1 files changed, 123 insertions, 0 deletions
diff --git a/tests/rustdoc-ui/lints/invalid-html-tags.rs b/tests/rustdoc-ui/lints/invalid-html-tags.rs
new file mode 100644
index 000000000..317f1fd1d
--- /dev/null
+++ b/tests/rustdoc-ui/lints/invalid-html-tags.rs
@@ -0,0 +1,123 @@
+#![deny(rustdoc::invalid_html_tags)]
+
+//! <p>💩<p>
+//~^ ERROR unclosed HTML tag `p`
+//~^^ ERROR unclosed HTML tag `p`
+
+/// <img><input>
+/// <script>
+/// <img><input>
+/// </script>
+/// <unknown>
+//~^ ERROR unclosed HTML tag `unknown`
+/// < ok
+/// <script>
+//~^ ERROR unclosed HTML tag `script`
+pub fn foo() {}
+
+/// <h1>
+///   <h2>
+//~^ ERROR unclosed HTML tag `h2`
+///     <h3>
+//~^ ERROR unclosed HTML tag `h3`
+/// </h1>
+/// </hello>
+//~^ ERROR unopened HTML tag `hello`
+pub fn bar() {}
+
+/// <div>
+///    <br/> <p>
+//~^ ERROR unclosed HTML tag `p`
+/// </div>
+pub fn a() {}
+
+/// <div>
+///   <p>
+///      <div></div>
+///   </p>
+/// </div>
+pub fn b() {}
+
+/// <div style="hello">
+//~^ ERROR unclosed HTML tag `div`
+///   <h3>
+//~^ ERROR unclosed HTML tag `h3`
+/// <script
+//~^ ERROR unclosed HTML tag `script`
+pub fn c() {}
+
+// Unclosed tags shouldn't warn if they are nested inside a <script> elem.
+/// <script>
+///   <h3><div>
+/// </script>
+/// <script>
+///   <div>
+///     <p>
+///   </div>
+/// </script>
+pub fn d() {}
+
+// Unclosed tags shouldn't warn if they are nested inside a <style> elem.
+/// <style>
+///   <h3><div>
+/// </style>
+/// <stYle>
+///   <div>
+///     <p>
+///   </div>
+/// </style>
+pub fn e() {}
+
+// Closing tags need to have ">" at the end, otherwise it's not a closing tag!
+/// <div></div >
+/// <div></div
+//~^ ERROR unclosed HTML tag `div`
+pub fn f() {}
+
+/// <!---->
+/// <!-- -->
+/// <!-- <div> -->
+/// <!-- <!-- -->
+pub fn g() {}
+
+/// <!--
+/// -->
+pub fn h() {}
+
+/// <!--
+//~^ ERROR Unclosed HTML comment
+pub fn i() {}
+
+/// hello
+///
+/// ```
+/// uiapp.run(&env::args().collect::<Vec<_>>());
+/// ```
+pub fn j() {}
+
+// Check that nested codeblocks are working as well
+/// hello
+///
+/// ``````markdown
+/// normal markdown
+///
+/// ```
+/// uiapp.run(&env::args().collect::<Vec<_>>());
+/// ```
+///
+/// <Vec<_> shouldn't warn!
+/// ``````
+pub fn k() {}
+
+/// Web Components style <dashed-tags>
+//~^ ERROR unclosed HTML tag `dashed-tags`
+/// Web Components style </unopened-tag>
+//~^ ERROR unopened HTML tag `unopened-tag`
+pub fn m() {}
+
+/// backslashed \<a href="">
+pub fn no_error_1() {}
+
+/// backslashed \<<a href="">
+//~^ ERROR unclosed HTML tag `a`
+pub fn p() {}