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<!DOCTYPE html>
<html>
<!--
Copyright 2006 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.structs.Heap</title>
<script src="../base.js"></script>
<script>
goog.require('goog.structs');
goog.require('goog.structs.Heap');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
function getHeap() {
var h = new goog.structs.Heap();
h.insert(0, 'a');
h.insert(1, 'b');
h.insert(2, 'c');
h.insert(3, 'd');
return h;
}
function getHeap2() {
var h = new goog.structs.Heap();
h.insert(1, 'b');
h.insert(3, 'd');
h.insert(0, 'a');
h.insert(2, 'c');
return h;
}
function testGetCount1() {
var h = getHeap();
assertEquals('count, should be 4', h.getCount(), 4);
h.remove();
assertEquals('count, should be 3', h.getCount(), 3);
}
function testGetCount2() {
var h = getHeap();
h.remove();
h.remove();
h.remove();
h.remove();
assertEquals('count, should be 0', h.getCount(), 0);
}
function testKeys() {
var h = getHeap();
var keys = h.getKeys();
for (var i = 0; i < 4; i++) {
assertTrue('getKeys, key ' + i + ' found', goog.structs.contains(keys, i));
}
assertEquals('getKeys, Should be 4 keys', goog.structs.getCount(keys), 4);
}
function testValues() {
var h = getHeap();
var values = h.getValues();
assertTrue('getKeys, value "a" found', goog.structs.contains(values, 'a'));
assertTrue('getKeys, value "b" found', goog.structs.contains(values, 'b'));
assertTrue('getKeys, value "c" found', goog.structs.contains(values, 'c'));
assertTrue('getKeys, value "d" found', goog.structs.contains(values, 'd'));
assertEquals('getKeys, Should be 4 keys', goog.structs.getCount(values), 4);
}
function testContainsKey() {
var h = getHeap();
for (var i = 0; i < 4; i++) {
assertTrue('containsKey, key ' + i + ' found', h.containsKey(i));
}
assertFalse('containsKey, value 4 not found', h.containsKey(4));
}
function testContainsValue() {
var h = getHeap();
assertTrue('containsValue, value "a" found', h.containsValue('a'));
assertTrue('containsValue, value "b" found', h.containsValue('b'));
assertTrue('containsValue, value "c" found', h.containsValue('c'));
assertTrue('containsValue, value "d" found', h.containsValue('d'));
assertFalse('containsValue, value "e" not found', h.containsValue('e'));
}
function testClone() {
var h = getHeap();
var h2 = h.clone();
assertTrue('clone so it should not be empty', !h2.isEmpty());
assertTrue('clone so it should contain key 0', h2.containsKey(0));
assertTrue('clone so it should contain value "a"', h2.containsValue('a'));
}
function testClear() {
var h = getHeap();
h.clear();
assertTrue('cleared so it should be empty', h.isEmpty());
}
function testIsEmpty() {
var h = getHeap();
assertFalse('4 values so should not be empty', h.isEmpty());
h.remove();
h.remove();
h.remove();
assertFalse('1 values so should not be empty', h.isEmpty());
h.remove();
assertTrue('0 values so should be empty', h.isEmpty());
}
function testPeek1() {
var h = getHeap();
assertEquals('peek, Should be "a"', h.peek(), 'a');
}
function testPeek2() {
var h = getHeap2();
assertEquals('peek, Should be "a"', h.peek(), 'a');
}
function testPeek3() {
var h = getHeap();
h.clear();
assertEquals('peek, Should be "undefined"', h.peek(), undefined);
}
function testPeekKey1() {
var h = getHeap();
assertEquals('peekKey, Should be "0"', h.peekKey(), 0);
}
function testPeekKey2() {
var h = getHeap2();
assertEquals('peekKey, Should be "0"', h.peekKey(), 0);
}
function testPeekKey3() {
var h = getHeap();
h.clear();
assertEquals('peekKey, Should be "undefined"', h.peekKey(), undefined);
}
function testRemove1() {
var h = getHeap();
assertEquals('remove, Should be "a"', h.remove(), 'a');
assertEquals('remove, Should be "b"', h.remove(), 'b');
assertEquals('remove, Should be "c"', h.remove(), 'c');
assertEquals('remove, Should be "d"', h.remove(), 'd');
}
function testRemove2() {
var h = getHeap2();
assertEquals('remove, Should be "a"', h.remove(), 'a');
assertEquals('remove, Should be "b"', h.remove(), 'b');
assertEquals('remove, Should be "c"', h.remove(), 'c');
assertEquals('remove, Should be "d"', h.remove(), 'd');
}
function testInsertPeek1() {
var h = new goog.structs.Heap();
h.insert(3, 'd');
assertEquals('peek, Should be "d"', h.peek(), 'd');
h.insert(2, 'c');
assertEquals('peek, Should be "c"', h.peek(), 'c');
h.insert(1, 'b');
assertEquals('peek, Should be "b"', h.peek(), 'b');
h.insert(0, 'a');
assertEquals('peek, Should be "a"', h.peek(), 'a');
}
function testInsertPeek2() {
var h = new goog.structs.Heap();
h.insert(1, 'b');
assertEquals('peak, Should be "b"', h.peek(), 'b');
h.insert(3, 'd');
assertEquals('peak, Should be "b"', h.peek(), 'b');
h.insert(0, 'a');
assertEquals('peak, Should be "a"', h.peek(), 'a');
h.insert(2, 'c');
assertEquals('peak, Should be "a"', h.peek(), 'a');
}
</script>
</body>
</html>
|
