blob: 7cf0e980aa5edf7a0e59a9e05abe3e7f7a8d3aa2 [file] [log] [blame]
import Builder from '../Builder.js'
import * as assert from '../assert.js'
const pageSize = 64 * 1024;
const numPages = 10;
const builder = (new Builder())
.Type().End()
.Import()
.Memory("a", "b", {initial: numPages})
.End()
.Function().End()
.Export().Function("foo").End()
.Code()
.Function("foo", {params: ["i32"], ret: "i32"})
.GetLocal(0)
.I32Load(2, 0)
.Return()
.End()
.End();
const bin = builder.WebAssembly().get();
const module = new WebAssembly.Module(bin);
const foo = new WebAssembly.Instance(module, {a: {b: new WebAssembly.Memory({initial: numPages})}}).exports.foo;
function wasmFrameCountFromError(e) {
let stackFrames = e.stack.split("\n").filter((s) => s.indexOf("wasm-") !== -1);
return stackFrames.length;
}
for (let i = 0; i < 1000; i++) {
const e = assert.throws(() => foo(numPages * pageSize + 1), WebAssembly.RuntimeError, "Out of bounds memory access");
assert.eq(wasmFrameCountFromError(e), 2);
}