f7d357b20a
It was shipped in Chrome 67. Bug: v8:6791, v8:8238 Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;luci.chromium.try:linux_chromium_rel_ng;luci.v8.try:v8_linux_noi18n_rel_ng;master.tryserver.blink:linux_trusty_blink_rel Change-Id: I94d8f0aa18570452403a35dea270b18f155c970a Reviewed-on: https://chromium-review.googlesource.com/1253604 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Mathias Bynens <mathias@chromium.org> Cr-Commit-Position: refs/heads/master@{#56310}
199 lines
6.4 KiB
JavaScript
199 lines
6.4 KiB
JavaScript
// 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: --allow-natives-syntax
|
|
|
|
'use strict'
|
|
|
|
|
|
function test(f, {input, check}) {
|
|
let result;
|
|
try {
|
|
result = { value: f(input), exception: false }
|
|
} catch(e) {
|
|
result = { value: e, exception: true }
|
|
}
|
|
check(result);
|
|
}
|
|
|
|
function Test(f, ...cases) {
|
|
for (let i = 0; i < cases.length; ++i) {
|
|
test(f, cases[i]);
|
|
%OptimizeFunctionOnNextCall(f);
|
|
for (let j = 0; j < cases.length; ++j) {
|
|
test(f, cases[j]);
|
|
}
|
|
%DeoptimizeFunction(f);
|
|
}
|
|
}
|
|
|
|
|
|
function V(input, expected_value) {
|
|
function check(result) {
|
|
assertFalse(result.exception, `unexpected exception ${result.value} on input ${input}`);
|
|
assertEquals(expected_value, result.value);
|
|
}
|
|
return {input, check};
|
|
}
|
|
|
|
function E(input, expected_exception) {
|
|
function check(result) {
|
|
assertTrue(result.exception, `expected exception ${expected_exception.name} on input ${input}`);
|
|
assertInstanceof(result.value, expected_exception);
|
|
}
|
|
return {input, check};
|
|
}
|
|
|
|
|
|
const six = {[Symbol.toPrimitive]() {return 6n}};
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// The first argument to {Test} is the function to test. The other arguments are
|
|
// the test cases, basically pairs of input and expected output. {Test} runs the
|
|
// function first unoptimized on one of the inputs, and then optimized on all
|
|
// inputs.
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
Test(x => Number(x),
|
|
V(1n, 1), V(1, 1), V("", 0), V(1.4, 1.4), V(null, 0), V(six, 6));
|
|
|
|
Test(x => Math.trunc(+x),
|
|
E(1n, TypeError), V(1, 1), V("", 0), V(1.4, 1), V(null, 0), E(six, TypeError));
|
|
|
|
Test(x => Math.trunc(Number(x)),
|
|
V(1n, 1), V(1, 1), V("", 0), V(1.4, 1), V(null, 0), V(six, 6));
|
|
|
|
Test(x => String(x),
|
|
V(1n, "1"), V(1, "1"), V(1.4, "1.4"), V(null, "null"), V(six, "6"));
|
|
|
|
Test(x => BigInt(x),
|
|
V(true, 1n), V(false, 0n), V(42n, 42n), E(NaN, RangeError), V(six, 6n));
|
|
|
|
Test(x => typeof x,
|
|
V(1n, "bigint"), V(1, "number"), V(six, "object"));
|
|
Test(x => typeof x == "bigint",
|
|
V(1n, true), V(1, false), V(six, false));
|
|
|
|
Test(x => !x,
|
|
V(0n, true), V(42n, false), V(0x10000000000000000n, false), V(1, false),
|
|
V(undefined, true), V(six, false));
|
|
Test(x => !!x,
|
|
V(0n, false), V(42n, true), V(0x10000000000000000n, true), V(1, true),
|
|
V(undefined, false), V(six, true));
|
|
|
|
Test(x => +x,
|
|
E(-3n, TypeError), V(-4, -4), V(1.4, 1.4), V(null, 0), V("5", 5),
|
|
E(six, TypeError));
|
|
|
|
Test(x => -x,
|
|
V(-3n, 3n), V(-4, 4), V(1.4, -1.4), V(null, -0), V("5", -5), V(six, -6n));
|
|
|
|
Test(x => ~x,
|
|
V(-3n, 2n), V(-4, 3), V(1.5, -2), V(null, -1), V("5", -6), V(six, -7n));
|
|
|
|
Test(x => ++x,
|
|
V(-3n, -2n), V(-4, -3), V(1.5, 2.5), V(null, 1), V("5", 6), V(six, 7n));
|
|
|
|
Test(x => --x,
|
|
V(-3n, -4n), V(-4, -5), V(1.5, 0.5), V(null, -1), V("5", 4), V(six, 5n));
