onNewScript-02.js - mozsearch

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// Creating a new script with any number of subscripts triggers the newScript hook exactly once.

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

var dbg = Debugger(g);

var seen = new WeakMap();

var hits;

dbg.onNewScript = function (s) {

    assertEq(s instanceof Debugger.Script, true);

    assertEq(!seen.has(s), true);

    seen.set(s, true);

    hits++;

};

dbg.uncaughtExceptionHook = function () { hits = -999; };

function test(f) {

    hits = 0;

    f();

    assertEq(hits, 1);

// eval declaring a function

test(function () { g.eval("function A(m, n) { return m===0?n+1:n===0?A(m-1,1):A(m-1,A(m,n-1)); }"); });

// evaluate declaring a function

test(function () { g.eval("function g(a, b) { return b===0?a:g(b,a%b); }"); });

// eval declaring multiple functions

test(function () {

    g.eval("function e(i) { return i===0||o(i-1); }\n" +

           "function o(i) { return i!==0&&e(i-1); }\n");

});

// eval declaring nested functions

test(function () { g.eval("function plus(x) { return function plusx(y) { return x + y; }; }"); });

// eval with a function-expression

test(function () { g.eval("[3].map(function (i) { return -i; });"); });

// eval with getters and setters

test(function () { g.eval("var obj = {get x() { return 1; }, set x(v) { print(v); }};"); });

// Function with nested functions

test(function () { return g.Function("a", "b", "return b - a;"); });

// eval declaring a star generator

test(function () { g.eval("function* sg(n) { for (var i=0;i<n;i++) yield i; }"); });

// eval creating several instances of a closure

test(function () { g.eval("for (var i = 0; i < 7; i++)\n" +

                          "    obj = function () { return obj; };\n"); });

// non-strict-mode direct eval

g.eval("function e(s) { eval(s); }");

test(function () { g.e("function f(x) { return -x; }"); });

// strict-mode direct eval

g.eval("function E(s) { 'use strict'; eval(s); }");

test(function () { g.E("function g(x) { return -x; }"); });