3 files changed, 31 insertions, 15 deletions
diff --git a/src/test/run-pass/append-units.rs b/src/test/run-pass/append-units.rs
deleted file mode 100644
index 05b3478b..00000000
--- a/src/test/run-pass/append-units.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-fn main() {
-  auto v = vec(1,2,3);
-  v += 4;
-  v += 5;
-  check (v.(3) == 4);
-  check (v.(4) == 5);
-
-  auto s = "hello";
-  log s;
-  s += 'z' as u8;
-  s += 'y' as u8;
-  log s;
-  check (s.(5) == 'z' as u8);
-  check (s.(6) == 'y' as u8);
-}
diff --git a/src/test/run-pass/lib-str-buf.rs b/src/test/run-pass/lib-str-buf.rs
new file mode 100644
index 00000000..7ba19e92
--- /dev/null
+++ b/src/test/run-pass/lib-str-buf.rs
@@ -0,0 +1,14 @@
+// -*- rust -*-
+
+use std;
+import std._str;
+
+fn main() {
+    auto s = "hello";
+    auto sb = _str.rustrt.str_buf(s);
+    auto s_cstr = _str.rustrt.str_from_cstr(sb);
+    check (_str.eq(s_cstr, s));
+    auto s_buf = _str.rustrt.str_from_buf(sb, 5u);
+    check (_str.eq(s_buf, s));
+}
+
diff --git a/src/test/run-pass/maybe-mutable.rs b/src/test/run-pass/maybe-mutable.rs
new file mode 100644
index 00000000..c0af0867
--- /dev/null
+++ b/src/test/run-pass/maybe-mutable.rs
@@ -0,0 +1,17 @@
+// -*- rust -*-
+
+fn len(vec[mutable? int] v) -> uint {
+    auto i = 0u;
+    for (int x in v) {
+        i += 1u;
+    }
+    ret i;
+}
+
+fn main() {
+    auto v0 = vec(1, 2, 3, 4, 5);
+    log len(v0);
+    auto v1 = vec(mutable 1, 2, 3, 4, 5);
+    log len(v1);
+}
+