// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license. import { assertThrows } from "./test_util.ts"; Deno.test({ permissions: { ffi: true } }, function dlopenInvalidArguments() { const filename = "/usr/lib/libc.so.6"; assertThrows(() => { // @ts-expect-error: ForeignFunction cannot be null Deno.dlopen(filename, { malloc: null }); }, TypeError); assertThrows(() => { Deno.dlopen(filename, { // @ts-expect-error: invalid NativeType malloc: { parameters: ["a"], result: "b" }, }); }, TypeError); assertThrows(() => { // @ts-expect-error: DynamicLibrary symbols cannot be null Deno.dlopen(filename, null); }, TypeError); assertThrows(() => { // @ts-expect-error: require 2 arguments Deno.dlopen(filename); }, TypeError); }); Deno.test({ permissions: { ffi: false } }, function ffiPermissionDenied() { assertThrows(() => { Deno.dlopen("/usr/lib/libc.so.6", {}); }, Deno.errors.PermissionDenied); const fnptr = new Deno.UnsafeFnPointer( // @ts-expect-error: Not NonNullable but null check is after permissions check. null, { parameters: ["u32", "pointer"], result: "void", } as const, ); assertThrows(() => { fnptr.call(123, null); }, Deno.errors.PermissionDenied); assertThrows(() => { Deno.UnsafePointer.of(new Uint8Array(0)); }, Deno.errors.PermissionDenied); const ptrView = new Deno.UnsafePointerView( // @ts-expect-error: Not NonNullable but null check is after permissions check. null, ); assertThrows(() => { ptrView.copyInto(new Uint8Array(0)); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getCString(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getUint8(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getInt8(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getUint16(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getInt16(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getUint32(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getInt32(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getFloat32(); }, Deno.errors.PermissionDenied); assertThrows(() => { ptrView.getFloat64(); }, Deno.errors.PermissionDenied); });