Add fix for tabs. Move error unit tests->ui tests
This commit is contained in:
Jonathan Turner
@@ -827,12 +827,7 @@ impl CodeMapper for CodeMap {
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#[cfg(test)]
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mod tests {
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use super::*;
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use errors::{Level, CodeSuggestion};
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use errors::emitter::EmitterWriter;
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use errors::snippet::{SnippetData, RenderedLine, FormatMode};
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use std::sync::{Arc, Mutex};
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use std::io::{self, Write};
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use std::str::from_utf8;
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use std::rc::Rc;
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#[test]
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@@ -1130,12 +1125,12 @@ mod tests {
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}
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}
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fn make_string(lines: &[RenderedLine]) -> String {
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fn make_string(lines: Vec<Vec<StyledString>>) -> String {
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lines.iter()
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.flat_map(|rl| {
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rl.text.iter()
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.map(|s| &s.text[..])
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.chain(Some("\n"))
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rl.iter()
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.map(|s| &s.text[..])
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.chain(Some("\n"))
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})
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.collect()
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}
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@@ -1219,761 +1214,4 @@ r"blork2.rs:2:1: 2:12
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";
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assert_eq!(sstr, res_str);
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}
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struct Sink(Arc<Mutex<Vec<u8>>>);
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impl Write for Sink {
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fn write(&mut self, data: &[u8]) -> io::Result<usize> {
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Write::write(&mut *self.0.lock().unwrap(), data)
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}
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fn flush(&mut self) -> io::Result<()> { Ok(()) }
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}
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// Diagnostic doesn't align properly in span where line number increases by one digit
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#[test]
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fn test_hilight_suggestion_issue_11715() {
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let data = Arc::new(Mutex::new(Vec::new()));
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let cm = Rc::new(CodeMap::new());
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let mut ew = EmitterWriter::new(Box::new(Sink(data.clone())),
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None,
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Some(cm.clone()),
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FormatMode::NewErrorFormat);
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let content = "abcdefg
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koksi
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line3
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line4
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cinq
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line6
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line7
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line8
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line9
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line10
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e-lä-vän
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tolv
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dreizehn
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";
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let file = cm.new_filemap_and_lines("dummy.txt", None, content);
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let start = file.lines.borrow()[10];
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let end = file.lines.borrow()[11];
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let sp = mk_sp(start, end);
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let lvl = Level::Error;
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println!("highlight_lines");
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ew.highlight_lines(&sp.into(), lvl).unwrap();
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println!("done");
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let vec = data.lock().unwrap().clone();
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let vec: &[u8] = &vec;
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let str = from_utf8(vec).unwrap();
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println!("r#\"\n{}\"#", str);
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assert_eq!(str, &r#"
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--> dummy.txt:11:1
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11 | e-lä-vän
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| ^
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"#[1..]);
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}
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#[test]
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fn test_single_span_splice() {
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// Test that a `MultiSpan` containing a single span splices a substition correctly
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let cm = CodeMap::new();
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let inputtext = "aaaaa\nbbbbBB\nCCC\nDDDDDddddd\neee\n";
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let selection = " \n ~~\n~~~\n~~~~~ \n \n";
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cm.new_filemap_and_lines("blork.rs", None, inputtext);
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let sp = span_from_selection(inputtext, selection);
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let msp: MultiSpan = sp.into();
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// check that we are extracting the text we thought we were extracting
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assert_eq!(&cm.span_to_snippet(sp).unwrap(), "BB\nCCC\nDDDDD");
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let substitute = "ZZZZZZ".to_owned();
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let expected = "bbbbZZZZZZddddd";
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let suggest = CodeSuggestion {
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msp: msp,
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substitutes: vec![substitute],
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};
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assert_eq!(suggest.splice_lines(&cm), expected);
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}
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#[test]
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fn test_multi_span_splice() {
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// Test that a `MultiSpan` containing multiple spans splices a substition correctly
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let cm = CodeMap::new();
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let inputtext = "aaaaa\nbbbbBB\nCCC\nDDDDDddddd\neee\n";
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let selection1 = " \n \n \n \n ~ \n"; // intentionally out of order
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let selection2 = " \n ~~\n~~~\n~~~~~ \n \n";
