src/librustc_interface/tests.rs

   1 extern crate getopts;
   2
   3 use crate::interface::parse_cfgspecs;
   4
   5 use rustc::lint;
   6 use rustc::middle::cstore;
   7 use rustc::session::config::{build_configuration, build_session_options, to_crate_config};
   8 use rustc::session::config::{LtoCli, LinkerPluginLto, SwitchWithOptPath, ExternEntry};
   9 use rustc::session::config::{Externs, OutputType, OutputTypes, SymbolManglingVersion};
  10 use rustc::session::config::{rustc_optgroups, Options, ErrorOutputType, Passes, ExternLocation};
  11 use rustc::session::{build_session, Session};
  12 use rustc::session::search_paths::SearchPath;
  13 use std::collections::{BTreeMap, BTreeSet};
  14 use std::iter::FromIterator;
  15 use std::path::PathBuf;
  16 use rustc_target::spec::{MergeFunctions, PanicStrategy, RelroLevel};
  17 use syntax::symbol::sym;
  18 use syntax::edition::{Edition, DEFAULT_EDITION};
  19 use syntax;
  20 use rustc_data_structures::fx::FxHashSet;
  21 use rustc_errors::{ColorConfig, emitter::HumanReadableErrorType, registry};
  22
  23 type CfgSpecs = FxHashSet<(String, Option<String>)>;
  24
  25 fn build_session_options_and_crate_config(matches: getopts::Matches) -> (Options, CfgSpecs) {
  26     let sessopts = build_session_options(&matches);
  27     let cfg = parse_cfgspecs(matches.opt_strs("cfg"));
  28     (sessopts, cfg)
  29 }
  30
  31 fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) {
  32     let registry = registry::Registry::new(&[]);
  33     let (sessopts, cfg) = build_session_options_and_crate_config(matches);
  34     let sess = build_session(sessopts, None, registry);
  35     (sess, cfg)
  36 }
  37
  38 fn new_public_extern_entry<S, I>(locations: I) -> ExternEntry
  39 where
  40     S: Into<String>,
  41     I: IntoIterator<Item = S>,
  42 {
  43     let locations: BTreeSet<_> = locations.into_iter().map(|s| s.into())
  44         .collect();
  45
  46     ExternEntry {
  47         location: ExternLocation::ExactPaths(locations),
  48         is_private_dep: false,
  49         add_prelude: true,
  50     }
  51 }
  52
  53 fn optgroups() -> getopts::Options {
  54     let mut opts = getopts::Options::new();
  55     for group in rustc_optgroups() {
  56         (group.apply)(&mut opts);
  57     }
  58     return opts;
  59 }
  60
  61 fn mk_map<K: Ord, V>(entries: Vec<(K, V)>) -> BTreeMap<K, V> {
  62     BTreeMap::from_iter(entries.into_iter())
  63 }
  64
  65 // When the user supplies --test we should implicitly supply --cfg test
  66 #[test]
  67 fn test_switch_implies_cfg_test() {
  68     syntax::with_default_globals(|| {
  69         let matches = optgroups().parse(&["--test".to_string()]).unwrap();
  70         let (sess, cfg) = mk_session(matches);
  71         let cfg = build_configuration(&sess, to_crate_config(cfg));
  72         assert!(cfg.contains(&(sym::test, None)));
  73     });
  74 }
  75
  76 // When the user supplies --test and --cfg test, don't implicitly add another --cfg test
  77 #[test]
  78 fn test_switch_implies_cfg_test_unless_cfg_test() {
  79     syntax::with_default_globals(|| {
  80         let matches = optgroups().parse(&["--test".to_string(), "--cfg=test".to_string()]).unwrap();
  81         let (sess, cfg) = mk_session(matches);
  82         let cfg = build_configuration(&sess, to_crate_config(cfg));
  83         let mut test_items = cfg.iter().filter(|&&(name, _)| name == sym::test);
  84         assert!(test_items.next().is_some());
  85         assert!(test_items.next().is_none());
  86     });
  87 }
  88
  89 #[test]
  90 fn test_can_print_warnings() {
  91     syntax::with_default_globals(|| {
  92         let matches = optgroups().parse(&["-Awarnings".to_string()]).unwrap();
  93         let (sess, _) = mk_session(matches);
  94         assert!(!sess.diagnostic().can_emit_warnings());
  95     });
  96
  97     syntax::with_default_globals(|| {
  98         let matches = optgroups()
  99             .parse(&["-Awarnings".to_string(), "-Dwarnings".to_string()])
 100             .unwrap();
 101         let (sess, _) = mk_session(matches);
 102         assert!(sess.diagnostic().can_emit_warnings());
 103     });
 104
 105     syntax::with_default_globals(|| {
 106         let matches = optgroups().parse(&["-Adead_code".to_string()]).unwrap();
 107         let (sess, _) = mk_session(matches);
 108         assert!(sess.diagnostic().can_emit_warnings());
 109     });
 110 }
 111
 112 #[test]
 113 fn test_output_types_tracking_hash_different_paths() {
 114     let mut v1 = Options::default();
 115     let mut v2 = Options::default();
 116     let mut v3 = Options::default();
 117
