[iotdb] branch tiered_storage updated: add more UT

[xi...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

xingtanzjr pushed a commit to branch tiered_storage
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/tiered_storage by this push:
     new 80bf822d0d7 add more UT
80bf822d0d7 is described below

commit 80bf822d0d778cb022d42b0f3db7461296c38524
Author: Jinrui.Zhang <xi...@gmail.com>
AuthorDate: Mon May 22 15:59:44 2023 +0800

    add more UT
---
 .../org/apache/iotdb/os/cache/OSFileChannelTest.java     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/object-storage/src/test/java/org/apache/iotdb/os/cache/OSFileChannelTest.java b/object-storage/src/test/java/org/apache/iotdb/os/cache/OSFileChannelTest.java
index bb09faa2de9..7fcb87ed5a9 100644
--- a/object-storage/src/test/java/org/apache/iotdb/os/cache/OSFileChannelTest.java
+++ b/object-storage/src/test/java/org/apache/iotdb/os/cache/OSFileChannelTest.java
@@ -123,6 +123,22 @@ public class OSFileChannelTest {
     }
   }
 
+  @Test
+  public void testByteBufferBiggerThanFileSize() throws Exception {
+    int fileSize = 550;
+    int byteBufferSize = 600;
+    prepareOSFile(fileSize);
+    try (OSFileChannel channel = new OSFileChannel(testFile, cache)) {
+      ByteBuffer dst = ByteBuffer.allocate(byteBufferSize);
+      assertEquals(fileSize, channel.read(dst));
+      assertEquals(byteBufferSize, dst.limit());
+      dst.flip();
+      for (int i = 0; i < fileSize; ++i) {
+        assertEquals((byte) i, dst.get());
+      }
+    }
+  }
+
   @Test
   public void testReadByPosition() throws Exception {
     int size = 550;