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-rw-r--r--src/librustdoc/clean/cfg.rs420
-rw-r--r--src/librustdoc/clean/cfg/tests.rs413
-rw-r--r--src/librustdoc/html/markdown.rs27
-rw-r--r--src/librustdoc/html/markdown/tests.rs20
-rw-r--r--src/librustdoc/html/render.rs33
-rw-r--r--src/librustdoc/html/render/tests.rs29
-rw-r--r--src/librustdoc/passes/unindent_comments.rs79
-rw-r--r--src/librustdoc/passes/unindent_comments/tests.rs72
-rw-r--r--src/librustdoc/theme.rs109
-rw-r--r--src/librustdoc/theme/tests.rs102
-rw-r--r--src/tools/tidy/src/unit_tests.rs1
11 files changed, 651 insertions, 654 deletions
diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs
index ad211763a6c..b9b3e621bb7 100644
--- a/src/librustdoc/clean/cfg.rs
+++ b/src/librustdoc/clean/cfg.rs
@@ -16,6 +16,9 @@ use syntax_pos::Span;
 
 use crate::html::escape::Escape;
 
+#[cfg(test)]
+mod tests;
+
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]
 pub enum Cfg {
     /// Accepts all configurations.
@@ -408,420 +411,3 @@ impl<'a> fmt::Display for Html<'a> {
         }
     }
 }
-
-#[cfg(test)]
-mod test {
-    use super::Cfg;
-
-    use syntax_pos::DUMMY_SP;
-    use syntax::ast::*;
-    use syntax::attr;
-    use syntax::source_map::dummy_spanned;
-    use syntax::symbol::Symbol;
-    use syntax::with_default_globals;
-
-    fn word_cfg(s: &str) -> Cfg {
-        Cfg::Cfg(Symbol::intern(s), None)
-    }
-
-    fn name_value_cfg(name: &str, value: &str) -> Cfg {
-        Cfg::Cfg(Symbol::intern(name), Some(Symbol::intern(value)))
-    }
-
-    fn dummy_meta_item_word(name: &str) -> MetaItem {
-        MetaItem {
-            path: Path::from_ident(Ident::from_str(name)),
-            node: MetaItemKind::Word,
-            span: DUMMY_SP,
-        }
-    }
-
-    macro_rules! dummy_meta_item_list {
-        ($name:ident, [$($list:ident),* $(,)?]) => {
-            MetaItem {
-                path: Path::from_ident(Ident::from_str(stringify!($name))),
-                node: MetaItemKind::List(vec![
-                    $(
-                        NestedMetaItem::MetaItem(
-                            dummy_meta_item_word(stringify!($list)),
-                        ),
-                    )*
-                ]),
-                span: DUMMY_SP,
-            }
-        };
-
-        ($name:ident, [$($list:expr),* $(,)?]) => {
-            MetaItem {
-                path: Path::from_ident(Ident::from_str(stringify!($name))),
-                node: MetaItemKind::List(vec![
-                    $(
-                        NestedMetaItem::MetaItem($list),
-                    )*
-                ]),
-                span: DUMMY_SP,
-            }
-        };
-    }
-
-    #[test]
-    fn test_cfg_not() {
-        with_default_globals(|| {
-            assert_eq!(!Cfg::False, Cfg::True);
-            assert_eq!(!Cfg::True, Cfg::False);
-            assert_eq!(!word_cfg("test"), Cfg::Not(Box::new(word_cfg("test"))));
-            assert_eq!(
-                !Cfg::All(vec![word_cfg("a"), word_cfg("b")]),
-                Cfg::Not(Box::new(Cfg::All(vec![word_cfg("a"), word_cfg("b")])))
-            );
-            assert_eq!(
-                !Cfg::Any(vec![word_cfg("a"), word_cfg("b")]),
-                Cfg::Not(Box::new(Cfg::Any(vec![word_cfg("a"), word_cfg("b")])))
-            );
-            assert_eq!(!Cfg::Not(Box::new(word_cfg("test"))), word_cfg("test"));
-        })
-    }
-
-    #[test]
-    fn test_cfg_and() {
-        with_default_globals(|| {
-            let mut x = Cfg::False;
-            x &= Cfg::True;
-            assert_eq!(x, Cfg::False);
-
-            x = word_cfg("test");
-            x &= Cfg::False;
-            assert_eq!(x, Cfg::False);
-
-            x = word_cfg("test2");
-            x &= Cfg::True;
-            assert_eq!(x, word_cfg("test2"));
-
-            x = Cfg::True;
-            x &= word_cfg("test3");
-            assert_eq!(x, word_cfg("test3"));
-
-            x &= word_cfg("test4");
-            assert_eq!(x, Cfg::All(vec![word_cfg("test3"), word_cfg("test4")]));
-
-            x &= word_cfg("test5");
-            assert_eq!(x, Cfg::All(vec![word_cfg("test3"), word_cfg("test4"), word_cfg("test5")]));
-
-            x &= Cfg::All(vec![word_cfg("test6"), word_cfg("test7")]);
-            assert_eq!(x, Cfg::All(vec![
-                word_cfg("test3"),
-                word_cfg("test4"),
-                word_cfg("test5"),
-                word_cfg("test6"),
-                word_cfg("test7"),
-            ]));
-
-            let mut y = Cfg::Any(vec![word_cfg("a"), word_cfg("b")]);
-            y &= x;
-            assert_eq!(y, Cfg::All(vec![
-                word_cfg("test3"),
-                word_cfg("test4"),
-                word_cfg("test5"),
-                word_cfg("test6"),
-                word_cfg("test7"),
-                Cfg::Any(vec![word_cfg("a"), word_cfg("b")]),
-            ]));
-
-            assert_eq!(
-                word_cfg("a") & word_cfg("b") & word_cfg("c"),
-                Cfg::All(vec![word_cfg("a"), word_cfg("b"), word_cfg("c")])
-            );
-        })
-    }
-
-    #[test]
-    fn test_cfg_or() {
-        with_default_globals(|| {
-            let mut x = Cfg::True;
-            x |= Cfg::False;
-            assert_eq!(x, Cfg::True);
-
-            x = word_cfg("test");
-            x |= Cfg::True;
-            assert_eq!(x, Cfg::True);
-
-            x = word_cfg("test2");
-            x |= Cfg::False;
-            assert_eq!(x, word_cfg("test2"));
-
-            x = Cfg::False;
-            x |= word_cfg("test3");
-            assert_eq!(x, word_cfg("test3"));
-
-            x |= word_cfg("test4");
-            assert_eq!(x, Cfg::Any(vec![word_cfg("test3"), word_cfg("test4")]));
-
-            x |= word_cfg("test5");
-            assert_eq!(x, Cfg::Any(vec![word_cfg("test3"), word_cfg("test4"), word_cfg("test5")]));
-
-            x |= Cfg::Any(vec![word_cfg("test6"), word_cfg("test7")]);
-            assert_eq!(x, Cfg::Any(vec![
-                word_cfg("test3"),
-                word_cfg("test4"),
-                word_cfg("test5"),
-                word_cfg("test6"),
-                word_cfg("test7"),
-            ]));
-
-            let mut y = Cfg::All(vec![word_cfg("a"), word_cfg("b")]);