 118     v1.output_types =
 119         OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("./some/thing")))]);
 120     v2.output_types =
 121         OutputTypes::new(&[(OutputType::Exe, Some(PathBuf::from("/some/thing")))]);
 122     v3.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
 123
 124     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 125     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 126     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 127
 128     // Check clone
 129     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 130     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 131     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 132 }
 133
 134 #[test]
 135 fn test_output_types_tracking_hash_different_construction_order() {
 136     let mut v1 = Options::default();
 137     let mut v2 = Options::default();
 138
 139     v1.output_types = OutputTypes::new(&[
 140         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 141         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 142     ]);
 143
 144     v2.output_types = OutputTypes::new(&[
 145         (OutputType::Bitcode, Some(PathBuf::from("./some/thing.bc"))),
 146         (OutputType::Exe, Some(PathBuf::from("./some/thing"))),
 147     ]);
 148
 149     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 150
 151     // Check clone
 152     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 153 }
 154
 155 #[test]
 156 fn test_externs_tracking_hash_different_construction_order() {
 157     let mut v1 = Options::default();
 158     let mut v2 = Options::default();
 159     let mut v3 = Options::default();
 160
 161     v1.externs = Externs::new(mk_map(vec![
 162         (
 163             String::from("a"),
 164             new_public_extern_entry(vec!["b", "c"])
 165         ),
 166         (
 167             String::from("d"),
 168             new_public_extern_entry(vec!["e", "f"])
 169         ),
 170     ]));
 171
 172     v2.externs = Externs::new(mk_map(vec![
 173         (
 174             String::from("d"),
 175             new_public_extern_entry(vec!["e", "f"])
 176         ),
 177         (
 178             String::from("a"),
 179             new_public_extern_entry(vec!["b", "c"])
 180         ),
 181     ]));
 182
 183     v3.externs = Externs::new(mk_map(vec![
 184         (
 185             String::from("a"),
 186             new_public_extern_entry(vec!["b", "c"])
 187         ),
 188         (
 189             String::from("d"),
 190             new_public_extern_entry(vec!["f", "e"])
 191         ),
 192     ]));
 193
 194     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 195     assert_eq!(v1.dep_tracking_hash(), v3.dep_tracking_hash());
 196     assert_eq!(v2.dep_tracking_hash(), v3.dep_tracking_hash());
 197
 198     // Check clone
 199     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 200     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 201     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 202 }
 203
 204 #[test]
 205 fn test_lints_tracking_hash_different_values() {
 206     let mut v1 = Options::default();
 207     let mut v2 = Options::default();
 208     let mut v3 = Options::default();
 209
 210     v1.lint_opts = vec![
 211         (String::from("a"), lint::Allow),
 212         (String::from("b"), lint::Warn),
 213         (String::from("c"), lint::Deny),
 214         (String::from("d"), lint::Forbid),
 215     ];
 216
 217     v2.lint_opts = vec![
 218         (String::from("a"), lint::Allow),
 219         (String::from("b"), lint::Warn),
 220         (String::from("X"), lint::Deny),
 221         (String::from("d"), lint::Forbid),
 222     ];
 223
 224     v3.lint_opts = vec![
 225         (String::from("a"), lint::Allow),
 226         (String::from("b"), lint::Warn),
 227         (String::from("c"), lint::Forbid),
 228         (String::from("d"), lint::Deny),
 229     ];
 230
 231     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 232     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 233     assert!(v2.dep_tracking_hash() != v3.dep_tracking_hash());
 234
 235     // Check clone
 236     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 237     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 238     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 239 }
 240
 241 #[test]
 242 fn test_lints_tracking_hash_different_construction_order() {
 243     let mut v1 = Options::default();
 244     let mut v2 = Options::default();
 245
 246     v1.lint_opts = vec![
 247         (String::from("a"), lint::Allow),
 248         (String::from("b"), lint::Warn),
