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// Copyright 2017 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: --no-enable-one-shot-optimization
Debug = debug.Debug
var exception = null;
var object_with_symbol_key = {[Symbol("a")]: 1};
var object_with_callbacks = { toString: () => "string", valueOf: () => 3};
var symbol_for_a = Symbol.for("a");
var typed_array = new Uint8Array([1, 2, 3]);
var array_buffer = new ArrayBuffer(3);
var data_view = new DataView(new ArrayBuffer(8), 0, 8);
var array = [1,2,3];
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Break) return;
try {
function success(expectation, source) {
var result = exec_state.frame(0).evaluate(source, true).value();
if (expectation !== undefined) assertEquals(expectation, result);
}
function fail(source) {
assertThrows(() => exec_state.frame(0).evaluate(source, true),
EvalError);
}
// Test some Object functions.
success({}, `new Object()`);
success({p : 3}, `Object.create({}, { p: { value: 3 } })`);
success("[[\"a\",1],[\"b\",2]]",
`JSON.stringify(Object.entries({a:1, b:2}))`);
success({value: 1, writable: true, enumerable: true, configurable: true},
`Object.getOwnPropertyDescriptor({a: 1}, "a")`);
success("{\"a\":{\"value\":1,\"writable\":true," +
"\"enumerable\":true,\"configurable\":true}}",
`JSON.stringify(Object.getOwnPropertyDescriptors({a: 1}))`);
success(["a"], `Object.getOwnPropertyNames({a: 1})`);
success(undefined, `Object.getOwnPropertySymbols(object_with_symbol_key)`);
success({}, `Object.getPrototypeOf(Object.create({}))`);
success(true, `Object.is(Object, Object)`);
success(true, `Object.isExtensible({})`);
success(false, `Object.isFrozen({})`);
success(false, `Object.isSealed({})`);
success([1, 2], `Object.values({a:1, b:2})`);
fail(`Object.assign({}, {})`);
fail(`Object.defineProperties({}, [{p:{value:3}}])`);
fail(`Object.defineProperty({}, {p:{value:3}})`);
fail(`Object.freeze({})`);
fail(`Object.preventExtensions({})`);
fail(`Object.seal({})`);
fail(`Object.setPrototypeOf({}, {})`);
// Test some Object.prototype functions.
success(true, `({a:1}).hasOwnProperty("a")`);
success(true, `Object.prototype.isPrototypeOf({})`);
success(true, `({a:1}).propertyIsEnumerable("a")`);
success("[object Object]", `({a:1}).toString()`);
success("string", `(object_with_callbacks).toString()`);
success(3, `(object_with_callbacks).valueOf()`);
// Test Array functions.
success(true, `Array.isArray([1, 2, 3])`);
success([], `new Array()`);
success([undefined, undefined], `new Array(2)`);
success([1, 2], `new Array(1, 2)`);
fail(`Array.from([1, 2, 3])`);
fail(`Array.of(1, 2, 3)`);
var function_param = [
"flatMap", "forEach", "every", "some", "reduce", "reduceRight", "find",
"filter", "map", "findIndex"
];
var fails = ["toLocaleString", "pop", "push", "reverse", "shift", "unshift",
"splice", "sort", "copyWithin", "fill"];
for (f of Object.getOwnPropertyNames(Array.prototype)) {
if (typeof Array.prototype[f] === "function") {
if (fails.includes(f)) {
if (function_param.includes(f)) {
fail(`array.${f}(()=>{});`);
} else {
fail(`array.${f}();`);
}
} else if (function_param.includes(f)) {
exec_state.frame(0).evaluate(`array.${f}(()=>{});`, true);
} else {
exec_state.frame(0).evaluate(`array.${f}();`, true);
}
}
}
// Test ArrayBuffer functions.
success(3, `array_buffer.byteLength`);
success(2, `array_buffer.slice(1, 3).byteLength`);
success(true, `ArrayBuffer.isView(typed_array)`);
// Test DataView functions.
success(undefined, `new DataView(array_buffer, 1, 2)`);
success(undefined, `data_view.buffer`);
success(undefined, `data_view.byteLength`);
success(undefined, `data_view.byteOffset`);
for (f of Object.getOwnPropertyNames(DataView.prototype)) {
if (typeof data_view[f] === 'function') {
if (f.startsWith('getBig')) {
success(0n, `data_view.${f}()`);
} else if (f.startsWith('get')) {
success(0, `data_view.${f}()`);
}
}
}
// Test TypedArray functions.