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cm.new_filemap_and_lines("blork.rs", None, inputtext);
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let sp1 = span_from_selection(inputtext, selection1);
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let sp2 = span_from_selection(inputtext, selection2);
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let msp: MultiSpan = MultiSpan::from_spans(vec![sp1, sp2]);
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let expected = "bbbbZZZZZZddddd\neXYZe";
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let suggest = CodeSuggestion {
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msp: msp,
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substitutes: vec!["ZZZZZZ".to_owned(),
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"XYZ".to_owned()]
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};
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assert_eq!(suggest.splice_lines(&cm), expected);
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}
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#[test]
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fn test_multispan_highlight() {
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let data = Arc::new(Mutex::new(Vec::new()));
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let cm = Rc::new(CodeMap::new());
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let mut diag = EmitterWriter::new(Box::new(Sink(data.clone())),
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None,
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Some(cm.clone()),
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FormatMode::NewErrorFormat);
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let inp = "_____aaaaaa____bbbbbb__cccccdd_";
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let sp1 = " ~~~~~~ ";
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let sp2 = " ~~~~~~ ";
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let sp3 = " ~~~~~ ";
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let sp4 = " ~~~~ ";
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let sp34 = " ~~~~~~~ ";
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let expect_start = &r#"
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--> dummy.txt:1:6
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1 | _____aaaaaa____bbbbbb__cccccdd_
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| ^^^^^^ ^^^^^^ ^^^^^^^
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"#[1..];
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let span = |sp, expected| {
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let sp = span_from_selection(inp, sp);
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assert_eq!(&cm.span_to_snippet(sp).unwrap(), expected);
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sp
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};
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cm.new_filemap_and_lines("dummy.txt", None, inp);
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let sp1 = span(sp1, "aaaaaa");
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let sp2 = span(sp2, "bbbbbb");
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let sp3 = span(sp3, "ccccc");
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let sp4 = span(sp4, "ccdd");
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let sp34 = span(sp34, "cccccdd");
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let spans = vec![sp1, sp2, sp3, sp4];
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let test = |expected, highlight: &mut FnMut()| {
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data.lock().unwrap().clear();
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highlight();
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let vec = data.lock().unwrap().clone();
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let actual = from_utf8(&vec[..]).unwrap();
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println!("actual=\n{}", actual);
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assert_eq!(actual, expected);
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};
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let msp = MultiSpan::from_spans(vec![sp1, sp2, sp34]);
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test(expect_start, &mut || {
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diag.highlight_lines(&msp, Level::Error).unwrap();
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});
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test(expect_start, &mut || {
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let msp = MultiSpan::from_spans(spans.clone());
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diag.highlight_lines(&msp, Level::Error).unwrap();
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});
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}
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#[test]
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fn test_huge_multispan_highlight() {
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let data = Arc::new(Mutex::new(Vec::new()));
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let cm = Rc::new(CodeMap::new());
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let mut diag = EmitterWriter::new(Box::new(Sink(data.clone())),
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None,
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Some(cm.clone()),
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FormatMode::NewErrorFormat);
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let inp = "aaaaa\n\
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aaaaa\n\
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aaaaa\n\
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bbbbb\n\
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ccccc\n\
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xxxxx\n\
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yyyyy\n\
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_____\n\
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ddd__eee_\n\
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elided\n\
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__f_gg";
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let file = cm.new_filemap_and_lines("dummy.txt", None, inp);
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let span = |lo, hi, (off_lo, off_hi)| {
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let lines = file.lines.borrow();
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let (mut lo, mut hi): (BytePos, BytePos) = (lines[lo], lines[hi]);
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lo.0 += off_lo;
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hi.0 += off_hi;
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mk_sp(lo, hi)
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};
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let sp0 = span(4, 6, (0, 5));
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let sp1 = span(0, 6, (0, 5));
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let sp2 = span(8, 8, (0, 3));
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let sp3 = span(8, 8, (5, 8));
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let sp4 = span(10, 10, (2, 3));
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let sp5 = span(10, 10, (4, 6));
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let expect0 = &r#"
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--> dummy.txt:5:1
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5 | ccccc
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| ^
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...
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9 | ddd__eee_
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| ^^^ ^^^
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10 | elided
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11 | __f_gg
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| ^ ^^
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"#[1..];
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let expect = &r#"
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--> dummy.txt:1:1
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1 | aaaaa
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| ^
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...
