v8/test/mjsunit/wasm/wasm-struct-js-interop.js
Igor Sheludko 775303f4b9 [wasm-gc] Support WasmObject elements loading in runtime
This CL adds WASM_ARRAY_ELEMENTS to distinguish WasmArray maps.

Bug: v8:11804
Change-Id: I243ce24c2f2246efbc223af14361c28506e9a2d2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2922884
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75109}
2021-06-11 21:47:44 +00:00

87 lines
2.4 KiB
JavaScript

// Copyright 2021 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: --allow-natives-syntax --experimental-wasm-gc --wasm-gc-js-interop
// Flags: --expose-gc
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
const kIterationsCountForICProgression = 20;
// TODO(ishell): remove once leaked maps could keep NativeModule alive.
let instances = [];
function createStruct_i() {
let builder = new WasmModuleBuilder();
const type_index = builder.addStruct([
{type: kWasmI32, mutability: true},
]);
let sig_a_i = makeSig_r_x(kWasmDataRef, kWasmI32);
let sig_i_a = makeSig_r_x(kWasmI32, kWasmDataRef);
let sig_v_ai = makeSig([kWasmDataRef, kWasmI32], []);
builder.addFunction("new_struct", sig_a_i)
.addBody([
kExprLocalGet, 0, // --
kGCPrefix, kExprRttCanon, type_index, // --
kGCPrefix, kExprStructNewWithRtt, type_index]) // --
.exportAs("new_struct");
builder.addFunction("get_field", sig_i_a)
.addBody([
kExprLocalGet, 0, // --
kGCPrefix, kExprRttCanon, type_index, // --
kGCPrefix, kExprRefCast, // --
kGCPrefix, kExprStructGet, type_index, 0]) // --
.exportAs("get_field");
builder.addFunction("set_field", sig_v_ai)
.addBody([
kExprLocalGet, 0, // --
kGCPrefix, kExprRttCanon, type_index, // --
kGCPrefix, kExprRefCast, // --
kExprLocalGet, 1, // --
kGCPrefix, kExprStructSet, type_index, 0]) // --
.exportAs("set_field");
let instance = builder.instantiate();
instances.push(instance);
let new_struct = instance.exports.new_struct;
let get_field = instance.exports.get_field;
let set_field = instance.exports.set_field;
let value = 42;
let o = new_struct(value);
%DebugPrint(o);
let res;
res = get_field(o);
assertEquals(value, res);
set_field(o, 153);
res = get_field(o);
assertEquals(153, res);
return o;
}
(function TestSimpleStructInterop() {
function f(o) {
for (let i = 0; i < kIterationsCountForICProgression; i++) {
let v = o.$field0;
assertEquals(153, v);
v = o[i];
assertEquals(undefined, v);
}
}
let o = createStruct_i();
%DebugPrint(o);
f(o);
gc();
})();