diff --git a/tests/rustdoc-ui/show-coverage-json.rs b/tests/rustdoc-ui/show-coverage-json.rs
new file mode 100644
index 00000000000..3851e34fe35
--- /dev/null
+++ b/tests/rustdoc-ui/show-coverage-json.rs
@@ -0,0 +1,13 @@
+//@ compile-flags: -Z unstable-options --show-coverage --output-format=json
+//@ check-pass
+
+mod bar {
+    /// a
+    ///
+    /// ```
+    /// let x = 0;
+    /// ```
+    pub struct Foo;
+}
+
+pub use bar::Foo;
diff --git a/tests/rustdoc-ui/show-coverage-json.stdout b/tests/rustdoc-ui/show-coverage-json.stdout
new file mode 100644
index 00000000000..ed5b5a60212
--- /dev/null
+++ b/tests/rustdoc-ui/show-coverage-json.stdout
@@ -0,0 +1 @@
+{"$DIR/show-coverage-json.rs":{"total":2,"with_docs":1,"total_examples":2,"with_examples":1}}
diff --git a/tests/rustdoc-ui/show-coverage.rs b/tests/rustdoc-ui/show-coverage.rs
new file mode 100644
index 00000000000..00bb1606a82
--- /dev/null
+++ b/tests/rustdoc-ui/show-coverage.rs
@@ -0,0 +1,13 @@
+//@ compile-flags: -Z unstable-options --show-coverage
+//@ check-pass
+
+mod bar {
+    /// a
+    ///
+    /// ```
+    /// let x = 0;
+    /// ```
+    pub struct Foo;
+}
+
+pub use bar::Foo;
diff --git a/tests/rustdoc-ui/show-coverage.stdout b/tests/rustdoc-ui/show-coverage.stdout
new file mode 100644
index 00000000000..b3b7679771f
--- /dev/null
+++ b/tests/rustdoc-ui/show-coverage.stdout
@@ -0,0 +1,7 @@
++-------------------------------------+------------+------------+------------+------------+
+| File                                | Documented | Percentage |   Examples | Percentage |
++-------------------------------------+------------+------------+------------+------------+
+| ...ests/rustdoc-ui/show-coverage.rs |          1 |      50.0% |          1 |      50.0% |
++-------------------------------------+------------+------------+------------+------------+
+| Total                               |          1 |      50.0% |          1 |      50.0% |
++-------------------------------------+------------+------------+------------+------------+