| use super::page_table; |
| |
| #[test] |
| fn test_read_write() { |
| let mut pt = page_table::PageTable::new(); |
| assert_eq!(pt.write_u64(0x00100000, 42), false); |
| assert_eq!(pt.write_u64(0x00200000, 192), false); |
| |
| assert_eq!(pt.virtual_alloc(0x00100000), true); |
| |
| assert_eq!(pt.write_u64(0x00100000, 42), true); |
| assert_eq!(pt.write_u64(0x00200000, 192), false); |
| |
| assert_eq!(pt.write_u64(0x00100008, 7889315787603), true); |
| assert_eq!(pt.read_u64(0x00100000), Some(42)); |
| assert_eq!(pt.read_u64(0x00100008), Some(7889315787603)); |
| |
| assert_eq!(pt.read_u64(0x001ffff8), Some(0)); |
| assert_eq!(pt.read_u64(0x001ffff9), None); |
| |
| assert_eq!(pt.virtual_alloc(0x00200000), true); |
| |
| assert_eq!(pt.write_u64(0x00200000, 192), true); |
| assert_eq!(pt.read_u64(0x00100000), Some(42)); |
| assert_eq!(pt.read_u64(0x00200000), Some(192)); |
| } |
| |
| #[test] |
| fn test_types() { |
| let mut pt = page_table::PageTable::new(); |
| |
| assert_eq!(pt.virtual_alloc(0x0), true); |
| |
| assert_eq!(pt.write_u8(0x0, 42), true); |
| assert_eq!(pt.read_u8(0x0), Some(42)); |
| |
| assert_eq!(pt.write_i8(0x0, -1), true); |
| assert_eq!(pt.read_i8(0x0), Some(-1)); |
| |
| assert_eq!(pt.write_u16(0x0, 12345), true); |
| assert_eq!(pt.read_u16(0x0), Some(12345)); |
| |
| assert_eq!(pt.write_i16(0x0, -12345), true); |
| assert_eq!(pt.read_i16(0x0), Some(-12345)); |
| |
| assert_eq!(pt.write_u32(0x0, 99200), true); |
| assert_eq!(pt.read_u32(0x0), Some(99200)); |
| |
| assert_eq!(pt.write_i32(0x0, -99200), true); |
| assert_eq!(pt.read_i32(0x0), Some(-99200)); |
| |
| assert_eq!(pt.write_u64(0x0, 7889315787603), true); |
| assert_eq!(pt.read_u64(0x0), Some(7889315787603)); |
| |
| assert_eq!(pt.write_i64(0x0, -7889315787603), true); |
| assert_eq!(pt.read_i64(0x0), Some(-7889315787603)); |
| |
| assert_eq!(pt.write_f64(0x0, 0.267207909), true); |
| assert!((pt.read_f64(0x0).unwrap() - 0.267207909).abs() < 1e-12); |
| } |
| |
| #[test] |
| fn test_concurrent() { |
| use std::thread; |
| let pt = page_table::PageTable::new(); |
| |
| let handles = (0..128).map(|id| { |
| let mut pt = pt.clone(); |
| thread::spawn(move || { |
| let base: u64 = 0x00100000 * (id as u64); |
| assert_eq!(pt.virtual_alloc(base), true); |
| for i in 0..1000 { |
| assert_eq!(pt.write_u64(base + (i as u64) * 8, i), true); |
| } |
| for i in 0..1000 { |
| assert_eq!(pt.read_u64(base + (i as u64) * 8), Some(i)); |
| } |
| }) |
| }); |
| |
| for handle in handles { |
| handle.join().unwrap(); |
| } |
| } |
