Symfony\Component\Filesystem\Tests\FilesystemTest::testCopyWithOverrideWithReadOnlyTargetFails PHP Method

    public function testCopyWithOverrideWithReadOnlyTargetFails()
    {
        // skip test on Windows; PHP can't easily set file as unwritable on Windows
        if ('\\' === DIRECTORY_SEPARATOR) {
            $this->markTestSkipped('This test cannot run on Windows.');
        }
        $sourceFilePath = $this->workspace . DIRECTORY_SEPARATOR . 'copy_source_file';
        $targetFilePath = $this->workspace . DIRECTORY_SEPARATOR . 'copy_target_file';
        file_put_contents($sourceFilePath, 'SOURCE FILE');
        file_put_contents($targetFilePath, 'TARGET FILE');
        // make sure both files have the same modification time
        $modificationTime = time() - 1000;
        touch($sourceFilePath, $modificationTime);
        touch($targetFilePath, $modificationTime);
        // make sure target is read-only
        $this->filesystem->chmod($targetFilePath, 0444);
        $this->filesystem->copy($sourceFilePath, $targetFilePath, true);
    }