-            y |= x;
-            assert_eq!(y, Cfg::Any(vec![
-                word_cfg("test3"),
-                word_cfg("test4"),
-                word_cfg("test5"),
-                word_cfg("test6"),
-                word_cfg("test7"),
-                Cfg::All(vec![word_cfg("a"), word_cfg("b")]),
-            ]));
-
-            assert_eq!(
-                word_cfg("a") | word_cfg("b") | word_cfg("c"),
-                Cfg::Any(vec![word_cfg("a"), word_cfg("b"), word_cfg("c")])
-            );
-        })
-    }
-
-    #[test]
-    fn test_parse_ok() {
-        with_default_globals(|| {
-            let mi = dummy_meta_item_word("all");
-            assert_eq!(Cfg::parse(&mi), Ok(word_cfg("all")));
-
-            let mi = attr::mk_name_value_item_str(
-                Ident::from_str("all"),
-                dummy_spanned(Symbol::intern("done"))
-            );
-            assert_eq!(Cfg::parse(&mi), Ok(name_value_cfg("all", "done")));
-
-            let mi = dummy_meta_item_list!(all, [a, b]);
-            assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") & word_cfg("b")));
-
-            let mi = dummy_meta_item_list!(any, [a, b]);
-            assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") | word_cfg("b")));
-
-            let mi = dummy_meta_item_list!(not, [a]);
-            assert_eq!(Cfg::parse(&mi), Ok(!word_cfg("a")));
-
-            let mi = dummy_meta_item_list!(not, [
-                dummy_meta_item_list!(any, [
-                    dummy_meta_item_word("a"),
-                    dummy_meta_item_list!(all, [b, c]),
-                ]),
-            ]);
-            assert_eq!(Cfg::parse(&mi), Ok(!(word_cfg("a") | (word_cfg("b") & word_cfg("c")))));
-
-            let mi = dummy_meta_item_list!(all, [a, b, c]);
-            assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") & word_cfg("b") & word_cfg("c")));
-        })
-    }
-
-    #[test]
-    fn test_parse_err() {
-        with_default_globals(|| {
-            let mi = attr::mk_name_value_item(
-                DUMMY_SP,
-                Ident::from_str("foo"),
-                LitKind::Bool(false),
-                DUMMY_SP,
-            );
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(not, [a, b]);
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(not, []);
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(foo, []);
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(all, [
-                dummy_meta_item_list!(foo, []),
-                dummy_meta_item_word("b"),
-            ]);
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(any, [
-                dummy_meta_item_word("a"),
-                dummy_meta_item_list!(foo, []),
-            ]);
-            assert!(Cfg::parse(&mi).is_err());
-
-            let mi = dummy_meta_item_list!(not, [
-                dummy_meta_item_list!(foo, []),
-            ]);
-            assert!(Cfg::parse(&mi).is_err());
-        })
-    }
-
-    #[test]
-    fn test_render_short_html() {
-        with_default_globals(|| {
-            assert_eq!(
-                word_cfg("unix").render_short_html(),
-                "Unix"
-            );
-            assert_eq!(
-                name_value_cfg("target_os", "macos").render_short_html(),
-                "macOS"
-            );
-            assert_eq!(
-                name_value_cfg("target_pointer_width", "16").render_short_html(),
-                "16-bit"
-            );
-            assert_eq!(
-                name_value_cfg("target_endian", "little").render_short_html(),
-                "Little-endian"
-            );
-            assert_eq!(
-                (!word_cfg("windows")).render_short_html(),
-                "Non-Windows"
-            );
-            assert_eq!(
-                (word_cfg("unix") & word_cfg("windows")).render_short_html(),
-                "Unix and Windows"
-            );
-            assert_eq!(
-                (word_cfg("unix") | word_cfg("windows")).render_short_html(),
-                "Unix or Windows"
-            );
-            assert_eq!(
-                (
-                    word_cfg("unix") & word_cfg("windows") & word_cfg("debug_assertions")
-                ).render_short_html(),
-                "Unix and Windows and debug-assertions enabled"
-            );
-            assert_eq!(
-                (
-                    word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions")
-                ).render_short_html(),
-                "Unix or Windows or debug-assertions enabled"
-            );
-            assert_eq!(
-                (
-                    !(word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions"))
-                ).render_short_html(),
-                "Neither Unix nor Windows nor debug-assertions enabled"
-            );
-            assert_eq!(
-                (
-                    (word_cfg("unix") & name_value_cfg("target_arch", "x86_64")) |
-                    (word_cfg("windows") & name_value_cfg("target_pointer_width", "64"))
-                ).render_short_html(),
-                "Unix and x86-64, or Windows and 64-bit"
-            );
-            assert_eq!(
-                (!(word_cfg("unix") & word_cfg("windows"))).render_short_html(),
-                "Not (Unix and Windows)"
-            );
-            assert_eq!(
-                (
-                    (word_cfg("debug_assertions") | word_cfg("windows")) & word_cfg("unix")
-                ).render_short_html(),
-                "(Debug-assertions enabled or Windows) and Unix"
-            );
-            assert_eq!(
-                name_value_cfg("target_feature", "sse2").render_short_html(),
-                "<code>sse2</code>"
-            );
-            assert_eq!(
-                (
-                    name_value_cfg("target_arch", "x86_64") &
-                    name_value_cfg("target_feature", "sse2")
-                ).render_short_html(),
-                "x86-64 and <code>sse2</code>"
-            );
-        })
-    }
-
-    #[test]
-    fn test_render_long_html() {
-        with_default_globals(|| {
-            assert_eq!(
-                word_cfg("unix").render_long_html(),
-                "This is supported on <strong>Unix</strong> only."