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9 | ddd__eee_
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| ^^^ ^^^
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10 | elided
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11 | __f_gg
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| ^ ^^
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"#[1..];
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macro_rules! test {
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($expected: expr, $highlight: expr) => ({
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data.lock().unwrap().clear();
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$highlight();
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let vec = data.lock().unwrap().clone();
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let actual = from_utf8(&vec[..]).unwrap();
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println!("actual:");
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println!("{}", actual);
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println!("expected:");
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println!("{}", $expected);
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assert_eq!(&actual[..], &$expected[..]);
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});
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}
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let msp0 = MultiSpan::from_spans(vec![sp0, sp2, sp3, sp4, sp5]);
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let msp = MultiSpan::from_spans(vec![sp1, sp2, sp3, sp4, sp5]);
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test!(expect0, || {
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diag.highlight_lines(&msp0, Level::Error).unwrap();
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});
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test!(expect, || {
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diag.highlight_lines(&msp, Level::Error).unwrap();
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});
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}
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#[test]
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fn tab() {
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let file_text = "
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fn foo() {
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\tbar;
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}
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";
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let cm = Rc::new(CodeMap::new());
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let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
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let span_bar = cm.span_substr(&foo, file_text, "bar", 0);
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let mut snippet = SnippetData::new(cm, Some(span_bar), FormatMode::NewErrorFormat);
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snippet.push(span_bar, true, None);
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let lines = snippet.render_lines();
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let text = make_string(&lines);
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assert_eq!(&text[..], &"
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--> foo.rs:3:2
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3 | \tbar;
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| \t^^^
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"[1..]);
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}
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#[test]
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fn one_line() {
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let file_text = r#"
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fn foo() {
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vec.push(vec.pop().unwrap());
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}
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"#;
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let cm = Rc::new(CodeMap::new());
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let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
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let span_vec0 = cm.span_substr(&foo, file_text, "vec", 0);
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let span_vec1 = cm.span_substr(&foo, file_text, "vec", 1);
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let span_semi = cm.span_substr(&foo, file_text, ";", 0);
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let mut snippet = SnippetData::new(cm, None, FormatMode::NewErrorFormat);
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snippet.push(span_vec0, false, Some(format!("previous borrow of `vec` occurs here")));
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snippet.push(span_vec1, false, Some(format!("error occurs here")));
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snippet.push(span_semi, false, Some(format!("previous borrow ends here")));
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let lines = snippet.render_lines();
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println!("{:#?}", lines);
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let text: String = make_string(&lines);
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println!("text=\n{}", text);
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assert_eq!(&text[..], &r#"
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::: foo.rs
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3 | vec.push(vec.pop().unwrap());
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| --- --- - previous borrow ends here
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| | |
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| | error occurs here
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| previous borrow of `vec` occurs here
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"#[1..]);
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}
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#[test]
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fn two_files() {
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let file_text_foo = r#"
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fn foo() {
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vec.push(vec.pop().unwrap());
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}
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"#;
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let file_text_bar = r#"
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fn bar() {
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// these blank links here
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// serve to ensure that the line numbers
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// from bar.rs
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// require more digits
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vec.push();
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// this line will get elided
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vec.pop().unwrap());
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}
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"#;
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let cm = Rc::new(CodeMap::new());
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let foo_map = cm.new_filemap_and_lines("foo.rs", None, file_text_foo);
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let span_foo_vec0 = cm.span_substr(&foo_map, file_text_foo, "vec", 0);
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let span_foo_vec1 = cm.span_substr(&foo_map, file_text_foo, "vec", 1);
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let span_foo_semi = cm.span_substr(&foo_map, file_text_foo, ";", 0);
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let bar_map = cm.new_filemap_and_lines("bar.rs", None, file_text_bar);
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let span_bar_vec0 = cm.span_substr(&bar_map, file_text_bar, "vec", 0);
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let span_bar_vec1 = cm.span_substr(&bar_map, file_text_bar, "vec", 1);
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let span_bar_semi = cm.span_substr(&bar_map, file_text_bar, ";", 0);
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let mut snippet = SnippetData::new(cm, Some(span_foo_vec1), FormatMode::NewErrorFormat);
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snippet.push(span_foo_vec0, false, Some(format!("a")));
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snippet.push(span_foo_vec1, true, Some(format!("b")));
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snippet.push(span_foo_semi, false, Some(format!("c")));
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snippet.push(span_bar_vec0, false, Some(format!("d")));
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snippet.push(span_bar_vec1, false, Some(format!("e")));
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snippet.push(span_bar_semi, false, Some(format!("f")));
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let lines = snippet.render_lines();
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println!("{:#?}", lines);
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let text: String = make_string(&lines);
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println!("text=\n{}", text);
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// Note that the `|` remain aligned across both files:
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assert_eq!(&text[..], &r#"
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--> foo.rs:3:14
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|
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3 | vec.push(vec.pop().unwrap());
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| --- ^^^ - c
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| | |
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| | b
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| a
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::: bar.rs
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|
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17 | vec.push();
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| --- - f
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| |
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| d
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...
