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Remap instrument-coverage line numbers in doctests
This uses the `SourceMap::doctest_offset_line` method to re-map line numbers from doctests. Remapping columns is not yet done. Part of issue #79417.
This commit is contained in:
Arpad Borsos
parent
3d9ada686f
commit
830ceaa419
@ -30,6 +30,7 @@ use rustc_middle::mir::{
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};
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use rustc_middle::ty::TyCtxt;
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use rustc_span::def_id::DefId;
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use rustc_span::source_map::SourceMap;
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use rustc_span::{CharPos, Pos, SourceFile, Span, Symbol};
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/// A simple error message wrapper for `coverage::Error`s.
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@ -311,7 +312,7 @@ impl<'a, 'tcx> Instrumentor<'a, 'tcx> {
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self.mir_body,
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counter_kind,
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self.bcb_leader_bb(bcb),
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Some(make_code_region(file_name, &self.source_file, span, body_span)),
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Some(make_code_region(source_map, file_name, &self.source_file, span, body_span)),
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);
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}
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}
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@ -489,6 +490,7 @@ fn inject_intermediate_expression(mir_body: &mut mir::Body<'tcx>, expression: Co
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/// Convert the Span into its file name, start line and column, and end line and column
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fn make_code_region(
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source_map: &SourceMap,
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file_name: Symbol,
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source_file: &Lrc<SourceFile>,
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span: Span,
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@ -508,6 +510,8 @@ fn make_code_region(
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} else {
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source_file.lookup_file_pos(span.hi())
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};
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let start_line = source_map.doctest_offset_line(&source_file.name, start_line);
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let end_line = source_map.doctest_offset_line(&source_file.name, end_line);
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CodeRegion {
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file_name,
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start_line: start_line as u32,
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@ -182,7 +182,7 @@ impl std::fmt::Display for FileName {
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use FileName::*;
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match *self {
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Real(RealFileName::Named(ref path)) => write!(fmt, "{}", path.display()),
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// FIXME: might be nice to display both compoments of Devirtualized.
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// FIXME: might be nice to display both components of Devirtualized.
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// But for now (to backport fix for issue #70924), best to not
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// perturb diagnostics so its obvious test suite still works.
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Real(RealFileName::Devirtualized { ref local_path, virtual_name: _ }) => {
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@ -247,9 +247,10 @@ fn run_test(
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edition: Edition,
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outdir: DirState,
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path: PathBuf,
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test_id: &str,
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) -> Result<(), TestFailure> {
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let (test, line_offset, supports_color) =
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make_test(test, Some(cratename), as_test_harness, opts, edition);
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make_test(test, Some(cratename), as_test_harness, opts, edition, Some(test_id));
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let output_file = outdir.path().join("rust_out");
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@ -387,6 +388,7 @@ crate fn make_test(
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dont_insert_main: bool,
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opts: &TestOptions,
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edition: Edition,
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test_id: Option<&str>,
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) -> (String, usize, bool) {
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let (crate_attrs, everything_else, crates) = partition_source(s);
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let everything_else = everything_else.trim();
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@ -542,16 +544,40 @@ crate fn make_test(
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prog.push_str(everything_else);
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} else {
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let returns_result = everything_else.trim_end().ends_with("(())");
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// Give each doctest main function a unique name.
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// This is for example needed for the tooling around `-Z instrument-coverage`.
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let inner_fn_name = if let Some(test_id) = test_id {
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format!("_doctest_main_{}", test_id)
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} else {
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"_inner".into()
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};
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let (main_pre, main_post) = if returns_result {
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(
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"fn main() { fn _inner() -> Result<(), impl core::fmt::Debug> {",
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"}\n_inner().unwrap() }",
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format!(
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"fn main() {{ fn {}() -> Result<(), impl core::fmt::Debug> {{\n",
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inner_fn_name
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),
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format!("\n}}; {}().unwrap() }}", inner_fn_name),
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)
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} else if test_id.is_some() {
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(
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format!("fn main() {{ fn {}() {{\n", inner_fn_name),
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format!("\n}}; {}() }}", inner_fn_name),
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)
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} else {
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("fn main() {\n", "\n}")
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("fn main() {\n".into(), "\n}".into())
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};
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prog.extend([main_pre, everything_else, main_post].iter().cloned());
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// Note on newlines: We insert a line/newline *before*, and *after*
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// the doctest and adjust the `line_offset` accordingly.
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// In the case of `-Z instrument-coverage`, this means that the generated
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// inner `main` function spans from the doctest opening codeblock to the
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// closing one. For example
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// /// ``` <- start of the inner main
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// /// <- code under doctest
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// /// ``` <- end of the inner main
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line_offset += 1;
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prog.extend([&main_pre, everything_else, &main_post].iter().cloned());
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}
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debug!("final doctest:\n{}", prog);
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@ -749,28 +775,24 @@ impl Tester for Collector {
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_ => PathBuf::from(r"doctest.rs"),
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};
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// For example `module/file.rs` would become `module_file_rs`
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let file = filename
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.to_string()
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.chars()
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.map(|c| if c.is_ascii_alphanumeric() { c } else { '_' })
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.collect::<String>();
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let test_id = format!(
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"{file}_{line}_{number}",
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file = file,
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line = line,
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number = {
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// Increases the current test number, if this file already
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// exists or it creates a new entry with a test number of 0.
