Fix tests to avoid empty classes

Author: catamorphism

src/test/compile-fail/noncopyable-class.rs

@@ -3,14 +3,15 @@
 // Test that a class with a non-copyable field can't be
 // copied
 class bar {
-  new() {}
+  let x: int;
+  new(x:int) {self.x = x;}
   drop {}
 }
 
 class foo {
   let i: int;
   let j: bar;
-  new(i:int) { self.i = i; self.j = bar(); }
+  new(i:int) { self.i = i; self.j = bar(5); }
 }
 
 fn main() { let x <- foo(10); let y = x; log(error, x); }

src/test/compile-fail/regions-bounds.rs

@@ -4,7 +4,7 @@
 
 enum an_enum/& { }
 iface an_iface/& { }
-class a_class/& { new() { } }
+class a_class/& { let x:int; new(x:int) { self.x = x; } }
 
 fn a_fn1(e: an_enum/&a) -> an_enum/&b {
     ret e; //! ERROR mismatched types: expected `an_enum/&b` but found `an_enum/&a`

src/test/compile-fail/vec-res-add.rs

@@ -1,7 +1,8 @@
 // error-pattern: copying a noncopyable value
 
 class r {
-  new(_i:int) {}
+  let i:int;
+  new(i:int) {self.i = i;}
   drop {}
 }
 

src/test/run-fail/morestack2.rs

@@ -21,7 +21,8 @@ fn getbig_call_c_and_fail(i: int) {
 }
 
 class and_then_get_big_again {
-  new() {}
+  let x:int;
+  new(x:int) {self.x = x;}
   drop {
     fn getbig(i: int) {
         if i != 0 {
@@ -34,7 +35,7 @@ class and_then_get_big_again {
 
 fn main() {
     task::spawn {||
-        let r = and_then_get_big_again();
+        let r = and_then_get_big_again(4);
         getbig_call_c_and_fail(10000);
     };
 }

src/test/run-fail/morestack3.rs

@@ -5,7 +5,7 @@
 use std;
 
 fn getbig_and_fail(&&i: int) {
-    let _r = and_then_get_big_again();
+    let _r = and_then_get_big_again(5);
     if i != 0 {
         getbig_and_fail(i - 1);
     } else {
@@ -14,7 +14,8 @@ fn getbig_and_fail(&&i: int) {
 }
 
 class and_then_get_big_again {
-  new() {}
+  let x:int;
+  new(x:int) {self.x = x;}
   drop {
     fn getbig(i: int) {
         if i != 0 {

src/test/run-fail/morestack4.rs

@@ -5,7 +5,7 @@
 use std;
 
 fn getbig_and_fail(&&i: int) {
-    let r = and_then_get_big_again();
+    let r = and_then_get_big_again(5);
     if i != 0 {
         getbig_and_fail(i - 1);
     } else {
@@ -14,7 +14,8 @@ fn getbig_and_fail(&&i: int) {
 }
 
 class and_then_get_big_again {
-  new() {}
+  let x:int;
+  new(x:int) {self.x = x;}
   drop {}
 }
 

src/test/run-fail/rt-set-exit-status-fail2.rs

@@ -1,19 +1,20 @@
 // error-pattern:whatever
 
 class r {
+  let x:int;
             // Setting the exit status after the runtime has already
             // failed has no effect and the process exits with the
             // runtime's exit code
   drop {
     os::set_exit_status(50);
   }
-  new() {}
+  new(x:int) {self.x = x;}
 }
 
 fn main() {
     log(error, "whatever");
     task::spawn {||
-      let i = r();
+      let i = r(5);
     };
     fail;
 }