Environment-01.js - mozsearch

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// A live Environment can observe the new variables introduced by ES5 non-strict direct eval.

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

g.eval("var x = 'global'; function f(s) { h(); eval(s); h(); }");

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

var dbg = Debugger(g);

var env = undefined;

var hits = 0;

dbg.onDebuggerStatement = function (hframe) {

    if (env === undefined) {

        // First debugger statement.

        env = hframe.older.environment;

        assertEq(env.find("x") !== env, true);

        assertEq(env.names().indexOf("x"), -1);

    } else {

        // Second debugger statement, post-eval.

        assertEq(env.find("x"), env);

        assertEq(env.names().indexOf("x") >= 0, true);

    hits++;

};

g.f("var x = 'local';");

assertEq(hits, 2);