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self.visited_tests.entry((file.clone(), line)).and_modify(|v| *v += 1).or_insert(0)
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},
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);
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let outdir = if let Some(mut path) = options.persist_doctests.clone() {
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// For example `module/file.rs` would become `module_file_rs`
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let folder_name = filename
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.to_string()
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.chars()
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.map(|c| if c == '\\' || c == '/' || c == '.' { '_' } else { c })
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.collect::<String>();
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path.push(format!(
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"{krate}_{file}_{line}_{number}",
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krate = cratename,
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file = folder_name,
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line = line,
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number = {
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// Increases the current test number, if this file already
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// exists or it creates a new entry with a test number of 0.
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self.visited_tests
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.entry((folder_name.clone(), line))
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.and_modify(|v| *v += 1)
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.or_insert(0)
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},
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));
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path.push(&test_id);
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std::fs::create_dir_all(&path)
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.expect("Couldn't create directory for doctest executables");
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@ -817,6 +839,7 @@ impl Tester for Collector {
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edition,
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outdir,
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path,
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&test_id,
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);
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if let Err(err) = res {
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@ -11,7 +11,7 @@ fn main() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -26,7 +26,7 @@ fn main() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -44,7 +44,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 3));
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}
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@ -61,7 +61,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -79,7 +79,7 @@ use std::*;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("std"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("std"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -98,7 +98,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -115,7 +115,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -134,7 +134,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 3));
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// Adding more will also bump the returned line offset.
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@ -147,7 +147,7 @@ use asdf::qwop;
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 4));
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}
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@ -164,7 +164,7 @@ fn main() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -180,7 +180,7 @@ fn main() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 1));
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}
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@ -196,7 +196,7 @@ fn main() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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@ -210,7 +210,7 @@ assert_eq!(2+2, 4);";
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//Ceci n'est pas une `fn main`
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assert_eq!(2+2, 4);"
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.to_string();
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let (output, len, _) = make_test(input, None, true, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, true, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 1));
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}
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@ -224,7 +224,7 @@ fn make_test_display_warnings() {
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assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 1));
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}
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@ -242,7 +242,7 @@ assert_eq!(2+2, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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let input = "extern crate hella_qwop;
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@ -256,7 +256,7 @@ assert_eq!(asdf::foo, 4);
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("asdf"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 3));
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}
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@ -274,6 +274,41 @@ test_wrapper! {
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}"
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.to_string();
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let (output, len, _) = make_test(input, Some("my_crate"), false, &opts, DEFAULT_EDITION);
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let (output, len, _) = make_test(input, Some("my_crate"), false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 1));
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}
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#[test]
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fn make_test_returns_result() {
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// creates an inner function and unwraps it
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let opts = TestOptions::default();
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let input = "use std::io;
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let mut input = String::new();
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io::stdin().read_line(&mut input)?;
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Ok::<(), io:Error>(())";
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let expected = "#![allow(unused)]
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fn main() { fn _inner() -> Result<(), impl core::fmt::Debug> {
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use std::io;
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let mut input = String::new();
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io::stdin().read_line(&mut input)?;
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Ok::<(), io:Error>(())
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}; _inner().unwrap() }"
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.to_string();
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let (output, len, _) = make_test(input, None, false, &opts, DEFAULT_EDITION, None);
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assert_eq!((output, len), (expected, 2));
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}
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#[test]
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fn make_test_named_wrapper() {
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// creates an inner function with a specific name
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let opts = TestOptions::default();
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let input = "assert_eq!(2+2, 4);";
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let expected = "#![allow(unused)]
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fn main() { fn _doctest_main_some_unique_name() {
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assert_eq!(2+2, 4);
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}; _doctest_main_some_unique_name() }"
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.to_string();
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let (output, len, _) =
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make_test(input, None, false, &opts, DEFAULT_EDITION, Some("some_unique_name"));
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assert_eq!((output, len), (expected, 2));
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}
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@ -248,7 +248,7 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'_, 'a, I> {
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.join("\n");
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let krate = krate.as_ref().map(|s| &**s);
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let (test, _, _) =
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doctest::make_test(&test, krate, false, &Default::default(), edition);
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doctest::make_test(&test, krate, false, &Default::default(), edition, None);
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let channel = if test.contains("#![feature(") { "&version=nightly" } else { "" };
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let edition_string = format!("&edition={}", edition);
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@ -98,7 +98,7 @@ endif
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# Run it in order to generate some profiling data,
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# with `LLVM_PROFILE_FILE=<profdata_file>` environment variable set to
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# output the coverage stats for this run.
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LLVM_PROFILE_FILE="$(TMPDIR)"/$@.profraw \
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LLVM_PROFILE_FILE="$(TMPDIR)"/$@-%p.profraw \
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$(call RUN,$@) || \
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( \
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status=$$?; \
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@ -108,9 +108,16 @@ endif
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) \
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)
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# Run it through rustdoc as well to cover doctests
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LLVM_PROFILE_FILE="$(TMPDIR)"/$@-%p.profraw \
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$(RUSTDOC) --crate-name workaround_for_79771 --test $(SOURCEDIR)/$@.rs \
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$$( grep -q '^\/\/ require-rust-edition-2018' $(SOURCEDIR)/$@.rs && echo "--edition=2018" ) \
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-L "$(TMPDIR)" -Zinstrument-coverage \
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-Z unstable-options --persist-doctests=$(TMPDIR)/rustdoc-$@
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# Postprocess the profiling data so it can be used by the llvm-cov tool
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"$(LLVM_BIN_DIR)"/llvm-profdata merge --sparse \
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"$(TMPDIR)"/$@.profraw \
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"$(TMPDIR)"/$@-*.profraw \
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-o "$(TMPDIR)"/$@.profdata
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# Generate a coverage report using `llvm-cov show`.