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21 | vec.pop().unwrap());
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| --- e
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"#[1..]);
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}
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#[test]
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fn multi_line() {
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let file_text = r#"
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fn foo() {
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let name = find_id(&data, 22).unwrap();
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// Add one more item we forgot to the vector. Silly us.
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data.push(Data { name: format!("Hera"), id: 66 });
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// Print everything out.
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println!("Name: {:?}", name);
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println!("Data: {:?}", data);
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}
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"#;
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let cm = Rc::new(CodeMap::new());
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let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
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let span_data0 = cm.span_substr(&foo, file_text, "data", 0);
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let span_data1 = cm.span_substr(&foo, file_text, "data", 1);
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let span_rbrace = cm.span_substr(&foo, file_text, "}", 3);
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let mut snippet = SnippetData::new(cm, None, FormatMode::NewErrorFormat);
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snippet.push(span_data0, false, Some(format!("immutable borrow begins here")));
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snippet.push(span_data1, false, Some(format!("mutable borrow occurs here")));
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snippet.push(span_rbrace, false, Some(format!("immutable borrow ends here")));
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let lines = snippet.render_lines();
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println!("{:#?}", lines);
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let text: String = make_string(&lines);
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println!("text=\n{}", text);
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assert_eq!(&text[..], &r#"
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::: foo.rs
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|
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3 | let name = find_id(&data, 22).unwrap();
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| ---- immutable borrow begins here
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...
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6 | data.push(Data { name: format!("Hera"), id: 66 });
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| ---- mutable borrow occurs here
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...
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11 | }
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| - immutable borrow ends here
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"#[1..]);
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}
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#[test]
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fn overlapping() {
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let file_text = r#"
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||||
fn foo() {
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vec.push(vec.pop().unwrap());
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}
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"#;
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let cm = Rc::new(CodeMap::new());
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let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
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let span0 = cm.span_substr(&foo, file_text, "vec.push", 0);
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let span1 = cm.span_substr(&foo, file_text, "vec", 0);
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let span2 = cm.span_substr(&foo, file_text, "ec.push", 0);
|
||||
let span3 = cm.span_substr(&foo, file_text, "unwrap", 0);
|
||||
|
||||
let mut snippet = SnippetData::new(cm, None, FormatMode::NewErrorFormat);
|
||||
snippet.push(span0, false, Some(format!("A")));
