| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| /* eslint-disable no-undef */ |
| // Load Emscripten Module, need to change path to root/lib |
| const path = require("path"); |
| const fs = require("fs"); |
| const assert = require("assert"); |
| const tvmjs = require("../../dist"); |
| |
| const wasmPath = tvmjs.wasmPath(); |
| const EmccWASI = require(path.join(wasmPath, "tvmjs_runtime.wasi.js")); |
| const wasmSource = fs.readFileSync(path.join(wasmPath, "test_addone.wasm")); |
| |
| const tvm = new tvmjs.Instance( |
| new WebAssembly.Module(wasmSource), |
| new EmccWASI() |
| ); |
| |
| // Load system library |
| const sysLib = tvm.systemLib(); |
| |
| function randomArray(length, max) { |
| return Array.apply(null, Array(length)).map(function () { |
| return Math.random() * max; |
| }); |
| } |
| |
| test("add one", () => { |
| // grab pre-loaded function |
| const faddOne = sysLib.getFunction("add_one"); |
| assert(tvm.isPackedFunc(faddOne)); |
| const n = 124; |
| const A = tvm.empty(n).copyFrom(randomArray(n, 1)); |
| const B = tvm.empty(n); |
| // call the function. |
| faddOne(A, B); |
| const AA = A.toArray(); // retrieve values in js array |
| const BB = B.toArray(); // retrieve values in js array |
| // verify |
| for (var i = 0; i < BB.length; ++i) { |
| assert(Math.abs(BB[i] - (AA[i] + 1)) < 1e-5); |
| } |
| faddOne.dispose(); |
| }); |