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@ -121,8 +128,15 @@ endif
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--show-line-counts-or-regions \
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--instr-profile="$(TMPDIR)"/$@.profdata \
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$(call BIN,"$(TMPDIR)"/$@) \
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> "$(TMPDIR)"/actual_show_coverage.$@.txt \
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2> "$(TMPDIR)"/show_coverage_stderr.$@.txt || \
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$$( \
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for file in $(TMPDIR)/rustdoc-$@/*/rust_out; \
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do \
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[[ -x $$file ]] && printf "%s %s " -object $$file; \
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done \
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) \
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||||
2> "$(TMPDIR)"/show_coverage_stderr.$@.txt \
|
||||
| "$(PYTHON)" $(BASEDIR)/normalize_paths.py \
|
||||
> "$(TMPDIR)"/actual_show_coverage.$@.txt || \
|
||||
( status=$$? ; \
|
||||
>&2 cat "$(TMPDIR)"/show_coverage_stderr.$@.txt ; \
|
||||
exit $$status \
|
||||
|
||||
@ -0,0 +1,79 @@
|
||||
../coverage/doctest.rs:
|
||||
1| |//! This test ensures that code from doctests is properly re-mapped.
|
||||
2| |//! See <https://github.com/rust-lang/rust/issues/79417> for more info.
|
||||
3| |//!
|
||||
4| |//! Just some random code:
|
||||
5| 1|//! ```
|
||||
6| 1|//! if true {
|
||||
7| |//! // this is executed!
|
||||
8| 1|//! assert_eq!(1, 1);
|
||||
9| |//! } else {
|
||||
10| |//! // this is not!
|
||||
11| |//! assert_eq!(1, 2);
|
||||
12| |//! }
|
||||
13| 1|//! ```
|
||||
14| |//!
|
||||
15| |//! doctest testing external code:
|
||||
16| |//! ```
|
||||
17| 1|//! extern crate doctest_crate;
|
||||
18| 1|//! doctest_crate::fn_run_in_doctests(1);
|
||||
19| 1|//! ```
|
||||
20| |//!
|
||||
21| |//! doctest returning a result:
|
||||
22| 1|//! ```
|
||||
23| 1|//! #[derive(Debug)]
|
||||
24| 1|//! struct SomeError;
|
||||
25| 1|//! let mut res = Err(SomeError);
|
||||
26| 1|//! if res.is_ok() {
|
||||
27| 0|//! res?;
|
||||
28| 1|//! } else {
|
||||
29| 1|//! res = Ok(0);
|
||||
30| 1|//! }
|
||||
31| |//! // need to be explicit because rustdoc cant infer the return type
|
||||
32| 1|//! Ok::<(), SomeError>(())
|
||||
33| 1|//! ```
|
||||
34| |//!
|
||||
35| |//! doctest with custom main:
|
||||
36| |//! ```
|
||||
37| |//! #[derive(Debug)]
|
||||
38| |//! struct SomeError;
|
||||
39| |//!
|
||||
40| |//! extern crate doctest_crate;
|
||||
41| |//!
|
||||
42| 1|//! fn doctest_main() -> Result<(), SomeError> {
|
||||
43| 1|//! doctest_crate::fn_run_in_doctests(2);
|
||||
44| 1|//! Ok(())
|
||||
45| 1|//! }
|
||||
46| |//!
|
||||
47| |//! // this `main` is not shown as covered, as it clashes with all the other
|
||||
48| |//! // `main` functions that were automatically generated for doctests
|
||||
49| |//! fn main() -> Result<(), SomeError> {
|
||||
50| |//! doctest_main()
|
||||
51| |//! }
|
||||
52| |//! ```
|
||||
53| |
|
||||
54| |/// doctest attached to fn testing external code:
|
||||
55| |/// ```
|
||||
56| 1|/// extern crate doctest_crate;
|
||||
57| 1|/// doctest_crate::fn_run_in_doctests(3);
|
||||
58| 1|/// ```
|
||||
59| |///
|
||||
60| 1|fn main() {
|
||||
61| 1| if true {
|
||||
62| 1| assert_eq!(1, 1);
|
||||
63| | } else {
|
||||
64| | assert_eq!(1, 2);
|
||||
65| | }
|
||||
66| 1|}
|
||||
|
||||
../coverage/lib/doctest_crate.rs:
|
||||
1| |/// A function run only from within doctests
|
||||
2| 3|pub fn fn_run_in_doctests(conditional: usize) {
|
||||
3| 3| match conditional {
|
||||
4| 1| 1 => assert_eq!(1, 1), // this is run,
|
||||
5| 1| 2 => assert_eq!(1, 1), // this,
|
||||
6| 1| 3 => assert_eq!(1, 1), // and this too
|
||||
7| 0| _ => assert_eq!(1, 2), // however this is not
|
||||
8| | }
|
||||
9| 3|}
|
||||
|
||||
@ -19,12 +19,12 @@
|
||||
18| 2| println!("used_only_from_bin_crate_generic_function with {:?}", arg);
|
||||
19| 2|}
|
||||
------------------
|
||||
| used_crate::used_only_from_bin_crate_generic_function::<&str>:
|
||||
| used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
|
||||
| 17| 1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
|
||||
| 18| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg);
|
||||
