v8/test/mjsunit/wasm/data-segments.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

64 lines
1.9 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
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
var debug = false;
function SimpleDataSegmentTest(offset) {
print("SimpleDataSegmentTest(" + offset + ")...");
var builder = new WasmModuleBuilder();
builder.addMemory(1, 1, false);
builder.addFunction("load", kSig_i_i)
.addBody([kExprLocalGet, 0, kExprI32LoadMem, 0, 0])
.exportAs("load");
builder.addDataSegment(offset, [9, 9, 9, 9]);
var buffer = builder.toBuffer(debug);
var instance = new WebAssembly.Instance(new WebAssembly.Module(buffer));
for (var i = offset - 20; i < offset + 20; i += 4) {
if (i < 0) continue;
var expected = (i == offset) ? 151587081 : 0;
assertEquals(expected, instance.exports.load(i));
}
}
SimpleDataSegmentTest(0);
SimpleDataSegmentTest(4);
SimpleDataSegmentTest(12);
SimpleDataSegmentTest(1064);
function GlobalImportedInitTest(pad) {
print("GlobaleImportedInitTest(" + pad + ")...");
var builder = new WasmModuleBuilder();
builder.addMemory(1, 1, false);
var g = builder.addImportedGlobal("mod", "offset", kWasmI32);
while (pad-- > 0) builder.addGlobal(kWasmI32, false); // pad
builder.addFunction("load", kSig_i_i)
.addBody([kExprLocalGet, 0, kExprI32LoadMem, 0, 0])
.exportAs("load");
builder.addDataSegment(g.index, [5, 5, 5, 5], true);
var buffer = builder.toBuffer(debug);
var module = new WebAssembly.Module(buffer);
for (var offset of [0, 12, 192, 1024]) {
var instance = new WebAssembly.Instance(module, {mod: {offset: offset}});
for (var i = offset - 20; i < offset + 20; i += 4) {
if (i < 0) continue;
var expected = i == offset ? 84215045 : 0;
assertEquals(expected, instance.exports.load(i));
}
}
}
GlobalImportedInitTest(0);
GlobalImportedInitTest(1);
GlobalImportedInitTest(4);