-            );
-            assert_eq!(
-                name_value_cfg("target_os", "macos").render_long_html(),
-                "This is supported on <strong>macOS</strong> only."
-            );
-            assert_eq!(
-                name_value_cfg("target_pointer_width", "16").render_long_html(),
-                "This is supported on <strong>16-bit</strong> only."
-            );
-            assert_eq!(
-                name_value_cfg("target_endian", "little").render_long_html(),
-                "This is supported on <strong>little-endian</strong> only."
-            );
-            assert_eq!(
-                (!word_cfg("windows")).render_long_html(),
-                "This is supported on <strong>non-Windows</strong> only."
-            );
-            assert_eq!(
-                (word_cfg("unix") & word_cfg("windows")).render_long_html(),
-                "This is supported on <strong>Unix and Windows</strong> only."
-            );
-            assert_eq!(
-                (word_cfg("unix") | word_cfg("windows")).render_long_html(),
-                "This is supported on <strong>Unix or Windows</strong> only."
-            );
-            assert_eq!(
-                (
-                    word_cfg("unix") & word_cfg("windows") & word_cfg("debug_assertions")
-                ).render_long_html(),
-                "This is supported on <strong>Unix and Windows and debug-assertions enabled\
-                 </strong> only."
-            );
-            assert_eq!(
-                (
-                    word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions")
-                ).render_long_html(),
-                "This is supported on <strong>Unix or Windows or debug-assertions enabled\
-                 </strong> only."
-            );
-            assert_eq!(
-                (
-                    !(word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions"))
-                ).render_long_html(),
-                "This is supported on <strong>neither Unix nor Windows nor debug-assertions \
-                    enabled</strong>."
-            );
-            assert_eq!(
-                (
-                    (word_cfg("unix") & name_value_cfg("target_arch", "x86_64")) |
-                    (word_cfg("windows") & name_value_cfg("target_pointer_width", "64"))
-                ).render_long_html(),
-                "This is supported on <strong>Unix and x86-64, or Windows and 64-bit</strong> \
-                 only."
-            );
-            assert_eq!(
-                (!(word_cfg("unix") & word_cfg("windows"))).render_long_html(),
-                "This is supported on <strong>not (Unix and Windows)</strong>."
-            );
-            assert_eq!(
-                (
-                    (word_cfg("debug_assertions") | word_cfg("windows")) & word_cfg("unix")
-                ).render_long_html(),
-                "This is supported on <strong>(debug-assertions enabled or Windows) and Unix\
-                </strong> only."
-            );
-            assert_eq!(
-                name_value_cfg("target_feature", "sse2").render_long_html(),
-                "This is supported with <strong>target feature <code>sse2</code></strong> only."
-            );
-            assert_eq!(
-                (
-                    name_value_cfg("target_arch", "x86_64") &
-                    name_value_cfg("target_feature", "sse2")
-                ).render_long_html(),
-                "This is supported on <strong>x86-64 and target feature \
-                <code>sse2</code></strong> only."
