Update tests to verify long lines inside HTML comments trigger MD013/line-length (closes #703).

test/long_lines.md

@@ -59,3 +59,16 @@ _**[This long line is comprised of an emphasized and bolded link {MD049}](https:
 **![Reference style for long line image which is itself an example of a long line with content][image]**
 
 [image]: https://example.com "Title text for long line image example using reference style for image details"
+
+<!--
+Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}
+-->
+
+<!--
+Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}
+Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}
+-->
+
+<!-- Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013} -->
+
+Long lines inside HTML comments should also <!-- produce a violation of the line-length rule. {MD013} -->

test/snapshots/markdownlint-test-scenarios.js.md

@@ -29352,6 +29352,86 @@ Generated by [AVA](https://avajs.dev).
             'line-length',
           ],
         },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 80; Actual: 96',
+          errorRange: [
+            81,
+            16,
+          ],
+          fixInfo: null,
+          lineNumber: 64,
+          ruleDescription: 'Line length',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md013.md',
+          ruleNames: [
+            'MD013',
+            'line-length',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 80; Actual: 96',
+          errorRange: [
+            81,
+            16,
+          ],
+          fixInfo: null,
+          lineNumber: 68,
+          ruleDescription: 'Line length',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md013.md',
+          ruleNames: [
+            'MD013',
+            'line-length',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 80; Actual: 96',
+          errorRange: [
+            81,
+            16,
+          ],
+          fixInfo: null,
+          lineNumber: 69,
+          ruleDescription: 'Line length',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md013.md',
+          ruleNames: [
+            'MD013',
+            'line-length',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 80; Actual: 105',
+          errorRange: [
+            81,
+            25,
+          ],
+          fixInfo: null,
+          lineNumber: 72,
+          ruleDescription: 'Line length',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md013.md',
+          ruleNames: [
+            'MD013',
+            'line-length',
+          ],
+        },
+        {
+          errorContext: null,
+          errorDetail: 'Expected: 80; Actual: 105',
+          errorRange: [
+            81,
+            25,
+          ],
+          fixInfo: null,
+          lineNumber: 74,
+          ruleDescription: 'Line length',
+          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md013.md',
+          ruleNames: [
+            'MD013',
+            'line-length',
+          ],
+        },
         {
           errorContext: null,
           errorDetail: 'Expected: indented; Actual: fenced',
@@ -29495,6 +29575,19 @@ Generated by [AVA](https://avajs.dev).
       **![Reference style for long line image which is itself an example of a long line with content][image]**␊
       ␊
       [image]: https://example.com "Title text for long line image example using reference style for image details"␊
+      ␊
+      <!--␊
+      Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}␊
+      -->␊
+      ␊
+      <!--␊
+      Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}␊
+      Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013}␊
+      -->␊
+      ␊
+      <!-- Long lines inside HTML comments should also produce a violation of the line-length rule. {MD013} -->␊
+      ␊
+      Long lines inside HTML comments should also <!-- produce a violation of the line-length rule. {MD013} -->␊
       `,
     }