xref: /dokuwiki/_test/tests/inc/common_blank.test.php (revision 5b5713770737b5a36a7cc55b86dd0e6fc0c61b78) 
1*5b571377SAndreas Gohr<?php
2*5b571377SAndreas Gohr
3*5b571377SAndreas Gohrclass common_blank_test extends DokuWikiTest {
4*5b571377SAndreas Gohr
5*5b571377SAndreas Gohr    private $nope;
6*5b571377SAndreas Gohr
7*5b571377SAndreas Gohr    function test_blank() {
8*5b571377SAndreas Gohr        $tests = array(
9*5b571377SAndreas Gohr            // these are not blank
10*5b571377SAndreas Gohr            array('string', false),
11*5b571377SAndreas Gohr            array(1, false),
12*5b571377SAndreas Gohr            array(1.0, false),
13*5b571377SAndreas Gohr            array(0xff, false),
14*5b571377SAndreas Gohr            array(array('something'), false),
15*5b571377SAndreas Gohr
16*5b571377SAndreas Gohr            // these aren't either!
17*5b571377SAndreas Gohr            array('0', false),
18*5b571377SAndreas Gohr            array(' ', false),
19*5b571377SAndreas Gohr            array('0.0', false),
20*5b571377SAndreas Gohr            array(0, false),
21*5b571377SAndreas Gohr            array(0.0, false),
22*5b571377SAndreas Gohr            array(0x00, false),
23*5b571377SAndreas Gohr            array(true, false),
24*5b571377SAndreas Gohr
25*5b571377SAndreas Gohr            // but these are
26*5b571377SAndreas Gohr            array('', true),
27*5b571377SAndreas Gohr            array(array(), true),
28*5b571377SAndreas Gohr            array(null, true),
29*5b571377SAndreas Gohr            array(false, true),
30*5b571377SAndreas Gohr            array("\0", true)
31*5b571377SAndreas Gohr        );
32*5b571377SAndreas Gohr
33*5b571377SAndreas Gohr        foreach($tests as $test) {
34*5b571377SAndreas Gohr            $this->assertEquals($test[1], blank($test[0]), "using " . var_export($test[0], true));
35*5b571377SAndreas Gohr        }
36*5b571377SAndreas Gohr    }
37*5b571377SAndreas Gohr
38*5b571377SAndreas Gohr    function test_trim() {
39*5b571377SAndreas Gohr        $blank = "   ";
40*5b571377SAndreas Gohr        $this->assertFalse(blank($blank));
41*5b571377SAndreas Gohr        $this->assertTrue(blank($blank, true));
42*5b571377SAndreas Gohr    }
43*5b571377SAndreas Gohr
44*5b571377SAndreas Gohr    function test_undefindex() {
45*5b571377SAndreas Gohr        $undef = array();
46*5b571377SAndreas Gohr        $this->assertTrue(blank($undef['nope']));
47*5b571377SAndreas Gohr        $this->assertTrue(blank($this->nope));
48*5b571377SAndreas Gohr    }
49*5b571377SAndreas Gohr
50*5b571377SAndreas Gohr}
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