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<?php
// $Id: compatibility_test.php 1748 2008-04-14 01:50:41Z lastcraft $
require_once(dirname(__FILE__) . '/../autorun.php');
require_once(dirname(__FILE__) . '/../compatibility.php');
class ComparisonClass { }
class ComparisonSubclass extends ComparisonClass { }
interface ComparisonInterface { }
class ComparisonClassWithInterface implements ComparisonInterface { }
class TestOfCompatibility extends UnitTestCase {
function testIsA() {
$this->assertTrue(SimpleTestCompatibility::isA(
new ComparisonClass(),
'ComparisonClass'));
$this->assertFalse(SimpleTestCompatibility::isA(
new ComparisonClass(),
'ComparisonSubclass'));
$this->assertTrue(SimpleTestCompatibility::isA(
new ComparisonSubclass(),
'ComparisonClass'));
}
function testIdentityOfNumericStrings() {
$numericString1 = "123";
$numericString2 = "00123";
$this->assertNotIdentical($numericString1, $numericString2);
}
function testIdentityOfObjects() {
$object1 = new ComparisonClass();
$object2 = new ComparisonClass();
$this->assertIdentical($object1, $object2);
}
function testReferences () {
$thing = "Hello";
$thing_reference = &$thing;
$thing_copy = $thing;
$this->assertTrue(SimpleTestCompatibility::isReference(
$thing,
$thing));
$this->assertTrue(SimpleTestCompatibility::isReference(
$thing,
$thing_reference));
$this->assertFalse(SimpleTestCompatibility::isReference(
$thing,
$thing_copy));
}
function testObjectReferences () {
$object = new ComparisonClass();
$object_reference = $object;
$object_copy = new ComparisonClass();
$object_assignment = $object;
$this->assertTrue(SimpleTestCompatibility::isReference(
$object,
$object));
$this->assertTrue(SimpleTestCompatibility::isReference(
$object,
$object_reference));
$this->assertFalse(SimpleTestCompatibility::isReference(
$object,
$object_copy));
if (version_compare(phpversion(), '5', '>=')) {
$this->assertTrue(SimpleTestCompatibility::isReference(
$object,
$object_assignment));
} else {
$this->assertFalse(SimpleTestCompatibility::isReference(
$object,
$object_assignment));
}
}
function testInteraceComparison() {
$object = new ComparisonClassWithInterface();
$this->assertFalse(SimpleTestCompatibility::isA(
new ComparisonClass(),
'ComparisonInterface'));
$this->assertTrue(SimpleTestCompatibility::isA(
new ComparisonClassWithInterface(),
'ComparisonInterface'));
}
}
?>
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