Fix test_memoryio

coolreader18 · coolreader18 · commit 163296d30620 · 2025-05-16T15:20:10.000-05:00
diff --git a/vm/src/stdlib/io.rs b/vm/src/stdlib/io.rs
@@ -259,6 +259,9 @@ mod _io {
         }
 
         fn write(&mut self, data: &[u8]) -> Option<u64> {
+            if data.is_empty() {
+                return Some(0);
+            }
             let length = data.len();
             self.cursor.write_all(data).ok()?;
             Some(length as u64)

Original file line number	Diff line number	Diff line change
`@@ -259,6 +259,9 @@ mod _io {`
`259`	`259`	`}`
`260`	`260`
`261`	`261`	`fn write(&mut self, data: &[u8]) -> Option<u64> {`
	`262`	`+ if data.is_empty() {`
	`263`	`+ return Some(0);`
	`264`	`+ }`
`262`	`265`	`let length = data.len();`
`263`	`266`	`self.cursor.write_all(data).ok()?;`
`264`	`267`	`Some(length as u64)`