sku-pg
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Skulpt is a Javascript implementation of Python 2.x. Python that runs in your browser!
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<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.LinkedMap</title>
<script src="../base.js"></script>
<script>
goog.require('goog.structs.LinkedMap');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.recordFunction');
</script>
</head>
<body>
<script>
function fillLinkedMap(m) {
m.set('a', 0);
m.set('b', 1);
m.set('c', 2);
m.set('d', 3);
}
var someObj = {};
function testLinkedMap() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
assertArrayEquals(['a', 'b', 'c', 'd'], m.getKeys());
assertArrayEquals([0, 1, 2, 3], m.getValues());
}
function testMaxSizeLinkedMap() {
var m = new goog.structs.LinkedMap(3);
fillLinkedMap(m);
assertArrayEquals(['b', 'c', 'd'], m.getKeys());
assertArrayEquals([1, 2, 3], m.getValues());
}
function testLruLinkedMap() {
var m = new goog.structs.LinkedMap(undefined, true);
fillLinkedMap(m);
assertArrayEquals(['d', 'c', 'b', 'a'], m.getKeys());
assertArrayEquals([3, 2, 1, 0], m.getValues());
m.get('a');
assertArrayEquals(['a', 'd', 'c', 'b'], m.getKeys());
assertArrayEquals([0, 3, 2, 1], m.getValues());
m.set('b', 4);
assertArrayEquals(['b', 'a', 'd', 'c'], m.getKeys());
assertArrayEquals([4, 0, 3, 2], m.getValues());
}
function testMaxSizeLruLinkedMap() {
var m = new goog.structs.LinkedMap(3, true);
fillLinkedMap(m);
assertArrayEquals(['d', 'c', 'b'], m.getKeys());
assertArrayEquals([3, 2, 1], m.getValues());
m.get('c');
assertArrayEquals(['c', 'd', 'b'], m.getKeys());
assertArrayEquals([2, 3, 1], m.getValues());
m.set('d', 4);
assertArrayEquals(['d', 'c', 'b'], m.getKeys());
assertArrayEquals([4, 2, 1], m.getValues());
}
function testGetCount() {
var m = new goog.structs.LinkedMap();
assertEquals(0, m.getCount());
m.set('a', 0);
assertEquals(1, m.getCount());
m.set('a', 1);
assertEquals(1, m.getCount());
m.set('b', 2);
assertEquals(2, m.getCount());
m.remove('a');
assertEquals(1, m.getCount());
}
function testIsEmpty() {
var m = new goog.structs.LinkedMap();
assertTrue(m.isEmpty());
m.set('a', 0);
assertFalse(m.isEmpty());
m.remove('a');
assertTrue(m.isEmpty());
}
function testSetMaxCount() {
var m = new goog.structs.LinkedMap(3);
fillLinkedMap(m);
assertEquals(3, m.getCount());
m.setMaxCount(5);
m.set('e', 5);
m.set('f', 6);
m.set('g', 7);
assertEquals(5, m.getCount());
m.setMaxCount(4);
assertEquals(4, m.getCount());
m.setMaxCount(0);
m.set('h', 8);
m.set('i', 9);
m.set('j', 10);
assertEquals(7, m.getCount());
}
function testClear() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
m.clear();
assertTrue(m.isEmpty());
}
function testForEach() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
m.forEach(function(val, key, linkedMap) {
linkedMap.set(key, val * 2);
assertEquals('forEach should run in provided context.', someObj, this);
}, someObj);
assertArrayEquals(['a', 'b', 'c', 'd'], m.getKeys());
assertArrayEquals([0, 2, 4, 6], m.getValues());
}
function testMap() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
var result = m.map(function(val, key, linkedMap) {
assertEquals('The LinkedMap object should get passed in', m, linkedMap);
assertEquals('map should run in provided context', someObj, this);
return key + val;
}, someObj);
assertArrayEquals(['a0', 'b1', 'c2', 'd3'], result);
}
function testSome() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
var result = m.some(function(val, key, linkedMap) {
