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// This test intentionally feeds invalid inputs to codegen and checks if the error message outputs
// contain specific helpful indications.
//@ ignore-cross-compile
use run_make_support::regex::Regex;
use run_make_support::rustc;
fn main() {
// Option taking a number.
rustc()
.input("dummy.rs")
.arg("-Ccodegen-units")
.run_fail()
.assert_stderr_contains("codegen option `codegen-units` requires a number");
rustc().input("dummy.rs").arg("-Ccodegen-units=").run_fail().assert_stderr_contains(
"incorrect value `` for codegen option `codegen-units` - a number was expected",
);
rustc().input("dummy.rs").arg("-Ccodegen-units=foo").run_fail().assert_stderr_contains(
"incorrect value `foo` for codegen option `codegen-units` - a number was expected",
);
rustc().input("dummy.rs").arg("-Ccodegen-units=1").run();
// Option taking a string.
rustc()
.input("dummy.rs")
.arg("-Cextra-filename")
.run_fail()
.assert_stderr_contains("codegen option `extra-filename` requires a string");
rustc().input("dummy.rs").arg("-Cextra-filename=").run();
rustc().input("dummy.rs").arg("-Cextra-filename=foo").run();
// Option taking no argument.
rustc().input("dummy.rs").arg("-Clto=").run_fail().assert_stderr_contains(
"codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \
`fat`, or omitted",
);
rustc().input("dummy.rs").arg("-Clto=1").run_fail().assert_stderr_contains(
"codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \
`fat`, or omitted",
);
rustc().input("dummy.rs").arg("-Clto=foo").run_fail().assert_stderr_contains(
"codegen option `lto` - either a boolean (`yes`, `no`, `on`, `off`, etc), `thin`, \
`fat`, or omitted",
);
rustc().input("dummy.rs").arg("-Clto").run();
let regex = Regex::new("--gc-sections|-z[^ ]* [^ ]*<ignore>|-dead_strip|/OPT:REF").unwrap();
// Should not link dead code...
let stdout = rustc().input("dummy.rs").print("link-args").run().stdout_utf8();
assert!(regex.is_match(&stdout));
// ... unless you specifically ask to keep it
let stdout =
rustc().input("dummy.rs").print("link-args").arg("-Clink-dead-code").run().stdout_utf8();
assert!(!regex.is_match(&stdout));
}
|