| 19| 1|}
|
||||
------------------
|
||||
| used_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
|
||||
| used_crate::used_only_from_bin_crate_generic_function::<&str>:
|
||||
| 17| 1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
|
||||
| 18| 1| println!("used_only_from_bin_crate_generic_function with {:?}", arg);
|
||||
| 19| 1|}
|
||||
|
||||
@ -0,0 +1,10 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
import sys
|
||||
|
||||
# Normalize file paths in output
|
||||
for line in sys.stdin:
|
||||
if line.startswith("..") and line.rstrip().endswith(".rs:"):
|
||||
print(line.replace("\\", "/"), end='')
|
||||
else:
|
||||
print(line, end='')
|
||||
@ -0,0 +1,127 @@
|
||||
<!DOCTYPE html>
|
||||
<!--
|
||||
|
||||
Preview this file as rendered HTML from the github source at:
|
||||
https://htmlpreview.github.io/?https://github.com/rust-lang/rust/blob/master/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest/doctest.main.-------.InstrumentCoverage.0.html
|
||||
|
||||
For revisions in Pull Requests (PR):
|
||||
* Replace "rust-lang" with the github PR author
|
||||
* Replace "master" with the PR branch name
|
||||
|
||||
-->
|
||||
<html>
|
||||
<head>
|
||||
<title>doctest.main - Coverage Spans</title>
|
||||
<style>
|
||||
.line {
|
||||
counter-increment: line;
|
||||
}
|
||||
.line:before {
|
||||
content: counter(line) ": ";
|
||||
font-family: Menlo, Monaco, monospace;
|
||||
font-style: italic;
|
||||
width: 3.8em;
|
||||
display: inline-block;
|
||||
text-align: right;
|
||||
filter: opacity(50%);
|
||||
-webkit-user-select: none;
|
||||
}
|
||||
.code {
|
||||
color: #dddddd;
|
||||
background-color: #222222;
|
||||
font-family: Menlo, Monaco, monospace;
|
||||
line-height: 1.4em;
|
||||
border-bottom: 2px solid #222222;
|
||||
white-space: pre;
|
||||
display: inline-block;
|
||||
}
|
||||
.odd {
|
||||
background-color: #55bbff;
|
||||
color: #223311;
|
||||
}
|
||||
.even {
|
||||
background-color: #ee7756;
|
||||
color: #551133;
|
||||
}
|
||||
.code {
|
||||
--index: calc(var(--layer) - 1);
|
||||
padding-top: calc(var(--index) * 0.15em);
|
||||
filter:
|
||||
hue-rotate(calc(var(--index) * 25deg))
|
||||
saturate(calc(100% - (var(--index) * 2%)))
|
||||
brightness(calc(100% - (var(--index) * 1.5%)));
|
||||
}
|
||||
.annotation {
|
||||
color: #4444ff;
|
||||
font-family: monospace;
|
||||
font-style: italic;
|
||||
display: none;
|
||||
-webkit-user-select: none;
|
||||
}
|
||||
body:active .annotation {
|
||||
/* requires holding mouse down anywhere on the page */
|
||||
display: inline-block;
|
||||
}
|
||||
span:hover .annotation {
|
||||
/* requires hover over a span ONLY on its first line */
|
||||
display: inline-block;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div class="code" style="counter-reset: line 59"><span class="line"><span><span class="code even" style="--layer: 1"><span class="annotation">@0⦊</span>fn main() <span class="annotation">⦉@0</span></span></span><span class="code" style="--layer: 0">{</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> if </span><span><span class="code even" style="--layer: 1" title="61:8-61:12: @0[1]: _1 = const true
|
||||
61:8-61:12: @0[2]: FakeRead(ForMatchedPlace, _1)"><span class="annotation">@0⦊</span>true<span class="annotation">⦉@0</span></span></span><span class="code" style="--layer: 0"> {</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> </span><span><span class="code odd" style="--layer: 1" title="62:9-62:26: @5[0]: _2 = const ()"><span class="annotation">@5⦊</span></span></span><span class="code even" style="--layer: 2" title="62:9-62:26: @6[5]: _75 = const main::promoted[3]
|
||||
62:9-62:26: @6[6]: _18 = &(*_75)
|
||||
62:9-62:26: @6[7]: _17 = &(*_18)
|
||||
62:9-62:26: @6[8]: _16 = move _17 as &[&str] (Pointer(Unsize))
|
||||
62:9-62:26: @6[17]: _26 = &(*_8)
|
||||
62:9-62:26: @6[18]: _25 = &_26
|
||||
62:9-62:26: @6[21]: _28 = &(*_9)
|
||||
62:9-62:26: @6[22]: _27 = &_28
|
||||
62:9-62:26: @6[23]: _24 = (move _25, move _27)
|
||||
62:9-62:26: @6[26]: FakeRead(ForMatchedPlace, _24)
|
||||
62:9-62:26: @6[28]: _29 = (_24.0: &&i32)
|
||||
62:9-62:26: @6[30]: _30 = (_24.1: &&i32)
|
||||
62:9-62:26: @6[33]: _32 = &(*_29)
|
||||
62:9-62:26: @6[35]: _33 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
62:9-62:26: @6.Call: _31 = ArgumentV1::new::<&i32>(move _32, move _33) -> [return: bb7, unwind: bb17]
|
||||
62:9-62:26: @7[4]: _35 = &(*_30)
|
||||
