// 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");
var module = (function () {
var kBodySize = 5;
var kNameOffset = 21 + kBodySize + 1;
return _WASMEXP_.instantiateModule(bytes(
// -- memory
kDeclMemory,
12, 12, 1,
// -- signatures
kDeclSignatures, 1,
2, kAstI32, kAstI32, kAstI32, // int, int -> int
// -- functions
kDeclFunctions, 1,
kDeclFunctionName | kDeclFunctionExport,
0, 0,
kNameOffset, 0, 0, 0, // name offset
kBodySize, 0,
// -- body
kExprI32Sub, // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
kDeclEnd,
's', 'u', 'b', 0 // name
));
})();
// Check the module exists.
assertFalse(module === undefined);
assertFalse(module === null);
assertFalse(module === 0);
assertEquals("object", typeof module);
// Check the memory is an ArrayBuffer.
var mem = module.memory;
assertFalse(mem === undefined);
assertFalse(mem === null);
assertFalse(mem === 0);
assertEquals("object", typeof mem);
assertTrue(mem instanceof ArrayBuffer);
for (var i = 0; i < 4; i++) {
module.memory = 0; // should be ignored
assertEquals(mem, module.memory);
}
assertEquals(4096, module.memory.byteLength);
// Check the properties of the sub function.
assertEquals("function", typeof module.sub);
assertEquals(-55, module.sub(33, 88));
assertEquals(-55555, module.sub(33333, 88888));
assertEquals(-5555555, module.sub(3333333, 8888888));
var module = (function() {
var kBodySize = 1;
var kNameOffset2 = 19 + kBodySize + 1;
return _WASMEXP_.instantiateModule(bytes(
// -- memory
kDeclMemory,
12, 12, 1,
// -- signatures
kDeclSignatures, 1,
0, kAstStmt, // signature: void -> void
// -- functions
kDeclFunctions, 1,
kDeclFunctionName | kDeclFunctionExport,
0, 0, // signature index
kNameOffset2, 0, 0, 0, // name offset
kBodySize, 0,
kExprNop, // body
kDeclEnd,
'n', 'o', 'p', 0 // name
));
})();
// Check the module exists.
assertFalse(module === undefined);
assertFalse(module === null);
assertFalse(module === 0);
assertEquals("object", typeof module);
// Check the memory is an ArrayBuffer.
var mem = module.memory;
assertFalse(mem === undefined);
assertFalse(mem === null);
assertFalse(mem === 0);
assertEquals("object", typeof mem);
assertTrue(mem instanceof ArrayBuffer);
for (var i = 0; i < 4; i++) {
module.memory = 0; // should be ignored
assertEquals(mem, module.memory);
}
assertEquals(4096, module.memory.byteLength);
// Check the properties of the sub function.
assertFalse(module.nop === undefined);
assertFalse(module.nop === null);
assertFalse(module.nop === 0);
assertEquals("function", typeof module.nop);
assertEquals(undefined, module.nop());
(function testLt() {
var kBodySize = 5;
var kNameOffset = 21 + kBodySize + 1;
var data = bytes(
// -- memory
kDeclMemory,
12, 12, 1,
// -- signatures
kDeclSignatures, 1,
2, kAstI32, kAstF64, kAstF64, // (f64,f64)->int
// -- functions
kDeclFunctions, 1,
kDeclFunctionName | kDeclFunctionExport,
0, 0, // signature index
kNameOffset, 0, 0, 0, // name offset
kBodySize, 0,
// -- body
kExprF64Lt, // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
kDeclEnd,
'f', 'l', 't', 0 // name
);
var module = _WASMEXP_.instantiateModule(data);
assertEquals("function", typeof module.flt);
assertEquals(1, module.flt(-2, -1));
assertEquals(0, module.flt(7.3, 7.1));
assertEquals(1, module.flt(7.1, 7.3));
})();