src/third_party/closure_library/closure/goog/structs/collection_test.js

// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

goog.provide('goog.structs.CollectionTest');
goog.setTestOnly('goog.structs.CollectionTest');

goog.require('goog.structs.AvlTree');
goog.require('goog.structs.Set');
goog.require('goog.testing.jsunit');

function testSet() {
  var set = new goog.structs.Set();
  exerciseCollection(set);
}

function testAvlTree() {
  var tree = new goog.structs.AvlTree();
  exerciseCollection(tree);
}

// Simple exercise of a collection object.
function exerciseCollection(collection) {
  assertEquals(0, collection.getCount());

  for (var i = 1; i <= 10; i++) {
    assertFalse(collection.contains(i));
    collection.add(i);
    assertTrue(collection.contains(i));
    assertEquals(i, collection.getCount());
  }

  assertEquals(10, collection.getCount());

  for (var i = 10; i > 0; i--) {
    assertTrue(collection.contains(i));
    collection.remove(i);
    assertFalse(collection.contains(i));
    assertEquals(i - 1, collection.getCount());
  }

  assertEquals(0, collection.getCount());
}