 249         (String::from("c"), lint::Deny),
 250         (String::from("d"), lint::Forbid),
 251     ];
 252
 253     v2.lint_opts = vec![
 254         (String::from("a"), lint::Allow),
 255         (String::from("c"), lint::Deny),
 256         (String::from("b"), lint::Warn),
 257         (String::from("d"), lint::Forbid),
 258     ];
 259
 260     assert_eq!(v1.dep_tracking_hash(), v2.dep_tracking_hash());
 261
 262     // Check clone
 263     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 264     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 265 }
 266
 267 #[test]
 268 fn test_search_paths_tracking_hash_different_order() {
 269     let mut v1 = Options::default();
 270     let mut v2 = Options::default();
 271     let mut v3 = Options::default();
 272     let mut v4 = Options::default();
 273
 274     const JSON: ErrorOutputType = ErrorOutputType::Json {
 275         pretty: false,
 276         json_rendered: HumanReadableErrorType::Default(ColorConfig::Never),
 277     };
 278
 279     // Reference
 280     v1.search_paths
 281         .push(SearchPath::from_cli_opt("native=abc", JSON));
 282     v1.search_paths
 283         .push(SearchPath::from_cli_opt("crate=def", JSON));
 284     v1.search_paths
 285         .push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 286     v1.search_paths
 287         .push(SearchPath::from_cli_opt("framework=jkl", JSON));
 288     v1.search_paths
 289         .push(SearchPath::from_cli_opt("all=mno", JSON));
 290
 291     v2.search_paths
 292         .push(SearchPath::from_cli_opt("native=abc", JSON));
 293     v2.search_paths
 294         .push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 295     v2.search_paths
 296         .push(SearchPath::from_cli_opt("crate=def", JSON));
 297     v2.search_paths
 298         .push(SearchPath::from_cli_opt("framework=jkl", JSON));
 299     v2.search_paths
 300         .push(SearchPath::from_cli_opt("all=mno", JSON));
 301
 302     v3.search_paths
 303         .push(SearchPath::from_cli_opt("crate=def", JSON));
 304     v3.search_paths
 305         .push(SearchPath::from_cli_opt("framework=jkl", JSON));
 306     v3.search_paths
 307         .push(SearchPath::from_cli_opt("native=abc", JSON));
 308     v3.search_paths
 309         .push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 310     v3.search_paths
 311         .push(SearchPath::from_cli_opt("all=mno", JSON));
 312
 313     v4.search_paths
 314         .push(SearchPath::from_cli_opt("all=mno", JSON));
 315     v4.search_paths
 316         .push(SearchPath::from_cli_opt("native=abc", JSON));
 317     v4.search_paths
 318         .push(SearchPath::from_cli_opt("crate=def", JSON));
 319     v4.search_paths
 320         .push(SearchPath::from_cli_opt("dependency=ghi", JSON));
 321     v4.search_paths
 322         .push(SearchPath::from_cli_opt("framework=jkl", JSON));
 323
 324     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 325     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 326     assert!(v1.dep_tracking_hash() == v4.dep_tracking_hash());
 327
 328     // Check clone
 329     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 330     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 331     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 332     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 333 }
 334
 335 #[test]
 336 fn test_native_libs_tracking_hash_different_values() {
 337     let mut v1 = Options::default();
 338     let mut v2 = Options::default();
 339     let mut v3 = Options::default();
 340     let mut v4 = Options::default();
 341
 342     // Reference
 343     v1.libs = vec![
 344         (String::from("a"), None, Some(cstore::NativeStatic)),
 345         (String::from("b"), None, Some(cstore::NativeFramework)),
 346         (String::from("c"), None, Some(cstore::NativeUnknown)),
 347     ];
 348
 349     // Change label
 350     v2.libs = vec![
 351         (String::from("a"), None, Some(cstore::NativeStatic)),
 352         (String::from("X"), None, Some(cstore::NativeFramework)),
 353         (String::from("c"), None, Some(cstore::NativeUnknown)),
 354     ];
 355
 356     // Change kind
 357     v3.libs = vec![
 358         (String::from("a"), None, Some(cstore::NativeStatic)),
 359         (String::from("b"), None, Some(cstore::NativeStatic)),
 360         (String::from("c"), None, Some(cstore::NativeUnknown)),
 361     ];
 362
 363     // Change new-name
 364     v4.libs = vec![
 365         (String::from("a"), None, Some(cstore::NativeStatic)),
 366         (
 367             String::from("b"),
 368             Some(String::from("X")),
