Add regression tests for Markdown (#19335)

tests/format/markdown/emphasis/__snapshots__/format.test.js.snap

@@ -32,6 +32,103 @@ _bug_?
 ================================================================================
 `;
 
+exports[`issue-3837.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+5 * 10
+a * b * c
+
+=====================================output=====================================
+5 * 10 a * b * c
+
+================================================================================
+`;
+
+exports[`issue-6112.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+*[Italic link](../_link_including_underscores_.md)*
+
+---
+
+_[Italic link](../_link_including_underscores_.md)_
+
+=====================================output=====================================
+_[Italic link](../_link_including_underscores_.md)_
+
+---
+
+_[Italic link](../_link_including_underscores_.md)_
+
+================================================================================
+`;
+
+exports[`issue-15032.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+1: The **exponentiation (\`**\`)** operator.
+
+2: The *exponentiation (\`*\`)* operator.
+
+3: The _exponentiation (\`_\`)_ operator.
+
+4: The __exponentiation (\`__\`)__ operator.
+
+=====================================output=====================================
+1: The **exponentiation (\`**\`)** operator.
+
+2: The _exponentiation (\`*\`)_ operator.
+
+3: The _exponentiation (\`_\`)_ operator.
+
+4: The **exponentiation (\`__\`)** operator.
+
+================================================================================
+`;
+
+exports[`issue-16160.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+- style\\_name = *dplr*
+- style\\_name = _dplr_
+- style_name = _dplr_
+
+=====================================output=====================================
+- style\\_name = _dplr_
+- style\\_name = _dplr_
+- style_name = _dplr_
+
+================================================================================
+`;
+
+exports[`issue-17286.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+Note: With {"NO\\_PROPAGATE"}, the client is expected to honour the {"errors"} in
+the _response_ and prevent developers from reading a \`null\` produced by an
+
+=====================================output=====================================
+Note: With {"NO\\_PROPAGATE"}, the client is expected to honour the {"errors"} in
+the _response_ and prevent developers from reading a \`null\` produced by an
+
+================================================================================
+`;
+
 exports[`nbsp.md - {"proseWrap":"always"} format 1`] = `
 ====================================options=====================================
 parsers: ["markdown"]

tests/format/markdown/emphasis/issue-15032.md

@@ -0,0 +1,7 @@
+1: The **exponentiation (`**`)** operator.
+
+2: The *exponentiation (`*`)* operator.
+
+3: The _exponentiation (`_`)_ operator.
+
+4: The __exponentiation (`__`)__ operator.

tests/format/markdown/emphasis/issue-16160.md

@@ -0,0 +1,3 @@
+- style\_name = *dplr*
+- style\_name = _dplr_
+- style_name = _dplr_

tests/format/markdown/emphasis/issue-17286.md

@@ -0,0 +1,2 @@
+Note: With {"NO\_PROPAGATE"}, the client is expected to honour the {"errors"} in
+the _response_ and prevent developers from reading a `null` produced by an

tests/format/markdown/emphasis/issue-3837.md

@@ -0,0 +1,2 @@
+5 * 10
+a * b * c

tests/format/markdown/emphasis/issue-6112.md

@@ -0,0 +1,5 @@
+*[Italic link](../_link_including_underscores_.md)*
+
+---
+
+_[Italic link](../_link_including_underscores_.md)_

tests/format/markdown/fenced-code-block/__snapshots__/format.test.js.snap

@@ -1,5 +1,46 @@
 // Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
+exports[`issue-17300.md format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+> [NOTE]
+> [Link](https://example.com) after link reference.
+>
+> [IMPORTANT]
+> **Strong emphasis** after link reference.
+
+> [CRITICAL]
+> _emphasis_ oafter link reference
+
+> **Strong emphasis**
+> _emphasis_
+
+[NOTE]: /note
+[IMPORTANT]: /important
+[CRITICAL]: /critical
+
+=====================================output=====================================
+> [NOTE]
+> [Link](https://example.com) after link reference.
+>
+> [IMPORTANT]
+> **Strong emphasis** after link reference.
+
+> [CRITICAL]
+> _emphasis_ oafter link reference
+
+> **Strong emphasis**
+> _emphasis_
+
+[NOTE]: /note
+[IMPORTANT]: /important
+[CRITICAL]: /critical
+
+================================================================================
+`;
+
 exports[`snippet: #0 format 1`] = `
 ====================================options=====================================
 parsers: ["markdown"]

