Build: Test on jQuery 4.0.0-rc.1

When a stable 4.0.0 gets released, we'll remove the RC in favor of it.

Closes gh-2363

Gruntfile.js

@@ -316,13 +316,20 @@ grunt.initConfig( {
 				"jquery-3.7.1/jquery.js": "jquery-3.7.1/dist/jquery.js",
 				"jquery-3.7.1/LICENSE.txt": "jquery-3.7.1/LICENSE.txt",
 
+				"jquery-4.0.0-rc.1/jquery.js": "jquery-4.0.0-rc.1/dist/jquery.js",
+				"jquery-4.0.0-rc.1/LICENSE.txt": "jquery-4.0.0-rc.1/LICENSE.txt",
+
 				"jquery-migrate-1.x/jquery-migrate.js":
 					"jquery-migrate-1.x/dist/jquery-migrate.js",
 				"jquery-migrate-1.x/LICENSE.txt": "jquery-migrate-1.x/LICENSE.txt",
 
 				"jquery-migrate-3.x/jquery-migrate.js":
 					"jquery-migrate-3.x/dist/jquery-migrate.js",
-				"jquery-migrate-3.x/LICENSE.txt": "jquery-migrate-3.x/LICENSE.txt"
+				"jquery-migrate-3.x/LICENSE.txt": "jquery-migrate-3.x/LICENSE.txt",
+
+				"jquery-migrate-4.x/jquery-migrate.js":
+					"jquery-migrate-4.x/dist/jquery-migrate.js",
+				"jquery-migrate-4.x/LICENSE.txt": "jquery-migrate-4.x/LICENSE.txt"
 			}
 		}
 	},

bower.json

@@ -38,7 +38,9 @@
 		"jquery-3.6.4": "jquery#3.6.4",
 		"jquery-3.7.0": "jquery#3.7.0",
 		"jquery-3.7.1": "jquery#3.7.1",
+		"jquery-4.0.0-rc.1": "jquery#4.0.0-rc.1",
 		"jquery-migrate-1.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-1.4.1.tgz",
-		"jquery-migrate-3.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-3.5.2.tgz"
+		"jquery-migrate-3.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-3.5.2.tgz",
+		"jquery-migrate-4.x": "https://registry.npmjs.org/jquery-migrate/-/jquery-migrate-4.0.0-beta.1.tgz"
 	}
 }

external/jquery-4.0.0-rc.1/LICENSE.txt

@@ -0,0 +1,20 @@
+Copyright OpenJS Foundation and other contributors, https://openjsf.org/
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

external/jquery-migrate-4.x/LICENSE.txt

@@ -0,0 +1,36 @@
+Copyright OpenJS Foundation and other contributors, https://openjsf.org/
+
+This software consists of voluntary contributions made by many
+individuals. For exact contribution history, see the revision history
+available at https://github.com/jquery/jquery-migrate
+
+The following license applies to all parts of this software except as
+documented below:
+
+====
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+====
+
+All files located in the node_modules and external directories are
+externally maintained libraries used by this software which have their
+own licenses; we recommend you read them, as their terms may differ from
+the terms above.

jtr-stable.yml

@@ -31,6 +31,7 @@ test-urls:
 
 runs:
   jquery:
+    - 4.0.0-rc.1
     - 3.7.1
     - 3.6.4
     - 2.2.4

tests/lib/bootstrap.js

@@ -111,6 +111,8 @@ function migrateUrl() {
 
 	if ( jqueryVersion === "git" ) {
 		url = "https://releases.jquery.com/git/jquery-migrate-git";
+	} else if ( jqueryVersion[ 0 ] === "4" ) {
+		url = "../../../external/jquery-migrate-4.x/jquery-migrate";
 	} else if ( jqueryVersion[ 0 ] === "3" ) {
 		url = "../../../external/jquery-migrate-3.x/jquery-migrate";
 	} else if ( jqueryVersion[ 0 ] === "1" || jqueryVersion[ 0 ] === "2" ) {

tests/lib/qunit.js

@@ -26,6 +26,7 @@ QUnit.config.urlConfig.push( {
 		"3.5.0", "3.5.1",
 		"3.6.0", "3.6.1", "3.6.2", "3.6.3", "3.6.4",
 		"3.7.0", "3.7.1",
+		"4.0.0-rc.1",
 		"3.x-git", "git", "custom"
 	],
 	tooltip: "Which jQuery Core version to test against"

tests/unit/subsuite.js

@@ -12,6 +12,7 @@ var versions = [
 		"3.5.0", "3.5.1",
 		"3.6.0", "3.6.1", "3.6.2", "3.6.3", "3.6.4",
 		"3.7.0", "3.7.1",
+		"4.0.0-rc.1",
 		"3.x-git", "git", "custom"
 	],
 	additionalTests = {