// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --expose-wasm load("test/mjsunit/wasm/wasm-constants.js"); function testCallFFI(ffi) { var kBodySize = 6; var kNameAddOffset = 28 + kBodySize + 1; var kNameMainOffset = kNameAddOffset + 4; var data = bytes( kDeclMemory, 12, 12, 1, // memory // -- signatures kDeclSignatures, 1, 2, kAstI32, kAstF64, kAstF64, // (f64,f64)->int // -- foreign function kDeclFunctions, 2, kDeclFunctionName | kDeclFunctionImport, 0, 0, // signature index kNameAddOffset, 0, 0, 0, // name offset // -- main function kDeclFunctionName | kDeclFunctionExport, 0, 0, // signature index kNameMainOffset, 0, 0, 0, // name offset kBodySize, 0, // main body kExprCallFunction, 0, // -- kExprGetLocal, 0, // -- kExprGetLocal, 1, // -- // names kDeclEnd, 'f', 'u', 'n', 0, // -- 'm', 'a', 'i', 'n', 0 // -- ); print("instantiate FFI"); var module = _WASMEXP_.instantiateModule(data, ffi); } // everything is good. (function() { var ffi = new Object(); ffi.fun = function(a, b) { print(a, b); } testCallFFI(ffi); })(); // FFI object should be an object. assertThrows(function() { var ffi = 0; testCallFFI(ffi); }); // FFI object should have a "fun" property. assertThrows(function() { var ffi = new Object(); testCallFFI(ffi); }); // "fun" should be a JS function. assertThrows(function() { var ffi = new Object(); ffi.fun = new Object(); testCallFFI(ffi); }); // "fun" should be a JS function. assertThrows(function() { var ffi = new Object(); ffi.fun = 0; testCallFFI(ffi); });