tests/format/markdown/fenced-code-block/issue-17300.md

@@ -0,0 +1,15 @@
+> [NOTE]
+> [Link](https://example.com) after link reference.
+>
+> [IMPORTANT]
+> **Strong emphasis** after link reference.
+
+> [CRITICAL]
+> _emphasis_ oafter link reference
+
+> **Strong emphasis**
+> _emphasis_
+
+[NOTE]: /note
+[IMPORTANT]: /important
+[CRITICAL]: /critical

tests/format/markdown/link/parser-regression/__snapshots__/format.test.js.snap

@@ -1,19 +1,15 @@
 // Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
 
-exports[`issue-19146.md - {"proseWrap":"always"} format 1`] = `
+exports[`issue-6078.md - {"proseWrap":"always"} format 1`] = `
 ====================================options=====================================
 parsers: ["markdown"]
 proseWrap: "always"
                                                       printWidth: 80 (default) |
 =====================================input======================================
- - foo
-   - bar
-	 - baz
+[](http://example.com/path?a=1&b=2&c=3)
 
 =====================================output=====================================
-- foo
-  - bar
-    - baz
+[](http://example.com/path?a=1&b=2&c=3)
 
 ================================================================================
 `;

tests/format/markdown/link/parser-regression/issue-6078.md

@@ -0,0 +1 @@
+[](http://example.com/path?a=1&b=2&c=3)

tests/format/markdown/list/parser-regression/__snapshots__/format.test.js.snap

@@ -0,0 +1,190 @@
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`issue-7474.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+1. - XXX
+     - XXX
+2. XXX
+
+=====================================output=====================================
+1. - XXX
+     - XXX
+2. XXX
+
+================================================================================
+`;
+
+exports[`issue-10063.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+# Example 1 (compact list with code block)
+
+- Sibling item before
+- A bullet point with bare text (not in a \`<p>\`), followed by a code block that includes an empty line
+  \`\`\`javascript
+  const foo = "bar";
+
+  console.log(foo);
+  \`\`\`
+- Sibling item after
+
+# Example 2 (compact nested list with code block)
+
+- Parent bullet point which is not wrapped in \`<p>\`
+  - Sibling item before
+  - Item containing a code block that includes an empty line
+    \`\`\`javascript
+    const foo = "bar";
+
+    console.log(foo);
+    \`\`\`
+  - Sibling item after
+
+# Example 3 (like example 2, but doesn't trigger the bug)
+
+- It works as expected
+  - If the code block
+  - Does not have a line break
+    \`\`\`javascript
+    const foo = "bar";
+    console.log(foo);
+    \`\`\`
+  - It doesn't affect other items
+
+=====================================output=====================================
+# Example 1 (compact list with code block)
+
+- Sibling item before
+- A bullet point with bare text (not in a \`<p>\`), followed by a code block that
+  includes an empty line
+  \`\`\`javascript
+  const foo = "bar";
+
+  console.log(foo);
+  \`\`\`
+- Sibling item after
+
+# Example 2 (compact nested list with code block)
+
+- Parent bullet point which is not wrapped in \`<p>\`
+  - Sibling item before
+  - Item containing a code block that includes an empty line
+    \`\`\`javascript
+    const foo = "bar";
+
+    console.log(foo);
+    \`\`\`
+  - Sibling item after
+
+# Example 3 (like example 2, but doesn't trigger the bug)
+
+- It works as expected
+  - If the code block
+  - Does not have a line break
+    \`\`\`javascript
+    const foo = "bar";
+    console.log(foo);
+    \`\`\`
+  - It doesn't affect other items
+
+================================================================================
+`;
+
+exports[`issue-11202.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+\`\`\`markdown
+<!-- comment -->
+<!-- another comment -->
+-
+-
+-
+\`\`\`
+
+
+=====================================output=====================================
+\`\`\`markdown
+<!-- comment -->
+<!-- another comment -->
+
+-
+-
+-
+\`\`\`
+
+================================================================================
+`;
+
+exports[`issue-12677.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+5.1 **Section 1**
+
+- apple
+- banana
+- cherry
+
+5.2 **Section 2**
+
+Why is this section indented?
+
+=====================================output=====================================
+5.1 **Section 1**
+
+- apple
+- banana
+- cherry
+
+5.2 **Section 2**
+
+Why is this section indented?
+
+================================================================================
+`;
+
+exports[`issue-19146.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+ - foo
+   - bar
+	 - baz
+
+=====================================output=====================================
+- foo
+  - bar
+    - baz
+
+================================================================================
+`;
+
+exports[`issue-19152.md - {"proseWrap":"always"} format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+proseWrap: "always"
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+-    foo
+-		foo
+
+=====================================output=====================================
+- foo
+-       foo
+
+================================================================================
+`;

