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load(libdir + "asserts.js");
var g = newGlobal();
var dbg = new Debugger;
var gw = dbg.addDebuggee(g);
let errorOne, errorTwo;
function evalErrorStr(global, evalString) {
try {
global.evaluate(evalString);
return undefined;
} catch (e) {
return e.toString();
}
}
assertEq(evalErrorStr(g, "let y = IDONTEXIST;"), "ReferenceError: IDONTEXIST is not defined");
assertEq(evalErrorStr(g, "y = 1;"),
"ReferenceError: can't access lexical declaration `y' before initialization");
// Here we flip the uninitialized binding to undfined.
assertEq(gw.forceLexicalInitializationByName("y"), true);
assertEq(g.evaluate("y"), undefined);
g.evaluate("y = 1;");
assertEq(g.evaluate("y"), 1);
// Ensure that bogus bindings return false, but otherwise trigger no error or
// side effect.
assertEq(gw.forceLexicalInitializationByName("idontexist"), false);
assertEq(evalErrorStr(g, "idontexist"), "ReferenceError: idontexist is not defined");
// Ensure that ropes (non-atoms) behave properly
assertEq(gw.forceLexicalInitializationByName(("foo" + "bar" + "bop" + "zopple" + 2 + 3).slice(1)),
false);
assertEq(evalErrorStr(g, "let oobarbopzopple23 = IDONTEXIST;"), "ReferenceError: IDONTEXIST is not defined");
assertEq(gw.forceLexicalInitializationByName(("foo" + "bar" + "bop" + "zopple" + 2 + 3).slice(1)),
true);
assertEq(g.evaluate("oobarbopzopple23"), undefined);
// Ensure that only strings are accepted by forceLexicalInitializationByName
const bad_types = [
2112,
{geddy: "lee"},
() => 1,
[],
Array,
"'1'", // non-identifier
]
for (var badType of bad_types) {
assertThrowsInstanceOf(() => {
gw.forceLexicalInitializationByName(badType);
}, TypeError);
}
// Finally, supplying no arguments should throw a type error
assertThrowsInstanceOf(() => {
Debugger.isCompilableUnit();
}, TypeError);
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