blob: 8643093db01b586d18880ad6ffacdba01c3347ab [file] [log] [blame]
// Copyright 2017 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.
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
const builder = new WasmModuleBuilder();
builder.addMemory(1, kV8MaxPages, false);
builder.addFunction('load', kSig_i_ii)
.addBody([
kExprGetLocal, 0,
kExprI64SConvertI32,
kExprGetLocal, 1,
kExprI64SConvertI32,
kExprI64Shl,
kExprI32ConvertI64,
kExprI32LoadMem, 0, 0])
.exportFunc();
const module = builder.instantiate();
let start = 12;
let address = start;
for (i = 1; i < 64; i++) {
// This is the address which will be accessed in the code. We cannot use
// shifts to calculate the address because JS shifts work on 32-bit integers.
address = (address * 2) % 4294967296;
if (address < kPageSize) {
assertEquals(0, module.exports.load(start, i));
} else {
assertTraps(kTrapMemOutOfBounds, _ => { module.exports.load(start, i);});
}
}