tests/format/markdown/list/parser-regression/format.test.js

@@ -0,0 +1 @@
+runFormatTest(import.meta, ["markdown"], { proseWrap: "always" });

tests/format/markdown/list/parser-regression/issue-10063.md

@@ -0,0 +1,33 @@
+# Example 1 (compact list with code block)
+
+- Sibling item before
+- A bullet point with bare text (not in a `<p>`), followed by a code block that includes an empty line
+  ```javascript
+  const foo = "bar";
+
+  console.log(foo);
+  ```
+- Sibling item after
+
+# Example 2 (compact nested list with code block)
+
+- Parent bullet point which is not wrapped in `<p>`
+  - Sibling item before
+  - Item containing a code block that includes an empty line
+    ```javascript
+    const foo = "bar";
+
+    console.log(foo);
+    ```
+  - Sibling item after
+
+# Example 3 (like example 2, but doesn't trigger the bug)
+
+- It works as expected
+  - If the code block
+  - Does not have a line break
+    ```javascript
+    const foo = "bar";
+    console.log(foo);
+    ```
+  - It doesn't affect other items

tests/format/markdown/list/parser-regression/issue-11202.md

@@ -0,0 +1,8 @@
+```markdown
+<!-- comment -->
+<!-- another comment -->
+-
+-
+-
+```
+

tests/format/markdown/list/parser-regression/issue-12677.md

@@ -0,0 +1,9 @@
+5.1 **Section 1**
+
+- apple
+- banana
+- cherry
+
+5.2 **Section 2**
+
+Why is this section indented?

tests/format/markdown/list/parser-regression/issue-19152.md

@@ -0,0 +1,2 @@
+-    foo
+-		foo

tests/format/markdown/list/parser-regression/issue-7474.md

@@ -0,0 +1,3 @@
+1. - XXX
+     - XXX
+2. XXX

tests/format/markdown/math/__snapshots__/format.test.js.snap

@@ -40,6 +40,32 @@ $$
 ================================================================================
 `;
 
+exports[`issue-12793.md format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+$ P\\Big(\\mathop{\\cup}\\limits^n_{i=1}A_i\\Big) = \\sum\\limits^n_{i=1}P(A_i) $
+
+=====================================output=====================================
+$ P\\Big(\\mathop{\\cup}\\limits^n_{i=1}A_i\\Big) = \\sum\\limits^n_{i=1}P(A_i) $
+
+================================================================================
+`;
+
+exports[`issue-16664.md format 1`] = `
+====================================options=====================================
+parsers: ["markdown"]
+                                                      printWidth: 80 (default) |
+=====================================input======================================
+$$ \\textrm{p-value} = 1 - \\sum_{x \\leq a} H(x | N, r_1, m_1) $$
+
+=====================================output=====================================
+$$ \\textrm{p-value} = 1 - \\sum_{x \\leq a} H(x | N, r_1, m_1) $$
+
+================================================================================
+`;
+
 exports[`math-like.md format 1`] = `
 ====================================options=====================================
 parsers: ["markdown"]

tests/format/markdown/math/issue-12793.md

@@ -0,0 +1 @@
+$ P\Big(\mathop{\cup}\limits^n_{i=1}A_i\Big) = \sum\limits^n_{i=1}P(A_i) $

tests/format/markdown/math/issue-16664.md

@@ -0,0 +1 @@
+$$ \textrm{p-value} = 1 - \sum_{x \leq a} H(x | N, r_1, m_1) $$