mirror of
https://github.com/tc39/test262.git
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199 lines
6.4 KiB
JavaScript
199 lines
6.4 KiB
JavaScript
// Copyright 2017 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
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'use strict'
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function test(f, {input, check}) {
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let result;
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try {
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result = { value: f(input), exception: false }
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} catch(e) {
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result = { value: e, exception: true }
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}
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check(result);
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}
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function Test(f, ...cases) {
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for (let i = 0; i < cases.length; ++i) {
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test(f, cases[i]);
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%OptimizeFunctionOnNextCall(f);
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for (let j = 0; j < cases.length; ++j) {
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test(f, cases[j]);
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}
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%DeoptimizeFunction(f);
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}
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}
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function V(input, expected_value) {
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function check(result) {
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assertFalse(result.exception, `unexpected exception ${result.value} on input ${input}`);
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assertEquals(expected_value, result.value);
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}
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return {input, check};
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}
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function E(input, expected_exception) {
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function check(result) {
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assertTrue(result.exception, `expected exception ${expected_exception.name} on input ${input}`);
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assertInstanceof(result.value, expected_exception);
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}
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return {input, check};
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}
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const six = {[Symbol.toPrimitive]() {return 6n}};
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////////////////////////////////////////////////////////////////////////////////
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// The first argument to {Test} is the function to test. The other arguments are
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// the test cases, basically pairs of input and expected output. {Test} runs the
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// function first unoptimized on one of the inputs, and then optimized on all
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// inputs.
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////////////////////////////////////////////////////////////////////////////////
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Test(x => Number(x),
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V(1n, 1), V(1, 1), V("", 0), V(1.4, 1.4), V(null, 0), V(six, 6));
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Test(x => Math.trunc(+x),
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E(1n, TypeError), V(1, 1), V("", 0), V(1.4, 1), V(null, 0), E(six, TypeError));
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Test(x => Math.trunc(Number(x)),
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V(1n, 1), V(1, 1), V("", 0), V(1.4, 1), V(null, 0), V(six, 6));
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Test(x => String(x),
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V(1n, "1"), V(1, "1"), V(1.4, "1.4"), V(null, "null"), V(six, "6"));
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Test(x => BigInt(x),
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V(true, 1n), V(false, 0n), V(42n, 42n), E(NaN, RangeError), V(six, 6n));
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Test(x => typeof x,
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V(1n, "bigint"), V(1, "number"), V(six, "object"));
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Test(x => typeof x == "bigint",
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V(1n, true), V(1, false), V(six, false));
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Test(x => !x,
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V(0n, true), V(42n, false), V(0x10000000000000000n, false), V(1, false),
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V(undefined, true), V(six, false));
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Test(x => !!x,
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V(0n, false), V(42n, true), V(0x10000000000000000n, true), V(1, true),
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V(undefined, false), V(six, true));
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Test(x => +x,
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E(-3n, TypeError), V(-4, -4), V(1.4, 1.4), V(null, 0), V("5", 5),
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E(six, TypeError));
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Test(x => -x,
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V(-3n, 3n), V(-4, 4), V(1.4, -1.4), V(null, -0), V("5", -5), V(six, -6n));
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Test(x => ~x,
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V(-3n, 2n), V(-4, 3), V(1.5, -2), V(null, -1), V("5", -6), V(six, -7n));
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Test(x => ++x,
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V(-3n, -2n), V(-4, -3), V(1.5, 2.5), V(null, 1), V("5", 6), V(six, 7n));
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Test(x => --x,
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V(-3n, -4n), V(-4, -5), V(1.5, 0.5), V(null, -1), V("5", 4), V(six, 5n));
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Test(x => x++,
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V(-3n, -3n), V(-4, -4), V(1.5, 1.5), V(null, 0), V("5", 5), V(six, 6n));
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Test(x => x--,
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V(-3n, -3n), V(-4, -4), V(1.5, 1.5), V(null, 0), V("5", 5), V(six, 6n));
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Test(x => x + 42,
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E(1n, TypeError), V(2, 44), V(null, 42), V("a", "a42"), E(six, TypeError));
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Test(x => x + 42n,
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V(1n, 43n), E(2, TypeError), E(null, TypeError), V("a", "a42"), V(six,48n));
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Test(x => x - 4,
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E(1n, TypeError), V(3, -1), V(null, -4), V("a", NaN), E(six, TypeError));
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Test(x => x - 4n,
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V(1n, -3n), E(3, TypeError), E(null, TypeError), E("a", TypeError),
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V(six, 2n));
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Test(x => x * 42,
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E(2n, TypeError), V(3, 126), V("a", NaN), V(null, 0), E(six, TypeError));
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Test(x => x * 42n,
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V(2n, 84n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 252n));
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Test(x => x / 2,
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E(2n, TypeError), V(6, 3), V("a", NaN), V(null, 0), E(six, TypeError));
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Test(x => x / 2n,
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V(2n, 1n), E(6, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 3n));
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Test(x => x % 2,
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E(2n, TypeError), V(3, 1), V("a", NaN), V(null, 0), E(six, TypeError));
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Test(x => x % 2n,
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V(2n, 0n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 0n));
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Test(x => x | 5,
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E(2n, TypeError), V(3, 7), V("a", 5), V(null, 5), E(six, TypeError));
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Test(x => x | 5n,
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V(2n, 7n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 7n));
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Test(x => x & 5,
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E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
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Test(x => x & 5n,
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V(2n, 0n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 4n));
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Test(x => x ^ 5,
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E(2n, TypeError), V(3, 6), V("a", 5), V(null, 5), E(six, TypeError));
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Test(x => x ^ 5n,
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V(2n, 7n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 3n));
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Test(x => x << 3,
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E(2n, TypeError), V(3, 24), V("a", 0), V(null, 0), E(six, TypeError));
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Test(x => x << 3n,
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V(2n, 16n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 48n));
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Test(x => x >> 1,
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E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
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Test(x => x >> 1n,
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V(2n, 1n), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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V(six, 3n));
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Test(x => x >>> 1,
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E(2n, TypeError), V(3, 1), V("a", 0), V(null, 0), E(six, TypeError));
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Test(x => x >>> 1n,
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E(2n, TypeError), E(3, TypeError), E("a", TypeError), E(null, TypeError),
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E(six, TypeError));
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Test(x => x === 42,
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V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
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Test(x => x === 42,
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V(42n, false), V(42, true), V(null, false), V("42", false), V(six, false));
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Test(x => x === 42n,
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V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
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Test(x => x === 42n,
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V(42n, true), V(42, false), V(null, false), V("42", false), V(six, false));
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Test(x => x == 42,
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V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
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Test(x => x == 42,
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V(42n, true), V(42, true), V(null, false), V("42", true), V(six, false));
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Test(x => x == 42n,
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V(1n, false), V(2, false), V(null, false), V("a", false), V(six, false));
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Test(x => x == 42n,
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V(42n, true), V(42, true), V(null, false), V("42", true), V(six, false));
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Test(x => x < 42,
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V(1n, true), V(2, true), V(null, true), V("41", true), V(six, true));
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Test(x => x < 42,
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V(42n, false), V(42, false), V(null, true), V("42", false), V(six, true));
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Test(x => x < 42n,
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V(1n, true), V(2, true), V(null, true), V("41", true), V(six, true));
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Test(x => x < 42n,
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V(42n, false), V(42, false), V(null, true), V("42", false), V(six, true));
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