add two tests

testRewind tests reading and writing after rewind on an encrypted stream; testWriteWriteRead tests r+ mode

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/lib/files/stream/encryption.php b/tests/lib/files/stream/encryption.php
index 1da208282e6..024185b34c8 100644
--- a/tests/lib/files/stream/encryption.php
+++ b/tests/lib/files/stream/encryption.php
@@ -152,6 +152,36 @@ class Encryption extends \Test\TestCase {
 		unlink($fileName);
 	}
 
+	public function testWriteWriteRead() {
+		$fileName = tempnam("/tmp", "FOO");
+		$stream = $this->getStream($fileName, 'w+', 0);
+		$this->assertEquals(6, fwrite($stream, 'foobar'));
+		fclose($stream);
+
+		$stream = $this->getStream($fileName, 'r+', 6);
+		$this->assertEquals(3, fwrite($stream, 'bar'));
+		fclose($stream);
+
+		$stream = $this->getStream($fileName, 'r', 6);
+		$this->assertEquals('barbar', fread($stream, 100));
+		fclose($stream);
+	}
+
+	public function testRewind() {
+		$fileName = tempnam("/tmp", "FOO");
+		$stream = $this->getStream($fileName, 'w+', 0);
+		$this->assertEquals(6, fwrite($stream, 'foobar'));
+		$this->assertEquals(TRUE, rewind($stream));
+		$this->assertEquals('foobar', fread($stream, 100));
+		$this->assertEquals(TRUE, rewind($stream));
+		$this->assertEquals(3, fwrite($stream, 'bar'));
+		fclose($stream);
+
+		$stream = $this->getStream($fileName, 'r', 6);
+		$this->assertEquals('barbar', fread($stream, 100));
+		fclose($stream);
+	}
+
 	public function testSeek() {
 		$fileName = tempnam("/tmp", "FOO");
 		$stream = $this->getStream($fileName, 'w+', 0);