62:9-62:26: @7[6]: _36 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
62:9-62:26: @7.Call: _34 = ArgumentV1::new::<&i32>(move _35, move _36) -> [return: bb8, unwind: bb17]
|
||||
62:9-62:26: @8[2]: _23 = [move _31, move _34]
|
||||
62:9-62:26: @8[7]: _22 = &_23
|
||||
62:9-62:26: @8[8]: _21 = &(*_22)
|
||||
62:9-62:26: @8[9]: _20 = move _21 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
62:9-62:26: @8.Call: _15 = Arguments::new_v1(move _16, move _20) -> [return: bb9, unwind: bb17]
|
||||
62:9-62:26: @9.Call: core::panicking::panic_fmt(move _15) -> bb17"><span class="annotation">@4,6,7,8,9⦊</span>assert_eq!(1, 1);<span class="annotation">⦉@4,6,7,8,9</span></span><span><span class="code odd" style="--layer: 1" title="62:9-62:26: @5[0]: _2 = const ()"><span class="annotation">⦉@5</span></span></span><span class="code" style="--layer: 0"></span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> } else {</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> </span><span><span class="code even" style="--layer: 1" title="64:9-64:26: @11[0]: _37 = const ()"><span class="annotation">@11⦊</span></span></span><span class="code even" style="--layer: 2" title="64:9-64:26: @12[5]: _72 = const main::promoted[0]
|
||||
64:9-64:26: @12[6]: _53 = &(*_72)
|
||||
64:9-64:26: @12[7]: _52 = &(*_53)
|
||||
64:9-64:26: @12[8]: _51 = move _52 as &[&str] (Pointer(Unsize))
|
||||
64:9-64:26: @12[17]: _61 = &(*_43)
|
||||
64:9-64:26: @12[18]: _60 = &_61
|
||||
64:9-64:26: @12[21]: _63 = &(*_44)
|
||||
64:9-64:26: @12[22]: _62 = &_63
|
||||
64:9-64:26: @12[23]: _59 = (move _60, move _62)
|
||||
64:9-64:26: @12[26]: FakeRead(ForMatchedPlace, _59)
|
||||
64:9-64:26: @12[28]: _64 = (_59.0: &&i32)
|
||||
64:9-64:26: @12[30]: _65 = (_59.1: &&i32)
|
||||
64:9-64:26: @12[33]: _67 = &(*_64)
|
||||
64:9-64:26: @12[35]: _68 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
64:9-64:26: @12.Call: _66 = ArgumentV1::new::<&i32>(move _67, move _68) -> [return: bb13, unwind: bb17]
|
||||
64:9-64:26: @13[4]: _70 = &(*_65)
|
||||
64:9-64:26: @13[6]: _71 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
64:9-64:26: @13.Call: _69 = ArgumentV1::new::<&i32>(move _70, move _71) -> [return: bb14, unwind: bb17]
|
||||
64:9-64:26: @14[2]: _58 = [move _66, move _69]
|
||||
64:9-64:26: @14[7]: _57 = &_58
|
||||
64:9-64:26: @14[8]: _56 = &(*_57)
|
||||
64:9-64:26: @14[9]: _55 = move _56 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
64:9-64:26: @14.Call: _50 = Arguments::new_v1(move _51, move _55) -> [return: bb15, unwind: bb17]
|
||||
64:9-64:26: @15.Call: core::panicking::panic_fmt(move _50) -> bb17"><span class="annotation">@10,12,13,14,15⦊</span>assert_eq!(1, 2);<span class="annotation">⦉@10,12,13,14,15</span></span><span><span class="code even" style="--layer: 1" title="64:9-64:26: @11[0]: _37 = const ()"><span class="annotation">⦉@11</span></span></span><span class="code" style="--layer: 0"></span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> }</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0">}</span><span><span class="code odd" style="--layer: 1" title="66:2-66:2: @16.Return: return"><span class="annotation">@16⦊</span>‸<span class="annotation">⦉@16</span></span></span></span></div>
|
||||
</body>
|
||||
</html>
|
||||
@ -0,0 +1,173 @@
|
||||
<!DOCTYPE html>
|
||||
<!--
|
||||
|
||||
Preview this file as rendered HTML from the github source at:
|
||||
https://htmlpreview.github.io/?https://github.com/rust-lang/rust/blob/master/src/test/run-make-fulldeps/coverage-spanview/expected_mir_dump.doctest_crate/doctest_crate.fn_run_in_doctests.-------.InstrumentCoverage.0.html
|
||||
|
||||
For revisions in Pull Requests (PR):
|
||||
* Replace "rust-lang" with the github PR author
|
||||
* Replace "master" with the PR branch name
|
||||
|
||||
-->
|
||||
<html>
|
||||
<head>
|
||||
<title>doctest_crate.fn_run_in_doctests - Coverage Spans</title>
|
||||
<style>
|
||||
.line {
|
||||
counter-increment: line;
|
||||
}
|
||||
.line:before {
|
||||
content: counter(line) ": ";
|
||||
font-family: Menlo, Monaco, monospace;
|
||||
font-style: italic;
|
||||
width: 3.8em;
|
||||
display: inline-block;
|
||||
text-align: right;
|
||||
filter: opacity(50%);
|
||||
-webkit-user-select: none;
|
||||
}
|
||||
.code {
|
||||
color: #dddddd;
|
||||
background-color: #222222;
|
||||
font-family: Menlo, Monaco, monospace;
|
||||
line-height: 1.4em;
|
||||
border-bottom: 2px solid #222222;
|
||||
white-space: pre;
