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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
152 lines
5.8 KiB
JavaScript
152 lines
5.8 KiB
JavaScript
// 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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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let instance = (() => {
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let builder = new WasmModuleBuilder();
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let struct = builder.addStruct([makeField(kWasmI32, true)]);
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let array = builder.addArray(kWasmF64, true);
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let sig = builder.addType(makeSig([kWasmI32], [kWasmI32]));
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let func = builder.addFunction('inc', sig)
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.addBody([kExprLocalGet, 0, kExprI32Const, 1, kExprI32Add])
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.exportAs('inc');
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builder.addFunction('struct_producer', makeSig([], [kWasmStructRef]))
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.addBody([kGCPrefix, kExprStructNewDefault, struct])
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.exportFunc();
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builder.addFunction('array_producer', makeSig([], [kWasmArrayRef]))
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.addBody([
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kExprI32Const, 10,
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kGCPrefix, kExprArrayNewDefault, array
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])
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.exportFunc();
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builder.addFunction('i31_as_eq_producer', makeSig([], [kWasmEqRef]))
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.addBody([kExprI32Const, 5, kGCPrefix, kExprRefI31])
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.exportFunc();
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builder.addFunction('func_producer', makeSig([], [wasmRefType(sig)]))
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.addBody([kExprRefFunc, func.index])
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.exportFunc();
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let test_types = {
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struct: kWasmStructRef,
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array: kWasmArrayRef,
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raw_struct: struct,
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raw_array: array,
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typed_func: sig,
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i31: kWasmI31Ref,
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eq: kWasmEqRef,
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func: kWasmFuncRef,
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any: kWasmAnyRef,
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extern: kWasmExternRef,
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none: kWasmNullRef,
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nofunc: kWasmNullFuncRef,
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noextern: kWasmNullExternRef,
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};
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for (key in test_types) {
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let type = wasmRefNullType(test_types[key]);
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builder.addFunction(key + '_id', makeSig([type], [type]))
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.addBody([kExprLocalGet, 0])
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.exportFunc();
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builder.addFunction(key + '_null', makeSig([], [type]))
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.addBody([kExprRefNull, ...wasmSignedLeb(test_types[key])])
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.exportFunc();
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}
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return builder.instantiate({});
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})();
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// Wasm-exposed null is the same as JS null.
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assertEquals(instance.exports.struct_null(), null);
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// We can roundtrip a struct as structref.
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instance.exports.struct_id(instance.exports.struct_producer());
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// We cannot roundtrip an array as structref.
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assertThrows(
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() => instance.exports.struct_id(instance.exports.array_producer()),
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TypeError,
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'type incompatibility when transforming from/to JS');
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// We can roundtrip null as structref.
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instance.exports.struct_id(instance.exports.struct_null());
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// We cannot roundtrip an i31 as structref.
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assertThrows(
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() => instance.exports.struct_id(instance.exports.i31_as_eq_producer()),
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TypeError,
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'type incompatibility when transforming from/to JS');
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// We can roundtrip a struct as eqref.
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instance.exports.eq_id(instance.exports.struct_producer());
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// We can roundtrip an array as eqref.
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instance.exports.eq_id(instance.exports.array_producer());
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// We can roundtrip an i31 as eqref/i31ref.
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instance.exports.eq_id(instance.exports.i31_as_eq_producer());
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instance.exports.i31_id(instance.exports.i31_as_eq_producer());
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// We can roundtrip any null as any null supertype.
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instance.exports.eq_id(instance.exports.struct_null());
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instance.exports.eq_id(instance.exports.eq_null());
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instance.exports.eq_id(instance.exports.func_null());
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instance.exports.eq_id(instance.exports.any_null());
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instance.exports.any_id(instance.exports.struct_null());
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instance.exports.any_id(instance.exports.eq_null());
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instance.exports.any_id(instance.exports.func_null());
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instance.exports.any_id(instance.exports.any_null());
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instance.exports.i31_id(instance.exports.struct_null());
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instance.exports.i31_id(instance.exports.eq_null());
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instance.exports.i31_id(instance.exports.func_null());
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instance.exports.i31_id(instance.exports.any_null());
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instance.exports.struct_id(instance.exports.struct_null());
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instance.exports.struct_id(instance.exports.eq_null());
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instance.exports.struct_id(instance.exports.func_null());
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instance.exports.struct_id(instance.exports.any_null());
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// We cannot roundtrip a func as eqref.
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assertThrows(
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() => instance.exports.eq_id(instance.exports.func_producer()), TypeError,
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'type incompatibility when transforming from/to JS');
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// We can roundtrip a typed function.
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instance.exports.typed_func_id(instance.exports.func_producer());
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// We can roundtrip any null as typed funcion.
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instance.exports.typed_func_id(instance.exports.struct_null());
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// We cannot roundtrip a struct as typed funcion.
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assertThrows(
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() => instance.exports.typed_func_id(instance.exports.struct_producer()),
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TypeError, 'type incompatibility when transforming from/to JS');
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// We can roundtrip a func.
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instance.exports.func_id(instance.exports.func_producer());
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// We can roundtrip any null as func.
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instance.exports.func_id(instance.exports.struct_null());
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// We cannot roundtrip an i31 as func.
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assertThrows(
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() => instance.exports.func_id(instance.exports.i31_as_eq_producer()),
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TypeError,
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'type incompatibility when transforming from/to JS');
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// We can directly roundtrip structs or arrays.
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instance.exports.raw_struct_id(instance.exports.struct_producer());
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instance.exports.raw_array_id(instance.exports.array_producer());
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// We cannot roundtrip an array as struct and vice versa.
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assertThrows(
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() => instance.exports.raw_struct_id(instance.exports.array_producer()),
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TypeError,
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'type incompatibility when transforming from/to JS');
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assertThrows(
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() => instance.exports.raw_array_id(instance.exports.struct_producer()),
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TypeError,
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'type incompatibility when transforming from/to JS');
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// We can roundtrip an extern.
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assertEquals(null, instance.exports.extern_id(instance.exports.extern_null()));
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// We can roundtrip null typed as one of the three null types though wasm.
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for (const nullType of ["none", "nofunc", "noextern"]) {
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instance.exports[`${nullType}_id`](instance.exports[`${nullType}_null`]());
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}
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