function assert(actual, expected, message) {    if (arguments.length == 1)        expected = true;     if (actual === expected)        return;     if (actual !== null && expected !== null    &&  typeof actual == 'object' && typeof expected == 'object'    &&  actual.toString() === expected.toString())        return;     throw Error("assertion failed: got |" + actual + "|" +                ", expected |" + expected + "|" +                (message ? " (" + message + ")" : ""));} // load more elaborate version of assert if availabletry { __loadScript("test_assert.js"); } catch(e) {} /*----------------*/ function test_while(){    var i, c;    i = 0;    c = 0;    while (i < 3) {        c++;        i++;    }    assert(c === 3);} function test_while_break(){    var i, c;    i = 0;    c = 0;    while (i < 3) {        c++;        if (i == 1)            break;        i++;    }    assert(c === 2 && i === 1);} function test_do_while(){    var i, c;    i = 0;    c = 0;    do {        c++;        i++;    } while (i < 3);    assert(c === 3 && i === 3);} function test_for(){    var i, c;    c = 0;    for(i = 0; i < 3; i++) {        c++;    }    assert(c === 3 && i === 3);     c = 0;    for(var j = 0; j < 3; j++) {        c++;    }    assert(c === 3 && j === 3);} function test_for_in(){    var i, tab, a, b;     tab = [];    for(i in {x:1, y: 2}) {        tab.push(i);    }    assert(tab.toString(), "x,y", "for_in");     /* prototype chain test */    a = {x:2, y: 2, "1": 3};    b = {"4" : 3 };    Object.setPrototypeOf(a, b);    tab = [];    for(i in a) {        tab.push(i);    }    assert(tab.toString(), "1,x,y,4", "for_in");     /* non enumerable properties hide enumerables ones in the       prototype chain */    a = {y: 2, "1": 3};    Object.defineProperty(a, "x", { value: 1 });    b = {"x" : 3 };    Object.setPrototypeOf(a, b);    tab = [];    for(i in a) {        tab.push(i);    }    assert(tab.toString(), "1,y", "for_in");     /* array optimization */    a = [];    for(i = 0; i < 10; i++)        a.push(i);    tab = [];    for(i in a) {        tab.push(i);    }    assert(tab.toString(), "0,1,2,3,4,5,6,7,8,9", "for_in");     /* iterate with a field */    a={x:0};    tab = [];    for(a.x in {x:1, y: 2}) {        tab.push(a.x);    }    assert(tab.toString(), "x,y", "for_in");     /* iterate with a variable field */    a=[0];    tab = [];    for(a[0] in {x:1, y: 2}) {        tab.push(a[0]);    }    assert(tab.toString(), "x,y", "for_in");     /* variable definition in the for in */    tab = [];    for(var j in {x:1, y: 2}) {        tab.push(j);    }    assert(tab.toString(), "x,y", "for_in");     /* variable assigment in the for in */    tab = [];    for(var k = 2 in {x:1, y: 2}) {        tab.push(k);    }    assert(tab.toString(), "x,y", "for_in");} function test_for_in2(){    var i;    tab = [];    for(i in {x:1, y: 2, z:3}) {        if (i === "y")            continue;        tab.push(i);    }    assert(tab.toString() == "x,z");     tab = [];    for(i in {x:1, y: 2, z:3}) {        if (i === "z")            break;        tab.push(i);    }    assert(tab.toString() == "x,y");} function test_for_break(){    var i, c;    c = 0;    L1: for(i = 0; i < 3; i++) {        c++;        if (i == 0)            continue;        while (1) {            break L1;        }    }    assert(c === 2 && i === 1);} function test_switch1(){    var i, a, s;    s = "";    for(i = 0; i < 3; i++) {        a = "?";        switch(i) {        case 0:            a = "a";            break;        case 1:            a = "b";            break;        default:            a = "c";            break;        }        s += a;    }    assert(s === "abc" && i === 3);} function test_switch2(){    var i, a, s;    s = "";    for(i = 0; i < 4; i++) {        a = "?";        switch(i) {        case 0:            a = "a";            break;        case 1:            a = "b";            break;        case 2:            continue;        default:            a = "" + i;            break;        }        s += a;    }    assert(s === "ab3" && i === 4);} function test_try_catch1(){    try {        throw "hello";    } catch (e) {        assert(e, "hello", "catch");        return;    }    assert(false, "catch");} function test_try_catch2(){    var a;    try {        a = 1;    } catch (e) {        a = 2;    }    assert(a, 1, "catch");} function test_try_catch3(){    var s;    s = "";    try {        s += "t";    } catch (e) {        s += "c";    } finally {        s += "f";    }    assert(s, "tf", "catch");} function test_try_catch4(){    var s;    s = "";    try {        s += "t";        throw "c";    } catch (e) {        s += e;    } finally {        s += "f";    }    assert(s, "tcf", "catch");} function test_try_catch5(){    var s;    s = "";    for(;;) {        try {            s += "t";            break;            s += "b";        } finally {            s += "f";        }    }    assert(s, "tf", "catch");} function test_try_catch6(){    function f() {        try {            s += 't';            return 1;        } finally {            s += "f";        }    }    var s = "";    assert(f() === 1);    assert(s, "tf", "catch6");} function test_try_catch7(){    var s;    s = "";     try {        try {            s += "t";            throw "a";        } finally {            s += "f";        }    } catch(e) {        s += e;    } finally {        s += "g";    }    assert(s, "tfag", "catch");} function test_try_catch8(){    var i, s;        s = "";    for(var i in {x:1, y:2}) {        try {            s += i;            throw "a";        } catch (e) {            s += e;        } finally {            s += "f";        }    }    assert(s === "xafyaf");} test_while();test_while_break();test_do_while();test_for();test_for_break();test_switch1();test_switch2();test_for_in();test_for_in2(); test_try_catch1();test_try_catch2();test_try_catch3();test_try_catch4();test_try_catch5();test_try_catch6();test_try_catch7();test_try_catch8();