84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
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// Copyright 2021 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --experimental-wasm-gc --wasm-gc-js-interop
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// Flags: --expose-gc
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// Flags: --no-lazy-feedback-allocation
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load("test/mjsunit/wasm/wasm-module-builder.js");
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// TODO(ishell): remove once leaked maps could keep NativeModule alive.
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let instances = [];
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function createStruct_i() {
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let builder = new WasmModuleBuilder();
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const type_index = builder.addStruct([
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{type: kWasmI32, mutability: true},
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]);
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let sig_a_i = makeSig_r_x(kWasmDataRef, kWasmI32);
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let sig_i_a = makeSig_r_x(kWasmI32, kWasmDataRef);
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let sig_v_ai = makeSig([kWasmDataRef, kWasmI32], []);
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builder.addFunction("new_struct", sig_a_i)
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprRttCanon, type_index, // --
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kGCPrefix, kExprStructNewWithRtt, type_index]) // --
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.exportAs("new_struct");
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builder.addFunction("get_field", sig_i_a)
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprRttCanon, type_index, // --
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kGCPrefix, kExprRefCast, // --
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kGCPrefix, kExprStructGet, type_index, 0]) // --
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.exportAs("get_field");
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builder.addFunction("set_field", sig_v_ai)
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprRttCanon, type_index, // --
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kGCPrefix, kExprRefCast, // --
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kExprLocalGet, 1, // --
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kGCPrefix, kExprStructSet, type_index, 0]) // --
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.exportAs("set_field");
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let instance = builder.instantiate();
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instances.push(instance);
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let new_struct = instance.exports.new_struct;
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let get_field = instance.exports.get_field;
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let set_field = instance.exports.set_field;
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let value = 42;
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let o = new_struct(value);
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%DebugPrint(o);
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let res;
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res = get_field(o);
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assertEquals(value, res);
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set_field(o, 153);
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res = get_field(o);
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assertEquals(153, res);
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return o;
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}
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(function TestSimpleStructInterop() {
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function f(o) {
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for (let i = 0; i < 4; i++) {
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let v = o.$field0;
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assertEquals(v, 153);
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}
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}
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let o = createStruct_i();
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%DebugPrint(o);
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f(o);
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gc();
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})();
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