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use super::*;
use crate::clean::collapse_doc_fragments;
use rustc_span::create_default_session_globals_then;
use rustc_span::source_map::DUMMY_SP;
use rustc_span::symbol::Symbol;
fn create_doc_fragment(s: &str) -> Vec<DocFragment> {
vec![DocFragment {
span: DUMMY_SP,
parent_module: None,
doc: Symbol::intern(s),
kind: DocFragmentKind::SugaredDoc,
indent: 0,
}]
}
#[track_caller]
fn run_test(input: &str, expected: &str) {
create_default_session_globals_then(|| {
let mut s = create_doc_fragment(input);
unindent_doc_fragments(&mut s);
assert_eq!(collapse_doc_fragments(&s), expected);
});
}
#[test]
fn should_unindent() {
run_test(" line1\n line2", "line1\nline2");
}
#[test]
fn should_unindent_multiple_paragraphs() {
run_test(" line1\n\n line2", "line1\n\nline2");
}
#[test]
fn should_leave_multiple_indent_levels() {
// Line 2 is indented another level beyond the
// base indentation and should be preserved
run_test(" line1\n\n line2", "line1\n\n line2");
}
#[test]
fn should_ignore_first_line_indent() {
run_test("line1\n line2", "line1\n line2");
}
#[test]
fn should_not_ignore_first_line_indent_in_a_single_line_para() {
run_test("line1\n\n line2", "line1\n\n line2");
}
#[test]
fn should_unindent_tabs() {
run_test("\tline1\n\tline2", "line1\nline2");
}
#[test]
fn should_trim_mixed_indentation() {
run_test("\t line1\n\t line2", "line1\nline2");
run_test(" \tline1\n \tline2", "line1\nline2");
}
#[test]
fn should_not_trim() {
run_test("\t line1 \n\t line2", "line1 \nline2");
run_test(" \tline1 \n \tline2", "line1 \nline2");
}
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