Removed non-standard (and not that useful) xhr emulation methods & reworked the headers test as a consequence.

src/xhr.js

@@ -147,8 +147,8 @@ jQuery.xhr = function( _native ) {
 				accepts[ "*" ];
 				
 			// Check for headers option
-			if ( headers ) {
-				xhr.setRequestHeaders( headers );
+			for ( i in headers ) {
+				requestHeaders[ i.toLowerCase() ] = headers[ i ];
 			}			
 		}
 			
@@ -554,21 +554,6 @@ jQuery.xhr = function( _native ) {
 				return xhr;
 			},
 			
-			// Ditto with an s
-			setRequestHeaders: function(map) {
-				checkState(1, !sendFlag);
-				for ( var name in map ) {
-					requestHeaders[ name.toLowerCase() ] = map[name];
-				}
-				return xhr;
-			},
-			
-			// Utility method to get headers set
-			getRequestHeader: function(name) {
-				checkState(1, !sendFlag);
-				return requestHeaders[ name.toLowerCase() ];
-			},
-			
 			// Raw string
 			getAllResponseHeaders: function() {
 				return xhr.readyState <= 1 ? "" : responseHeadersString;

test/data/headers.request.php

@@ -0,0 +1,21 @@
+<?php
+
+if (!function_exists('apache_request_headers')) { 
+	function apache_request_headers() { 
+		foreach($_SERVER as $key=>$value) { 
+			if (substr($key,0,5)=="HTTP_") { 
+				$key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5))))); 
+				$out[$key]=$value; 
+			}else{ 
+				$out[$key]=$value; 
+			} 
+		} 
+		return $out; 
+	} 
+} 
+
+$headers = apache_request_headers();
+
+foreach( explode( "_" , $_GET[ "keys" ] ) as $key ) {
+	echo "$key: $headers[$key]\n";
+}

test/unit/ajax.js

@@ -281,10 +281,39 @@ test("jQuery.ajax() - error callbacks", function() {
 test(".ajax() - headers" , function() {
 
 	// No multiple line headers in IE
-	expect( jQuery.browser.msie ? 2 : 4 );
+	expect( jQuery.browser.msie ? 3 : 5 );
 	
 	stop();
 	
+	var requestHeaders = {
+		Simple: "value",
+		"Something-Else": "other value",
+		Other: "something else"
+		},
+		list = [],
+		i,
+		sync = 2;
+		
+	for( i in requestHeaders ) {
+		list.push( i.toLowerCase() );
+	}
+	
+	list = list.join( "_" );
+	
+	jQuery.ajax(url("data/headers.request.php?keys="+list), {
+		headers: requestHeaders,
+		success: function( data ) {
+			var tmp = [];
+			for ( i in requestHeaders ) {
+				tmp.push( i.toLowerCase() , ": " , requestHeaders[ i ] , "\n" );
+			}
+			tmp = tmp.join( "" );
+			
+			equals( data , tmp , "Headers were sent" );
+			if ( ! --sync ) start();
+		}
+	});
+	
 	jQuery.ajax({
 		url: url("data/headers.php"),
 		success: function( _1 , _2 , xhr ){
@@ -297,11 +326,11 @@ test(".ajax() - headers" , function() {
 				ok( /^Hello\s+World$/.test( xhr.getResponseHeader( "Multiple-Line" ) ) , "Multiple line" );
 				ok( /^Hello\s+Beautiful\s+World$/.test( xhr.getResponseHeader( "Multiple-Multiple-Line" ) ) , "Multiple multiple line" );
 			}
-			start();
+			if ( ! --sync ) start();
 		},
 		error: function(){ ok(false, "error"); }
 	});
-	
+		
 });
 
 test(".ajax() - hash", function() {
@@ -1813,23 +1842,6 @@ test("jQuery.ajax - Etag support", function() {
 	});
 });
 
-test("jQuery ajax - headers", function() {
-
-	stop();
-	
-	jQuery.ajax(url("data/css.php?wait=1&id=headers"), {
-		headers: {
-			testKey: "testValue"
-		},
-		beforeSend: function( xhr ) {
-			equals( xhr.getRequestHeader("testKey") , "testValue" , "Headers properly set" );
-			setTimeout( start , 13 );
-			return false;
-		}
-	});
-	
-});
-
 test("jQuery ajax - failing cross-domain", function() {
 
 	expect( 2 );