Check for ie11

glimmerjs · Apr 13, 2018 · f628372 · f628372
1 parent eddb932
commit f628372
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/packages/@glimmer/program/test/heap-test.ts b/packages/@glimmer/program/test/heap-test.ts
@@ -20,13 +20,19 @@ QUnit.test('Can grow', (assert) => {
   // we get the whole thing out
   let serialized = heap.capture(Number.MAX_SAFE_INTEGER);
   let serializedHeap = new Uint16Array(serialized.buffer);
-  assert.equal(serializedHeap.byteLength, size * 2);
+  assert.equal(serializedHeap.length, size);
   assert.equal(serializedHeap[size - 1], 10);
 
   heap.push(11);
 
   serialized = heap.capture(Number.MAX_SAFE_INTEGER);
   serializedHeap = new Uint16Array(serialized.buffer);
-  assert.equal(serializedHeap.byteLength, size * 4);
+
+  if (serializedHeap.slice) {
+    assert.equal(serializedHeap.length, size * 2);
+  } else {
+    // IE11 only gives you a buffer with residents in the slots
+    assert.equal(serializedHeap.length, size + 1);
+  }
   assert.equal(serializedHeap[size], 11);
 });