|
||||
display: inline-block;
|
||||
}
|
||||
.odd {
|
||||
background-color: #55bbff;
|
||||
color: #223311;
|
||||
}
|
||||
.even {
|
||||
background-color: #ee7756;
|
||||
color: #551133;
|
||||
}
|
||||
.code {
|
||||
--index: calc(var(--layer) - 1);
|
||||
padding-top: calc(var(--index) * 0.15em);
|
||||
filter:
|
||||
hue-rotate(calc(var(--index) * 25deg))
|
||||
saturate(calc(100% - (var(--index) * 2%)))
|
||||
brightness(calc(100% - (var(--index) * 1.5%)));
|
||||
}
|
||||
.annotation {
|
||||
color: #4444ff;
|
||||
font-family: monospace;
|
||||
font-style: italic;
|
||||
display: none;
|
||||
-webkit-user-select: none;
|
||||
}
|
||||
body:active .annotation {
|
||||
/* requires holding mouse down anywhere on the page */
|
||||
display: inline-block;
|
||||
}
|
||||
span:hover .annotation {
|
||||
/* requires hover over a span ONLY on its first line */
|
||||
display: inline-block;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div class="code" style="counter-reset: line 1"><span class="line"><span><span class="code even" style="--layer: 1"><span class="annotation">@0⦊</span>pub fn fn_run_in_doctests(conditional: usize) <span class="annotation">⦉@0</span></span></span><span class="code" style="--layer: 0">{</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> match </span><span><span class="code even" style="--layer: 1" title="3:11-3:22: @0[0]: FakeRead(ForMatchedPlace, _1)"><span class="annotation">@0⦊</span>conditional<span class="annotation">⦉@0</span></span></span><span class="code" style="--layer: 0"> {</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> 1 => </span><span><span class="code odd" style="--layer: 1" title="4:14-4:30: @7[0]: _0 = const ()"><span class="annotation">@7⦊</span></span></span><span class="code even" style="--layer: 2" title="4:14-4:30: @8[5]: _138 = const fn_run_in_doctests::promoted[0]
|
||||
4:14-4:30: @8[6]: _17 = &(*_138)
|
||||
4:14-4:30: @8[7]: _16 = &(*_17)
|
||||
4:14-4:30: @8[8]: _15 = move _16 as &[&str] (Pointer(Unsize))
|
||||
4:14-4:30: @8[17]: _25 = &(*_7)
|
||||
4:14-4:30: @8[18]: _24 = &_25
|
||||
4:14-4:30: @8[21]: _27 = &(*_8)
|
||||
4:14-4:30: @8[22]: _26 = &_27
|
||||
4:14-4:30: @8[23]: _23 = (move _24, move _26)
|
||||
4:14-4:30: @8[26]: FakeRead(ForMatchedPlace, _23)
|
||||
4:14-4:30: @8[28]: _28 = (_23.0: &&i32)
|
||||
4:14-4:30: @8[30]: _29 = (_23.1: &&i32)
|
||||
4:14-4:30: @8[33]: _31 = &(*_28)
|
||||
4:14-4:30: @8[35]: _32 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
4:14-4:30: @8.Call: _30 = ArgumentV1::new::<&i32>(move _31, move _32) -> [return: bb9, unwind: bb33]
|
||||
4:14-4:30: @9[4]: _34 = &(*_29)
|
||||
4:14-4:30: @9[6]: _35 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
4:14-4:30: @9.Call: _33 = ArgumentV1::new::<&i32>(move _34, move _35) -> [return: bb10, unwind: bb33]
|
||||
4:14-4:30: @10[2]: _22 = [move _30, move _33]
|
||||
4:14-4:30: @10[7]: _21 = &_22
|
||||
4:14-4:30: @10[8]: _20 = &(*_21)
|
||||
4:14-4:30: @10[9]: _19 = move _20 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
4:14-4:30: @10.Call: _14 = Arguments::new_v1(move _15, move _19) -> [return: bb11, unwind: bb33]
|
||||
4:14-4:30: @11.Call: core::panicking::panic_fmt(move _14) -> bb33"><span class="annotation">@6,8,9,10,11⦊</span>assert_eq!(1, 1)<span class="annotation">⦉@6,8,9,10,11</span></span><span><span class="code odd" style="--layer: 1" title="4:14-4:30: @7[0]: _0 = const ()"><span class="annotation">⦉@7</span></span></span><span class="code" style="--layer: 0">, // this is run,</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> 2 => </span><span><span class="code even" style="--layer: 1" title="5:14-5:30: @14[0]: _0 = const ()"><span class="annotation">@14⦊</span></span></span><span class="code even" style="--layer: 2" title="5:14-5:30: @15[5]: _141 = const fn_run_in_doctests::promoted[3]
|
||||
5:14-5:30: @15[6]: _51 = &(*_141)
|
||||
5:14-5:30: @15[7]: _50 = &(*_51)
|
||||
5:14-5:30: @15[8]: _49 = move _50 as &[&str] (Pointer(Unsize))
|
||||
5:14-5:30: @15[17]: _59 = &(*_41)
|
||||
5:14-5:30: @15[18]: _58 = &_59
|
||||
5:14-5:30: @15[21]: _61 = &(*_42)
|
||||
5:14-5:30: @15[22]: _60 = &_61
|
||||
5:14-5:30: @15[23]: _57 = (move _58, move _60)
|
||||
5:14-5:30: @15[26]: FakeRead(ForMatchedPlace, _57)
|
||||
5:14-5:30: @15[28]: _62 = (_57.0: &&i32)
|
||||
5:14-5:30: @15[30]: _63 = (_57.1: &&i32)
|
||||
5:14-5:30: @15[33]: _65 = &(*_62)
|
||||
5:14-5:30: @15[35]: _66 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
