4 files changed, 45 insertions, 1 deletions
diff --git a/cli/tests/integration/fmt_tests.rs b/cli/tests/integration/fmt_tests.rs
index 1adbc8ff8..304625348 100644
--- a/cli/tests/integration/fmt_tests.rs
+++ b/cli/tests/integration/fmt_tests.rs
@@ -129,7 +129,7 @@ fn fmt_ignore_unexplicit_files() {
 }
 
 itest!(fmt_check_tests_dir {
-  args: "fmt --check ./ --ignore=.test_coverage,fmt/fmt_with_config/",
+  args: "fmt --check ./ --ignore=.test_coverage,fmt/fmt_with_config/,test/markdown_windows.md",
   output: "fmt/expected_fmt_check_tests_dir.out",
   exit_code: 1,
 });
diff --git a/cli/tests/integration/test_tests.rs b/cli/tests/integration/test_tests.rs
index d4412191e..e5d3fd358 100644
--- a/cli/tests/integration/test_tests.rs
+++ b/cli/tests/integration/test_tests.rs
@@ -85,6 +85,12 @@ itest!(markdown {
   output: "test/markdown.out",
 });
 
+itest!(markdown_windows {
+  args: "test --doc --allow-all test/markdown_windows.md",
+  exit_code: 1,
+  output: "test/markdown_windows.out",
+});
+
 itest!(text {
   args: "test --doc --allow-all test/text.md",
   exit_code: 0,
diff --git a/cli/tests/testdata/test/markdown_windows.md b/cli/tests/testdata/test/markdown_windows.md
new file mode 100644
index 000000000..d18dbd108
--- /dev/null
+++ b/cli/tests/testdata/test/markdown_windows.md
@@ -0,0 +1,31 @@
+# Documentation
+
+The following block does not have a language attribute and should be ignored:
+
+```
+This is a fenced block without attributes, it's invalid and it should be ignored.
+```
+
+The following block should be given a js extension on extraction:
+
+```js
+console.log("js");
+```
+
+The following block should be given a ts extension on extraction:
+
+```ts
+console.log("ts");
+```
+
+The following example contains the ignore attribute and will be ignored:
+
+```ts ignore
+const value: Invalid = "ignored";
+```
+
+The following example will trigger the type-checker to fail:
+
+```ts
+const a: string = 42;
+```
diff --git a/cli/tests/testdata/test/markdown_windows.out b/cli/tests/testdata/test/markdown_windows.out
new file mode 100644
index 000000000..4810e50cd
--- /dev/null
+++ b/cli/tests/testdata/test/markdown_windows.out
@@ -0,0 +1,7 @@
+Check [WILDCARD]/test/markdown_windows.md$11-14.js
+Check [WILDCARD]/test/markdown_windows.md$17-20.ts
+Check [WILDCARD]/test/markdown_windows.md$29-32.ts
+error: TS2322 [ERROR]: Type 'number' is not assignable to type 'string'.
+const a: string = 42;
+      ^
+    at [WILDCARD]/test/markdown_windows.md$29-32.ts:1:7