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<!DOCTYPE html>
<html>
<!--
Copyright 2010 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.debug.LogBuffer</title>
<script src="../base.js"></script>
<script>
goog.require('goog.debug.LogRecord');
goog.require('goog.debug.LogBuffer');
goog.require('goog.debug.Logger');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
var DUMMY_LEVELS = [
goog.debug.Logger.Level.INFO,
goog.debug.Logger.Level.WARNING,
goog.debug.Logger.Level.SEVERE];
var DUMMY_MESSAGES = ['a', 'b', 'c'];
var DUMMY_NAMES = ['X', 'Y', 'Z'];
var buffer;
var dummyIndex = 0;
function setUp() {
goog.debug.LogBuffer.CAPACITY = 4;
goog.debug.LogBuffer.instance_ = null;
buffer = goog.debug.LogBuffer.getInstance();
}
function verifyRecord(expectedIndex, record) {
var index = expectedIndex % DUMMY_MESSAGES.length;
var message = DUMMY_MESSAGES[index];
var level = DUMMY_LEVELS[index];
var name = DUMMY_NAMES[index];
assertEquals('Wrong level for record ' + expectedIndex, level,
record.getLevel());
assertEquals('Wrong message for record ' + expectedIndex, message,
record.getMessage());
assertEquals('Wrong name for record ' + expectedIndex, name,
record.getLoggerName());
}
function addAndVerifyRecord() {
var index = dummyIndex % DUMMY_MESSAGES.length;
var level = DUMMY_LEVELS[index];
var message = DUMMY_MESSAGES[index];
var name = DUMMY_NAMES[index];
var record = buffer.addRecord(level, message, name);
verifyRecord(dummyIndex, record);
dummyIndex++;
}
function addSomeRecords(howMany) {
for (var i = 0; i < howMany; i++) {
addAndVerifyRecord();
}
}
function testAddRecord() {
addSomeRecords(goog.debug.LogBuffer.CAPACITY * 3);
}
function testIsFull() {
assertFalse('Should not be full.', buffer.isFull_);
addSomeRecords(goog.debug.LogBuffer.CAPACITY * 1.5);
assertTrue('Should be full.', buffer.isFull_);
buffer.clear();
assertFalse('Should not be full after clear().', buffer.isFull_);
addSomeRecords(goog.debug.LogBuffer.CAPACITY - 1);
assertFalse('Should not be full but almost full.', buffer.isFull_);
}
function testForEachRecord() {
// Test with it half full.
var howMany1 = goog.debug.LogBuffer.CAPACITY / 2;
addSomeRecords(howMany1);
var counter1 = 0;
buffer.forEachRecord(function(record) {
verifyRecord(counter1++, record);
});
assertEquals('Wrong number of records when half full.', howMany1, counter1);
// Test with it full.
var howMany2 = goog.debug.LogBuffer.CAPACITY;
addSomeRecords(howMany2);
var index = counter1;
buffer.forEachRecord(function(record) {
verifyRecord(index++, record);
});
assertEquals('Wrong number of records when full.', howMany1 + howMany2,
index);
}
</script>
</body>
</html>
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