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// Copyright 2016 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");
load("test/mjsunit/wasm/wasm-module-builder.js");
function TestImported(type, val, expected) {
print("TestImported " + type + "(" + val +")" + " = " + expected);
var builder = new WasmModuleBuilder();
var sig = makeSig([], [type]);
var g = builder.addImportedGlobal("uuu", "foo", type);
builder.addFunction("main", sig)
.addBody([kExprGetGlobal, g])
.exportAs("main");
builder.addGlobal(kWasmI32); // pad
var instance = builder.instantiate({uuu: {foo: val}});
assertEquals(expected, instance.exports.main());
}
TestImported(kWasmI32, 300.1, 300);
TestImported(kWasmF32, 87234.87238, Math.fround(87234.87238));
TestImported(kWasmF64, 77777.88888, 77777.88888);
function TestExported(type, val, expected) {
print("TestExported " + type + "(" + val +")" + " = " + expected);
var builder = new WasmModuleBuilder();
var sig = makeSig([type], []);
builder.addGlobal(kWasmI32); // pad
var g = builder.addGlobal(type, false)
.exportAs("foo");
g.init = val;
builder.addGlobal(kWasmI32); // pad
var instance = builder.instantiate();
assertEquals(expected, instance.exports.foo);
}
TestExported(kWasmI32, 455.5, 455);
TestExported(kWasmF32, -999.34343, Math.fround(-999.34343));
TestExported(kWasmF64, 87347.66666, 87347.66666);
(function TestI64Exported() {
var builder = new WasmModuleBuilder();
var sig = makeSig([kWasmI64], []);
builder.addGlobal(kWasmI32); // pad
var g = builder.addGlobal(kWasmI64, false)
.exportAs("foo");
g.init = 1234;
builder.addGlobal(kWasmI32); // pad
assertThrows(()=> {builder.instantiate()}, WebAssembly.LinkError);
})();
function TestImportedExported(type, val, expected) {
print("TestImportedExported " + type + "(" + val +")" + " = " + expected);
var builder = new WasmModuleBuilder();
var sig = makeSig([type], []);
var i = builder.addImportedGlobal("ttt", "foo", type);
builder.addGlobal(kWasmI32); // pad
var o = builder.addGlobal(type, false)
.exportAs("bar");
o.init_index = i;
builder.addGlobal(kWasmI32); // pad
var instance = builder.instantiate({ttt: {foo: val}});
assertEquals(expected, instance.exports.bar);
}
TestImportedExported(kWasmI32, 415.5, 415);
TestImportedExported(kWasmF32, -979.34343, Math.fround(-979.34343));
TestImportedExported(kWasmF64, 81347.66666, 81347.66666);
function TestGlobalIndexSpace(type, val) {
print("TestGlobalIndexSpace(" + val + ") = " + val);
var builder = new WasmModuleBuilder();
var im = builder.addImportedGlobal("nnn", "foo", type);
assertEquals(0, im);
var def = builder.addGlobal(type, false);
assertEquals(1, def.index);
def.init_index = im;
var sig = makeSig([], [type]);
builder.addFunction("main", sig)
.addBody([kExprGetGlobal, def.index])
.exportAs("main");
var instance = builder.instantiate({nnn: {foo: val}});
assertEquals(val, instance.exports.main());
}
TestGlobalIndexSpace(kWasmI32, 123);
TestGlobalIndexSpace(kWasmF32, 54321.125);
TestGlobalIndexSpace(kWasmF64, 12345.678);
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