-            );
-        })
-    }
-}
diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs
new file mode 100644
index 00000000000..d0df9f8f7e4
--- /dev/null
+++ b/src/librustdoc/clean/cfg/tests.rs
@@ -0,0 +1,413 @@
+use super::*;
+
+use syntax_pos::DUMMY_SP;
+use syntax::ast::*;
+use syntax::attr;
+use syntax::source_map::dummy_spanned;
+use syntax::symbol::Symbol;
+use syntax::with_default_globals;
+
+fn word_cfg(s: &str) -> Cfg {
+    Cfg::Cfg(Symbol::intern(s), None)
+}
+
+fn name_value_cfg(name: &str, value: &str) -> Cfg {
+    Cfg::Cfg(Symbol::intern(name), Some(Symbol::intern(value)))
+}
+
+fn dummy_meta_item_word(name: &str) -> MetaItem {
+    MetaItem {
+        path: Path::from_ident(Ident::from_str(name)),
+        node: MetaItemKind::Word,
+        span: DUMMY_SP,
+    }
+}
+
+macro_rules! dummy_meta_item_list {
+    ($name:ident, [$($list:ident),* $(,)?]) => {
+        MetaItem {
+            path: Path::from_ident(Ident::from_str(stringify!($name))),
+            node: MetaItemKind::List(vec![
+                $(
+                    NestedMetaItem::MetaItem(
+                        dummy_meta_item_word(stringify!($list)),
+                    ),
+                )*
+            ]),
+            span: DUMMY_SP,
+        }
+    };
+
+    ($name:ident, [$($list:expr),* $(,)?]) => {
+        MetaItem {
+            path: Path::from_ident(Ident::from_str(stringify!($name))),
+            node: MetaItemKind::List(vec![
+                $(
+                    NestedMetaItem::MetaItem($list),
+                )*
+            ]),
+            span: DUMMY_SP,
+        }
+    };
+}
+
+#[test]
+fn test_cfg_not() {
+    with_default_globals(|| {
+        assert_eq!(!Cfg::False, Cfg::True);
+        assert_eq!(!Cfg::True, Cfg::False);
+        assert_eq!(!word_cfg("test"), Cfg::Not(Box::new(word_cfg("test"))));
+        assert_eq!(
+            !Cfg::All(vec![word_cfg("a"), word_cfg("b")]),
+            Cfg::Not(Box::new(Cfg::All(vec![word_cfg("a"), word_cfg("b")])))
+        );
+        assert_eq!(
+            !Cfg::Any(vec![word_cfg("a"), word_cfg("b")]),
+            Cfg::Not(Box::new(Cfg::Any(vec![word_cfg("a"), word_cfg("b")])))
+        );
+        assert_eq!(!Cfg::Not(Box::new(word_cfg("test"))), word_cfg("test"));
+    })
+}
+
+#[test]
+fn test_cfg_and() {
+    with_default_globals(|| {
+        let mut x = Cfg::False;
+        x &= Cfg::True;
+        assert_eq!(x, Cfg::False);
+
+        x = word_cfg("test");
+        x &= Cfg::False;
+        assert_eq!(x, Cfg::False);
+
+        x = word_cfg("test2");
+        x &= Cfg::True;
+        assert_eq!(x, word_cfg("test2"));
+
+        x = Cfg::True;
+        x &= word_cfg("test3");
+        assert_eq!(x, word_cfg("test3"));
+
+        x &= word_cfg("test4");
+        assert_eq!(x, Cfg::All(vec![word_cfg("test3"), word_cfg("test4")]));
+
+        x &= word_cfg("test5");
+        assert_eq!(x, Cfg::All(vec![word_cfg("test3"), word_cfg("test4"), word_cfg("test5")]));
+
+        x &= Cfg::All(vec![word_cfg("test6"), word_cfg("test7")]);
+        assert_eq!(x, Cfg::All(vec![
+            word_cfg("test3"),
+            word_cfg("test4"),
+            word_cfg("test5"),
+            word_cfg("test6"),
+            word_cfg("test7"),
+        ]));
+
+        let mut y = Cfg::Any(vec![word_cfg("a"), word_cfg("b")]);
+        y &= x;
+        assert_eq!(y, Cfg::All(vec![
+            word_cfg("test3"),
+            word_cfg("test4"),
+            word_cfg("test5"),
+            word_cfg("test6"),
+            word_cfg("test7"),
+            Cfg::Any(vec![word_cfg("a"), word_cfg("b")]),
+        ]));
+
+        assert_eq!(
+            word_cfg("a") & word_cfg("b") & word_cfg("c"),
+            Cfg::All(vec![word_cfg("a"), word_cfg("b"), word_cfg("c")])
+        );
+    })
+}
+
+#[test]
+fn test_cfg_or() {
+    with_default_globals(|| {
+        let mut x = Cfg::True;
+        x |= Cfg::False;
+        assert_eq!(x, Cfg::True);
+
+        x = word_cfg("test");
+        x |= Cfg::True;
+        assert_eq!(x, Cfg::True);
+
+        x = word_cfg("test2");
+        x |= Cfg::False;
+        assert_eq!(x, word_cfg("test2"));
+
+        x = Cfg::False;
+        x |= word_cfg("test3");
+        assert_eq!(x, word_cfg("test3"));
+
+        x |= word_cfg("test4");
+        assert_eq!(x, Cfg::Any(vec![word_cfg("test3"), word_cfg("test4")]));
+
+        x |= word_cfg("test5");
+        assert_eq!(x, Cfg::Any(vec![word_cfg("test3"), word_cfg("test4"), word_cfg("test5")]));
+
+        x |= Cfg::Any(vec![word_cfg("test6"), word_cfg("test7")]);
+        assert_eq!(x, Cfg::Any(vec![
+            word_cfg("test3"),
+            word_cfg("test4"),
+            word_cfg("test5"),
+            word_cfg("test6"),
+            word_cfg("test7"),
+        ]));
+
+        let mut y = Cfg::All(vec![word_cfg("a"), word_cfg("b")]);
+        y |= x;
+        assert_eq!(y, Cfg::Any(vec![
+            word_cfg("test3"),
+            word_cfg("test4"),
+            word_cfg("test5"),
+            word_cfg("test6"),
+            word_cfg("test7"),
+            Cfg::All(vec![word_cfg("a"), word_cfg("b")]),
+        ]));
+
+        assert_eq!(
+            word_cfg("a") | word_cfg("b") | word_cfg("c"),
+            Cfg::Any(vec![word_cfg("a"), word_cfg("b"), word_cfg("c")])
+        );
+    })
+}
+
+#[test]
+fn test_parse_ok() {
+    with_default_globals(|| {
+        let mi = dummy_meta_item_word("all");
+        assert_eq!(Cfg::parse(&mi), Ok(word_cfg("all")));
+
+        let mi = attr::mk_name_value_item_str(
+            Ident::from_str("all"),
+            dummy_spanned(Symbol::intern("done"))
+        );
+        assert_eq!(Cfg::parse(&mi), Ok(name_value_cfg("all", "done")));
+
+        let mi = dummy_meta_item_list!(all, [a, b]);
+        assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") & word_cfg("b")));
+
+        let mi = dummy_meta_item_list!(any, [a, b]);
+        assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") | word_cfg("b")));
+
+        let mi = dummy_meta_item_list!(not, [a]);
+        assert_eq!(Cfg::parse(&mi), Ok(!word_cfg("a")));
+
+        let mi = dummy_meta_item_list!(not, [
+            dummy_meta_item_list!(any, [