5:14-5:30: @15.Call: _64 = ArgumentV1::new::<&i32>(move _65, move _66) -> [return: bb16, unwind: bb33]
|
||||
5:14-5:30: @16[4]: _68 = &(*_63)
|
||||
5:14-5:30: @16[6]: _69 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
5:14-5:30: @16.Call: _67 = ArgumentV1::new::<&i32>(move _68, move _69) -> [return: bb17, unwind: bb33]
|
||||
5:14-5:30: @17[2]: _56 = [move _64, move _67]
|
||||
5:14-5:30: @17[7]: _55 = &_56
|
||||
5:14-5:30: @17[8]: _54 = &(*_55)
|
||||
5:14-5:30: @17[9]: _53 = move _54 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
5:14-5:30: @17.Call: _48 = Arguments::new_v1(move _49, move _53) -> [return: bb18, unwind: bb33]
|
||||
5:14-5:30: @18.Call: core::panicking::panic_fmt(move _48) -> bb33"><span class="annotation">@13,15,16,17,18⦊</span>assert_eq!(1, 1)<span class="annotation">⦉@13,15,16,17,18</span></span><span><span class="code even" style="--layer: 1" title="5:14-5:30: @14[0]: _0 = const ()"><span class="annotation">⦉@14</span></span></span><span class="code" style="--layer: 0">, // this,</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> 3 => </span><span><span class="code odd" style="--layer: 1" title="6:14-6:30: @21[0]: _0 = const ()"><span class="annotation">@21⦊</span></span></span><span class="code even" style="--layer: 2" title="6:14-6:30: @22[5]: _144 = const fn_run_in_doctests::promoted[6]
|
||||
6:14-6:30: @22[6]: _85 = &(*_144)
|
||||
6:14-6:30: @22[7]: _84 = &(*_85)
|
||||
6:14-6:30: @22[8]: _83 = move _84 as &[&str] (Pointer(Unsize))
|
||||
6:14-6:30: @22[17]: _93 = &(*_75)
|
||||
6:14-6:30: @22[18]: _92 = &_93
|
||||
6:14-6:30: @22[21]: _95 = &(*_76)
|
||||
6:14-6:30: @22[22]: _94 = &_95
|
||||
6:14-6:30: @22[23]: _91 = (move _92, move _94)
|
||||
6:14-6:30: @22[26]: FakeRead(ForMatchedPlace, _91)
|
||||
6:14-6:30: @22[28]: _96 = (_91.0: &&i32)
|
||||
6:14-6:30: @22[30]: _97 = (_91.1: &&i32)
|
||||
6:14-6:30: @22[33]: _99 = &(*_96)
|
||||
6:14-6:30: @22[35]: _100 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
6:14-6:30: @22.Call: _98 = ArgumentV1::new::<&i32>(move _99, move _100) -> [return: bb23, unwind: bb33]
|
||||
6:14-6:30: @23[4]: _102 = &(*_97)
|
||||
6:14-6:30: @23[6]: _103 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
6:14-6:30: @23.Call: _101 = ArgumentV1::new::<&i32>(move _102, move _103) -> [return: bb24, unwind: bb33]
|
||||
6:14-6:30: @24[2]: _90 = [move _98, move _101]
|
||||
6:14-6:30: @24[7]: _89 = &_90
|
||||
6:14-6:30: @24[8]: _88 = &(*_89)
|
||||
6:14-6:30: @24[9]: _87 = move _88 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
6:14-6:30: @24.Call: _82 = Arguments::new_v1(move _83, move _87) -> [return: bb25, unwind: bb33]
|
||||
6:14-6:30: @25.Call: core::panicking::panic_fmt(move _82) -> bb33"><span class="annotation">@20,22,23,24,25⦊</span>assert_eq!(1, 1)<span class="annotation">⦉@20,22,23,24,25</span></span><span><span class="code odd" style="--layer: 1" title="6:14-6:30: @21[0]: _0 = const ()"><span class="annotation">⦉@21</span></span></span><span class="code" style="--layer: 0">, // and this too</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> _ => </span><span><span class="code even" style="--layer: 1" title="7:14-7:30: @27[0]: _0 = const ()"><span class="annotation">@27⦊</span></span></span><span class="code even" style="--layer: 2" title="7:14-7:30: @28[5]: _147 = const fn_run_in_doctests::promoted[9]
|
||||
7:14-7:30: @28[6]: _119 = &(*_147)
|
||||
7:14-7:30: @28[7]: _118 = &(*_119)
|
||||
7:14-7:30: @28[8]: _117 = move _118 as &[&str] (Pointer(Unsize))
|
||||
7:14-7:30: @28[17]: _127 = &(*_109)
|
||||
7:14-7:30: @28[18]: _126 = &_127
|
||||
7:14-7:30: @28[21]: _129 = &(*_110)
|
||||
7:14-7:30: @28[22]: _128 = &_129
|
||||
7:14-7:30: @28[23]: _125 = (move _126, move _128)
|
||||
7:14-7:30: @28[26]: FakeRead(ForMatchedPlace, _125)
|
||||
7:14-7:30: @28[28]: _130 = (_125.0: &&i32)
|
||||
7:14-7:30: @28[30]: _131 = (_125.1: &&i32)
|
||||
7:14-7:30: @28[33]: _133 = &(*_130)
|
||||
7:14-7:30: @28[35]: _134 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
7:14-7:30: @28.Call: _132 = ArgumentV1::new::<&i32>(move _133, move _134) -> [return: bb29, unwind: bb33]
|
||||
7:14-7:30: @29[4]: _136 = &(*_131)
|
||||
7:14-7:30: @29[6]: _137 = <&i32 as Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer))
|
||||
7:14-7:30: @29.Call: _135 = ArgumentV1::new::<&i32>(move _136, move _137) -> [return: bb30, unwind: bb33]
|
||||
