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d8c97e4857
PR-URL: https://github.com/nodejs/node/pull/50115 Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
106 lines
3.4 KiB
JavaScript
106 lines
3.4 KiB
JavaScript
// Copyright 2023 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: --experimental-wasm-gc --allow-natives-syntax
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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// We use "r" for nullable "externref", and "e" for non-nullable "ref extern".
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let kSig_i_rii = makeSig([kWasmExternRef, kWasmI32, kWasmI32], [kWasmI32]);
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let kDataViewGetInt32;
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function MakeBuilder() {
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let builder = new WasmModuleBuilder();
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kDataViewGetInt32 =
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builder.addImport('DataView', 'getInt32Import', kSig_i_rii);
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return builder;
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}
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let kImports = {
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DataView: {
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getInt32Import: Function.prototype.call.bind(DataView.prototype.getInt32),
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},
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};
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function CheckStackTrace(thrower, reference, topmost_wasm_func) {
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let reference_exception;
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let actual_exception;
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try {
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thrower();
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assertUnreachable();
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} catch (e) {
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actual_exception = e;
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}
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try {
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reference();
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assertUnreachable();
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} catch (e) {
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reference_exception = e;
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}
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assertInstanceof(actual_exception, reference_exception.constructor);
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let actual_stack = actual_exception.stack.split('\n');
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let reference_stack = reference_exception.stack.split('\n');
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assertEquals(reference_stack[0], actual_stack[0]);
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assertEquals(reference_stack[1], actual_stack[1]);
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let str_stack_msg = ` at ${topmost_wasm_func} (wasm://wasm/`;
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if (!actual_stack[2].startsWith(str_stack_msg)) {
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console.log(
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`expected starts with:\n${str_stack_msg}\nfound:\n${actual_stack[2]}`);
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assertUnreachable();
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}
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}
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(function TestGetInt32() {
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print(arguments.callee.name);
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let builder = MakeBuilder();
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builder.addFunction("getInt32", kSig_i_rii).exportFunc().addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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kExprLocalGet, 2,
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kExprCallFunction, kDataViewGetInt32,
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]);
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let instance = builder.instantiate(kImports);
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let array = new Int32Array(2);
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array[0] = 42;
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array[1] = 0x12345678;
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let dataview = new DataView(array.buffer);
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assertEquals(42, instance.exports.getInt32(dataview, 0, 1));
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assertEquals(0x12345678, instance.exports.getInt32(dataview, 4, 1));
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assertEquals(0x78563412, instance.exports.getInt32(dataview, 4, 0));
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// Incompatible receiver.
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assertThrows(
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() => {instance.exports.getInt32('test_string', 0, 1)}, TypeError);
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CheckStackTrace(
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() => instance.exports.getInt32('test_string', 0, 1),
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() => DataView.prototype.getInt32.call('test_string', 0, 1), 'getInt32');
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// Out of bounds offset.
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assertThrows(() => {instance.exports.getInt32(dataview, -1, 1)}, RangeError);
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CheckStackTrace(
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() => instance.exports.getInt32(dataview, -1, 1),
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() => DataView.prototype.getInt32.call(dataview, -1, 1), 'getInt32');
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// Bounds check.
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assertThrows(() => {instance.exports.getInt32(dataview, 8, 1)}, RangeError);
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assertThrows(
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() => {instance.exports.getInt32(dataview, 0x7FFF_FFFF, 1)}, RangeError);
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CheckStackTrace(
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() => instance.exports.getInt32(dataview, 8, 1),
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() => DataView.prototype.getInt32.call(dataview, 8, 1), 'getInt32');
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// Detached buffer.
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%ArrayBufferDetach(array.buffer);
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assertThrows(() => {instance.exports.getInt32(dataview, 0, 1)}, TypeError);
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CheckStackTrace(
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() => instance.exports.getInt32(dataview, 0, 1),
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() => DataView.prototype.getInt32.call(dataview, 0, 1), 'getInt32');
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})();
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