+                dummy_meta_item_word("a"),
+                dummy_meta_item_list!(all, [b, c]),
+            ]),
+        ]);
+        assert_eq!(Cfg::parse(&mi), Ok(!(word_cfg("a") | (word_cfg("b") & word_cfg("c")))));
+
+        let mi = dummy_meta_item_list!(all, [a, b, c]);
+        assert_eq!(Cfg::parse(&mi), Ok(word_cfg("a") & word_cfg("b") & word_cfg("c")));
+    })
+}
+
+#[test]
+fn test_parse_err() {
+    with_default_globals(|| {
+        let mi = attr::mk_name_value_item(
+            DUMMY_SP,
+            Ident::from_str("foo"),
+            LitKind::Bool(false),
+            DUMMY_SP,
+        );
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(not, [a, b]);
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(not, []);
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(foo, []);
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(all, [
+            dummy_meta_item_list!(foo, []),
+            dummy_meta_item_word("b"),
+        ]);
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(any, [
+            dummy_meta_item_word("a"),
+            dummy_meta_item_list!(foo, []),
+        ]);
+        assert!(Cfg::parse(&mi).is_err());
+
+        let mi = dummy_meta_item_list!(not, [
+            dummy_meta_item_list!(foo, []),
+        ]);
+        assert!(Cfg::parse(&mi).is_err());
+    })
+}
+
+#[test]
+fn test_render_short_html() {
+    with_default_globals(|| {
+        assert_eq!(
+            word_cfg("unix").render_short_html(),
+            "Unix"
+        );
+        assert_eq!(
+            name_value_cfg("target_os", "macos").render_short_html(),
+            "macOS"
+        );
+        assert_eq!(
+            name_value_cfg("target_pointer_width", "16").render_short_html(),
+            "16-bit"
+        );
+        assert_eq!(
+            name_value_cfg("target_endian", "little").render_short_html(),
+            "Little-endian"
+        );
+        assert_eq!(
+            (!word_cfg("windows")).render_short_html(),
+            "Non-Windows"
+        );
+        assert_eq!(
+            (word_cfg("unix") & word_cfg("windows")).render_short_html(),
+            "Unix and Windows"
+        );
+        assert_eq!(
+            (word_cfg("unix") | word_cfg("windows")).render_short_html(),
+            "Unix or Windows"
+        );
+        assert_eq!(
+            (
+                word_cfg("unix") & word_cfg("windows") & word_cfg("debug_assertions")
+            ).render_short_html(),
+            "Unix and Windows and debug-assertions enabled"
+        );
+        assert_eq!(
+            (
+                word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions")
+            ).render_short_html(),
+            "Unix or Windows or debug-assertions enabled"
+        );
+        assert_eq!(
+            (
+                !(word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions"))
+            ).render_short_html(),
+            "Neither Unix nor Windows nor debug-assertions enabled"
+        );
+        assert_eq!(
+            (
+                (word_cfg("unix") & name_value_cfg("target_arch", "x86_64")) |
+                (word_cfg("windows") & name_value_cfg("target_pointer_width", "64"))
+            ).render_short_html(),
+            "Unix and x86-64, or Windows and 64-bit"
+        );
+        assert_eq!(
+            (!(word_cfg("unix") & word_cfg("windows"))).render_short_html(),
+            "Not (Unix and Windows)"
+        );
+        assert_eq!(
+            (
+                (word_cfg("debug_assertions") | word_cfg("windows")) & word_cfg("unix")
+            ).render_short_html(),
+            "(Debug-assertions enabled or Windows) and Unix"
+        );
+        assert_eq!(
+            name_value_cfg("target_feature", "sse2").render_short_html(),
+            "<code>sse2</code>"
+        );
+        assert_eq!(
+            (
+                name_value_cfg("target_arch", "x86_64") &
+                name_value_cfg("target_feature", "sse2")
+            ).render_short_html(),
+            "x86-64 and <code>sse2</code>"
+        );
+    })
+}
+
+#[test]
+fn test_render_long_html() {
+    with_default_globals(|| {
+        assert_eq!(
+            word_cfg("unix").render_long_html(),
+            "This is supported on <strong>Unix</strong> only."
+        );
+        assert_eq!(
+            name_value_cfg("target_os", "macos").render_long_html(),
+            "This is supported on <strong>macOS</strong> only."
+        );
+        assert_eq!(
+            name_value_cfg("target_pointer_width", "16").render_long_html(),
+            "This is supported on <strong>16-bit</strong> only."
+        );
+        assert_eq!(
+            name_value_cfg("target_endian", "little").render_long_html(),
+            "This is supported on <strong>little-endian</strong> only."
+        );
+        assert_eq!(
+            (!word_cfg("windows")).render_long_html(),
+            "This is supported on <strong>non-Windows</strong> only."
+        );
+        assert_eq!(
+            (word_cfg("unix") & word_cfg("windows")).render_long_html(),
+            "This is supported on <strong>Unix and Windows</strong> only."
+        );
+        assert_eq!(
+            (word_cfg("unix") | word_cfg("windows")).render_long_html(),
+            "This is supported on <strong>Unix or Windows</strong> only."
+        );
+        assert_eq!(
+            (
+                word_cfg("unix") & word_cfg("windows") & word_cfg("debug_assertions")
+            ).render_long_html(),
+            "This is supported on <strong>Unix and Windows and debug-assertions enabled\
+                </strong> only."
+        );
+        assert_eq!(
+            (
+                word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions")
+            ).render_long_html(),
+            "This is supported on <strong>Unix or Windows or debug-assertions enabled\
+                </strong> only."
+        );
+        assert_eq!(
+            (
+                !(word_cfg("unix") | word_cfg("windows") | word_cfg("debug_assertions"))
+            ).render_long_html(),
+            "This is supported on <strong>neither Unix nor Windows nor debug-assertions \
+                enabled</strong>."
