mirror of
https://github.com/denoland/deno.git
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469 lines
No EOL
13 KiB
JavaScript
469 lines
No EOL
13 KiB
JavaScript
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file
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// Run using cargo test or `--v8-options=--allow-natives-syntax`
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import { assertThrows } from "../../test_util/std/testing/asserts.ts";
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const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
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const [libPrefix, libSuffix] = {
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darwin: ["lib", "dylib"],
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linux: ["lib", "so"],
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windows: ["", "dll"],
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}[Deno.build.os];
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const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`;
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const resourcesPre = Deno.resources();
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function ptr(v) {
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return Deno.UnsafePointer.of(v);
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}
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// dlopen shouldn't panic
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assertThrows(() => {
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Deno.dlopen("cli/src/main.rs", {});
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});
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assertThrows(
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() => {
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Deno.dlopen(libPath, {
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non_existent_symbol: {
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parameters: [],
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result: "void",
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},
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});
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},
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Error,
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"Failed to register symbol non_existent_symbol",
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);
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const dylib = Deno.dlopen(libPath, {
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"printSomething": {
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name: "print_something",
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parameters: [],
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result: "void",
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},
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"print_buffer": { parameters: ["pointer", "usize"], result: "void" },
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"print_buffer2": {
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parameters: ["pointer", "usize", "pointer", "usize"],
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result: "void",
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},
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"return_buffer": { parameters: [], result: "pointer" },
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"is_null_ptr": { parameters: ["pointer"], result: "u8" },
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"add_u32": { parameters: ["u32", "u32"], result: "u32" },
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"add_i32": { parameters: ["i32", "i32"], result: "i32" },
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"add_u64": { parameters: ["u64", "u64"], result: "u64" },
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"add_i64": { parameters: ["i64", "i64"], result: "i64" },
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"add_usize": { parameters: ["usize", "usize"], result: "usize" },
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"add_usize_fast": { parameters: ["usize", "usize"], result: "u32" },
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"add_isize": { parameters: ["isize", "isize"], result: "isize" },
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"add_f32": { parameters: ["f32", "f32"], result: "f32" },
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"add_f64": { parameters: ["f64", "f64"], result: "f64" },
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"add_u32_nonblocking": {
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name: "add_u32",
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parameters: ["u32", "u32"],
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result: "u32",
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nonblocking: true,
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},
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"add_i32_nonblocking": {
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name: "add_i32",
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parameters: ["i32", "i32"],
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result: "i32",
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nonblocking: true,
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},
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"add_u64_nonblocking": {
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name: "add_u64",
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parameters: ["u64", "u64"],
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result: "u64",
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nonblocking: true,
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},
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"add_i64_nonblocking": {
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name: "add_i64",
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parameters: ["i64", "i64"],
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result: "i64",
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nonblocking: true,
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},
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"add_usize_nonblocking": {
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name: "add_usize",
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parameters: ["usize", "usize"],
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result: "usize",
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nonblocking: true,
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},
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"add_isize_nonblocking": {
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name: "add_isize",
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parameters: ["isize", "isize"],
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result: "isize",
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nonblocking: true,
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},
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"add_f32_nonblocking": {
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name: "add_f32",
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parameters: ["f32", "f32"],
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result: "f32",
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nonblocking: true,
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},
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"add_f64_nonblocking": {
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name: "add_f64",
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parameters: ["f64", "f64"],
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result: "f64",
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nonblocking: true,
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},
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"fill_buffer": { parameters: ["u8", "pointer", "usize"], result: "void" },
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"sleep_nonblocking": {
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name: "sleep_blocking",
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parameters: ["u64"],
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result: "void",
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nonblocking: true,
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},
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"sleep_blocking": { parameters: ["u64"], result: "void" },
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"nonblocking_buffer": {
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parameters: ["pointer", "usize"],
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result: "void",
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nonblocking: true,
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},
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"get_add_u32_ptr": {
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parameters: [],
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result: "pointer",
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},
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"get_sleep_blocking_ptr": {
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parameters: [],
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result: "pointer",
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},
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// Callback function
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call_fn_ptr: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_thread_safe: {
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name: "call_fn_ptr",
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parameters: ["function"],
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result: "void",
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nonblocking: true,
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},
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call_fn_ptr_many_parameters: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_u8: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_u8_thread_safe: {
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name: "call_fn_ptr_return_u8",
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_buffer: {
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parameters: ["function"],
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result: "void",
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},
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store_function: {
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parameters: ["function"],
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result: "void",
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},
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store_function_2: {
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parameters: ["function"],
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result: "void",
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},
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call_stored_function: {
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parameters: [],
