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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test that function default arguments are correctly processed.
*/
"use strict";
function test() {
let { Parser, ParserHelpers, SyntaxTreeVisitor } =
Cu.import("resource://devtools/shared/Parser.jsm", {});
function verify(source, predicate, string) {
let ast = Parser.reflectionAPI.parse(source);
let node = SyntaxTreeVisitor.filter(ast, predicate).pop();
let info = ParserHelpers.getIdentifierEvalString(node);
is(info, string, "The identifier evaluation string is correct.");
}
// FunctionDeclaration
verify("function foo(a, b='b') {}", e => e.type == "Literal", "\"b\"");
// FunctionExpression
verify("let foo=function(a, b='b') {}", e => e.type == "Literal", "\"b\"");
// ArrowFunctionExpression
verify("let foo=(a, b='b')=> {}", e => e.type == "Literal", "\"b\"");
finish();
}
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