| // 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); |
| }); |