src/librustc_interface/tests.rs

   1 use crate::interface::parse_cfgspecs;
   2
   3 use rustc_data_structures::fx::FxHashSet;
   4 use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
   5 use rustc_middle::middle::cstore;
   6 use rustc_session::config::{build_configuration, build_session_options, to_crate_config};
   7 use rustc_session::config::{rustc_optgroups, ErrorOutputType, ExternLocation, Options, Passes};
   8 use rustc_session::config::{ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath};
   9 use rustc_session::config::{Externs, OutputType, OutputTypes, SymbolManglingVersion};
  10 use rustc_session::getopts;
  11 use rustc_session::lint::Level;
  12 use rustc_session::search_paths::SearchPath;
  13 use rustc_session::{build_session, Session};
  14 use rustc_span::edition::{Edition, DEFAULT_EDITION};
  15 use rustc_span::symbol::sym;
  16 use rustc_target::spec::{MergeFunctions, PanicStrategy, RelroLevel};
  17 use std::collections::{BTreeMap, BTreeSet};
  18 use std::iter::FromIterator;
  19 use std::path::PathBuf;
  20
  21 type CfgSpecs = FxHashSet<(String, Option<String>)>;
  22
  23 fn build_session_options_and_crate_config(matches: getopts::Matches) -> (Options, CfgSpecs) {
  24     let sessopts = build_session_options(&matches);
  25     let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
  26     (sessopts, cfg)
  27 }
  28
  29 fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) {
  30     let registry = registry::Registry::new(&[]);
  31     let (sessopts, cfg) = build_session_options_and_crate_config(matches);
  32     let sess = build_session(sessopts, None, registry);
  33     (sess, cfg)
  34 }
  35
  36 fn new_public_extern_entry<S, I>(locations: I) -> ExternEntry
  37 where
  38     S: Into<String>,
  39     I: IntoIterator<Item = S>,
  40 {
  41     let locations: BTreeSet<_> = locations.into_iter().map(|s| s.into()).collect();
  42
  43     ExternEntry {
  44         location: ExternLocation::ExactPaths(locations),
  45         is_private_dep: false,
  46         add_prelude: true,
  47     }
  48 }
  49
  50 fn optgroups() -> getopts::Options {
  51     let mut opts = getopts::Options::new();
  52     for group in rustc_optgroups() {
  53         (group.apply)(&mut opts);
  54     }
  55     return opts;
  56 }
  57
  58 fn mk_map<K: Ord, V>(entries: Vec<(K, V)>) -> BTreeMap<K, V> {
  59     BTreeMap::from_iter(entries.into_iter())
  60 }
  61
  62 // When the user supplies --test we should implicitly supply --cfg test
  63 #[test]
  64 fn test_switch_implies_cfg_test() {
  65     rustc_ast::with_default_globals(|| {
  66         let matches = optgroups().parse(&["--test".to_string()]).unwrap();
  67         let (sess, cfg) = mk_session(matches);
  68         let cfg = build_configuration(&sess, to_crate_config(cfg));
  69         assert!(cfg.contains(&(sym::test, None)));
  70     });
  71 }
  72
  73 // When the user supplies --test and --cfg test, don't implicitly add another --cfg test
  74 #[test]
  75 fn test_switch_implies_cfg_test_unless_cfg_test() {
  76     rustc_ast::with_default_globals(|| {
  77         let matches = optgroups().parse(&["--test".to_string(), "--cfg=test".to_string()]).unwrap();
  78         let (sess, cfg) = mk_session(matches);
  79         let cfg = build_configuration(&sess, to_crate_config(cfg));
  80         let mut test_items = cfg.iter().filter(|&&(name, _)| name == sym::test);
  81         assert!(test_items.next().is_some());
  82         assert!(test_items.next().is_none());
  83     });
  84 }
  85
  86 #[test]
  87 fn test_can_print_warnings() {
  88     rustc_ast::with_default_globals(|| {
  89         let matches = optgroups().parse(&["-Awarnings".to_string()]).unwrap();
  90         let (sess, _) = mk_session(matches);
  91         assert!(!sess.diagnostic().can_emit_warnings());
  92     });
  93
  94     rustc_ast::with_default_globals(|| {
  95         let matches =
  96             optgroups().parse(&["-Awarnings".to_string(), "-Dwarnings".to_string()]).unwrap();
  97         let (sess, _) = mk_session(matches);
  98         assert!(sess.diagnostic().can_emit_warnings());
  99     });
 100
 101     rustc_ast::with_default_globals(|| {
 102         let matches = optgroups().parse(&["-Adead_code".to_string()]).unwrap();
 103         let (sess, _) = mk_session(matches);
 104         assert!(sess.diagnostic().can_emit_warnings());
 105     });
 106 }
 107
 108 #[test]
 109 fn test_output_types_tracking_hash_different_paths() {
 110     let mut v1 = Options::default();
 111     let mut v2 = Options::default();
 112     let mut v3 = Options::default();
 113
 114     v1.output_types = OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("./some/thing")))]);
 115     v2.output_types = OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("/some/thing")))]);
 116     v3.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
 117
 118     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 119     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 120     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 121
 122     // Check clone
 123     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 124     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 125     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 126 }
