const EXPECTED: &str = "\
cxxbridge $VERSION
David Tolnay <dtolnay@gmail.com>
https://github.com/dtolnay/cxx
Usage:
cxxbridge <input>.rs Emit .cc file for bridge to stdout
cxxbridge <input>.rs --header Emit .h file for bridge to stdout
cxxbridge --header Emit \"rust/cxx.h\" header to stdout
Arguments:
[input]
Input Rust source file containing #[cxx::bridge].
Options:
--cfg <name=\"value\" | name[=true] | name=false>
Compilation configuration matching what will be used to build
the Rust side of the bridge.
--cxx-impl-annotations <annotation>
Optional annotation for implementations of C++ function wrappers
that may be exposed to Rust. You may for example need to provide
__declspec(dllexport) or __attribute__((visibility(\"default\")))
if Rust code from one shared object or executable depends on
these C++ functions in another.
--header
Emit header with declarations only. Optional if using `-o` with
a path ending in `.h`.
--help
Print help information.
-i, --include <include>
Any additional headers to #include. The cxxbridge tool does not
parse or even require the given paths to exist; they simply go
into the generated C++ code as #include lines.
-o, --output <output>
Path of file to write as output. Output goes to stdout if -o is
not specified.
--version
Print version information.
";
#[test]
fn test_help() {
let mut app = super::app();
let mut out = Vec::new();
app.write_long_help(&mut out).unwrap();
let help = String::from_utf8(out).unwrap();
let version = option_env!("CARGO_PKG_VERSION").unwrap_or_default();
let expected = EXPECTED.replace("$VERSION", version);
assert_eq!(help, expected);
}
#[test]
fn test_cli() {
let app = super::app();
app.debug_assert();
}