rt: Add tests for box annihilator.

src/test/run-pass/box-annihilator-shared.rs

@@ -0,0 +1,11 @@
+extern mod rustrt {
+    fn rust_annihilate_box(ptr: *uint);
+}
+
+fn main() {
+    unsafe {
+        let x = @3;
+        let p: *uint = unsafe::transmute(x);
+        rustrt::rust_annihilate_box(p);
+    }
+}

src/test/run-pass/box-annihilator-unique-vec.rs

@@ -0,0 +1,11 @@
+extern mod rustrt {
+    fn rust_annihilate_box(ptr: *uint);
+}
+
+fn main() {
+    unsafe {
+        let x = ~[~"a", ~"b", ~"c"];
+        let p: *uint = unsafe::transmute(x);
+        rustrt::rust_annihilate_box(p);
+    }
+}

src/test/run-pass/box-annihilator-unique.rs

@@ -0,0 +1,11 @@
+extern mod rustrt {
+    fn rust_annihilate_box(ptr: *uint);
+}
+
+fn main() {
+    unsafe {
+        let x = ~3;
+        let p: *uint = unsafe::transmute(x);
+        rustrt::rust_annihilate_box(p);
+    }
+}