+        );
+        assert_eq!(
+            (
+                (word_cfg("unix") & name_value_cfg("target_arch", "x86_64")) |
+                (word_cfg("windows") & name_value_cfg("target_pointer_width", "64"))
+            ).render_long_html(),
+            "This is supported on <strong>Unix and x86-64, or Windows and 64-bit</strong> \
+                only."
+        );
+        assert_eq!(
+            (!(word_cfg("unix") & word_cfg("windows"))).render_long_html(),
+            "This is supported on <strong>not (Unix and Windows)</strong>."
+        );
+        assert_eq!(
+            (
+                (word_cfg("debug_assertions") | word_cfg("windows")) & word_cfg("unix")
+            ).render_long_html(),
+            "This is supported on <strong>(debug-assertions enabled or Windows) and Unix\
+            </strong> only."
+        );
+        assert_eq!(
+            name_value_cfg("target_feature", "sse2").render_long_html(),
+            "This is supported with <strong>target feature <code>sse2</code></strong> only."
+        );
+        assert_eq!(
+            (
+                name_value_cfg("target_arch", "x86_64") &
+                name_value_cfg("target_feature", "sse2")
+            ).render_long_html(),
+            "This is supported on <strong>x86-64 and target feature \
+            <code>sse2</code></strong> only."
+        );
+    })
+}
diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs
index c6982000396..ef52ce62875 100644
--- a/src/librustdoc/html/markdown.rs
+++ b/src/librustdoc/html/markdown.rs
@@ -39,6 +39,9 @@ use crate::test;
 
 use pulldown_cmark::{html, CowStr, Event, Options, Parser, Tag};
 
+#[cfg(test)]
+mod tests;
+
 fn opts() -> Options {
     Options::ENABLE_TABLES | Options::ENABLE_FOOTNOTES
 }
@@ -1032,27 +1035,3 @@ impl IdMap {
         id
     }
 }
-
-#[cfg(test)]
-#[test]
-fn test_unique_id() {
-    let input = ["foo", "examples", "examples", "method.into_iter","examples",
-                 "method.into_iter", "foo", "main", "search", "methods",
-                 "examples", "method.into_iter", "assoc_type.Item", "assoc_type.Item"];
-    let expected = ["foo", "examples", "examples-1", "method.into_iter", "examples-2",
-                    "method.into_iter-1", "foo-1", "main", "search", "methods",
-                    "examples-3", "method.into_iter-2", "assoc_type.Item", "assoc_type.Item-1"];
-
-    let map = RefCell::new(IdMap::new());
-    let test = || {
-        let mut map = map.borrow_mut();
-        let actual: Vec<String> = input.iter().map(|s| map.derive(s.to_string())).collect();
-        assert_eq!(&actual[..], expected);
-    };
-    test();
-    map.borrow_mut().reset();
-    test();
-}
-
-#[cfg(test)]
-mod tests;
diff --git a/src/librustdoc/html/markdown/tests.rs b/src/librustdoc/html/markdown/tests.rs
index f470e649d82..681f363544a 100644
--- a/src/librustdoc/html/markdown/tests.rs
+++ b/src/librustdoc/html/markdown/tests.rs
@@ -4,6 +4,26 @@ use std::cell::RefCell;
 use syntax::edition::{Edition, DEFAULT_EDITION};
 
 #[test]
+fn test_unique_id() {
+    let input = ["foo", "examples", "examples", "method.into_iter","examples",
+                 "method.into_iter", "foo", "main", "search", "methods",
+                 "examples", "method.into_iter", "assoc_type.Item", "assoc_type.Item"];
+    let expected = ["foo", "examples", "examples-1", "method.into_iter", "examples-2",
+                    "method.into_iter-1", "foo-1", "main", "search", "methods",
+                    "examples-3", "method.into_iter-2", "assoc_type.Item", "assoc_type.Item-1"];
+
+    let map = RefCell::new(IdMap::new());
+    let test = || {
+        let mut map = map.borrow_mut();
+        let actual: Vec<String> = input.iter().map(|s| map.derive(s.to_string())).collect();
+        assert_eq!(&actual[..], expected);
+    };
+    test();
+    map.borrow_mut().reset();
+    test();
+}
+
+#[test]
 fn test_lang_string_parse() {
     fn t(s: &str,
         should_panic: bool, no_run: bool, ignore: bool, rust: bool, test_harness: bool,
diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index 62cfc61ce2d..c7bda534d07 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -75,6 +75,9 @@ use crate::html::{highlight, layout, static_files};
 
 use minifier;
 
+#[cfg(test)]
+mod tests;
+
 /// A pair of name and its optional document.
