Move /src/test to /tests

tests/ui/for-loop-while/cleanup-rvalue-during-if-and-while.rs

@@ -0,0 +1,41 @@
+// run-pass
+// This test verifies that temporaries created for `while`'s and `if`
+// conditions are dropped after the condition is evaluated.
+
+struct Temporary;
+
+static mut DROPPED: isize = 0;
+
+impl Drop for Temporary {
+    fn drop(&mut self) {
+        unsafe { DROPPED += 1; }
+    }
+}
+
+impl Temporary {
+    fn do_stuff(&self) -> bool {true}
+}
+
+fn borrow() -> Box<Temporary> { Box::new(Temporary) }
+
+
+pub fn main() {
+    let mut i = 0;
+
+    // This loop's condition
+    // should call `Temporary`'s
+    // `drop` 6 times.
+    while borrow().do_stuff() {
+        i += 1;
+        unsafe { assert_eq!(DROPPED, i) }
+        if i > 5 {
+            break;
+        }
+    }
+
+    // This if condition should
+    // call it 1 time
+    if borrow().do_stuff() {
+        unsafe { assert_eq!(DROPPED, i + 1) }
+    }
+}