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var BUGNUMBER = 883377;
var summary = "Anonymous function name should be set based on binding pattern";
print(BUGNUMBER + ": " + summary);
var exprs = [
["function() {}", false],
["function named() {}", true],
["function*() {}", false],
["function* named() {}", true],
["async function() {}", false],
["async function named() {}", true],
["() => {}", false],
["async () => {}", false],
["class {}", false],
["class named {}", true],
];
function testAssignmentProperty(expr, named) {
var f = eval(`(function({ prop1 = ${expr} }) { return prop1; })`);
assertEq(f({}).name, named ? "named" : "prop1");
eval(`
var { prop1 = ${expr} } = {};
assertEq(prop1.name, named ? "named" : "prop1");
`);
}
for (var [expr, named] of exprs) {
testAssignmentProperty(expr, named);
}
function testAssignmentElement(expr, named) {
var f = eval(`(function([elem1 = ${expr}]) { return elem1; })`);
assertEq(f([]).name, named ? "named" : "elem1");
eval(`
var [elem1 = ${expr}] = [];
assertEq(elem1.name, named ? "named" : "elem1");
`);
}
for (var [expr, named] of exprs) {
testAssignmentElement(expr, named);
}
function testSingleNameBinding(expr, named) {
var f = eval(`(function(param1 = ${expr}) { return param1; })`);
assertEq(f().name, named ? "named" : "param1");
}
for (var [expr, named] of exprs) {
testSingleNameBinding(expr, named);
}
if (typeof reportCompare === "function")
reportCompare(0, 0);