Javascript  |  30行  |  756 B

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

(function testSpreadIndex() {
  var result = [...[17, 42]][1];
  assertEquals(result, 42);
})();

(function testSpreadProperty() {
  var result = [...[17, 42]].length;
  assertEquals(result, 2);
})();

(function testSpreadMethodCall() {
  var result = [...[17, 42]].join("+");
  assertEquals(result, "17+42");
})();

(function testSpreadSavedMethodCall() {
  var x = [...[17, 42]];
  var method = x.join;
  var result = method.call(x, "+");
  assertEquals(result, "17+42");
})();

(function testSpreadAsTemplateTag() {
  assertThrows(function() { [...[17, 42]] `foo`; }, TypeError)
})();