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extern crate run_make_support;
use run_make_support::{out_dir, rustc};
use std::path::Path;
use std::process::Command;
fn main() {
if std::env::var("TARGET").unwrap() != "wasm32-wasip1" {
return;
}
rustc().arg("foo.rs").arg("--target=wasm32-wasip1").run();
let file = out_dir().join("foo.wasm");
let has_wasmtime = match Command::new("wasmtime").arg("--version").output() {
Ok(s) => s.status.success(),
_ => false,
};
if !has_wasmtime {
println!("skipping test, wasmtime isn't available");
return;
}
run(&file, "return_two_i32", "1\n2\n");
run(&file, "return_two_i64", "3\n4\n");
run(&file, "return_two_f32", "5\n6\n");
run(&file, "return_two_f64", "7\n8\n");
run(&file, "return_mishmash", "9\n10\n11\n12\n13\n14\n");
run(&file, "call_imports", "");
}
fn run(file: &Path, method: &str, expected_output: &str) {
let output = Command::new("wasmtime")
.arg("run")
.arg("--preload=host=host.wat")
.arg("--invoke")
.arg(method)
.arg(file)
.output()
.unwrap();
assert!(output.status.success());
assert_eq!(expected_output, String::from_utf8_lossy(&output.stdout));
}
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