Rename rustdoc/test -> rustdoc/doctest

This modules contains the implementation of doctests, and not the
tests of rustdoc itself. This name is confusing, so let's rename it to
doctest for clarity.

src/librustdoc/html/markdown.rs

@@ -34,9 +34,9 @@
 use std::ops::Range;
 use std::str;
 
+use crate::doctest;
 use crate::html::highlight;
 use crate::html::toc::TocBuilder;
-use crate::test;
 
 use pulldown_cmark::{html, CodeBlockKind, CowStr, Event, Options, Parser, Tag};
 
@@ -243,7 +243,7 @@ fn next(&mut self) -> Option<Self::Item> {
                 .collect::<Vec<Cow<'_, str>>>()
                 .join("\n");
             let krate = krate.as_ref().map(|s| &**s);
-            let (test, _) = test::make_test(&test, krate, false, &Default::default(), edition);
+            let (test, _) = doctest::make_test(&test, krate, false, &Default::default(), edition);
             let channel = if test.contains("#![feature(") { "&amp;version=nightly" } else { "" };
 
             let edition_string = format!("&amp;edition={}", edition);
@@ -568,7 +568,7 @@ fn next(&mut self) -> Option<Self::Item> {
     }
 }
 
-pub fn find_testable_code<T: test::Tester>(
+pub fn find_testable_code<T: doctest::Tester>(
     doc: &str,
     tests: &mut T,
     error_codes: ErrorCodes,

src/librustdoc/lib.rs

@@ -64,13 +64,13 @@
 mod doctree;
 #[macro_use]
 mod error;
+mod doctest;
 mod fold;
 crate mod formats;
 pub mod html;
 mod json;
 mod markdown;
 mod passes;
-mod test;
 mod theme;
 mod visit_ast;
 mod visit_lib;
@@ -476,7 +476,7 @@ fn main_options(options: config::Options) -> MainResult {
 
     match (options.should_test, options.markdown_input()) {
         (true, true) => return wrap_return(&diag, markdown::test(options)),
-        (true, false) => return test::run(options),
+        (true, false) => return doctest::run(options),
         (false, true) => {
             return wrap_return(
                 &diag,

src/librustdoc/markdown.rs

@@ -7,10 +7,10 @@
 use rustc_span::source_map::DUMMY_SP;
 
 use crate::config::{Options, RenderOptions};
+use crate::doctest::{Collector, TestOptions};
 use crate::html::escape::Escape;
 use crate::html::markdown;
 use crate::html::markdown::{find_testable_code, ErrorCodes, IdMap, Markdown, MarkdownWithToc};
-use crate::test::{Collector, TestOptions};
 
 /// Separate any lines at the start of the file that begin with `# ` or `%`.
 fn extract_leading_metadata(s: &str) -> (Vec<&str>, &str) {

src/librustdoc/passes/doc_test_lints.rs

@@ -54,7 +54,7 @@ pub(crate) fn new() -> Tests {
     }
 }
 
-impl crate::test::Tester for Tests {
+impl crate::doctest::Tester for Tests {
     fn add_test(&mut self, _: String, _: LangString, _: usize) {
         self.found_tests += 1;
     }