popsu-d9/old.vendor/lsolesen/pel/test/NumberSRationalTest.php
2022-04-27 11:30:43 +02:00

151 lines
3.5 KiB
PHP

<?php
/**
* PEL: PHP Exif Library.
* A library with support for reading and
* writing all Exif headers in JPEG and TIFF images using PHP.
*
* Copyright (C) 2004, 2005, 2006 Martin Geisler.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program in the file COPYING; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
namespace Pel\Test;
use lsolesen\pel\PelEntrySRational;
use lsolesen\pel\PelOverflowException;
class NumberSRationalTest extends NumberTestCase
{
public function testOverflow()
{
$entry = new PelEntrySRational(42, [
- 1,
2
]);
$this->assertEquals($entry->getValue(), [
- 1,
2
]);
$caught = false;
try {
$entry->setValue([
- 10,
- 20
], [
- 1,
- 2147483649
]);
} catch (PelOverflowException $e) {
$caught = true;
}
$this->assertTrue($caught);
$this->assertEquals($entry->getValue(), [
- 1,
2
]);
$caught = false;
try {
$entry->setValue([
3,
4
], [
1,
2147483648
]);
} catch (PelOverflowException $e) {
$caught = true;
}
$this->assertTrue($caught);
$this->assertEquals($entry->getValue(), [
- 1,
2
]);
$caught = false;
try {
$entry->setValue([
3,
4
], [
4294967296,
1
]);
} catch (PelOverflowException $e) {
$caught = true;
}
$this->assertTrue($caught);
$this->assertEquals($entry->getValue(), [
- 1,
2
]);
}
public function testReturnValues()
{
$entry = new PelEntrySRational(42);
$this->assertEquals($entry->getValue(), []);
$entry->setValue([
- 1,
2
], [
3,
4
], [
5,
- 6
]);
$this->assertEquals($entry->getValue(), [
[
- 1,
2
],
[
3,
4
],
[
5,
- 6
]
]);
$this->assertEquals($entry->getText(), '-1/2, 3/4, -5/6');
$entry->setValue([
- 7,
- 8
]);
$this->assertEquals($entry->getValue(), [
- 7,
- 8
]);
$this->assertEquals($entry->getText(), '7/8');
$entry->setValue([
0,
2147483647
]);
$this->assertEquals($entry->getValue(), [
0,
2147483647
]);
$this->assertEquals($entry->getText(), '0/2147483647');
}
}