1 files changed, 14 insertions, 0 deletions
diff --git a/libart/src/main/java/java/lang/Thread.java b/libart/src/main/java/java/lang/Thread.java
index 2cc2857..b826e66 100644
--- a/libart/src/main/java/java/lang/Thread.java
+++ b/libart/src/main/java/java/lang/Thread.java
@@ -993,9 +993,23 @@ public class Thread implements Runnable {
      * @see Thread#interrupt()
      */
     public static void sleep(long millis, int nanos) throws InterruptedException {
+        if (millis < 0) {
+            throw new IllegalArgumentException("millis < 0: " + millis);
+        }
+        if (nanos < 0) {
+            throw new IllegalArgumentException("nanos < 0: " + nanos);
+        }
+        if (nanos > 999999) {
+            throw new IllegalArgumentException("nanos > 999999: " + nanos);
+        }
+
         // The JLS 3rd edition, section 17.9 says: "...sleep for zero
         // time...need not have observable effects."
         if (millis == 0 && nanos == 0) {
+            // ...but we still have to handle being interrupted.
+            if (Thread.interrupted()) {
+              throw new InterruptedException();
+            }
             return;
         }