|
||||
snippet.push(span1, false, Some(format!("B")));
|
||||
snippet.push(span2, false, Some(format!("C")));
|
||||
snippet.push(span3, false, Some(format!("D")));
|
||||
|
||||
let lines = snippet.render_lines();
|
||||
println!("{:#?}", lines);
|
||||
let text: String = make_string(&lines);
|
||||
|
||||
println!("text=r#\"\n{}\".trim_left()", text);
|
||||
assert_eq!(&text[..], &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
3 | vec.push(vec.pop().unwrap());
|
||||
| -------- ------ D
|
||||
| ||
|
||||
| |C
|
||||
| A
|
||||
| B
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn one_line_out_of_order() {
|
||||
let file_text = r#"
|
||||
fn foo() {
|
||||
vec.push(vec.pop().unwrap());
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
let span_vec0 = cm.span_substr(&foo, file_text, "vec", 0);
|
||||
let span_vec1 = cm.span_substr(&foo, file_text, "vec", 1);
|
||||
let span_semi = cm.span_substr(&foo, file_text, ";", 0);
|
||||
|
||||
// intentionally don't push the snippets left to right
|
||||
let mut snippet = SnippetData::new(cm, None, FormatMode::NewErrorFormat);
|
||||
snippet.push(span_vec1, false, Some(format!("error occurs here")));
|
||||
snippet.push(span_vec0, false, Some(format!("previous borrow of `vec` occurs here")));
|
||||
snippet.push(span_semi, false, Some(format!("previous borrow ends here")));
|
||||
|
||||
let lines = snippet.render_lines();
|
||||
println!("{:#?}", lines);
|
||||
let text: String = make_string(&lines);
|
||||
|
||||
println!("text=r#\"\n{}\".trim_left()", text);
|
||||
assert_eq!(&text[..], &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
3 | vec.push(vec.pop().unwrap());
|
||||
| --- --- - previous borrow ends here
|
||||
| | |
|
||||
| | error occurs here
|
||||
| previous borrow of `vec` occurs here
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn elide_unnecessary_lines() {
|
||||
let file_text = r#"
|
||||
fn foo() {
|
||||
let mut vec = vec![0, 1, 2];
|
||||
let mut vec2 = vec;
|
||||
vec2.push(3);
|
||||
vec2.push(4);
|
||||
vec2.push(5);
|
||||
vec2.push(6);
|
||||
vec.push(7);
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
let span_vec0 = cm.span_substr(&foo, file_text, "vec", 3);
|
||||
let span_vec1 = cm.span_substr(&foo, file_text, "vec", 8);
|
||||
|
||||
let mut snippet = SnippetData::new(cm, None, FormatMode::NewErrorFormat);
|
||||
snippet.push(span_vec0, false, Some(format!("`vec` moved here because it \
|
||||
has type `collections::vec::Vec<i32>`")));
|
||||
snippet.push(span_vec1, false, Some(format!("use of moved value: `vec`")));
|
||||
|
||||
let lines = snippet.render_lines();
|
||||
println!("{:#?}", lines);
|
||||
let text: String = make_string(&lines);
|
||||
println!("text=r#\"\n{}\".trim_left()", text);
|
||||
assert_eq!(&text[..], &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
4 | let mut vec2 = vec;
|
||||
| --- `vec` moved here because it has type `collections::vec::Vec<i32>`
|
||||
...
|
||||
9 | vec.push(7);
|
||||
| --- use of moved value: `vec`
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn spans_without_labels() {
|
||||
let file_text = r#"
|
||||
fn foo() {
|
||||
let mut vec = vec![0, 1, 2];
|
||||
let mut vec2 = vec;
|
||||
vec2.push(3);
|
||||
vec2.push(4);
|
||||
vec2.push(5);
|
||||
vec2.push(6);
|
||||
vec.push(7);
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(), None, FormatMode::NewErrorFormat);
|
||||
for i in 0..4 {
|
||||
let span_veci = cm.span_substr(&foo, file_text, "vec", i);
|
||||
snippet.push(span_veci, false, None);
|
||||
}
|
||||
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("text=&r#\"\n{}\n\"#[1..]", text);
|
||||
assert_eq!(text, &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
3 | let mut vec = vec![0, 1, 2];
|
||||
| --- ---
|
||||
4 | let mut vec2 = vec;
|
||||
| --- ---
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn span_long_selection() {
|
||||
let file_text = r#"
|
||||
impl SomeTrait for () {
|
||||
fn foo(x: u32) {
|
||||
// impl 1
|
||||
// impl 2
|
||||
// impl 3
|
||||
}
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(), None, FormatMode::NewErrorFormat);
|
||||
let fn_span = cm.span_substr(&foo, file_text, "fn", 0);
|
||||
let rbrace_span = cm.span_substr(&foo, file_text, "}", 0);
|
||||
snippet.push(splice(fn_span, rbrace_span), false, None);
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("r#\"\n{}\"", text);
|
||||
assert_eq!(text, &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
3 | fn foo(x: u32) {
|
||||
| -
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn span_overlap_label() {
|
||||
// Test that we don't put `x_span` to the right of its highlight,
|
||||
// since there is another highlight that overlaps it.
