Add more tests

Author: elast0ny

tests/general.rs

@@ -0,0 +1,91 @@
+use std::path::Path;
+
+use shared_memory::ShmemConf;
+
+#[test]
+fn create_new() {
+    let mut s = ShmemConf::new().size(4090).create().unwrap();
+
+    assert!(s.is_owner());
+    assert!(!s.get_os_id().is_empty());
+    assert!(s.len() >= 4090);
+    assert!(!s.as_ptr().is_null());
+    unsafe {
+        assert_eq!(s.as_slice().len(), s.len());
+        assert_eq!(s.as_slice_mut().len(), s.len());
+    }
+}
+
+#[test]
+fn create_with_flink() {
+    let flink = Path::new("create_new1");
+
+    let mut s = ShmemConf::new().flink(flink).size(4090).create().unwrap();
+
+    assert!(s.is_owner());
+    assert!(!s.get_os_id().is_empty());
+    assert!(flink.is_file());
+    assert!(s.len() >= 4090);
+    assert!(!s.as_ptr().is_null());
+    unsafe {
+        assert_eq!(s.as_slice().len(), s.len());
+        assert_eq!(s.as_slice_mut().len(), s.len());
+    }
+
+    drop(s);
+
+    assert!(!flink.is_file());
+}
+
+#[test]
+fn open_os_id() {
+    let s1 = ShmemConf::new().size(4090).create().unwrap();
+
+    // Open with the unique os id
+    let os_id = s1.get_os_id().to_string();
+    let mut s2 = ShmemConf::new().os_id(&os_id).open().unwrap();
+
+    assert!(!s2.is_owner());
+    assert!(!s2.get_os_id().is_empty());
+    assert!(s2.len() >= 4090);
+    assert!(!s2.as_ptr().is_null());
+    unsafe {
+        assert_eq!(s2.as_slice().len(), s2.len());
+        assert_eq!(s2.as_slice_mut().len(), s2.len());
+    }
+
+    // Drop the owner of the mapping
+    drop(s1);
+
+    // Make sure it can be openned again
+    assert!(ShmemConf::new().os_id(&os_id).open().is_err());
+
+    drop(s2);
+}
+
+#[test]
+fn open_flink() {
+    let flink = Path::new("create_new2");
+    let s1 = ShmemConf::new().flink(flink).size(4090).create().unwrap();
+
+    // Open with file base link
+    let mut s2 = ShmemConf::new().flink(&flink).open().unwrap();
+
+    assert!(!s2.is_owner());
+    assert!(!s2.get_os_id().is_empty());
+    assert!(flink.is_file());
+    assert!(s2.len() >= 4090);
+    assert!(!s2.as_ptr().is_null());
+    unsafe {
+        assert_eq!(s2.as_slice().len(), s2.len());
+        assert_eq!(s2.as_slice_mut().len(), s2.len());
+    }
+
+    // Drop the owner of the mapping
+    drop(s1);
+
+    // Make sure it can be openned again
+    assert!(ShmemConf::new().flink(&flink).open().is_err());
+
+    drop(s2);
+}