Update how doc examples are counted

1 files changed, 13 insertions, 0 deletions

diff --git a/src/test/rustdoc-ui/coverage/doc-examples-json.rs b/src/test/rustdoc-ui/coverage/doc-examples-json.rs
new file mode 100644
index 00000000000..1da1813790e
--- /dev/null
+++ b/src/test/rustdoc-ui/coverage/doc-examples-json.rs
@@ -0,0 +1,13 @@
+// check-pass
+// compile-flags:-Z unstable-options --output-format json --show-coverage
+
+// This check ensures that only one doc example is counted since they're "optional" on
+// certain items.
+
+/// ```
+/// let x = 12;
+/// ```
+pub const Foo: u32 = 0;
+
+/// doc
+pub const Bar: u32 = 0;