Remove js.ArrayElement.

tests/compiler/dart2js/js_parser_test.dart

Index: tests/compiler/dart2js/js_parser_test.dart
diff --git a/tests/compiler/dart2js/js_parser_test.dart b/tests/compiler/dart2js/js_parser_test.dart
index a5f923b989edb2057a08d63ccba4d5c9fd47028f..badd0bd0526e732872dddee3ca35874b939e831b 100644
--- a/tests/compiler/dart2js/js_parser_test.dart
+++ b/tests/compiler/dart2js/js_parser_test.dart
@@ -10,12 +10,15 @@ import 'package:compiler/src/js/js.dart' as jsAst;
 import 'package:compiler/src/js/js.dart' show js;
 
 Future testExpression(String expression, [String expect = ""]) {
+  print("About to parse $expression");

[floitsch, 2014/12/01 13:03:29]

Remove debug prints.

[sigurdm, 2014/12/02 09:27:31]

Done.

   jsAst.Node node = js(expression);
+  print("");
   return MockCompiler.create((MockCompiler compiler) {
     String jsText =
         jsAst.prettyPrint(node,
                           compiler,
                           allowVariableMinification: false).getText();
+    print("got '$jsText'");
     if (expect == "") {
       Expect.stringEquals(expression, jsText);
     } else {
@@ -174,11 +177,13 @@ void main() {
     testExpression("[]"),
     testError("[42 42]"),
     testExpression('beebop([1, 2, 3])'),
-    // *We can't parse array literals with holes in them.
-    testError("[1,, 2]"),
-    testError("[1,]"),
-    testError("[,]"),
-    testError("[, 42]"),
+    // Array literals with holes in them.
+    testExpression("[1,, 2]"),
+    testExpression("[1,]", "[1]"),
+    testExpression("[1,,]", "[1,,]"),
+    testExpression("[,]"),
+    testExpression("[,,]"),
+    testExpression("[, 42]"),
     // Ternary operator.
     testExpression("x = a ? b : c"),
     testExpression("y = a == null ? b : a"),