7:14-7:30: @30[2]: _124 = [move _132, move _135]
|
||||
7:14-7:30: @30[7]: _123 = &_124
|
||||
7:14-7:30: @30[8]: _122 = &(*_123)
|
||||
7:14-7:30: @30[9]: _121 = move _122 as &[std::fmt::ArgumentV1] (Pointer(Unsize))
|
||||
7:14-7:30: @30.Call: _116 = Arguments::new_v1(move _117, move _121) -> [return: bb31, unwind: bb33]
|
||||
7:14-7:30: @31.Call: core::panicking::panic_fmt(move _116) -> bb33"><span class="annotation">@26,28,29,30,31⦊</span>assert_eq!(1, 2)<span class="annotation">⦉@26,28,29,30,31</span></span><span><span class="code even" style="--layer: 1" title="7:14-7:30: @27[0]: _0 = const ()"><span class="annotation">⦉@27</span></span></span><span class="code" style="--layer: 0">, // however this is not</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0"> }</span></span>
|
||||
<span class="line"><span class="code" style="--layer: 0">}</span><span><span class="code odd" style="--layer: 1" title="9:2-9:2: @32.Return: return"><span class="annotation">@32⦊</span>‸<span class="annotation">⦉@32</span></span></span></span></div>
|
||||
</body>
|
||||
</html>
|
||||
@ -1,3 +1,3 @@
|
||||
# Directory "instrument-coverage" supports the tests at prefix ../instrument-coverage-*
|
||||
# Directory "coverage" supports the tests at prefix ../coverage-*
|
||||
|
||||
# Use ./x.py [options] test src/test/run-make-fulldeps/instrument-coverage to run all related tests.
|
||||
# Use ./x.py [options] test src/test/run-make-fulldeps/coverage to run all related tests.
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
# Common Makefile include for Rust `run-make-fulldeps/instrument-coverage-* tests. Include this
|
||||
# Common Makefile include for Rust `run-make-fulldeps/coverage-* tests. Include this
|
||||
# file with the line:
|
||||
#
|
||||
# -include ../instrument-coverage/coverage_tools.mk
|
||||
# -include ../coverage/coverage_tools.mk
|
||||
|
||||
-include ../tools.mk
|
||||
|
||||
|
||||
66
src/test/run-make-fulldeps/coverage/doctest.rs
Normal file
66
src/test/run-make-fulldeps/coverage/doctest.rs
Normal file
@ -0,0 +1,66 @@
|
||||
//! This test ensures that code from doctests is properly re-mapped.
|
||||
//! See <https://github.com/rust-lang/rust/issues/79417> for more info.
|
||||
//!
|
||||
//! Just some random code:
|
||||
//! ```
|
||||
//! if true {
|
||||
//! // this is executed!
|
||||
//! assert_eq!(1, 1);
|
||||
//! } else {
|
||||
//! // this is not!
|
||||
//! assert_eq!(1, 2);
|
||||
//! }
|
||||
//! ```
|
||||
//!
|
||||
//! doctest testing external code:
|
||||
//! ```
|
||||
//! extern crate doctest_crate;
|
||||
//! doctest_crate::fn_run_in_doctests(1);
|
||||
//! ```
|
||||
//!
|
||||
//! doctest returning a result:
|
||||
//! ```
|
||||
//! #[derive(Debug)]
|
||||
//! struct SomeError;
|
||||
//! let mut res = Err(SomeError);
|
||||
//! if res.is_ok() {
|
||||
//! res?;
|
||||
//! } else {
|
||||
//! res = Ok(0);
|
||||
//! }
|
||||
//! // need to be explicit because rustdoc cant infer the return type
|
||||
//! Ok::<(), SomeError>(())
|
||||
//! ```
|
||||
//!
|
||||
//! doctest with custom main:
|
||||
//! ```
|
||||
//! #[derive(Debug)]
|
||||
//! struct SomeError;
|
||||
//!
|
||||
//! extern crate doctest_crate;
|
||||
//!
|
||||
//! fn doctest_main() -> Result<(), SomeError> {
|
||||
//! doctest_crate::fn_run_in_doctests(2);
|
||||
//! Ok(())
|
||||
//! }
|
||||
//!
|
||||
//! // this `main` is not shown as covered, as it clashes with all the other
|
||||
//! // `main` functions that were automatically generated for doctests
|
||||
//! fn main() -> Result<(), SomeError> {
|
||||
//! doctest_main()
|
||||
//! }
|
||||
//! ```
|
||||
|
||||
/// doctest attached to fn testing external code:
|
||||
/// ```
|
||||
/// extern crate doctest_crate;
|
||||
/// doctest_crate::fn_run_in_doctests(3);
|
||||
/// ```
|
||||
///
|
||||
fn main() {
|
||||
if true {
|
||||
assert_eq!(1, 1);
|
||||
} else {
|
||||
assert_eq!(1, 2);
|
||||
}
|
||||
}
|
||||
9
src/test/run-make-fulldeps/coverage/lib/doctest_crate.rs
Normal file
9
src/test/run-make-fulldeps/coverage/lib/doctest_crate.rs
Normal file
@ -0,0 +1,9 @@
|
||||
/// A function run only from within doctests
|
||||
pub fn fn_run_in_doctests(conditional: usize) {
|
||||
match conditional {
|
||||
1 => assert_eq!(1, 1), // this is run,
|
||||
2 => assert_eq!(1, 1), // this,
|
||||
3 => assert_eq!(1, 1), // and this too
|
||||
_ => assert_eq!(1, 2), // however this is not
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user