Environment-setVariable-08.js

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// setVariable throws if no binding exists.

load(libdir + "asserts.js");

function test(code) {

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

    var dbg = new Debugger(g);

    var hits = 0;

    dbg.onDebuggerStatement = function (frame) {

        var env = frame.older.environment;

        assertThrowsInstanceOf(function () { env.setVariable("y", 2); }, Error);

        hits++;

};

    g.eval("var y = 0; function d() { debugger; }");

    assertEq(g.eval(code), 0);

    assertEq(g.y, 0);

    assertEq(hits, 1);

// local scope of non-heavyweight function

test("function f() { var x = 1; d(); return y; }  f();");

// block scope

test("function h(x) { if (x) { let x = 1; d(); return y; } }  h(3);");

// strict eval scope

test("'use strict'; eval('d(); y;');");