441dc3640a
Found with https://github.com/est31/warnalyzer. Dubious changes: - Is anyone else using rustc_apfloat? I feel weird completely deleting x87 support. - Maybe some of the dead code in rustc_data_structures, in case someone wants to use it in the future? - Don't change rustc_serialize I plan to scrap most of the json module in the near future (see https://github.com/rust-lang/compiler-team/issues/418) and fixing the tests needed more work than I expected. TODO: check if any of the comments on the deleted code should be kept.
114 lines
3.1 KiB
Rust
114 lines
3.1 KiB
Rust
use crate::tests::string_to_stream;
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use rustc_ast::token;
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use rustc_ast::tokenstream::{Spacing, TokenStream, TokenStreamBuilder, TokenTree};
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use rustc_span::with_default_session_globals;
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use rustc_span::{BytePos, Span, Symbol};
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use smallvec::smallvec;
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fn string_to_ts(string: &str) -> TokenStream {
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string_to_stream(string.to_owned())
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}
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fn sp(a: u32, b: u32) -> Span {
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Span::with_root_ctxt(BytePos(a), BytePos(b))
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}
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fn joint(tree: TokenTree) -> TokenStream {
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TokenStream::new(vec![(tree, Spacing::Joint)])
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}
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#[test]
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fn test_concat() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("foo::bar::baz");
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let test_fst = string_to_ts("foo::bar");
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let test_snd = string_to_ts("::baz");
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let eq_res = TokenStream::from_streams(smallvec![test_fst, test_snd]);
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assert_eq!(test_res.trees().count(), 5);
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assert_eq!(eq_res.trees().count(), 5);
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assert_eq!(test_res.eq_unspanned(&eq_res), true);
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})
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}
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#[test]
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fn test_to_from_bijection() {
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with_default_session_globals(|| {
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let test_start = string_to_ts("foo::bar(baz)");
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let test_end = test_start.trees().collect();
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assert_eq!(test_start, test_end)
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})
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}
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#[test]
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fn test_eq_0() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("foo");
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let test_eqs = string_to_ts("foo");
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assert_eq!(test_res, test_eqs)
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})
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}
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#[test]
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fn test_eq_1() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("::bar::baz");
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let test_eqs = string_to_ts("::bar::baz");
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assert_eq!(test_res, test_eqs)
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})
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}
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#[test]
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fn test_eq_3() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("");
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let test_eqs = string_to_ts("");
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assert_eq!(test_res, test_eqs)
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})
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}
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#[test]
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fn test_diseq_0() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("::bar::baz");
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let test_eqs = string_to_ts("bar::baz");
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assert_eq!(test_res == test_eqs, false)
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})
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}
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#[test]
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fn test_diseq_1() {
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with_default_session_globals(|| {
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let test_res = string_to_ts("(bar,baz)");
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let test_eqs = string_to_ts("bar,baz");
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assert_eq!(test_res == test_eqs, false)
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})
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}
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#[test]
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fn test_is_empty() {
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with_default_session_globals(|| {
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let test0: TokenStream = Vec::<TokenTree>::new().into_iter().collect();
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let test1: TokenStream =
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TokenTree::token(token::Ident(Symbol::intern("a"), false), sp(0, 1)).into();
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let test2 = string_to_ts("foo(bar::baz)");
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assert_eq!(test0.is_empty(), true);
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assert_eq!(test1.is_empty(), false);
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assert_eq!(test2.is_empty(), false);
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})
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}
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#[test]
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fn test_dotdotdot() {
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with_default_session_globals(|| {
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let mut builder = TokenStreamBuilder::new();
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builder.push(joint(TokenTree::token(token::Dot, sp(0, 1))));
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builder.push(joint(TokenTree::token(token::Dot, sp(1, 2))));
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builder.push(TokenTree::token(token::Dot, sp(2, 3)));
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let stream = builder.build();
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assert!(stream.eq_unspanned(&string_to_ts("...")));
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assert_eq!(stream.trees().count(), 1);
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})
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}
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