 369             Some(cstore::NativeFramework),
 370         ),
 371         (String::from("c"), None, Some(cstore::NativeUnknown)),
 372     ];
 373
 374     assert!(v1.dep_tracking_hash() != v2.dep_tracking_hash());
 375     assert!(v1.dep_tracking_hash() != v3.dep_tracking_hash());
 376     assert!(v1.dep_tracking_hash() != v4.dep_tracking_hash());
 377
 378     // Check clone
 379     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 380     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 381     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 382     assert_eq!(v4.dep_tracking_hash(), v4.clone().dep_tracking_hash());
 383 }
 384
 385 #[test]
 386 fn test_native_libs_tracking_hash_different_order() {
 387     let mut v1 = Options::default();
 388     let mut v2 = Options::default();
 389     let mut v3 = Options::default();
 390
 391     // Reference
 392     v1.libs = vec![
 393         (String::from("a"), None, Some(cstore::NativeStatic)),
 394         (String::from("b"), None, Some(cstore::NativeFramework)),
 395         (String::from("c"), None, Some(cstore::NativeUnknown)),
 396     ];
 397
 398     v2.libs = vec![
 399         (String::from("b"), None, Some(cstore::NativeFramework)),
 400         (String::from("a"), None, Some(cstore::NativeStatic)),
 401         (String::from("c"), None, Some(cstore::NativeUnknown)),
 402     ];
 403
 404     v3.libs = vec![
 405         (String::from("c"), None, Some(cstore::NativeUnknown)),
 406         (String::from("a"), None, Some(cstore::NativeStatic)),
 407         (String::from("b"), None, Some(cstore::NativeFramework)),
 408     ];
 409
 410     assert!(v1.dep_tracking_hash() == v2.dep_tracking_hash());
 411     assert!(v1.dep_tracking_hash() == v3.dep_tracking_hash());
 412     assert!(v2.dep_tracking_hash() == v3.dep_tracking_hash());
 413
 414     // Check clone
 415     assert_eq!(v1.dep_tracking_hash(), v1.clone().dep_tracking_hash());
 416     assert_eq!(v2.dep_tracking_hash(), v2.clone().dep_tracking_hash());
 417     assert_eq!(v3.dep_tracking_hash(), v3.clone().dep_tracking_hash());
 418 }
 419
 420 #[test]
 421 fn test_codegen_options_tracking_hash() {
 422     let reference = Options::default();
 423     let mut opts = Options::default();
 424
 425     // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
 426     opts.cg.ar = Some(String::from("abc"));
 427     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 428
 429     opts.cg.linker = Some(PathBuf::from("linker"));
 430     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 431
 432     opts.cg.link_args = Some(vec![String::from("abc"), String::from("def")]);
 433     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 434
 435     opts.cg.link_dead_code = true;
 436     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 437
 438     opts.cg.rpath = true;
 439     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 440
 441     opts.cg.extra_filename = String::from("extra-filename");
 442     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 443
 444     opts.cg.codegen_units = Some(42);
 445     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 446
 447     opts.cg.remark = Passes::Some(vec![String::from("pass1"), String::from("pass2")]);
 448     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 449
 450     opts.cg.save_temps = true;
 451     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 452
 453     opts.cg.incremental = Some(String::from("abc"));
 454     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 455
 456     // Make sure changing a [TRACKED] option changes the hash
 457     opts = reference.clone();
 458     opts.cg.lto = LtoCli::Fat;
 459     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 460
 461     opts = reference.clone();
 462     opts.cg.target_cpu = Some(String::from("abc"));
 463     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 464
 465     opts = reference.clone();
 466     opts.cg.target_feature = String::from("all the features, all of them");
 467     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 468
 469     opts = reference.clone();
 470     opts.cg.passes = vec![String::from("1"), String::from("2")];
 471     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 472
 473     opts = reference.clone();
 474     opts.cg.llvm_args = vec![String::from("1"), String::from("2")];
 475     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 476
 477     opts = reference.clone();
 478     opts.cg.overflow_checks = Some(true);
 479     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 480
 481     opts = reference.clone();
 482     opts.cg.no_prepopulate_passes = true;
