1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/symfony/mime/Tests/CharacterStreamTest.php b/vendor/symfony/mime/Tests/CharacterStreamTest.php
new file mode 100644
index 0000000000..62f4dc6fe8
--- /dev/null
+++ b/vendor/symfony/mime/Tests/CharacterStreamTest.php
@@ -0,0 +1,87 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Mime\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Mime\CharacterStream;
+
+class CharacterStreamTest extends TestCase
+{
+    public function testReadCharactersAreInTact()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
+        $stream->write(pack('C*',
+            0xD0, 0xBB,
+            0xD1, 0x8E,
+            0xD0, 0xB1,
+            0xD1, 0x8B,
+            0xD1, 0x85
+        ));
+        $this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
+        $this->assertSame(pack('C*', 0xD0, 0xB6, 0xD0, 0xBE), $stream->read(2));
+        $this->assertSame(pack('C*', 0xD0, 0xBB), $stream->read(1));
+        $this->assertSame(pack('C*', 0xD1, 0x8E, 0xD0, 0xB1, 0xD1, 0x8B), $stream->read(3));
+        $this->assertSame(pack('C*', 0xD1, 0x85), $stream->read(1));
+        $this->assertNull($stream->read(1));
+    }
+
+    public function testCharactersCanBeReadAsByteArrays()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
+        $stream->write(pack('C*',
+            0xD0, 0xBB,
+            0xD1, 0x8E,
+            0xD0, 0xB1,
+            0xD1, 0x8B,
+            0xD1, 0x85
+        ));
+        $this->assertEquals([0xD0, 0x94], $stream->readBytes(1));
+        $this->assertEquals([0xD0, 0xB6, 0xD0, 0xBE], $stream->readBytes(2));
+        $this->assertEquals([0xD0, 0xBB], $stream->readBytes(1));
+        $this->assertEquals([0xD1, 0x8E, 0xD0, 0xB1, 0xD1, 0x8B], $stream->readBytes(3));
+        $this->assertEquals([0xD1, 0x85], $stream->readBytes(1));
+        $this->assertNull($stream->readBytes(1));
+    }
+
+    public function testRequestingLargeCharCountPastEndOfStream()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
+        $this->assertSame(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE), $stream->read(100));
+        $this->assertNull($stream->read(1));
+    }
+
+    public function testRequestingByteArrayCountPastEndOfStream()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
+        $this->assertEquals([0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE], $stream->readBytes(100));
+        $this->assertNull($stream->readBytes(1));
+    }
+
+    public function testPointerOffsetCanBeSet()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD0, 0x94, 0xD0, 0xB6, 0xD0, 0xBE));
+        $this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
+        $stream->setPointer(0);
+        $this->assertSame(pack('C*', 0xD0, 0x94), $stream->read(1));
+        $stream->setPointer(2);
+        $this->assertSame(pack('C*', 0xD0, 0xBE), $stream->read(1));
+    }
+
+    public function testAlgorithmWithFixedWidthCharsets()
+    {
+        $stream = new CharacterStream(pack('C*', 0xD1, 0x8D, 0xD0, 0xBB, 0xD0, 0xB0));
+        $this->assertSame(pack('C*', 0xD1, 0x8D), $stream->read(1));
+        $this->assertSame(pack('C*', 0xD0, 0xBB), $stream->read(1));
+        $this->assertSame(pack('C*', 0xD0, 0xB0), $stream->read(1));
+        $this->assertNull($stream->read(1));
+    }
+}