Add fs::rmdir() and tempfile/gen_str() tests.

src/lib/fs.rs

@@ -119,7 +119,7 @@ fn file_is_dir(p: path) -> bool {
 /*
 Function: make_dir
 
-Creates a directory at the specific path.
+Creates a directory at the specified path.
 */
 fn make_dir(p: path, mode: int) -> bool {
     ret mkdir(p, mode);
@@ -157,6 +157,26 @@ fn list_dir(p: path) -> [str] {
     ret full_paths;
 }
 
+/*
+Function: remove_dir
+
+Removes a directory at the specified path.
+*/
+fn remove_dir(p: path) -> bool {
+   ret rmdir(p);
+
+    #[cfg(target_os = "win32")]
+    fn rmdir(_p: path) -> bool {
+        ret str::as_buf(_p, {|buf| os::kernel32::RemoveDirectory(buf)});
+    }
+
+    #[cfg(target_os = "linux")]
+    #[cfg(target_os = "macos")]
+    fn rmdir(_p: path) -> bool {
+        ret str::as_buf(_p, {|buf| os::libc::rmdir(buf) == 0 });
+    }
+}
+
 /*
 Function: path_is_absolute
 

src/lib/linux_os.rs

@@ -52,6 +52,7 @@
     fn waitpid(pid: pid_t, &status: c_int, options: c_int) -> pid_t;
     fn readlink(path: str::sbuf, buf: str::sbuf, bufsize: size_t) -> ssize_t;
     fn mkdir(path: str::sbuf, mode: int) -> int;
+    fn rmdir(path: str::sbuf) -> int;
 }
 
 mod libc_constants {

src/lib/macos_os.rs

@@ -45,6 +45,7 @@
     fn pipe(buf: *mutable int) -> int;
     fn waitpid(pid: int, &status: int, options: int) -> int;
     fn mkdir(s: str::sbuf, mode: int) -> int;
+    fn rmdir(s: str::sbuf) -> int;
 }
 
 mod libc_constants {

src/lib/win32_os.rs

@@ -54,6 +54,7 @@ fn GetModuleFileNameA(hModule: HMODULE,
                           nSize: DWORD) -> DWORD;
     fn CreateDirectory(lpPathName: LPCTSTR,
                        lpSecurityAttributes: LPSECURITY_ATTRIBUTES) -> bool;
+    fn RemoveDirectory(lpPathName: LPCTSTR) -> bool;
 }
 
 // FIXME turn into constants

src/test/stdtest/rand.rs

@@ -3,6 +3,7 @@
 // -*- rust -*-
 use std;
 import std::rand;
+import std::str;
 
 #[test]
 fn test() {
@@ -27,3 +28,13 @@ fn test() {
     log r1.next();
     log r1.next();
 }
+
+#[test]
+fn genstr() {
+    let r: rand::rng = rand::mk_rng();
+    log r.gen_str(10u);
+    log r.gen_str(10u);
+    log r.gen_str(10u);
+    assert(str::char_len(r.gen_str(10u)) == 10u);
+    assert(str::char_len(r.gen_str(16u)) == 16u);
+}

src/test/stdtest/stdtest.rc

@@ -33,6 +33,7 @@ mod sort;
 mod str;
 mod sys;
 mod task;
+mod tempfile;
 mod test;
 mod tri;
 mod treemap;

src/test/stdtest/tempfile.rs

@@ -0,0 +1,17 @@
+use std;
+import std::fs;
+import std::option::some;
+import std::str;
+import std::tempfile;
+
+#[test]
+fn mkdtemp() {
+    let r = tempfile::mkdtemp("./", "foobar");
+    alt r {
+        some(p) {
+            fs::remove_dir(p);
+            assert(str::ends_with(p, "foobar"));
+        }
+        _ { assert(false); }
+    }
+}