From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../browser_dbg_parser-spread-expression.js | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 devtools/client/debugger/test/mochitest/browser_dbg_parser-spread-expression.js (limited to 'devtools/client/debugger/test/mochitest/browser_dbg_parser-spread-expression.js') diff --git a/devtools/client/debugger/test/mochitest/browser_dbg_parser-spread-expression.js b/devtools/client/debugger/test/mochitest/browser_dbg_parser-spread-expression.js new file mode 100644 index 000000000..4b7d93d2f --- /dev/null +++ b/devtools/client/debugger/test/mochitest/browser_dbg_parser-spread-expression.js @@ -0,0 +1,32 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set ft=javascript ts=2 et sw=2 tw=80: */ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +/** + * Test that spread expressions work both in arrays and function calls. + */ + +"use strict"; + +function test() { + let { Parser, SyntaxTreeVisitor } = + Cu.import("resource://devtools/shared/Parser.jsm", {}); + + const SCRIPTS = ["[...a]", "foo(...a)"]; + + for (let script of SCRIPTS) { + info(`Testing spread expression in '${script}'`); + let ast = Parser.reflectionAPI.parse(script); + let nodes = SyntaxTreeVisitor.filter(ast, + e => e.type == "SpreadExpression"); + ok(nodes && nodes.length === 1, "Found the SpreadExpression node"); + + let expr = nodes[0].expression; + ok(expr, "The SpreadExpression node has the sub-expression"); + is(expr.type, "Identifier", "The sub-expression is an Identifier"); + is(expr.name, "a", "The sub-expression identifier has a correct name"); + } + + finish(); +} -- cgit v1.2.3