 pub type NameDoc = (String, Option<String>);
 
@@ -5238,33 +5241,3 @@ fn get_generics(clean_type: &clean::Type) -> Option<Vec<String>> {
 pub fn cache() -> Arc<Cache> {
     CACHE_KEY.with(|c| c.borrow().clone())
 }
-
-#[cfg(test)]
-#[test]
-fn test_name_key() {
-    assert_eq!(name_key("0"), ("", 0, 1));
-    assert_eq!(name_key("123"), ("", 123, 0));
-    assert_eq!(name_key("Fruit"), ("Fruit", 0, 0));
-    assert_eq!(name_key("Fruit0"), ("Fruit", 0, 1));
-    assert_eq!(name_key("Fruit0000"), ("Fruit", 0, 4));
-    assert_eq!(name_key("Fruit01"), ("Fruit", 1, 1));
-    assert_eq!(name_key("Fruit10"), ("Fruit", 10, 0));
-    assert_eq!(name_key("Fruit123"), ("Fruit", 123, 0));
-}
-
-#[cfg(test)]
-#[test]
-fn test_name_sorting() {
-    let names = ["Apple",
-                 "Banana",
-                 "Fruit", "Fruit0", "Fruit00",
-                 "Fruit1", "Fruit01",
-                 "Fruit2", "Fruit02",
-                 "Fruit20",
-                 "Fruit30x",
-                 "Fruit100",
-                 "Pear"];
-    let mut sorted = names.to_owned();
-    sorted.sort_by_key(|&s| name_key(s));
-    assert_eq!(names, sorted);
-}
diff --git a/src/librustdoc/html/render/tests.rs b/src/librustdoc/html/render/tests.rs
new file mode 100644
index 00000000000..1848b575e4d
--- /dev/null
+++ b/src/librustdoc/html/render/tests.rs
@@ -0,0 +1,29 @@
+use super::*;
+
+#[test]
+fn test_name_key() {
+    assert_eq!(name_key("0"), ("", 0, 1));
+    assert_eq!(name_key("123"), ("", 123, 0));
+    assert_eq!(name_key("Fruit"), ("Fruit", 0, 0));
+    assert_eq!(name_key("Fruit0"), ("Fruit", 0, 1));
+    assert_eq!(name_key("Fruit0000"), ("Fruit", 0, 4));
+    assert_eq!(name_key("Fruit01"), ("Fruit", 1, 1));
+    assert_eq!(name_key("Fruit10"), ("Fruit", 10, 0));
+    assert_eq!(name_key("Fruit123"), ("Fruit", 123, 0));
+}
+
+#[test]
+fn test_name_sorting() {
+    let names = ["Apple",
+                 "Banana",
+                 "Fruit", "Fruit0", "Fruit00",
+                 "Fruit1", "Fruit01",
+                 "Fruit2", "Fruit02",
+                 "Fruit20",
+                 "Fruit30x",
+                 "Fruit100",
+                 "Pear"];
+    let mut sorted = names.to_owned();
+    sorted.sort_by_key(|&s| name_key(s));
+    assert_eq!(names, sorted);
+}
diff --git a/src/librustdoc/passes/unindent_comments.rs b/src/librustdoc/passes/unindent_comments.rs
index 95e322f70b2..7ad98242fdc 100644
--- a/src/librustdoc/passes/unindent_comments.rs
+++ b/src/librustdoc/passes/unindent_comments.rs
@@ -7,6 +7,9 @@ use crate::core::DocContext;
 use crate::fold::{self, DocFolder};
 use crate::passes::Pass;
 
+#[cfg(test)]
+mod tests;
+
 pub const UNINDENT_COMMENTS: Pass = Pass {
     name: "unindent-comments",
     pass: unindent_comments,
@@ -102,79 +105,3 @@ fn unindent(s: &str) -> String {
         s.to_string()
     }
 }
-
-#[cfg(test)]
-mod unindent_tests {
-    use super::unindent;
-
-    #[test]
-    fn should_unindent() {
-        let s = "    line1\n    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\nline2");
-    }
-
-    #[test]
-    fn should_unindent_multiple_paragraphs() {
-        let s = "    line1\n\n    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\n\nline2");
-    }
-
-    #[test]
-    fn should_leave_multiple_indent_levels() {
-        // Line 2 is indented another level beyond the
-        // base indentation and should be preserved
-        let s = "    line1\n\n        line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\n\n    line2");
-    }
-
-    #[test]
-    fn should_ignore_first_line_indent() {
-        // The first line of the first paragraph may not be indented as
-        // far due to the way the doc string was written:
-        //
-        // #[doc = "Start way over here
-        //          and continue here"]
-        let s = "line1\n    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\nline2");
-    }
-
-    #[test]
-    fn should_not_ignore_first_line_indent_in_a_single_line_para() {
-        let s = "line1\n\n    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\n\n    line2");
-    }
-
-    #[test]
-    fn should_unindent_tabs() {
-        let s = "\tline1\n\tline2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\nline2");
-    }
-
-    #[test]
-    fn should_trim_mixed_indentation() {
-        let s = "\t    line1\n\t    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\nline2");
-
-        let s = "    \tline1\n    \tline2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1\nline2");
-    }
-
-    #[test]
-    fn should_not_trim() {
-        let s = "\t    line1  \n\t    line2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1  \nline2");
-
-        let s = "    \tline1  \n    \tline2".to_string();
-        let r = unindent(&s);
-        assert_eq!(r, "line1  \nline2");
-    }
-}
diff --git a/src/librustdoc/passes/unindent_comments/tests.rs b/src/librustdoc/passes/unindent_comments/tests.rs
new file mode 100644
index 00000000000..c39c03e1249
--- /dev/null
+++ b/src/librustdoc/passes/unindent_comments/tests.rs
@@ -0,0 +1,72 @@
+use super::*;
+
+#[test]
+fn should_unindent() {
+    let s = "    line1\n    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\nline2");
+}
+
+#[test]
+fn should_unindent_multiple_paragraphs() {
+    let s = "    line1\n\n    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\n\nline2");
+}
+
+#[test]
+fn should_leave_multiple_indent_levels() {
+    // Line 2 is indented another level beyond the
+    // base indentation and should be preserved
+    let s = "    line1\n\n        line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\n\n    line2");