assertEquals('The LinkedMap object should get passed in', m, linkedMap);
assertEquals('map should run in provided context', someObj, this);
return val > 2;
}, someObj);
assertTrue(result);
assertFalse(m.some(function(val) {return val > 3}));
assertTrue(m.some(function(val, key) {return key == 'c';}));
assertFalse(m.some(function(val, key) {return key == 'e';}));
}
function testEvery() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
var result = m.every(function(val, key, linkedMap) {
assertEquals('The LinkedMap object should get passed in', m, linkedMap);
assertEquals('map should run in provided context', someObj, this);
return val < 5;
}, someObj);
assertTrue(result);
assertFalse(m.every(function(val) {return val < 2}));
assertTrue(m.every(function(val, key) {return key.length == 1;}));
assertFalse(m.every(function(val, key) {return key == 'b';}));
}
function testPeek() {
var m = new goog.structs.LinkedMap();
assertEquals(undefined, m.peek());
assertEquals(undefined, m.peekLast());
fillLinkedMap(m);
assertEquals(0, m.peek());
m.remove('a');
assertEquals(1, m.peek());
assertEquals(3, m.peekLast());
assertEquals(3, m.peekValue('d'));
assertEquals(1, m.peek());
m.remove('d');
assertEquals(2, m.peekLast());
}
function testPop() {
var m = new goog.structs.LinkedMap();
assertEquals(undefined, m.shift());
assertEquals(undefined, m.pop());
fillLinkedMap(m);
assertEquals(4, m.getCount());
assertEquals(0, m.shift());
assertEquals(1, m.peek());
assertEquals(3, m.pop());
assertEquals(2, m.peekLast());
assertEquals(2, m.getCount());
}
function testContains() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
assertTrue(m.contains(2));
assertFalse(m.contains(4));
}
function testContainsKey() {
var m = new goog.structs.LinkedMap();
fillLinkedMap(m);
assertTrue(m.containsKey('b'));
assertFalse(m.containsKey('elephant'));
assertFalse(m.containsKey('undefined'));
}
function testRemoveNodeCalls() {
var m = new goog.structs.LinkedMap(1);
m.removeNode = goog.testing.recordFunction(m.removeNode);
m.set('1', 1);
assertEquals('removeNode not called after adding an element', 0,
m.removeNode.getCallCount());
m.set('1', 2);
assertEquals('removeNode not called after updating an element', 0,
m.removeNode.getCallCount());
m.set('2', 2);
assertEquals('removeNode called after adding an overflowing element', 1,
m.removeNode.getCallCount());
m.remove('3');
assertEquals('removeNode not called after removing a non-existing element', 1,
m.removeNode.getCallCount());
m.remove('2');
assertEquals('removeNode called after removing an existing element', 2,
m.removeNode.getCallCount());
m.set('1', 1);
m.clear();
assertEquals('removeNode called after clearing the map', 3,
m.removeNode.getCallCount());
m.clear();
assertEquals('removeNode not called after clearing an empty map', 3,
m.removeNode.getCallCount());
m.set('1', 1);
m.pop();
assertEquals('removeNode called after calling pop', 4,
m.removeNode.getCallCount());
m.pop();
assertEquals('removeNode not called after calling pop on an empty map', 4,
m.removeNode.getCallCount());
m.set('1', 1);
m.shift();
assertEquals('removeNode called after calling shift', 5,
m.removeNode.getCallCount());
m.shift();
assertEquals('removeNode not called after calling shift on an empty map', 5,
m.removeNode.getCallCount());
m.setMaxCount(2);
m.set('1', 1);
m.set('2', 2);
assertEquals('removeNode not called after increasing the maximum map size', 5,
m.removeNode.getCallCount());
m.setMaxCount(1);
assertEquals('removeNode called after decreasing the maximum map size', 6,
m.removeNode.getCallCount());
}
</script>
</body>
</html>