Misc: Drop support for older browsers; update support comments

That includes Opera 12.x, Firefox<29, Safari<6.0 and some hacks
for old Blackberry.

Closes gh-1820
Refs gh-1815

6 files changed, 28 insertions, 77 deletions

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index d61d6b40d..6f3bacebe 100644
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -1019,9 +1019,6 @@ module( "ajax", {
 			" (no cache)": false
 		},
 		function( label, cache ) {
-			// Support: Opera 12.0
-			// In Opera 12.0, XHR doesn't notify 304 back to the user properly
-			var opera = window.opera && window.opera.version();
 			jQuery.each(
 				{
 					"If-Modified-Since": "if_modified_since.php",
@@ -1041,15 +1038,9 @@ module( "ajax", {
 									ifModified: true,
 									cache: cache,
 									success: function( data, status, jqXHR ) {
-										if ( status === "success" && opera === "12.00" ) {
-											strictEqual( status, "success", "Opera 12.0: Following status is 'success'" );
-											strictEqual( jqXHR.status, 200, "Opera 12.0: XHR status is 200, not 304" );
-											strictEqual( data, "", "Opera 12.0: response body is empty" );
-										} else {
-											strictEqual( status, "notmodified", "Following status is 'notmodified'" );
-											strictEqual( jqXHR.status, 304, "XHR status is 304" );
-											equal( data, null, "no response body is given" );
-										}
+										strictEqual( status, "notmodified", "Following status is 'notmodified'" );
+										strictEqual( jqXHR.status, 304, "XHR status is 304" );
+										equal( data, null, "no response body is given" );
 									},
 									complete: function() {
 										start();
diff --git a/test/unit/css.js b/test/unit/css.js
index 8337f7df7..97eb1e9a6 100644
--- a/test/unit/css.js
+++ b/test/unit/css.js
@@ -228,8 +228,6 @@ test("css(String, Object)", function() {
 	j = jQuery("#nonnodes").contents();
 	j.css("overflow", "visible");
 	equal( j.css("overflow"), "visible", "Check node,textnode,comment css works" );
-	// opera sometimes doesn't update 'display' correctly, see #2037
-	jQuery("#t2037")[0].innerHTML = jQuery("#t2037")[0].innerHTML;
 	equal( jQuery("#t2037 .hidden").css("display"), "none", "Make sure browser thinks it is hidden" );
 
 	div = jQuery("#nothiddendiv");
@@ -790,8 +788,8 @@ test("Do not append px (#9548, #12990)", function() {
 test("css('width') and css('height') should respect box-sizing, see #11004", function() {
 	expect( 4 );
 
-	// Support: Firefox<29, Android 2.3 (Prefixed box-sizing versions).
-	var el_dis = jQuery("<div style='width:300px;height:300px;margin:2px;padding:2px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;'>test</div>"),
+	// Support: Android 2.3 (-webkit-box-sizing).
+	var el_dis = jQuery("<div style='width:300px;height:300px;margin:2px;padding:2px;-webkit-box-sizing:border-box;box-sizing:border-box;'>test</div>"),
 		el = el_dis.clone().appendTo("#qunit-fixture");
 
 	equal( el.css("width"), el.css("width", el.css("width")).css("width"), "css('width') is not respecting box-sizing, see #11004");
diff --git a/test/unit/dimensions.js b/test/unit/dimensions.js
index ce132fd32..8d51c6cde 100644
--- a/test/unit/dimensions.js
+++ b/test/unit/dimensions.js
@@ -418,8 +418,8 @@ test( "getters on non elements should return null", function() {
 test("setters with and without box-sizing:border-box", function(){
 	expect(20);
 
-	// Support: Firefox<29, Android 2.3 (Prefixed box-sizing versions).
-	var el_bb = jQuery("<div style='width:114px;height:114px;margin:5px;padding:3px;border:4px solid white;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;'>test</div>").appendTo("#qunit-fixture"),
+	// Support: Android 2.3 (-webkit-box-sizing).
+	var el_bb = jQuery("<div style='width:114px;height:114px;margin:5px;padding:3px;border:4px solid white;-webkit-box-sizing:border-box;box-sizing:border-box;'>test</div>").appendTo("#qunit-fixture"),
 		el = jQuery("<div style='width:100px;height:100px;margin:5px;padding:3px;border:4px solid white;'>test</div>").appendTo("#qunit-fixture"),
 		expected = 100;
 
diff --git a/test/unit/event.js b/test/unit/event.js
index fe0f0c2da..1f08b4e95 100644
--- a/test/unit/event.js
+++ b/test/unit/event.js
@@ -1417,7 +1417,7 @@ test("Submit event can be stopped (#11049)", function() {
 	form.remove();
 });
 
-// Test beforeunload event only if it supported (i.e. not Opera)
+// Test beforeunload event only if it supported.
 // Support: iOS 7+, Android<4.0
 // iOS & old Android have the window.onbeforeunload field but don't support the beforeunload
 // handler making it impossible to feature-detect the support.
@@ -2431,32 +2431,26 @@ testIframeWithCallback( "focusin from an iframe", "event/focusinCrossFrame.html"
 
 	var input = jQuery( frameDoc ).find( "#frame-input" );
 
-	if ( input.length ) {
-		// Create a focusin handler on the parent; shouldn't affect the iframe's fate
-		jQuery ( "body" ).on( "focusin.iframeTest", function() {
-			ok( false, "fired a focusin event in the parent document" );
-		});
-
-		input.on( "focusin", function() {
-			ok( true, "fired a focusin event in the iframe" );
-		});
+	// Create a focusin handler on the parent; shouldn't affect the iframe's fate
+	jQuery ( "body" ).on( "focusin.iframeTest", function() {
+		ok( false, "fired a focusin event in the parent document" );
+	});
 