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result: "void",
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callback: true,
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},
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call_stored_function_2: {
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parameters: ["u8"],
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result: "void",
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callback: true,
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},
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// Statics
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"static_u32": {
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type: "u32",
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},
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"static_i64": {
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type: "i64",
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},
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"static_ptr": {
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type: "pointer",
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},
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});
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const { symbols } = dylib;
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symbols.printSomething();
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const buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
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const buffer2 = new Uint8Array([9, 10]);
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dylib.symbols.print_buffer(buffer, buffer.length);
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// Test subarrays
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const subarray = buffer.subarray(3);
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dylib.symbols.print_buffer(subarray, subarray.length - 2);
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dylib.symbols.print_buffer2(buffer, buffer.length, buffer2, buffer2.length);
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const ptr0 = dylib.symbols.return_buffer();
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dylib.symbols.print_buffer(ptr0, 8);
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const ptrView = new Deno.UnsafePointerView(ptr0);
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const into = new Uint8Array(6);
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const into2 = new Uint8Array(3);
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const into2ptr = Deno.UnsafePointer.of(into2);
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const into2ptrView = new Deno.UnsafePointerView(into2ptr);
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const into3 = new Uint8Array(3);
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ptrView.copyInto(into);
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console.log([...into]);
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ptrView.copyInto(into2, 3);
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console.log([...into2]);
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into2ptrView.copyInto(into3);
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console.log([...into3]);
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const string = new Uint8Array([
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...new TextEncoder().encode("Hello from pointer!"),
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0,
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]);
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const stringPtr = Deno.UnsafePointer.of(string);
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const stringPtrview = new Deno.UnsafePointerView(stringPtr);
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console.log(stringPtrview.getCString());
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console.log(stringPtrview.getCString(11));
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console.log(Boolean(dylib.symbols.is_null_ptr(ptr0)));
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console.log(Boolean(dylib.symbols.is_null_ptr(null)));
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console.log(Boolean(dylib.symbols.is_null_ptr(Deno.UnsafePointer.of(into))));
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const emptyBuffer = new BigUint64Array(0);
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console.log(Boolean(dylib.symbols.is_null_ptr(emptyBuffer)));
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const emptySlice = into.subarray(6);
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console.log(Boolean(dylib.symbols.is_null_ptr(emptySlice)));
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const addU32Ptr = dylib.symbols.get_add_u32_ptr();
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const addU32 = new Deno.UnsafeFnPointer(addU32Ptr, {
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parameters: ["u32", "u32"],
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result: "u32",
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});
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console.log(addU32.call(123, 456));
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const sleepBlockingPtr = dylib.symbols.get_sleep_blocking_ptr();
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const sleepNonBlocking = new Deno.UnsafeFnPointer(sleepBlockingPtr, {
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nonblocking: true,
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parameters: ["u64"],
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result: "void",
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});
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const before = performance.now();
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await sleepNonBlocking.call(100);
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console.log(performance.now() - before >= 100);
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const { add_u32, add_usize_fast } = symbols;
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function addU32Fast(a, b) {
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return add_u32(a, b);
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};
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%PrepareFunctionForOptimization(addU32Fast);
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console.log(addU32Fast(123, 456));
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%OptimizeFunctionOnNextCall(addU32Fast);
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console.log(addU32Fast(123, 456));
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function addU64Fast(a, b) { return add_usize_fast(a, b); };
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%PrepareFunctionForOptimization(addU64Fast);
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console.log(addU64Fast(2, 3));
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%OptimizeFunctionOnNextCall(addU64Fast);
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console.log(addU64Fast(2, 3));
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console.log(dylib.symbols.add_i32(123, 456));
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console.log(dylib.symbols.add_u64(0xffffffffn, 0xffffffffn));
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console.log(dylib.symbols.add_i64(-0xffffffffn, -0xffffffffn));
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console.log(dylib.symbols.add_usize(0xffffffffn, 0xffffffffn));
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console.log(dylib.symbols.add_isize(-0xffffffffn, -0xffffffffn));
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console.log(dylib.symbols.add_f32(123.123, 456.789));
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console.log(dylib.symbols.add_f64(123.123, 456.789));
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// Test adders as nonblocking calls
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console.log(await dylib.symbols.add_i32_nonblocking(123, 456));
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console.log(await dylib.symbols.add_u64_nonblocking(0xffffffffn, 0xffffffffn));
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console.log(
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await dylib.symbols.add_i64_nonblocking(-0xffffffffn, -0xffffffffn),
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);
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console.log(
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await dylib.symbols.add_usize_nonblocking(0xffffffffn, 0xffffffffn),
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);
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console.log(
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await dylib.symbols.add_isize_nonblocking(-0xffffffffn, -0xffffffffn),
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);
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console.log(await dylib.symbols.add_f32_nonblocking(123.123, 456.789));
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console.log(await dylib.symbols.add_f64_nonblocking(123.123, 456.789));
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// test mutating sync calls
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function test_fill_buffer(fillValue, arr) {
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let buf = new Uint8Array(arr);
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dylib.symbols.fill_buffer(fillValue, buf, buf.length);
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for (let i = 0; i < buf.length; i++) {
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if (buf[i] !== fillValue) {
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throw new Error(`Found '${buf[i]}' in buffer, expected '${fillValue}'.`);
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}
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}
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}
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test_fill_buffer(0, [2, 3, 4]);
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test_fill_buffer(5, [2, 7, 3, 2, 1]);
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// Test non blocking calls
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function deferred() {
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let methods;
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const promise = new Promise((resolve, reject) => {
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methods = {
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async resolve(value) {
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await value;
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resolve(value);
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},
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reject(reason) {
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reject(reason);
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},
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};
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});