 483     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 484
 485     opts = reference.clone();
 486     opts.cg.no_vectorize_loops = true;
 487     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 488
 489     opts = reference.clone();
 490     opts.cg.no_vectorize_slp = true;
 491     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 492
 493     opts = reference.clone();
 494     opts.cg.soft_float = true;
 495     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 496
 497     opts = reference.clone();
 498     opts.cg.prefer_dynamic = true;
 499     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 500
 501     opts = reference.clone();
 502     opts.cg.no_integrated_as = true;
 503     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 504
 505     opts = reference.clone();
 506     opts.cg.no_redzone = Some(true);
 507     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 508
 509     opts = reference.clone();
 510     opts.cg.relocation_model = Some(String::from("relocation model"));
 511     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 512
 513     opts = reference.clone();
 514     opts.cg.code_model = Some(String::from("code model"));
 515     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 516
 517     opts = reference.clone();
 518     opts.debugging_opts.tls_model = Some(String::from("tls model"));
 519     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 520
 521     opts = reference.clone();
 522     opts.cg.profile_generate = SwitchWithOptPath::Enabled(None);
 523     assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 524
 525     opts = reference.clone();
 526     opts.cg.profile_use = Some(PathBuf::from("abc"));
 527     assert_ne!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 528
 529     opts = reference.clone();
 530     opts.cg.metadata = vec![String::from("A"), String::from("B")];
 531     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 532
 533     opts = reference.clone();
 534     opts.cg.debuginfo = Some(0xdeadbeef);
 535     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 536
 537     opts = reference.clone();
 538     opts.cg.debuginfo = Some(0xba5eba11);
 539     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 540
 541     opts = reference.clone();
 542     opts.cg.force_frame_pointers = Some(false);
 543     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 544
 545     opts = reference.clone();
 546     opts.cg.debug_assertions = Some(true);
 547     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 548
 549     opts = reference.clone();
 550     opts.cg.inline_threshold = Some(0xf007ba11);
 551     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 552
 553     opts = reference.clone();
 554     opts.cg.panic = Some(PanicStrategy::Abort);
 555     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 556
 557     opts = reference.clone();
 558     opts.cg.linker_plugin_lto = LinkerPluginLto::LinkerPluginAuto;
 559     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 560 }
 561
 562 #[test]
 563 fn test_debugging_options_tracking_hash() {
 564     let reference = Options::default();
 565     let mut opts = Options::default();
 566
 567     // Make sure the changing an [UNTRACKED] option leaves the hash unchanged
 568     opts.debugging_opts.verbose = true;
 569     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 570     opts.debugging_opts.time_passes = true;
 571     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 572     opts.debugging_opts.time_llvm_passes = true;
 573     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 574     opts.debugging_opts.input_stats = true;
 575     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 576     opts.debugging_opts.borrowck_stats = true;
 577     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 578     opts.debugging_opts.meta_stats = true;
 579     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 580     opts.debugging_opts.print_link_args = true;
 581     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 582     opts.debugging_opts.print_llvm_passes = true;
 583     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 584     opts.debugging_opts.ast_json = true;
 585     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 586     opts.debugging_opts.ast_json_noexpand = true;
 587     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 588     opts.debugging_opts.ls = true;
 589     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 590     opts.debugging_opts.save_analysis = true;
 591     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 592     opts.debugging_opts.print_region_graph = true;
