// Test `name` and `displayName` getters on a bound function Debugger.Object.
var g = newGlobal({newCompartment: true });
var hits = 0 ;
var dbg = new Debugger(g);
var nameResults = [];
var displayNameResults = [];
dbg.onDebuggerStatement = function (frame) {
nameResults.push(frame.arguments[0 ].name);
displayNameResults.push(frame.arguments[0 ].displayName);
};
g.eval(`
function f(val) { debugger; }
function foo() {};
let bound1 = foo.bind(null );
let bound2 = bound1.bind();
let bound3 = bound2.bind();
f(bound1);
f(bound2);
f(bound3);
// Change bound1.name to "bar".
Object.defineProperty(bound1, "name" , {value: "bar" , configurable: true , writable: true });
f(bound1);
// Change bound1.name to 123. Not a string so now "bound" will be returned.
bound1.name = 123 ;
f(bound1);
// Delete bound2.name so now "bound" will be used.
delete bound2.name;
f(bound2);
// Binding a native function.
f(print.bind().bind().bind());
`)
for (let res of [nameResults, displayNameResults]) {
assertEq(res.length, 7 );
assertEq(res[0 ], "bound foo" );
assertEq(res[1 ], "bound bound foo" );
assertEq(res[2 ], "bound bound bound foo" );
assertEq(res[3 ], "bar" );
assertEq(res[4 ], "bound" );
assertEq(res[5 ], "bound" );
assertEq(res[6 ], "bound bound bound print" );
}
Messung V0.5 in Prozent C=91 H=89 G=89
¤ Dauer der Verarbeitung: 0.2 Sekunden
¤
*© Formatika GbR, Deutschland