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|
// Test that Debugger.Frame.prototype.environment works on suspended generators.
load(libdir + "asserts.js");
const g = newGlobal({ newCompartment: true });
const dbg = new Debugger(g);
g.eval(`
function* f() {
var value = 42;
yield;
{
let block = "block";
yield;
}
for (let loop of ["loop"]) {
yield;
}
try {
throw "err";
} catch (err) {
yield;
}
return value;
}
`);
let frame;
dbg.onEnterFrame = f => {
frame = f;
dbg.onEnterFrame = undefined;
};
const it = g.f();
assertEq(!!frame, true);
let result = it.next();
assertEq(result.done, false);
assertEq(result.value, undefined);
assertEq(
JSON.stringify(frame.environment.names()),
JSON.stringify(["arguments", "value"])
);
assertEq(frame.environment.getVariable("value"), 42);
frame.environment.setVariable("value", 43);
assertEq(frame.environment.getVariable("value"), 43);
result = it.next();
assertEq(
JSON.stringify(frame.environment.names()),
JSON.stringify(["block"])
);
assertEq(frame.environment.getVariable("block"), "block");
result = it.next();
assertEq(
JSON.stringify(frame.environment.names()),
JSON.stringify(["loop"])
);
assertEq(frame.environment.getVariable("loop"), "loop");
result = it.next();
assertEq(
JSON.stringify(frame.environment.names()),
JSON.stringify(["err"])
);
assertEq(frame.environment.getVariable("err"), "err");
result = it.next();
assertEq(result.done, true);
assertEq(result.value, 43);
assertThrowsInstanceOf(() => frame.environment, Error);
|
