Frame-eval-06.js - mozsearch

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// frame.eval throws if frame is a generator frame that isn't currently on the stack

load(libdir + "asserts.js");

var g = newGlobal({newCompartment: true});

g.eval("function* gen(a) { debugger; yield a; }");

g.eval("function test() { debugger; }");

var dbg = new Debugger(g);

var genframe;

var hits = 0;

dbg.onDebuggerStatement = function (frame) {

    if (frame.callee.name == 'gen')

        genframe = frame;

    else

        assertThrowsInstanceOf(function () { genframe.eval("a"); }, Error);

    hits++;

};

g.eval("var it = gen(42); assertEq(it.next().value, 42); test();");

assertEq(hits, 2);