1 files changed, 33 insertions, 0 deletions
diff --git a/library/std/src/sys/itron/time/tests.rs b/library/std/src/sys/itron/time/tests.rs
new file mode 100644
index 00000000000..d14035d9da4
--- /dev/null
+++ b/library/std/src/sys/itron/time/tests.rs
@@ -0,0 +1,33 @@
+use super::*;
+
+fn reltim2dur(t: u64) -> Duration {
+    Duration::from_micros(t)
+}
+
+#[test]
+fn test_dur2reltims() {
+    assert_eq!(dur2reltims(reltim2dur(0)).collect::<Vec<_>>(), vec![]);
+    assert_eq!(dur2reltims(reltim2dur(42)).collect::<Vec<_>>(), vec![42]);
+    assert_eq!(
+        dur2reltims(reltim2dur(abi::TMAX_RELTIM as u64)).collect::<Vec<_>>(),
+        vec![abi::TMAX_RELTIM]
+    );
+    assert_eq!(
+        dur2reltims(reltim2dur(abi::TMAX_RELTIM as u64 + 10000)).collect::<Vec<_>>(),
+        vec![abi::TMAX_RELTIM, 10000]
+    );
+}
+
+#[test]
+fn test_dur2tmos() {
+    assert_eq!(dur2tmos(reltim2dur(0)).collect::<Vec<_>>(), vec![0]);
+    assert_eq!(dur2tmos(reltim2dur(42)).collect::<Vec<_>>(), vec![42]);
+    assert_eq!(
+        dur2tmos(reltim2dur(abi::TMAX_RELTIM as u64)).collect::<Vec<_>>(),
+        vec![abi::TMAX_RELTIM]
+    );
+    assert_eq!(
+        dur2tmos(reltim2dur(abi::TMAX_RELTIM as u64 + 10000)).collect::<Vec<_>>(),
+        vec![abi::TMAX_RELTIM, 10000]
+    );
+}