_test/tests/inc/common_blank.test.php

   1 <?php
   2
   3 class common_blank_test extends DokuWikiTest {
   4
   5     private $nope;
   6
   7     function test_blank() {
   8         $tests = array(
   9             // these are not blank
  10             array('string', false),
  11             array(1, false),
  12             array(1.0, false),
  13             array(0xff, false),
  14             array(array('something'), false),
  15
  16             // these aren't either!
  17             array('0', false),
  18             array(' ', false),
  19             array('0.0', false),
  20             array(0, false),
  21             array(0.0, false),
  22             array(0x00, false),
  23             array(true, false),
  24
  25             // but these are
  26             array('', true),
  27             array(array(), true),
  28             array(null, true),
  29             array(false, true),
  30             array("\0", true)
  31         );
  32
  33         foreach($tests as $test) {
  34             $this->assertEquals($test[1], blank($test[0]), "using " . var_export($test[0], true));
  35         }
  36     }
  37
  38     function test_trim() {
  39         $whitespace = " \t\r\n";
  40         $this->assertFalse(blank($whitespace), "using default \$trim value");
  41         $this->assertFalse(blank($whitespace, false), "using \$trim = false");
  42         $this->assertTrue(blank($whitespace, true), "using \$trim = true");
  43     }
  44
  45     function test_undefined() {
  46         $undef = array();
  47         $this->assertTrue(blank($var), "using undefined/unitialised variable");
  48         $this->assertTrue(blank($undef['nope']), "using undefined array index");
  49         $this->assertTrue(blank($this->nope), "using unset object property");
  50     }
  51
  52 }