compiler/rustc_target/src/tests.rs

   1 use crate::spec::Target;
   2 use rustc_serialize::json::Json;
   3 use std::str::FromStr;
   4
   5 #[test]
   6 fn report_unused_fields() {
   7     let json = Json::from_str(
   8         r#"
   9     {
  10         "arch": "powerpc64",
  11         "data-layout": "e-m:e-i64:64-n32:64",
  12         "llvm-target": "powerpc64le-elf",
  13         "target-pointer-width": "64",
  14         "code-mode": "foo"
  15     }
  16     "#,
  17     )
  18     .unwrap();
  19     let warnings = Target::from_json(json).unwrap().1;
  20     assert_eq!(warnings.warning_messages().len(), 1);
  21     assert!(warnings.warning_messages().join("\n").contains("code-mode"));
  22 }
  23
  24 #[test]
  25 fn report_incorrect_json_type() {
  26     let json = Json::from_str(
  27         r#"
  28     {
  29         "arch": "powerpc64",
  30         "data-layout": "e-m:e-i64:64-n32:64",
  31         "llvm-target": "powerpc64le-elf",
  32         "target-pointer-width": "64",
  33         "link-env-remove": "foo"
  34     }
  35     "#,
  36     )
  37     .unwrap();
  38     let warnings = Target::from_json(json).unwrap().1;
  39     assert_eq!(warnings.warning_messages().len(), 1);
  40     assert!(warnings.warning_messages().join("\n").contains("link-env-remove"));
  41 }
  42
  43 #[test]
  44 fn no_warnings_for_valid_target() {
  45     let json = Json::from_str(
  46         r#"
  47     {
  48         "arch": "powerpc64",
  49         "data-layout": "e-m:e-i64:64-n32:64",
  50         "llvm-target": "powerpc64le-elf",
  51         "target-pointer-width": "64",
  52         "link-env-remove": ["foo"]
  53     }
  54     "#,
  55     )
  56     .unwrap();
  57     let warnings = Target::from_json(json).unwrap().1;
  58     assert_eq!(warnings.warning_messages().len(), 0);
  59 }