-		// Avoid a native event; Chrome can't force focus to another frame
-		input.trigger( "focusin" );
+	input.on( "focusin", function() {
+		ok( true, "fired a focusin event in the iframe" );
+	});
 
-		// Must manually remove handler to avoid leaks in our data store
-		input.remove();
+	// Avoid a native event; Chrome can't force focus to another frame
+	input.trigger( "focusin" );
 
-		// Be sure it was removed; nothing should happen
-		input.trigger( "focusin" );
+	// Must manually remove handler to avoid leaks in our data store
+	input.remove();
 
-		// Remove body handler manually since it's outside the fixture
-		jQuery( "body" ).off( "focusin.iframeTest" );
+	// Be sure it was removed; nothing should happen
+	input.trigger( "focusin" );
 
-	} else {
-		// Opera 12 (pre-Blink) doesn't select anything
-		ok( true, "SOFTFAIL: no focus event fired in the iframe" );
-	}
+	// Remove body handler manually since it's outside the fixture
+	jQuery( "body" ).off( "focusin.iframeTest" );
 });
 
 testIframeWithCallback( "jQuery.ready promise", "event/promiseReady.html", function( isOk ) {
diff --git a/test/unit/serialize.js b/test/unit/serialize.js
index 39e7d777e..54c75d62a 100644
--- a/test/unit/serialize.js
+++ b/test/unit/serialize.js
@@ -110,7 +110,7 @@ test("jQuery.param() Constructed prop values", function() {
 });
 
 test("serialize()", function() {
-	expect(5);
+	expect(6);
 
 	// Add html5 elements only for serialize because selector can't yet find them on non-html5 browsers
 	jQuery("#search").after(
@@ -139,10 +139,8 @@ test("serialize()", function() {
 		"action=Test&radio2=on&check=on&hidden=&foo%5Bbar%5D=&name=name&search=search&email=dave%40jquery.com&number=43&select1=&select2=3&select3=1&select3=2&select5=3&T3=%3F%0D%0AZ&H1=x&H2=&PWD=&T1=&T2=YES&My+Name=me&S1=abc&S3=YES&S4=",
 		"Multiple form serialization as query string");
 
-	/* Temporarily disabled. Opera 10 has problems with form serialization.
 	equal( jQuery("#form, #testForm :input").serialize(),
-		"action=Test&radio2=on&check=on&hidden=&foo%5Bbar%5D=&name=name&search=search&email=dave%40jquery.com&number=43&select1=&select2=3&select3=1&select3=2&T3=%3F%0D%0AZ&H1=x&H2=&PWD=&T1=&T2=YES&My+Name=me&S1=abc&S3=YES&S4=",
+		"action=Test&radio2=on&check=on&hidden=&foo%5Bbar%5D=&name=name&search=search&email=dave%40jquery.com&number=43&select1=&select2=3&select3=1&select3=2&select5=3&T3=%3F%0D%0AZ&H1=x&H2=&PWD=&T1=&T2=YES&My+Name=me&S1=abc&S3=YES&S4=",
 		"Mixed form/input serialization as query string");
-	*/
 	jQuery("#html5email, #html5number").remove();
 });
diff --git a/test/unit/support.js b/test/unit/support.js
index 97650bdff..80ce287d8 100644
--- a/test/unit/support.js
+++ b/test/unit/support.js
@@ -52,6 +52,8 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 		userAgent = window.navigator.userAgent;
 
 	if ( /chrome/i.test( userAgent ) ) {
+		// Catches Chrome on Android as well (i.e. the default
+		// Android browser on Android >= 4.4).
 		expected = {
 			"ajax": true,
 			"boxSizingReliable": true,
@@ -67,22 +69,6 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"radioValue": true,
 			"reliableMarginRight": true
 		};
-	} else if ( /opera.*version\/12\.1/i.test( userAgent ) ) {
-		expected = {
-			"ajax": true,
-			"boxSizingReliable": true,
-			"checkClone": true,
-			"checkOn": true,
-			"clearCloneStyle": true,
-			"cors": true,
-			"focusinBubbles": false,
-			"noCloneChecked": true,
-			"optDisabled": true,
-			"optSelected": true,
-			"pixelPosition": true,
-			"radioValue": false,
-			"reliableMarginRight": true
-		};
 	} else if ( /trident\/7\.0/i.test( userAgent ) ) {
 		expected = {
 			"ajax": true,
@@ -163,22 +149,6 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"radioValue": true,
 			"reliableMarginRight": true
 		};
-	} else if ( /5\.1(\.\d+|) safari/i.test( userAgent ) ) {
-		expected = {
-			"ajax": true,
-			"boxSizingReliable": true,
-			"checkClone": false,
-			"checkOn": false,
-			"clearCloneStyle": true,
-			"cors": true,
-			"focusinBubbles": false,
-			"noCloneChecked": true,
-			"optDisabled": true,
-			"optSelected": true,
-			"pixelPosition": false,
-			"radioValue": true,
-			"reliableMarginRight": true
-		};
 	} else if ( /firefox/i.test( userAgent ) ) {
 		expected = {
 			"ajax": true,
@@ -195,7 +165,7 @@ testIframeWithCallback( "Check CSP (https://developer.mozilla.org/en-US/docs/Sec
 			"radioValue": true,
 			"reliableMarginRight": true
 		};
-	} else if ( /iphone os (?:6|7)_/i.test( userAgent ) ) {
+	} else if ( /iphone os/i.test( userAgent ) ) {
 		expected = {
 			"ajax": true,
 			"boxSizingReliable": true,