1 files changed, 101 insertions, 0 deletions
diff --git a/tests/rustdoc/doc-cfg.rs b/tests/rustdoc/doc-cfg.rs
new file mode 100644
index 00000000000..4cddb0b76d4
--- /dev/null
+++ b/tests/rustdoc/doc-cfg.rs
@@ -0,0 +1,101 @@
+#![feature(doc_cfg)]
+#![feature(target_feature, cfg_target_feature)]
+
+// @has doc_cfg/struct.Portable.html
+// @!has - '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' ''
+// @has - '//*[@id="method.unix_and_arm_only_function"]' 'fn unix_and_arm_only_function()'
+// @has - '//*[@class="stab portability"]' 'Available on Unix and ARM only.'
+// @has - '//*[@id="method.wasi_and_wasm32_only_function"]' 'fn wasi_and_wasm32_only_function()'
+// @has - '//*[@class="stab portability"]' 'Available on WASI and WebAssembly only.'
+pub struct Portable;
+
+// @has doc_cfg/unix_only/index.html \
+//  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+//  'Available on Unix only.'
+// @matches - '//*[@class="item-left module-item"]//*[@class="stab portability"]' '\AARM\Z'
+// @count - '//*[@class="stab portability"]' 2
+#[doc(cfg(unix))]
+pub mod unix_only {
+    // @has doc_cfg/unix_only/fn.unix_only_function.html \
+    //  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+    //  'Available on Unix only.'
+    // @count - '//*[@class="stab portability"]' 1
+    pub fn unix_only_function() {
+        content::should::be::irrelevant();
+    }
+
+    // @has doc_cfg/unix_only/trait.ArmOnly.html \
+    //  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+    //  'Available on Unix and ARM only.'
+    // @count - '//*[@class="stab portability"]' 1
+    #[doc(cfg(target_arch = "arm"))]
+    pub trait ArmOnly {
+        fn unix_and_arm_only_function();
+    }
+
+    #[doc(cfg(target_arch = "arm"))]
+    impl ArmOnly for super::Portable {
+        fn unix_and_arm_only_function() {}
+    }
+}
+
+// @has doc_cfg/wasi_only/index.html \
+//  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+//  'Available on WASI only.'
+// @matches - '//*[@class="item-left module-item"]//*[@class="stab portability"]' '\AWebAssembly\Z'
+// @count - '//*[@class="stab portability"]' 2
+#[doc(cfg(target_os = "wasi"))]
+pub mod wasi_only {
+    // @has doc_cfg/wasi_only/fn.wasi_only_function.html \
+    //  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+    //  'Available on WASI only.'
+    // @count - '//*[@class="stab portability"]' 1
+    pub fn wasi_only_function() {
+        content::should::be::irrelevant();
+    }
+
+    // @has doc_cfg/wasi_only/trait.Wasm32Only.html \
+    //  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+    //  'Available on WASI and WebAssembly only.'
+    // @count - '//*[@class="stab portability"]' 1
+    #[doc(cfg(target_arch = "wasm32"))]
+    pub trait Wasm32Only {
+        fn wasi_and_wasm32_only_function();
+    }
+
+    #[doc(cfg(target_arch = "wasm32"))]
+    impl Wasm32Only for super::Portable {
+        fn wasi_and_wasm32_only_function() {}
+    }
+}
+
+// tagging a function with `#[target_feature]` creates a doc(cfg(target_feature)) node for that
+// item as well
+
+// the portability header is different on the module view versus the full view
+// @has doc_cfg/index.html
+// @matches - '//*[@class="item-left module-item"]//*[@class="stab portability"]' '\Aavx\Z'
+
+// @has doc_cfg/fn.uses_target_feature.html
+// @has - '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+//        'Available with target feature avx only.'
+#[target_feature(enable = "avx")]
+pub unsafe fn uses_target_feature() {
+    content::should::be::irrelevant();
+}
+
+// @has doc_cfg/fn.uses_cfg_target_feature.html
+// @has - '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+//        'Available with target feature avx only.'
+#[doc(cfg(target_feature = "avx"))]
+pub fn uses_cfg_target_feature() {
+    uses_target_feature();
+}
+
+// multiple attributes should be allowed
+// @has doc_cfg/fn.multiple_attrs.html \
+//  '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \
+//  'Available on x and y and z only.'
+#[doc(cfg(x))]
+#[doc(cfg(y), cfg(z))]
+pub fn multiple_attrs() {}