fn test_parse_cant_cache_flags()

in src/compiler/nvcc.rs [1968:2041]

• 64 lines of code
• 3 McCabe index (conditional complexity)

    fn test_parse_cant_cache_flags() {
        assert_eq!(
            CompilerArguments::CannotCache("-E", None),
            parse_arguments_gcc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-E"])
        );
        assert_eq!(
            CompilerArguments::CannotCache("-E", None),
            parse_arguments_msvc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-E"])
        );
        assert_eq!(
            CompilerArguments::CannotCache("-E", None),
            parse_arguments_nvc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-E"])
        );

        assert_eq!(
            CompilerArguments::CannotCache("-M", None),
            parse_arguments_gcc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-M"])
        );
        assert_eq!(
            CompilerArguments::CannotCache("-M", None),
            parse_arguments_msvc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-M"])
        );
        assert_eq!(
            CompilerArguments::CannotCache("-M", None),
            parse_arguments_nvc(stringvec!["-x", "cu", "-c", "foo.c", "-o", "foo.o", "-M"])
        );

        // nvcc arg parsing is very permissive, so all these are valid and should yield CannotCache
        for arg in [
            "-fdevice-time-trace",
            "--fdevice-time-trace",
            "-time",
            "--time",
        ] {
            // {-,--}fdevice-time-trace
            assert_eq!(
                CompilerArguments::CannotCache(arg, None),
                parse_arguments_gcc(stringvec![arg])
            );
            // {-,--}fdevice-time-trace -
            assert_eq!(
                CompilerArguments::CannotCache(arg, None),
                parse_arguments_msvc(stringvec![arg, "-"])
            );
            // {-,--}fdevice-time-trace-
            assert_eq!(
                CompilerArguments::CannotCache(arg, None),
                parse_arguments_msvc(stringvec![format!("{arg}-")])
            );
            // {-,--}fdevice-time-trace flamegraph.json
            assert_eq!(
                CompilerArguments::CannotCache(arg, None),
                parse_arguments_nvc(stringvec![arg, "flamegraph.json"])
            );
        }

        for arg_with_separator in [
            "-fdevice-time-trace=",
            "--fdevice-time-trace=",
            "-time=",
            "--time=",
        ] {
            // {-,--}fdevice-time-trace=-
            assert_eq!(
                CompilerArguments::CannotCache(arg_with_separator, None),
                parse_arguments_msvc(stringvec![format!("{arg_with_separator}-")])
            );
            // {-,--}fdevice-time-trace=flamegraph.json
            assert_eq!(
                CompilerArguments::CannotCache(arg_with_separator, None),
                parse_arguments_nvc(stringvec![format!("{arg_with_separator}flamegraph.json")])
            );
        }
    }