add test with large RAM disk

Author: Freax13

tests/ramdisk.rs

@@ -1,6 +1,8 @@
 use std::path::Path;
 
 use bootloader_test_runner::run_test_kernel_with_ramdisk;
+use tempfile::NamedTempFile;
+
 static RAMDISK_PATH: &str = "tests/ramdisk.txt";
 
 #[test]
@@ -26,3 +28,15 @@ fn memory_map() {
         Some(Path::new(RAMDISK_PATH)),
     );
 }
+
+#[test]
+fn large_ramdisk() {
+    // Create a large file to act as the RAM disk.
+    let ramdisk = NamedTempFile::new().unwrap();
+    ramdisk.as_file().set_len(1024 * 1024 * 16).unwrap();
+
+    run_test_kernel_with_ramdisk(
+        env!("CARGO_BIN_FILE_TEST_KERNEL_RAMDISK_basic_boot"),
+        Some(ramdisk.as_ref()),
+    );
+}