|
|
|
|
Test(x => x++,
|
|
V(-3n, -3n), V(-4, -4), V(1.5, 1.5), V(null, 0), V("5", 5), V(six, 6n));
|
|
|
|
Test(x => x--,
|
|
V(-3n, -3n), V(-4, -4), V(1.5, 1.5), V(null, 0), V("5", 5), V(six, 6n));
|
|
|
|
Test(x => x + 42,
|
|
E(1n, TypeError), V(2, 44), V(null, 42), V("a", "a42"), E(six, TypeError));
|
|
Test(x => x + 42n,
|
|
V(1n, 43n), E(2, TypeError), E(null, TypeError), V("a", "a42"), V(six,48n));
|
|
|
|
Test(x => x - 4,
|
|
E(1n, TypeError), V(3, -1), V(null, -4), V("a", NaN), E(six, TypeError));
|
|
Test(x => x - 4n,
|
|
V(1n, -3n), E(3, TypeError), E(null, TypeError), E("a", TypeError),
|
|
V(six, 2n));
|
|
|
|
Test(x => x * 42,
|
|
E(2n, TypeError), V(3, 126), V("a", NaN), V(null, 0), E(six, TypeError));
|
|
Test(x => x * 42n,
|
|
V(2n, 84n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 252n));
|
|
|
|
Test(x => x / 2,
|
|
E(2n, TypeError), V(6, 3), V("a", NaN), V(null, 0), E(six, TypeError));
|
|
Test(x => x / 2n,
|
|
V(2n, 1n), E(6, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 3n));
|
|
|
|
Test(x => x % 2,
|
|
E(2n, TypeError), V(3, 1), V("a", NaN), V(null, 0), E(six, TypeError));
|
|
Test(x => x % 2n,
|
|
V(2n, 0n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 0n));
|
|
|
|
Test(x => x | 5,
|
|
E(2n, TypeError), V(3, 7), V("a", 5), V(null, 5), E(six, TypeError));
|
|
Test(x => x | 5n,
|
|
V(2n, 7n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 7n));
|
|
|
|
Test(x => x & 5,
|
|
E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
|
|
Test(x => x & 5n,
|
|
V(2n, 0n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 4n));
|
|
|
|
Test(x => x ^ 5,
|
|
E(2n, TypeError), V(3, 6), V("a", 5), V(null, 5), E(six, TypeError));
|
|
Test(x => x ^ 5n,
|
|
V(2n, 7n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 3n));
|
|
|
|
Test(x => x << 3,
|
|
E(2n, TypeError), V(3, 24), V("a", 0), V(null, 0), E(six, TypeError));
|
|
Test(x => x << 3n,
|
|
V(2n, 16n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 48n));
|
|
|
|
Test(x => x >> 1,
|
|
E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
|
|
Test(x => x >> 1n,
|
|
V(2n, 1n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
V(six, 3n));
|
|
|
|
Test(x => x >>> 1,
|
|
E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
|
|
Test(x => x >>> 1n,
|
|
E(2n, TypeError), E(3, TypeError), E("a", TypeError), E(null, TypeError),
|
|
E(six, TypeError));
|
|
|
|
Test(x => x === 42,
|
|
V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
|
|
Test(x => x === 42,
|
|
V(42n, false), V(42, true), V(null, false), V("42", false), V(six, false));
|
|
Test(x => x === 42n,
|
|
V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
|
|
Test(x => x === 42n,
|
|
V(42n, true), V(42, false), V(null, false), V("42", false), V(six, false));
|
|
|
|
Test(x => x == 42,
|
|
V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
|
|
Test(x => x == 42,
|
|
V(42n, true), V(42, true), V(null, false), V("42", true), V(six, false));
|
|
Test(x => x == 42n,
|
|
V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
|
|
Test(x => x == 42n,
|
|
V(42n, true), V(42, true), V(null, false), V("42", true), V(six, false));
|
|
|
|
Test(x => x < 42,
|
|
V(1n, true), V(2, true), V(null, true), V("41", true), V(six, true));
|
|
Test(x => x < 42,
|
|
V(42n, false), V(42, false), V(null, true), V("42", false), V(six, true));
|
|
Test(x => x < 42n,
|
|
V(1n, true), V(2, true), V(null, true), V("41", true), V(six, true));
|
|
Test(x => x < 42n,
|
|
V(42n, false), V(42, false), V(null, true), V("42", false), V(six, true));
|