1 files changed, 56 insertions, 0 deletions
diff --git a/src/test/stdtest/fs.rs b/src/test/stdtest/fs.rs
index 14467ea59a6..66cec07c795 100644
--- a/src/test/stdtest/fs.rs
+++ b/src/test/stdtest/fs.rs
@@ -156,4 +156,60 @@ fn normalize12() {
 #[cfg(target_os = "win32")]
 fn path_is_absolute_win32() {
    assert fs::path_is_absolute("C:/whatever");
+}
+
+#[test]
+fn splitext_empty() {
+    let (base, ext) = fs::splitext("");
+    assert base == "";
+    assert ext == "";
+}
+
+#[test]
+fn splitext_ext() {
+    let (base, ext) = fs::splitext("grum.exe");
+    assert base == "grum";
+    assert ext == ".exe";
+}
+
+#[test]
+fn splitext_noext() {
+    let (base, ext) = fs::splitext("grum");
+    assert base == "grum";
+    assert ext == "";
+}
+
+#[test]
+fn splitext_dotfile() {
+    let (base, ext) = fs::splitext(".grum");
+    assert base == ".grum";
+    assert ext == "";
+}
+
+#[test]
+fn splitext_path_ext() {
+    let (base, ext) = fs::splitext("oh/grum.exe");
+    assert base == "oh/grum";
+    assert ext == ".exe";
+}
+
+#[test]
+fn splitext_path_noext() {
+    let (base, ext) = fs::splitext("oh/grum");
+    assert base == "oh/grum";
+    assert ext == "";
+}
+
+#[test]
+fn splitext_dot_in_path() {
+    let (base, ext) = fs::splitext("oh.my/grum");
+    assert base == "oh.my/grum";
+    assert ext == "";
+}
+
+#[test]
+fn splitext_nobasename() {
+    let (base, ext) = fs::splitext("oh.my/");
+    assert base == "oh.my/";
+    assert ext == "";
 }
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