[Atomics] Fix atomic access index validation

test/mjsunit/harmony/futex.js

Index: test/mjsunit/harmony/futex.js
diff --git a/test/mjsunit/harmony/futex.js b/test/mjsunit/harmony/futex.js
index 3a73e0a9b82a5c10cdb7a278b5bc81b948c98980..626cff5fdba7554250fb0e67b7bff010369a41de 100644
--- a/test/mjsunit/harmony/futex.js
+++ b/test/mjsunit/harmony/futex.js
@@ -51,24 +51,36 @@
 
   // Valid indexes are 0-3.
   [-1, 4, 100].forEach(function(invalidIndex) {
-    assertEquals(undefined, Atomics.futexWait(i32a, invalidIndex, 0));
-    assertEquals(undefined, Atomics.futexWake(i32a, invalidIndex, 0));
+    assertThrows(function() {
+      Atomics.futexWait(i32a, invalidIndex, 0);
+    }, RangeError);
+    assertThrows(function() {
+      Atomics.futexWake(i32a, invalidIndex, 0);
+    }, RangeError);
     var validIndex = 0;
-    assertEquals(undefined, Atomics.futexWakeOrRequeue(i32a, invalidIndex, 0, 0,
-                                                       validIndex));
-    assertEquals(undefined, Atomics.futexWakeOrRequeue(i32a, validIndex, 0, 0,
-                                                       invalidIndex));
+    assertThrows(function() {
+      Atomics.futexWakeOrRequeue(i32a, invalidIndex, 0, 0, validIndex);
+    }, RangeError);
+    assertThrows(function() {
+      Atomics.futexWakeOrRequeue(i32a, validIndex, 0, 0, invalidIndex);
+    }, RangeError);
   });
 
   i32a = new Int32Array(sab, 8);
   [-1, 2, 100].forEach(function(invalidIndex) {
-    assertEquals(undefined, Atomics.futexWait(i32a, invalidIndex, 0));
-    assertEquals(undefined, Atomics.futexWake(i32a, invalidIndex, 0));
+    assertThrows(function() {
+      Atomics.futexWait(i32a, invalidIndex, 0);
+    }, RangeError);
+    assertThrows(function() {
+      Atomics.futexWake(i32a, invalidIndex, 0);
+    }, RangeError);
     var validIndex = 0;
-    assertEquals(undefined, Atomics.futexWakeOrRequeue(i32a, invalidIndex, 0, 0,
-                                                       validIndex));
-    assertEquals(undefined, Atomics.futexWakeOrRequeue(i32a, validIndex, 0, 0,
-                                                       invalidIndex));
+    assertThrows(function() {
+      Atomics.futexWakeOrRequeue(i32a, invalidIndex, 0, 0, validIndex);
+    }, RangeError);
+    assertThrows(function() {
+      Atomics.futexWakeOrRequeue(i32a, validIndex, 0, 0, invalidIndex);
+    }, RangeError);
   });
 })();