public function testWriteINIFile()
    {
        $file = self::_createTempFile();
        $data = array('foo' => 'bar', 'bar' => 3.2, 'baz' => '"Robert"', 'quux' => array('foo', 'bar', 'baz'));
        $expected = <<<EOF
foo = "bar"
bar = 3.2
baz = "\\"Robert\\""
quux[] = "foo"
quux[] = "bar"
quux[] = "baz"

EOF;
        PFXUtils::writeINIFile($data, $file);
        $this->assertEquals($expected, file_get_contents($file));
        // Append something
        PFXUtils::writeINIFile(array('horse' => 'secretariat'), $file, true);
        $expected .= 'horse = "secretariat"' . "\n";
        $this->assertEquals($expected, file_get_contents($file));
        $this->assertThrows('RuntimeException', array('PFXUtils', 'writeINIFile'), array($data, '/some/file/that/does/not/exist'));
    }