v8/test/mjsunit/wasm/globals.js
titzer e97ca6ec47 [wasm] Refactor import handling for 0xC.
Imports and exports in 0xC can be much more than functions, including
tables, memories, and globals. This CL refactors the underlying
organization of imports and exports to support these new import types.

BUG=

Committed: https://crrev.com/599f8a83420346d9cba5ff97bd2a7520468207b6
Review-Url: https://codereview.chromium.org/2390113003
Cr-Original-Commit-Position: refs/heads/master@{#40033}
Cr-Commit-Position: refs/heads/master@{#40050}
2016-10-06 15:43:22 +00:00

67 lines
2.2 KiB
JavaScript

// 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("foo", undefined, type);
builder.addFunction("main", sig)
.addBody([kExprGetGlobal, g.index])
.exportAs("main");
builder.addGlobal(kAstI32); // pad
var instance = builder.instantiate({foo: val});
assertEquals(expected, instance.exports.main());
}
TestImported(kAstI32, 300.1, 300);
TestImported(kAstF32, 87234.87238, Math.fround(87234.87238));
TestImported(kAstF64, 77777.88888, 77777.88888);
TestImported(kAstF64, "89", 89);
function TestExported(type, val, expected) {
print("TestExported " + type + "(" + val +")" + " = " + expected);
var builder = new WasmModuleBuilder();
var sig = makeSig([type], []);
builder.addGlobal(kAstI32); // pad
var g = builder.addGlobal(type, false)
.exportAs("foo");
g.init = val;
builder.addGlobal(kAstI32); // pad
var instance = builder.instantiate();
assertEquals(expected, instance.exports.foo);
}
TestExported(kAstI32, 455.5, 455);
TestExported(kAstF32, -999.34343, Math.fround(-999.34343));
TestExported(kAstF64, 87347.66666, 87347.66666);
function TestImportedExported(type, val, expected) {
print("TestImportedExported " + type + "(" + val +")" + " = " + expected);
var builder = new WasmModuleBuilder();
var sig = makeSig([type], []);
var i = builder.addImportedGlobal("foo", undefined, type);
builder.addGlobal(kAstI32); // pad
var o = builder.addGlobal(type, false)
.exportAs("bar");
o.init_index = i;
builder.addGlobal(kAstI32); // pad
var instance = builder.instantiate({foo: val});
assertEquals(expected, instance.exports.bar);
}
TestImportedExported(kAstI32, 415.5, 415);
TestImportedExported(kAstF32, -979.34343, Math.fround(-979.34343));
TestImportedExported(kAstF64, 81347.66666, 81347.66666);