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// 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);
});
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