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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
// deno-lint-ignore-file
const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
const [libPrefix, libSuffix] = {
darwin: ["lib", "dylib"],
linux: ["lib", "so"],
windows: ["", "dll"],
}[Deno.build.os];
const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`;
const resourcesPre = Deno.resources();
// dlopen shouldn't panic
try {
Deno.dlopen("cli/src/main.rs", {});
} catch (_) {
console.log("dlopen doesn't panic");
}
const dylib = Deno.dlopen(libPath, {
"print_something": { parameters: [], result: "void" },
"print_buffer": { parameters: ["buffer", "usize"], result: "void" },
"add_u32": { parameters: ["u32", "u32"], result: "u32" },
"add_i32": { parameters: ["i32", "i32"], result: "i32" },
"add_u64": { parameters: ["u64", "u64"], result: "u64" },
"add_i64": { parameters: ["i64", "i64"], result: "i64" },
"add_usize": { parameters: ["usize", "usize"], result: "usize" },
"add_isize": { parameters: ["isize", "isize"], result: "isize" },
"add_f32": { parameters: ["f32", "f32"], result: "f32" },
"add_f64": { parameters: ["f64", "f64"], result: "f64" },
"sleep_blocking": { parameters: ["u64"], result: "void", nonblocking: true },
"nonblocking_buffer": {
parameters: ["buffer", "usize"],
result: "void",
nonblocking: true,
},
});
dylib.symbols.print_something();
const buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
dylib.symbols.print_buffer(buffer, buffer.length);
console.log(dylib.symbols.add_u32(123, 456));
console.log(dylib.symbols.add_i32(123, 456));
console.log(dylib.symbols.add_u64(123, 456));
console.log(dylib.symbols.add_i64(123, 456));
console.log(dylib.symbols.add_usize(123, 456));
console.log(dylib.symbols.add_isize(123, 456));
console.log(dylib.symbols.add_f32(123.123, 456.789));
console.log(dylib.symbols.add_f64(123.123, 456.789));
// Test non blocking calls
function deferred() {
let methods;
const promise = new Promise((resolve, reject) => {
methods = {
async resolve(value) {
await value;
resolve(value);
},
reject(reason) {
reject(reason);
},
};
});
return Object.assign(promise, methods);
}
const promise = deferred();
const buffer2 = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
dylib.symbols.nonblocking_buffer(buffer2, buffer2.length).then(() => {
promise.resolve();
});
await promise;
const start = performance.now();
dylib.symbols.sleep_blocking(100).then(() => {
console.log("After");
console.log(performance.now() - start >= 100);
// Close after task is complete.
cleanup();
});
console.log("Before");
console.log(performance.now() - start < 100);
function cleanup() {
dylib.close();
const resourcesPost = Deno.resources();
const preStr = JSON.stringify(resourcesPre, null, 2);
const postStr = JSON.stringify(resourcesPost, null, 2);
if (preStr !== postStr) {
throw new Error(
`Difference in open resources before dlopen and after closing:
Before: ${preStr}
After: ${postStr}`,
);
}
console.log("Correct number of resources");
}
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