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