|
||||
|
||||
let file_text = r#"
|
||||
fn foo(x: u32) {
|
||||
}
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(), None, FormatMode::NewErrorFormat);
|
||||
let fn_span = cm.span_substr(&foo, file_text, "fn foo(x: u32)", 0);
|
||||
let x_span = cm.span_substr(&foo, file_text, "x", 0);
|
||||
snippet.push(fn_span, false, Some(format!("fn_span")));
|
||||
snippet.push(x_span, false, Some(format!("x_span")));
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("r#\"\n{}\"", text);
|
||||
assert_eq!(text, &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
2 | fn foo(x: u32) {
|
||||
| --------------
|
||||
| | |
|
||||
| | x_span
|
||||
| fn_span
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn span_overlap_label2() {
|
||||
// Test that we don't put `x_span` to the right of its highlight,
|
||||
// since there is another highlight that overlaps it. In this
|
||||
// case, the overlap is only at the beginning, but it's still
|
||||
// better to show the beginning more clearly.
|
||||
|
||||
let file_text = r#"
|
||||
fn foo(x: u32) {
|
||||
}
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(), None, FormatMode::NewErrorFormat);
|
||||
let fn_span = cm.span_substr(&foo, file_text, "fn foo(x", 0);
|
||||
let x_span = cm.span_substr(&foo, file_text, "x: u32)", 0);
|
||||
snippet.push(fn_span, false, Some(format!("fn_span")));
|
||||
snippet.push(x_span, false, Some(format!("x_span")));
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("r#\"\n{}\"", text);
|
||||
assert_eq!(text, &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
2 | fn foo(x: u32) {
|
||||
| --------------
|
||||
| | |
|
||||
| | x_span
|
||||
| fn_span
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn span_overlap_label3() {
|
||||
// Test that we don't put `x_span` to the right of its highlight,
|
||||
// since there is another highlight that overlaps it. In this
|
||||
// case, the overlap is only at the beginning, but it's still
|
||||
// better to show the beginning more clearly.
|
||||
|
||||
let file_text = r#"
|
||||
fn foo() {
|
||||
let closure = || {
|
||||
inner
|
||||
};
|
||||
}
|
||||
}
|
||||
"#;
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(), None, FormatMode::NewErrorFormat);
|
||||
|
||||
let closure_span = {
|
||||
let closure_start_span = cm.span_substr(&foo, file_text, "||", 0);
|
||||
let closure_end_span = cm.span_substr(&foo, file_text, "}", 0);
|
||||
splice(closure_start_span, closure_end_span)
|
||||
};
|
||||
|
||||
let inner_span = cm.span_substr(&foo, file_text, "inner", 0);
|
||||
|
||||
snippet.push(closure_span, false, Some(format!("foo")));
|
||||
snippet.push(inner_span, false, Some(format!("bar")));
|
||||
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("r#\"\n{}\"", text);
|
||||
assert_eq!(text, &r#"
|
||||
::: foo.rs
|
||||
|
|
||||
3 | let closure = || {
|
||||
| - foo
|
||||
4 | inner
|
||||
| ----- bar
|
||||
"#[1..]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn span_empty() {
|
||||
// In one of the unit tests, we found that the parser sometimes
|
||||
// gives empty spans, and in particular it supplied an EOF span
|
||||
// like this one, which points at the very end. We want to
|
||||
// fallback gracefully in this case.
|
||||
|
||||
let file_text = r#"
|
||||
fn main() {
|
||||
struct Foo;
|
||||
|
||||
impl !Sync for Foo {}
|
||||
|
||||
unsafe impl Send for &'static Foo {
|
||||
// error: cross-crate traits with a default impl, like `core::marker::Send`,
|
||||
// can only be implemented for a struct/enum type, not
|
||||
// `&'static Foo`
|
||||
}"#;
|
||||
|
||||
|
||||
let cm = Rc::new(CodeMap::new());
|
||||
let foo = cm.new_filemap_and_lines("foo.rs", None, file_text);
|
||||
|
||||
let mut rbrace_span = cm.span_substr(&foo, file_text, "}", 1);
|
||||
rbrace_span.lo = rbrace_span.hi;
|
||||
|
||||
let mut snippet = SnippetData::new(cm.clone(),
|
||||
Some(rbrace_span),
|
||||
FormatMode::NewErrorFormat);
|
||||
snippet.push(rbrace_span, false, None);
|
||||
let lines = snippet.render_lines();
|
||||
let text: String = make_string(&lines);
|
||||
println!("r#\"\n{}\"", text);
|
||||
assert_eq!(text, &r#"
|
||||
--> foo.rs:11:2
|
||||
|
|
||||
11 | }
|
||||
| -
|
||||
"#[1..]);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user