 127
 128 #[test]
 129 fn test_output_types_tracking_hash_different_construction_order() {
 130     let mut v1 = Options::default();
 131     let mut v2 = Options::default();
 132
 133     v1.output_types = OutputTypes::new(&[
 134         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 135         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 136     ]);
 137
 138     v2.output_types = OutputTypes::new(&[
 139         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 140         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 141     ]);
 142
 143     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 144
 145     // Check clone
 146     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 147 }
 148
 149 #[test]
 150 fn test_externs_tracking_hash_different_construction_order() {
 151     let mut v1 = Options::default();
 152     let mut v2 = Options::default();
 153     let mut v3 = Options::default();
 154
 155     v1.externs = Externs::new(mk_map(vec![
 156         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 157         (String::from("d"), new_public_extern_entry(vec!["e", "f"])),
 158     ]));
 159
 160     v2.externs = Externs::new(mk_map(vec![
 161         (String::from("d"), new_public_extern_entry(vec!["e", "f"])),
 162         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 163     ]));
 164
 165     v3.externs = Externs::new(mk_map(vec![
 166         (String::from("a"), new_public_extern_entry(vec!["b", "c"])),
 167         (String::from("d"), new_public_extern_entry(vec!["f", "e"])),
 168     ]));
 169
 170     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 171     assert_eq!(v1.dep_tracking_hash(), v3.dep_tracking_hash());
 172     assert_eq!(v2.dep_tracking_hash(), v3.dep_tracking_hash());
 173
 174     // Check clone
 175     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 176     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 177     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 178 }
 179
 180 #[test]
 181 fn test_lints_tracking_hash_different_values() {
 182     let mut v1 = Options::default();
 183     let mut v2 = Options::default();
 184     let mut v3 = Options::default();
 185
 186     v1.lint_opts = vec![
 187         (String::from("a"), Level::Allow),
 188         (String::from("b"), Level::Warn),
 189         (String::from("c"), Level::Deny),
 190         (String::from("d"), Level::Forbid),
 191     ];
 192
 193     v2.lint_opts = vec![
 194         (String::from("a"), Level::Allow),
 195         (String::from("b"), Level::Warn),
 196         (String::from("X"), Level::Deny),
 197         (String::from("d"), Level::Forbid),
 198     ];
 199
 200     v3.lint_opts = vec![
 201         (String::from("a"), Level::Allow),
 202         (String::from("b"), Level::Warn),
 203         (String::from("c"), Level::Forbid),
 204         (String::from("d"), Level::Deny),
 205     ];
 206
 207     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 208     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 209     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 210
 211     // Check clone
 212     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 213     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 214     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 215 }
 216
 217 #[test]
 218 fn test_lints_tracking_hash_different_construction_order() {
 219     let mut v1 = Options::default();
 220     let mut v2 = Options::default();
 221
 222     v1.lint_opts = vec![
 223         (String::from("a"), Level::Allow),
 224         (String::from("b"), Level::Warn),
 225         (String::from("c"), Level::Deny),
 226         (String::from("d"), Level::Forbid),
 227     ];
 228
 229     v2.lint_opts = vec![
 230         (String::from("a"), Level::Allow),
 231         (String::from("c"), Level::Deny),
 232         (String::from("b"), Level::Warn),
 233         (String::from("d"), Level::Forbid),
 234     ];
 235
 236     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 237
 238     // Check clone
 239     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 240     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 241 }
 242
 243 #[test]
 244 fn test_search_paths_tracking_hash_different_order() {
 245     let mut v1 = Options::default();
 246     let mut v2 = Options::default();
 247     let mut v3 = Options::default();
 248     let mut v4 = Options::default();
 249
 250     const JSON: ErrorOutputType = ErrorOutputType::Json {
 251         pretty: false,
 252         json_rendered: HumanReadableErrorType::Default(ColorConfig::Never),
 253     };
 254
 255     // Reference
 256     v1.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 257     v1.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 258     v1.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 259     v1.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 260     v1.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 261
 262     v2.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 263     v2.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 264     v2.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 265     v2.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 266     v2.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 267
