Tests: ensure support tests are failed by at least one tested browser

A whitelist is available so that some tests can be allowed to always succeed.
This is used only for ajax for now as it can be manually disabled in IE but
is enabled by default.

Closes gh-4052

diff --git a/test/unit/support.js b/test/unit/support.js
index a42a129f115897e8a61e19932cdd6628c53ac6e9..19906797572625ea70b3758090dc4cce054fc4ac 100644 (file)
--- a/test/unit/support.js
+++ b/test/unit/support.js
@@ -56,227 +56,241 @@ testIframe(
 
 ( function() {
        var expected,
-               userAgent = window.navigator.userAgent;
+               userAgent = window.navigator.userAgent,
+               expectedMap = {
+                       edge: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       ie_10_11: {
+                               "ajax": true,
+                               "boxSizingReliable": false,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": false,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": true,
+                               "noCloneChecked": false,
+                               "optSelected": false,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": false,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       ie_9: {
+                               "ajax": true,
+                               "boxSizingReliable": false,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": false,
+                               "cors": false,
+                               "createHTMLDocument": true,
+                               "focusin": true,
+                               "noCloneChecked": false,
+                               "optSelected": false,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": false,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": "absolute"
+                       },
+                       chrome: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       safari_11: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       safari_9_10: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": false,
+                               "pixelPosition": false,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       firefox: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": true,
+                               "reliableMarginLeft": false,
+                               "scrollboxSize": true
+                       },
+                       ios_11: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": true,
+                               "pixelPosition": true,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       ios_9_10: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": false,
+                               "pixelPosition": false,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       ios_8: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": false,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": false,
+                               "pixelPosition": false,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       ios_7: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": true,
+                               "checkOn": true,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": false,
+                               "pixelPosition": false,
+                               "radioValue": true,
+                               "reliableMarginLeft": true,
+                               "scrollboxSize": true
+                       },
+                       android: {
+                               "ajax": true,
+                               "boxSizingReliable": true,
+                               "checkClone": false,
+                               "checkOn": false,
+                               "clearCloneStyle": true,
+                               "cors": true,
+                               "createHTMLDocument": true,
+                               "focusin": false,
+                               "noCloneChecked": true,
+                               "optSelected": true,
+                               "pixelBoxStyles": false,
+                               "pixelPosition": false,
+                               "radioValue": true,
+                               "reliableMarginLeft": false,
+                               "scrollboxSize": true
+                       }
+               };
 
        if ( /edge\//i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.edge;
        } else if ( /(msie 10\.0|trident\/7\.0)/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": false,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": false,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": true,
-                       "noCloneChecked": false,
-                       "optSelected": false,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": false,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.ie_10_11;
        } else if ( /msie 9\.0/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": false,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": false,
-                       "cors": false,
-                       "createHTMLDocument": true,
-                       "focusin": true,
-                       "noCloneChecked": false,
-                       "optSelected": false,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": false,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": "absolute"
-               };
+               expected = expectedMap.ie_9;
        } else 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,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.chrome;
        } else if ( /\b11\.\d(\.\d+)* safari/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.safari_11;
        } else if ( /\b(?:9|10)\.\d(\.\d+)* safari/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": false,
-                       "pixelPosition": false,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.safari_9_10;
        } else if ( /firefox/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": true,
-                       "reliableMarginLeft": false,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.firefox;
        } else if ( /iphone os 11_/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": true,
-                       "pixelPosition": true,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.ios_11;
        } else if ( /iphone os (?:9|10)_/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": false,
-                       "pixelPosition": false,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.ios_9_10;
        } else if ( /iphone os 8_/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": false,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": false,
-                       "pixelPosition": false,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.ios_8;
        } else if ( /iphone os 7_/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": true,
-                       "checkOn": true,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": false,
-                       "pixelPosition": false,
-                       "radioValue": true,
-                       "reliableMarginLeft": true,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.ios_7;
        } else if ( /android 4\.[0-3]/i.test( userAgent ) ) {
-               expected = {
-                       "ajax": true,
-                       "boxSizingReliable": true,
-                       "checkClone": false,
-                       "checkOn": false,
-                       "clearCloneStyle": true,
-                       "cors": true,
-                       "createHTMLDocument": true,
-                       "focusin": false,
-                       "noCloneChecked": true,
-                       "optSelected": true,
-                       "pixelBoxStyles": false,
-                       "pixelPosition": false,
-                       "radioValue": true,
-                       "reliableMarginLeft": false,
-                       "scrollboxSize": true
-               };
+               expected = expectedMap.android;
        }
 
        QUnit.test( "Verify that support tests resolve as expected per browser", function( assert ) {
@@ -305,4 +319,38 @@ testIframe(
                }
        } );
 
+       QUnit.test( "Verify most support tests are failing in one " +
+               "of tested browsers", function( assert ) {
+
+               var prop, browserKey, supportTestName,
+                       i = 0,
+                       supportProps = {},
+                       failingSupportProps = {},
+                       whitelist = {
+                               ajax: true
+                       };
+
+               for ( prop in computedSupport ) {
+                       i++;
+               }
+
+               assert.expect( i );
+
+               // Record all support props and the failing ones and ensure everyone
+               // except a few on a whitelist are failing at least once.
+               for ( browserKey in expectedMap ) {
+                       for ( supportTestName in expectedMap[ browserKey ] ) {
+                               supportProps[ supportTestName ] = true;
+                               if ( expectedMap[ browserKey ][ supportTestName ] !== true ) {
+                                       failingSupportProps[ supportTestName ] = true;
+                               }
+                       }
+               }
+
+               for ( supportTestName in supportProps ) {
+                       assert.ok( whitelist[ supportTestName ] || failingSupportProps[ supportTestName ],
+                               "jQuery.support['" + supportTestName + "'] always succeeds; remove it?" );
+               }
+       } );
+
 } )();