+}
+
+#[test]
+fn should_ignore_first_line_indent() {
+    // The first line of the first paragraph may not be indented as
+    // far due to the way the doc string was written:
+    //
+    // #[doc = "Start way over here
+    //          and continue here"]
+    let s = "line1\n    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\nline2");
+}
+
+#[test]
+fn should_not_ignore_first_line_indent_in_a_single_line_para() {
+    let s = "line1\n\n    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\n\n    line2");
+}
+
+#[test]
+fn should_unindent_tabs() {
+    let s = "\tline1\n\tline2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\nline2");
+}
+
+#[test]
+fn should_trim_mixed_indentation() {
+    let s = "\t    line1\n\t    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\nline2");
+
+    let s = "    \tline1\n    \tline2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1\nline2");
+}
+
+#[test]
+fn should_not_trim() {
+    let s = "\t    line1  \n\t    line2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1  \nline2");
+
+    let s = "    \tline1  \n    \tline2".to_string();
+    let r = unindent(&s);
+    assert_eq!(r, "line1  \nline2");
+}
diff --git a/src/librustdoc/theme.rs b/src/librustdoc/theme.rs
index 7220a05df47..7037a146c50 100644
--- a/src/librustdoc/theme.rs
+++ b/src/librustdoc/theme.rs
@@ -5,6 +5,9 @@ use std::path::Path;
 
 use errors::Handler;
 
+#[cfg(test)]
+mod tests;
+
 macro_rules! try_something {
     ($e:expr, $diag:expr, $out:expr) => ({
         match $e {
@@ -275,109 +278,3 @@ pub fn test_theme_against<P: AsRef<Path>>(
     get_differences(against, &paths, &mut ret);
     (true, ret)
 }
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn test_comments_in_rules() {
-        let text = r#"
-rule a {}
-
-rule b, c
-// a line comment
-{}
-
-rule d
-// another line comment
-e {}
-
-rule f/* a multine
-
-comment*/{}
-
-rule g/* another multine
-
-comment*/h
-
-i {}
-
-rule j/*commeeeeent
-
-you like things like "{}" in there? :)
-*/
-end {}"#;
-
-        let against = r#"
-rule a {}
-
-rule b, c {}
-
-rule d e {}
-
-rule f {}
-
-rule gh i {}
-
-rule j end {}
-"#;
-
-        let mut ret = Vec::new();
-        get_differences(&load_css_paths(against.as_bytes()),
-                        &load_css_paths(text.as_bytes()),
-                        &mut ret);
-        assert!(ret.is_empty());
-    }
-
-    #[test]
-    fn test_text() {
-        let text = r#"
-a
-/* sdfs
-*/ b
-c // sdf
-d {}
-"#;
-        let paths = load_css_paths(text.as_bytes());
-        assert!(paths.children.contains(&CssPath::new("a b c d".to_owned())));
-    }
-
-    #[test]
-    fn test_comparison() {
-        let x = r#"
-a {
-    b {
-        c {}
-    }
-}
-"#;
-
-        let y = r#"
-a {
-    b {}
-}
-"#;
-
-        let against = load_css_paths(y.as_bytes());
-        let other = load_css_paths(x.as_bytes());
-
-        let mut ret = Vec::new();
-        get_differences(&against, &other, &mut ret);
-        assert!(ret.is_empty());
-        get_differences(&other, &against, &mut ret);
-        assert_eq!(ret, vec!["  Missing \"c\" rule".to_owned()]);
-    }
-
-    #[test]
-    fn check_empty_css() {
-        let events = load_css_events(&[]);
-        assert_eq!(events.len(), 0);
-    }
-
-    #[test]
-    fn check_invalid_css() {
-        let events = load_css_events(b"*");
-        assert_eq!(events.len(), 0);
-    }
-}
diff --git a/src/librustdoc/theme/tests.rs b/src/librustdoc/theme/tests.rs
new file mode 100644
index 00000000000..ab0935bc494
--- /dev/null
+++ b/src/librustdoc/theme/tests.rs
@@ -0,0 +1,102 @@
+use super::*;
+
+#[test]
+fn test_comments_in_rules() {
+    let text = r#"
+rule a {}
+
+rule b, c
+// a line comment
+{}
+
+rule d
+// another line comment
+e {}
+
+rule f/* a multine
+
+comment*/{}
+
+rule g/* another multine
+
+comment*/h
+
+i {}
+
+rule j/*commeeeeent
+
+you like things like "{}" in there? :)
+*/
+end {}"#;
+
+    let against = r#"
+rule a {}
+
+rule b, c {}
+
+rule d e {}
+
+rule f {}
+
+rule gh i {}
+
+rule j end {}
+"#;
+
+    let mut ret = Vec::new();
+    get_differences(&load_css_paths(against.as_bytes()),
+                    &load_css_paths(text.as_bytes()),
+                    &mut ret);
+    assert!(ret.is_empty());
+}
+
+#[test]
+fn test_text() {
+    let text = r#"
+a
+/* sdfs
+*/ b
+c // sdf
+d {}
+"#;
+    let paths = load_css_paths(text.as_bytes());
+    assert!(paths.children.contains(&CssPath::new("a b c d".to_owned())));
+}
+
+#[test]
+fn test_comparison() {
+    let x = r#"
+a {
+    b {
+        c {}
+    }
+}
+"#;
+
+    let y = r#"
+a {
+    b {}
+}
+"#;
+
+    let against = load_css_paths(y.as_bytes());
+    let other = load_css_paths(x.as_bytes());
+
+    let mut ret = Vec::new();
+    get_differences(&against, &other, &mut ret);
+    assert!(ret.is_empty());
+    get_differences(&other, &against, &mut ret);
+    assert_eq!(ret, vec!["  Missing \"c\" rule".to_owned()]);
+}
+
+#[test]
+fn check_empty_css() {
+    let events = load_css_events(&[]);
+    assert_eq!(events.len(), 0);
+}
+
+#[test]
+fn check_invalid_css() {
+    let events = load_css_events(b"*");
+    assert_eq!(events.len(), 0);
+}
diff --git a/src/tools/tidy/src/unit_tests.rs b/src/tools/tidy/src/unit_tests.rs
index f4de9bb07b5..751b54e000a 100644
--- a/src/tools/tidy/src/unit_tests.rs
+++ b/src/tools/tidy/src/unit_tests.rs
@@ -27,7 +27,6 @@ pub fn check(root_path: &Path, bad: &mut bool) {
     };
     let fixme = [
         "liballoc",
-        "librustdoc",
         "libstd",
         "libsyntax",
     ];
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-27 10:15:42 +0000