4 files changed, 34 insertions, 0 deletions
diff --git a/src/test/rustdoc-ui/coverage/html.rs b/src/test/rustdoc-ui/coverage/html.rs
new file mode 100644
index 00000000000..181cb4c5061
--- /dev/null
+++ b/src/test/rustdoc-ui/coverage/html.rs
@@ -0,0 +1,4 @@
+// compile-flags:-Z unstable-options --output-format html --show-coverage
+
+/// Foo
+pub struct Xo;
diff --git a/src/test/rustdoc-ui/coverage/html.stderr b/src/test/rustdoc-ui/coverage/html.stderr
new file mode 100644
index 00000000000..adca375d4bc
--- /dev/null
+++ b/src/test/rustdoc-ui/coverage/html.stderr
@@ -0,0 +1,2 @@
+error: html output format isn't supported for the --show-coverage option
+
diff --git a/src/test/rustdoc-ui/coverage/json.rs b/src/test/rustdoc-ui/coverage/json.rs
new file mode 100644
index 00000000000..b1220b32e91
--- /dev/null
+++ b/src/test/rustdoc-ui/coverage/json.rs
@@ -0,0 +1,27 @@
+// build-pass
+// compile-flags:-Z unstable-options --output-format json --show-coverage
+
+pub mod foo {
+    /// Hello!
+    pub struct Foo;
+    /// Bar
+    pub enum Bar { A }
+}
+
+/// X
+pub struct X;
+
+/// Bar
+pub mod bar {
+    /// bar
+    pub struct Bar;
+    /// X
+    pub enum X { Y }
+}
+
+/// yolo
+pub enum Yolo { X }
+
+pub struct Xo<T: Clone> {
+    x: T,
+}
diff --git a/src/test/rustdoc-ui/coverage/json.stdout b/src/test/rustdoc-ui/coverage/json.stdout
new file mode 100644
index 00000000000..63b22a7d94b
--- /dev/null
+++ b/src/test/rustdoc-ui/coverage/json.stdout
@@ -0,0 +1 @@
+{"$DIR/json.rs":{"total":13,"with_docs":7}}