Frame-this-08.js - mozsearch

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// Frame.this and evalInFrame in arrow function that uses 'this'.

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

g.eval("x = 4");

g.eval("var foo = function() { 'use strict'; return () => this; }; var arrow = foo.call(3);");

var dbg = new Debugger(g);

var hits = 0;

dbg.onEnterFrame = function (frame) {

    if (frame.type === "eval")

	return;

    hits++;

    assertEq(frame.type, "call");

    assertEq(frame.this, 3);

    assertEq(frame.eval("this + 1").return, 4);

};

g.eval("arrow();");

assertEq(hits, 1);