 268     v3.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 269     v3.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 270     v3.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 271     v3.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 272     v3.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 273
 274     v4.search_paths.push(SearchPath::from_cli_opt("all=mno", JSON));
 275     v4.search_paths.push(SearchPath::from_cli_opt("native=abc", JSON));
 276     v4.search_paths.push(SearchPath::from_cli_opt("crate=def", JSON));
 277     v4.search_paths.push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 278     v4.search_paths.push(SearchPath::from_cli_opt("framework=jkl", JSON));
 279
 280     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 281     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 282     assert!(v1.dep_tracking_hash() == v4.dep_tracking_hash());
 283
 284     // Check clone
 285     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 286     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 287     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 288     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 289 }
 290
 291 #[test]
 292 fn test_native_libs_tracking_hash_different_values() {
 293     let mut v1 = Options::default();
 294     let mut v2 = Options::default();
 295     let mut v3 = Options::default();
 296     let mut v4 = Options::default();
 297
 298     // Reference
 299     v1.libs = vec![
 300         (String::from("a"), None, Some(cstore::NativeStatic)),
 301         (String::from("b"), None, Some(cstore::NativeFramework)),
 302         (String::from("c"), None, Some(cstore::NativeUnknown)),
 303     ];
 304
 305     // Change label
 306     v2.libs = vec![
 307         (String::from("a"), None, Some(cstore::NativeStatic)),
 308         (String::from("X"), None, Some(cstore::NativeFramework)),
 309         (String::from("c"), None, Some(cstore::NativeUnknown)),
 310     ];
 311
 312     // Change kind
 313     v3.libs = vec![
 314         (String::from("a"), None, Some(cstore::NativeStatic)),
 315         (String::from("b"), None, Some(cstore::NativeStatic)),
 316         (String::from("c"), None, Some(cstore::NativeUnknown)),
 317     ];
 318
 319     // Change new-name
 320     v4.libs = vec![
 321         (String::from("a"), None, Some(cstore::NativeStatic)),
 322         (String::from("b"), Some(String::from("X")), Some(cstore::NativeFramework)),
 323         (String::from("c"), None, Some(cstore::NativeUnknown)),
 324     ];
 325
 326     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 327     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 328     assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
 329
 330     // Check clone
 331     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 332     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 333     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 334     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 335 }
 336
 337 #[test]
 338 fn test_native_libs_tracking_hash_different_order() {
 339     let mut v1 = Options::default();
 340     let mut v2 = Options::default();
 341     let mut v3 = Options::default();
 342
 343     // Reference
 344     v1.libs = vec![
 345         (String::from("a"), None, Some(cstore::NativeStatic)),
 346         (String::from("b"), None, Some(cstore::NativeFramework)),
 347         (String::from("c"), None, Some(cstore::NativeUnknown)),
 348     ];
 349
 350     v2.libs = vec![
 351         (String::from("b"), None, Some(cstore::NativeFramework)),
 352         (String::from("a"), None, Some(cstore::NativeStatic)),
 353         (String::from("c"), None, Some(cstore::NativeUnknown)),
 354     ];
 355
 356     v3.libs = vec![
 357         (String::from("c"), None, Some(cstore::NativeUnknown)),
 358         (String::from("a"), None, Some(cstore::NativeStatic)),
 359         (String::from("b"), None, Some(cstore::NativeFramework)),
 360     ];
 361
 362     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 363     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 364     assert!(v2.dep_tracking_hash() == v3.dep_tracking_hash());
 365
 366     // Check clone
 367     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 368     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 369     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 370 }
 371
 372 #[test]
 373 fn test_codegen_options_tracking_hash() {
 374     let reference = Options::default();
 375     let mut opts = Options::default();
 376
 377     // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
 378     opts.cg.ar = String::from("abc");
 379     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 380
 381     opts.cg.linker = Some(PathBuf::from("linker"));
 382     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 383
 384     opts.cg.link_args = vec![String::from("abc"), String::from("def")];
 385     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 386
 387     opts.cg.link_dead_code = true;
 388     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 389
 390     opts.cg.rpath = true;
