From 7bf08fdcc724ef203df8a5fb92bc495e72ee4d65 Mon Sep 17 00:00:00 2001
From: euromark <euromark@web.de>
Date: Fri, 12 Oct 2012 16:03:05 +0200
Subject: [PATCH] default value null makes more sense. add test cases for
 false.

---
 lib/Cake/Test/Case/BasicsTest.php           | 12 ++++++++++++
 lib/Cake/Test/Case/Utility/DebuggerTest.php |  7 +++++++
 lib/Cake/basics.php                         |  2 +-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/lib/Cake/Test/Case/BasicsTest.php b/lib/Cake/Test/Case/BasicsTest.php
index 0c12fed6fab..97557e85d3d 100644
--- a/lib/Cake/Test/Case/BasicsTest.php
+++ b/lib/Cake/Test/Case/BasicsTest.php
@@ -825,6 +825,18 @@ public function testDebug() {
 ########## DEBUG ##########
 '<div>this-is-a-test</div>'
 ###########################
+EXPECTED;
+		$expected = sprintf($expected, str_replace(CAKE_CORE_INCLUDE_PATH, '', __FILE__), __LINE__ - 8);
+		$this->assertEquals($expected, $result);
+
+		ob_start();
+		debug(false, false, false);
+		$result = ob_get_clean();
+		$expected = <<<EXPECTED
+
+########## DEBUG ##########
+false
+###########################
 EXPECTED;
 		$expected = sprintf($expected, str_replace(CAKE_CORE_INCLUDE_PATH, '', __FILE__), __LINE__ - 8);
 		$this->assertEquals($expected, $result);
diff --git a/lib/Cake/Test/Case/Utility/DebuggerTest.php b/lib/Cake/Test/Case/Utility/DebuggerTest.php
index 155cd1c2da7..bb1416f7884 100644
--- a/lib/Cake/Test/Case/Utility/DebuggerTest.php
+++ b/lib/Cake/Test/Case/Utility/DebuggerTest.php
@@ -391,6 +391,13 @@ public function testExportVar() {
 		[maximum depth reached]
 	)
 )
+TEXT;
+		$this->assertTextEquals($expected, $result);
+
+		$data = false;
+		$result = Debugger::exportVar($data);
+		$expected = <<<TEXT
+false
 TEXT;
 		$this->assertTextEquals($expected, $result);
 	}
diff --git a/lib/Cake/basics.php b/lib/Cake/basics.php
index 434629562fe..acbb4469636 100644
--- a/lib/Cake/basics.php
+++ b/lib/Cake/basics.php
@@ -75,7 +75,7 @@ function config() {
  * @link http://book.cakephp.org/2.0/en/development/debugging.html#basic-debugging
  * @link http://book.cakephp.org/2.0/en/core-libraries/global-constants-and-functions.html#debug
  */
-	function debug($var = false, $showHtml = null, $showFrom = true) {
+	function debug($var = null, $showHtml = null, $showFrom = true) {
 		if (Configure::read('debug') > 0) {
 			App::uses('Debugger', 'Utility');
 			$file = '';