { $this->assertEquals(array(‘a’, ‘b’, ‘c’), array(‘a’, ‘c’, ‘d’)); } } ?>

phpunit EqualsTest PHPUnit 5.0.0 by Sebastian Bergmann and contributors. F Time: 0 seconds, Memory: 5.25Mb There was 1 failure: 1) EqualsTest::testFailure Failed asserting that two arrays are equal. — Expected +++ Actual @@ @@ Array ( 0 => ‘a’ – 1 => ‘b’ – 2 => ‘c’ + 1 => ‘c’ + 2 => ‘d’ ) /home/sb/EqualsTest.php:6 FAILURES! Tests: 1, Assertions: 1, Failures: 1.

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