f0946c1b71
Revert "Revert "[parser] Implements proposal-numeric-separator.""
This reverts commit 782f6401ee.
Original CL is https://chromium-review.googlesource.com/c/v8/v8/+/923441
Bug: v8:7317
Change-Id: I6f541c038bad0cff625094ba84aebe582bdeb12f
Reviewed-on: https://chromium-review.googlesource.com/945034
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51749}
69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
// Copyright 2016 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: --harmony-numeric-separator
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{
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const basic = 1_0_0_0;
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assertEquals(basic, 1000);
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}
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{
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const exponent = 1_0e+1;
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assertEquals(exponent, 10e+1);
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}
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{
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const exponent2 = 1_0e+1_0;
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assertEquals(exponent2, 10e+10);
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}
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{
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const hex = 0xF_F_FF;
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assertEquals(hex, 0xFFFF);
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}
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{
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const octal = 0o7_7_7;
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assertEquals(octal, 0o777);
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}
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{
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const implicitOctal = 07_7_7;
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assertEquals(implicitOctal, 0o777);
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}
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{
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let exception = false;
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try {
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const code = `"use strict" const implicitOctal = 07_7_7`;
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eval(code);
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} catch(e) {
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exception = true;
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assertInstanceof(e, SyntaxError);
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}
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assertTrue(exception);
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}
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{
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const binary = 0b0_1_0_1_0;
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assertEquals(binary, 0b01010);
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}
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{
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const leadingZeros = 09_1_3;
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assertEquals(leadingZeros, 0913);
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}
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assertThrows('1_0_0_0_', SyntaxError);
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assertThrows('1e_1', SyntaxError);
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assertThrows('1e+_1', SyntaxError);
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assertThrows('1_e+1', SyntaxError);
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assertThrows('1__0', SyntaxError);
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assertThrows('0x_1', SyntaxError);
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assertThrows('0x1__1', SyntaxError);
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assertThrows('0x1_', SyntaxError);
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assertThrows('0b_0101', SyntaxError);
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assertThrows('0b11_', SyntaxError);
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assertThrows('0b1__1', SyntaxError);
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assertThrows('0o777_', SyntaxError);
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assertThrows('0o_777', SyntaxError);
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assertThrows('0o7__77', SyntaxError);
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assertThrows('0777_', SyntaxError);
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assertThrows('07__77', SyntaxError);
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