 391     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 392
 393     opts.cg.extra_filename = String::from("extra-filename");
 394     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 395
 396     opts.cg.codegen_units = Some(42);
 397     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 398
 399     opts.cg.remark = Passes::Some(vec![String::from("pass1"), String::from("pass2")]);
 400     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 401
 402     opts.cg.save_temps = true;
 403     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 404
 405     opts.cg.incremental = Some(String::from("abc"));
 406     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 407
 408     // Make sure changing a [TRACKED] option changes the hash
 409     opts = reference.clone();
 410     opts.cg.lto = LtoCli::Fat;
 411     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 412
 413     opts = reference.clone();
 414     opts.cg.target_cpu = Some(String::from("abc"));
 415     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 416
 417     opts = reference.clone();
 418     opts.cg.target_feature = String::from("all the features, all of them");
 419     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 420
 421     opts = reference.clone();
 422     opts.cg.passes = vec![String::from("1"), String::from("2")];
 423     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 424
 425     opts = reference.clone();
 426     opts.cg.llvm_args = vec![String::from("1"), String::from("2")];
 427     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 428
 429     opts = reference.clone();
 430     opts.cg.overflow_checks = Some(true);
 431     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 432
 433     opts = reference.clone();
 434     opts.cg.no_prepopulate_passes = true;
 435     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 436
 437     opts = reference.clone();
 438     opts.cg.no_vectorize_loops = true;
 439     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 440
 441     opts = reference.clone();
 442     opts.cg.no_vectorize_slp = true;
 443     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 444
 445     opts = reference.clone();
 446     opts.cg.soft_float = true;
 447     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 448
 449     opts = reference.clone();
 450     opts.cg.prefer_dynamic = true;
 451     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 452
 453     opts = reference.clone();
 454     opts.cg.no_redzone = Some(true);
 455     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 456
 457     opts = reference.clone();
 458     opts.cg.relocation_model = Some(String::from("relocation model"));
 459     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 460
 461     opts = reference.clone();
 462     opts.cg.code_model = Some(String::from("code model"));
 463     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 464
 465     opts = reference.clone();
 466     opts.debugging_opts.tls_model = Some(String::from("tls model"));
 467     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 468
 469     opts = reference.clone();
 470     opts.cg.profile_generate = SwitchWithOptPath::Enabled(None);
 471     assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 472
 473     opts = reference.clone();
 474     opts.cg.profile_use = Some(PathBuf::from("abc"));
 475     assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 476
 477     opts = reference.clone();
 478     opts.cg.metadata = vec![String::from("A"), String::from("B")];
 479     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 480
 481     opts = reference.clone();
 482     opts.cg.debuginfo = 0xdeadbeef;
 483     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 484
 485     opts = reference.clone();
 486     opts.cg.debuginfo = 0xba5eba11;
 487     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 488
 489     opts = reference.clone();
 490     opts.cg.force_frame_pointers = Some(false);
 491     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 492
 493     opts = reference.clone();
 494     opts.cg.debug_assertions = Some(true);
 495     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 496
 497     opts = reference.clone();
 498     opts.cg.inline_threshold = Some(0xf007ba11);
 499     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 500
 501     opts = reference.clone();
 502     opts.cg.panic = Some(PanicStrategy::Abort);
 503     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 504
 505     opts = reference.clone();
 506     opts.cg.linker_plugin_lto = LinkerPluginLto::LinkerPluginAuto;
 507     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 508 }
 509
 510 #[test]
 511 fn test_debugging_options_tracking_hash() {
 512     let reference = Options::default();
 513     let mut opts = Options::default();
 514
 515     // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
 516     opts.debugging_opts.verbose = true;
 517     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 518     opts.debugging_opts.time_passes = true;
 519     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 520     opts.debugging_opts.time_llvm_passes = true;
 521     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 522     opts.debugging_opts.input_stats = true;
