ES6: Promise.prototype.then should use callable for its arguments

test/mjsunit/es6/promises.js

Index: test/mjsunit/es6/promises.js
diff --git a/test/mjsunit/es6/promises.js b/test/mjsunit/es6/promises.js
index 96a7bbbf3f6e5c5fca86732464aae33567f33a92..280e4b39d7be5bc5398f78622aa848e278555f38 100644
--- a/test/mjsunit/es6/promises.js
+++ b/test/mjsunit/es6/promises.js
@@ -109,6 +109,21 @@ function assertAsyncDone(iteration) {
     assertUnreachable
   )
   assertAsyncRan()
+  Promise.accept(7).then(false, assertUnreachable).chain(
+    function(x) { assertAsync(x === 7, "resolved/then-nohandler-false") },
+    assertUnreachable
+  )
+  assertAsyncRan()
+  Promise.accept(8).then(42, assertUnreachable).chain(
+    function(x) { assertAsync(x === 8, "resolved/then-nohandler-42") },
+    assertUnreachable
+  )
+  assertAsyncRan()
+  Promise.accept(9).then({}, assertUnreachable).chain(
+    function(x) { assertAsync(x === 9, "resolved/then-nohandler-object") },
+    assertUnreachable
+  )
+  assertAsyncRan()
 })();
 
 (function() {
@@ -122,6 +137,21 @@ function assertAsyncDone(iteration) {
     function(r) { assertAsync(r === 6, "rejected/then-nohandler-null") }
   )
   assertAsyncRan()
+  Promise.reject(7).then(assertUnreachable, false).chain(
+    assertUnreachable,
+    function(r) { assertAsync(r === 7, "rejected/then-nohandler-false") }
+  )
+  assertAsyncRan()
+  Promise.reject(8).then(assertUnreachable, 42).chain(
+    assertUnreachable,
+    function(r) { assertAsync(r === 8, "rejected/then-nohandler-42") }
+  )
+  assertAsyncRan()
+  Promise.reject(9).then(assertUnreachable, {}).chain(
+    assertUnreachable,
+    function(r) { assertAsync(r === 9, "rejected/then-nohandler-object") }
+  )
+  assertAsyncRan()
 })();
 
 (function() {