 593     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 594     opts.debugging_opts.parse_only = true;
 595     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 596     opts.debugging_opts.incremental = Some(String::from("abc"));
 597     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 598     opts.debugging_opts.dump_dep_graph = true;
 599     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 600     opts.debugging_opts.query_dep_graph = true;
 601     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 602     opts.debugging_opts.no_analysis = true;
 603     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 604     opts.debugging_opts.unstable_options = true;
 605     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 606     opts.debugging_opts.trace_macros = true;
 607     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 608     opts.debugging_opts.keep_hygiene_data = true;
 609     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 610     opts.debugging_opts.keep_ast = true;
 611     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 612     opts.debugging_opts.print_mono_items = Some(String::from("abc"));
 613     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 614     opts.debugging_opts.dump_mir = Some(String::from("abc"));
 615     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 616     opts.debugging_opts.dump_mir_dir = String::from("abc");
 617     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 618     opts.debugging_opts.dump_mir_graphviz = true;
 619     assert_eq!(reference.dep_tracking_hash(), opts.dep_tracking_hash());
 620
 621     // Make sure changing a [TRACKED] option changes the hash
 622     opts = reference.clone();
 623     opts.debugging_opts.asm_comments = true;
 624     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 625
 626     opts = reference.clone();
 627     opts.debugging_opts.verify_llvm_ir = true;
 628     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 629
 630     opts = reference.clone();
 631     opts.debugging_opts.no_landing_pads = true;
 632     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 633
 634     opts = reference.clone();
 635     opts.debugging_opts.fewer_names = true;
 636     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 637
 638     opts = reference.clone();
 639     opts.debugging_opts.no_codegen = true;
 640     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 641
 642     opts = reference.clone();
 643     opts.debugging_opts.treat_err_as_bug = Some(1);
 644     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 645
 646     opts = reference.clone();
 647     opts.debugging_opts.report_delayed_bugs = true;
 648     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 649
 650     opts = reference.clone();
 651     opts.debugging_opts.continue_parse_after_error = true;
 652     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 653
 654     opts = reference.clone();
 655     opts.debugging_opts.force_overflow_checks = Some(true);
 656     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 657
 658     opts = reference.clone();
 659     opts.debugging_opts.show_span = Some(String::from("abc"));
 660     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 661
 662     opts = reference.clone();
 663     opts.debugging_opts.mir_opt_level = 3;
 664     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 665
 666     opts = reference.clone();
 667     opts.debugging_opts.relro_level = Some(RelroLevel::Full);
 668     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 669
 670     opts = reference.clone();
 671     opts.debugging_opts.merge_functions = Some(MergeFunctions::Disabled);
 672     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 673
 674     opts = reference.clone();
 675     opts.debugging_opts.allow_features = Some(vec![String::from("lang_items")]);
 676     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 677
 678     opts = reference.clone();
 679     opts.debugging_opts.symbol_mangling_version = SymbolManglingVersion::V0;
 680     assert!(reference.dep_tracking_hash() != opts.dep_tracking_hash());
 681 }
 682
 683 #[test]
 684 fn test_edition_parsing() {
 685     // test default edition
 686     let options = Options::default();
 687     assert!(options.edition == DEFAULT_EDITION);
 688
 689     let matches = optgroups()
 690         .parse(&["--edition=2018".to_string()])
 691         .unwrap();
 692     let (sessopts, _) = build_session_options_and_crate_config(matches);
 693     assert!(sessopts.edition == Edition::Edition2018)
 694 }