 523     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 524     opts.debugging_opts.borrowck_stats = true;
 525     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 526     opts.debugging_opts.meta_stats = true;
 527     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 528     opts.debugging_opts.print_link_args = true;
 529     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 530     opts.debugging_opts.print_llvm_passes = true;
 531     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 532     opts.debugging_opts.ast_json = true;
 533     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 534     opts.debugging_opts.ast_json_noexpand = true;
 535     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 536     opts.debugging_opts.ls = true;
 537     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 538     opts.debugging_opts.save_analysis = true;
 539     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 540     opts.debugging_opts.print_region_graph = true;
 541     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 542     opts.debugging_opts.parse_only = true;
 543     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 544     opts.debugging_opts.dump_dep_graph = true;
 545     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 546     opts.debugging_opts.query_dep_graph = true;
 547     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 548     opts.debugging_opts.no_analysis = true;
 549     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 550     opts.debugging_opts.unstable_options = true;
 551     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 552     opts.debugging_opts.trace_macros = true;
 553     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 554     opts.debugging_opts.keep_hygiene_data = true;
 555     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 556     opts.debugging_opts.print_mono_items = Some(String::from("abc"));
 557     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 558     opts.debugging_opts.dump_mir = Some(String::from("abc"));
 559     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 560     opts.debugging_opts.dump_mir_dir = String::from("abc");
 561     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 562     opts.debugging_opts.dump_mir_graphviz = true;
 563     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 564     opts.debugging_opts.dump_mir_dataflow = true;
 565     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 566
 567     // Make sure changing a [TRACKED] option changes the hash
 568     opts = reference.clone();
 569     opts.debugging_opts.asm_comments = true;
 570     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 571
 572     opts = reference.clone();
 573     opts.debugging_opts.verify_llvm_ir = true;
 574     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 575
 576     opts = reference.clone();
 577     opts.debugging_opts.no_landing_pads = true;
 578     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 579
 580     opts = reference.clone();
 581     opts.debugging_opts.fewer_names = true;
 582     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 583
 584     opts = reference.clone();
 585     opts.debugging_opts.no_codegen = true;
 586     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 587
 588     opts = reference.clone();
 589     opts.debugging_opts.treat_err_as_bug = Some(1);
 590     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 591
 592     opts = reference.clone();
 593     opts.debugging_opts.report_delayed_bugs = true;
 594     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 595
 596     opts = reference.clone();
 597     opts.debugging_opts.force_overflow_checks = Some(true);
 598     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 599
 600     opts = reference.clone();
 601     opts.debugging_opts.show_span = Some(String::from("abc"));
 602     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 603
 604     opts = reference.clone();
 605     opts.debugging_opts.mir_opt_level = 3;
 606     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 607
 608     opts = reference.clone();
 609     opts.debugging_opts.relro_level = Some(RelroLevel::Full);
 610     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 611
 612     opts = reference.clone();
 613     opts.debugging_opts.merge_functions = Some(MergeFunctions::Disabled);
 614     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 615
 616     opts = reference.clone();
 617     opts.debugging_opts.allow_features = Some(vec![String::from("lang_items")]);
 618     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 619
 620     opts = reference.clone();
 621     opts.debugging_opts.symbol_mangling_version = SymbolManglingVersion::V0;
 622     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 623 }
 624
 625 #[test]
 626 fn test_edition_parsing() {
 627     // test default edition
 628     let options = Options::default();
 629     assert!(options.edition == DEFAULT_EDITION);
 630
 631     let matches = optgroups().parse(&["--edition=2018".to_string()]).unwrap();
 632     let (sessopts, _) = build_session_options_and_crate_config(matches);
 633     assert!(sessopts.edition == Edition::Edition2018)
 634 }