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return Object.assign(promise, methods);
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}
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const promise = deferred();
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const buffer3 = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
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dylib.symbols.nonblocking_buffer(buffer3, buffer3.length).then(() => {
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promise.resolve();
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});
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await promise;
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let start = performance.now();
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dylib.symbols.sleep_blocking(100);
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console.log("After sleep_blocking");
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console.log(performance.now() - start >= 100);
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start = performance.now();
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const promise_2 = dylib.symbols.sleep_nonblocking(100).then(() => {
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console.log("After");
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console.log(performance.now() - start >= 100);
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});
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console.log("Before");
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console.log(performance.now() - start < 100);
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// Await to make sure `sleep_nonblocking` calls and logs before we proceed
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await promise_2;
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// Test calls with callback parameters
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const logCallback = new Deno.UnsafeCallback(
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{ parameters: [], result: "void" },
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() => console.log("logCallback"),
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);
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const logManyParametersCallback = new Deno.UnsafeCallback({
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parameters: [
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"u8",
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"i8",
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"u16",
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"i16",
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"u32",
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"i32",
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"u64",
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"i64",
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"f32",
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"f64",
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"pointer",
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],
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result: "void",
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}, (u8, i8, u16, i16, u32, i32, u64, i64, f32, f64, pointer) => {
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const view = new Deno.UnsafePointerView(pointer);
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const copy_buffer = new Uint8Array(8);
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view.copyInto(copy_buffer);
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console.log(u8, i8, u16, i16, u32, i32, u64, i64, f32, f64, ...copy_buffer);
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});
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const returnU8Callback = new Deno.UnsafeCallback(
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{ parameters: [], result: "u8" },
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() => 8,
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);
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const returnBufferCallback = new Deno.UnsafeCallback({
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parameters: [],
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result: "pointer",
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}, () => {
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return buffer;
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});
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const add10Callback = new Deno.UnsafeCallback({
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parameters: ["u8"],
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result: "u8",
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}, (value) => value + 10);
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const throwCallback = new Deno.UnsafeCallback({
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parameters: [],
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result: "void",
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}, () => {
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throw new TypeError("hi");
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});
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assertThrows(
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() => {
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dylib.symbols.call_fn_ptr(ptr(throwCallback));
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},
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TypeError,
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"hi",
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);
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const { call_stored_function } = dylib.symbols;
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dylib.symbols.call_fn_ptr(ptr(logCallback));
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dylib.symbols.call_fn_ptr_many_parameters(ptr(logManyParametersCallback));
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dylib.symbols.call_fn_ptr_return_u8(ptr(returnU8Callback));
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dylib.symbols.call_fn_ptr_return_buffer(ptr(returnBufferCallback));
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dylib.symbols.store_function(ptr(logCallback));
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call_stored_function();
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dylib.symbols.store_function_2(ptr(add10Callback));
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dylib.symbols.call_stored_function_2(20);
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const nestedCallback = new Deno.UnsafeCallback(
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{ parameters: [], result: "void" },
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() => {
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dylib.symbols.call_stored_function_2(10);
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},
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);
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dylib.symbols.store_function(ptr(nestedCallback));
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dylib.symbols.store_function(null);
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dylib.symbols.store_function_2(null);
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let counter = 0;
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const addToFooCallback = new Deno.UnsafeCallback({
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parameters: [],
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result: "void",
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}, () => counter++);
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// Test thread safe callbacks
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console.log("Thread safe call counter:", counter);
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addToFooCallback.ref();
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await dylib.symbols.call_fn_ptr_thread_safe(ptr(addToFooCallback));
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addToFooCallback.unref();
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logCallback.ref();
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await dylib.symbols.call_fn_ptr_thread_safe(ptr(logCallback));
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logCallback.unref();
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console.log("Thread safe call counter:", counter);
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returnU8Callback.ref();
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await dylib.symbols.call_fn_ptr_return_u8_thread_safe(ptr(returnU8Callback));
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// Test statics
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console.log("Static u32:", dylib.symbols.static_u32);
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console.log("Static i64:", dylib.symbols.static_i64);
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console.log(
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"Static ptr:",
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typeof dylib.symbols.static_ptr === "bigint",
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);
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const view = new Deno.UnsafePointerView(dylib.symbols.static_ptr);
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console.log("Static ptr value:", view.getUint32());
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(function cleanup() {
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dylib.close();
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throwCallback.close();
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logCallback.close();
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logManyParametersCallback.close();
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returnU8Callback.close();
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returnBufferCallback.close();
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add10Callback.close();
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nestedCallback.close();
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addToFooCallback.close();
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const resourcesPost = Deno.resources();
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const preStr = JSON.stringify(resourcesPre, null, 2);
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const postStr = JSON.stringify(resourcesPost, null, 2);
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if (preStr !== postStr) {
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throw new Error(
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`Difference in open resources before dlopen and after closing:
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Before: ${preStr}
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After: ${postStr}`,
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);
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}
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console.log("Correct number of resources");
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})(); |