testing: add tests for explicit licensePattern option

Author: brettz9

README.md

@@ -3249,6 +3249,17 @@ function quux (foo) {
 }
 // Message: Invalid JSDoc @license: "(MIT OR GPL-2.5)"; expected SPDX expression: https://spdx.org/licenses/.
 
+/**
+ * @license MIT
+ * Some extra text
+ */
+function quux (foo) {
+
+}
+// Options: [{"licensePattern":"[\\s\\S]*"}]
+// Message: Invalid JSDoc @license: "MIT
+Some extra text"; expected SPDX expression: https://spdx.org/licenses/.
+
 /**
  * @author
  */
@@ -3322,6 +3333,15 @@ function quux (foo) {
 }
 // Options: [{"allowedLicenses":true}]
 
+/**
+ * @license MIT
+ * Some extra text
+ */
+function quux (foo) {
+
+}
+// Options: [{"licensePattern":"[^\n]*"}]
+
 /**
  * @author Gajus Kuizinas
  */

test/rules/assertions/checkValues.js

@@ -148,6 +148,27 @@ export default {
         },
       ],
     },
+    {
+      code: `
+      /**
+       * @license MIT
+       * Some extra text
+       */
+      function quux (foo) {
+
+      }
+      `,
+      errors: [
+        {
+          message: 'Invalid JSDoc @license: "MIT\nSome extra text"; expected SPDX expression: https://spdx.org/licenses/.',
+        },
+      ],
+      options: [
+        {
+          licensePattern: '[\\s\\S]*',
+        },
+      ],
+    },
     {
       code: `
       /**
@@ -268,6 +289,22 @@ export default {
         },
       ],
     },
+    {
+      code: `
+      /**
+       * @license MIT
+       * Some extra text
+       */
+      function quux (foo) {
+
+      }
+      `,
+      options: [
+        {
+          licensePattern: '[^\n]*',
+        },
+      ],
+    },
     {
       code: `
       /**