success({}, `new Uint8Array()`);
success({0: 0, 1: 0}, `new Uint8Array(2)`);
success({0: 1, 1: 2, 2: 3}, `new Uint8Array(typed_array)`);
success(true, `!!typed_array.buffer`);
success(0, `typed_array.byteOffset`);
success(3, `typed_array.byteLength`);
fail(`Uint8Array.of(1, 2)`);
function_param = [
"forEach", "every", "some", "reduce", "reduceRight", "find", "filter",
"map", "findIndex"
];
fails = ["toString", "join", "toLocaleString", "reverse", "sort",
"copyWithin", "fill", "set"];
var typed_proto_proto = Object.getPrototypeOf(Object.getPrototypeOf(new Uint8Array()));
for (f of Object.getOwnPropertyNames(typed_proto_proto)) {
if (typeof typed_array[f] === "function" && f !== "constructor") {
if (fails.includes(f)) {
if (function_param.includes(f)) {
fail(`typed_array.${f}(()=>{});`);
} else {
fail(`typed_array.${f}();`);
}
} else if (function_param.includes(f)) {
exec_state.frame(0).evaluate(`typed_array.${f}(()=>{});`, true);
} else {
exec_state.frame(0).evaluate(`typed_array.${f}();`, true);
}
}
}
// Test Math functions.
for (f of Object.getOwnPropertyNames(Math)) {
if (typeof Math[f] === "function") {
var result = exec_state.frame(0).evaluate(
`Math.${f}(0.5, -0.5);`, true).value();
if (f != "random") assertEquals(Math[f](0.5, -0.5), result);
}
}
// Test Number functions.
success(new Number(0), `new Number()`);
for (f of Object.getOwnPropertyNames(Number)) {
if (typeof Number[f] === "function") {
success(Number[f](0.5), `Number.${f}(0.5);`);
}
}
for (f of Object.getOwnPropertyNames(Number.prototype)) {
if (typeof Number.prototype[f] === "function") {
if (f == "toLocaleString") continue;
success(Number(0.5)[f](5), `Number(0.5).${f}(5);`);
}
}
// Test String functions.
success(new String(), `new String()`);
success(" ", "String.fromCodePoint(0x20)");
success(" ", "String.fromCharCode(0x20)");
for (f of Object.getOwnPropertyNames(String.prototype)) {
if (typeof String.prototype[f] === "function") {
// Do not expect locale-specific or regexp-related functions to work.
// {Lower,Upper}Case (Locale-specific or not) do not work either
// if Intl is enabled.
if (f.indexOf("locale") >= 0) continue;
if (f.indexOf("Locale") >= 0) continue;
if (typeof Intl !== 'undefined') {
if (f == "toUpperCase") continue;
if (f == "toLowerCase") continue;
}
if (f == "normalize") continue;
if (f == "match") continue;
if (f == "matchAll") continue;
if (f == "search") continue;
if (f == "split" || f == "replace") {
fail(`'abcd'.${f}(2)`);
continue;
}
success("abcd"[f](2), `"abcd".${f}(2);`);
}
}
fail("'abCd'.toLocaleLowerCase()");
fail("'abcd'.toLocaleUpperCase()");
if (typeof Intl !== 'undefined') {
fail("'abCd'.toLowerCase()");
fail("'abcd'.toUpperCase()");
}
fail("'abcd'.match(/a/)");
fail("'abcd'.replace(/a/)");
fail("'abcd'.search(/a/)");
// Test RegExp functions.
fail(`/a/.compile()`);
success('a', `/a/.exec('abc')[0]`);
success(true, `/a/.test('abc')`);
fail(`/a/.toString()`);
// Test JSON functions.
success('{"abc":[1,2]}', "JSON.stringify(JSON.parse('{\"abc\":[1,2]}'))");
// Test Symbol functions.
success(undefined, `Symbol("a")`);
fail(`Symbol.for("a")`); // Symbol.for can be observed via Symbol.keyFor.
success("a", `Symbol.keyFor(symbol_for_a)`);
success("Symbol(a)", `symbol_for_a.valueOf().toString()`);
success("Symbol(a)", `symbol_for_a[Symbol.toPrimitive]().toString()`);
} catch (e) {
exception = e;
print(e, e.stack);
};
};
// Add the debug event listener.
Debug.setListener(listener);
function f() {
debugger;
};
f();
assertNull(exception);
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