compiler/rustc_target/src/tests.rs

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