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mirror of https://github.com/robertkrimen/otto synced 2025-10-19 19:55:30 +08:00
otto/otto_test.go

684 lines
13 KiB
Go

package otto
import (
. "./terst"
"github.com/robertkrimen/otto/underscore"
"math"
"strings"
"testing"
)
var (
_newOttoClone = false
_newOtto = map[string]*Otto{}
_runTestWithOtto = struct {
Otto *Otto
test func(string, ...interface{}) Value
}{}
)
func newOtto(kind string, setup func(otto *Otto)) *Otto {
if _newOttoClone {
otto := _newOtto[kind]
if otto == nil {
otto = New()
if setup != nil {
setup(otto)
}
_newOtto[kind] = otto
}
return otto.clone()
}
otto := New()
if setup != nil {
setup(otto)
}
return otto
}
func failSet(name string, value interface{}) {
err := _runTestWithOtto.Otto.Set(name, value)
Is(err, nil)
if err != nil {
Terst().TestingT.FailNow()
}
}
func runTestWithOtto() (*Otto, func(string, ...interface{}) Value) {
cache := &_runTestWithOtto
Otto := newOtto("", nil)
test := func(name string, expect ...interface{}) Value {
raise := false
defer func() {
if caught := recover(); caught != nil {
if raise {
if len(expect) > 0 {
Is(caught, expect[0])
}
} else {
dbg("Panic, caught:", caught)
panic(caught)
}
}
}()
var value Value
if isIdentifier(name) {
value = Otto.getValue(name)
} else {
source := name
index := strings.Index(source, "raise:")
if index == 0 {
raise = true
source = source[6:]
source = strings.TrimLeft(source, " ")
}
value = Otto.runtime.run(source)
}
value = Otto.runtime.GetValue(value)
if len(expect) > 0 {
Is(value, expect[0])
}
return value
}
cache.Otto = Otto
cache.test = test
return Otto, test
}
func runTest() func(string, ...interface{}) Value {
_, test := runTestWithOtto()
return test
}
func TestTransformRegExp(t *testing.T) {
Terst(t)
Is(transformRegExp(`\\|'|\r|\n|\t|\u2028|\u2029`), `\\|'|\r|\n|\t|\x{2028}|\x{2029}`)
Is(transformRegExp(`\x`), `x`)
Is(transformRegExp(`\u0z01\x\undefined`), `u0z01xundefined`)
}
func TestIsValidRegExp(t *testing.T) {
Terst(t)
IsTrue(isValidRegExp(""))
IsTrue(isValidRegExp("[0-9]"))
IsTrue(isValidRegExp("[(?=(?!]"))
IsTrue(isValidRegExp("\\(?="))
IsTrue(isValidRegExp("(\\?!"))
IsTrue(isValidRegExp("(?\\="))
IsFalse(isValidRegExp("(?="))
IsFalse(isValidRegExp("\\((?!"))
IsFalse(isValidRegExp("[0-9](?!"))
}
func TestOtto(t *testing.T) {
Terst(t)
test := runTest()
test("xyzzy = 2", "2")
test("xyzzy + 2", "4")
test("xyzzy += 16", "18")
test("xyzzy", "18")
test(`
(function(){
return 1
})()
`, "1")
test(`
(function(){
return 1
}).call(this)
`, "1")
test(`
(function(){
var result
(function(){
result = -1
})()
return result
})()
`, "-1")
test(`
var abc = 1
abc || (abc = -1)
abc
`, "1")
test(`
var abc = (function(){ 1 === 1 })();
abc;
`, "undefined")
}
func TestSpeed(t *testing.T) {
Terst(t)
return
test := underscoreTest()
test(`
size = 300000
if (false) {
array = new Array(size)
for (i = 0; i < array.length; i++) {
array[i] = i
}
}
else if (true) {
Math.max.apply(Math, _.range(1, size))
}
else if (true) {
_.max(_.range(1,size))
}
else {
_.range(1,size)
}
`)
}
func Test_typeof(t *testing.T) {
Terst(t)
test := runTest()
test(`typeof abc`, "undefined")
test(`typeof abc === 'undefined'`, "true")
test(`typeof {}`, "object")
test(`typeof null`, "object")
}
func Test_PrimitiveValueObjectValue(t *testing.T) {
Terst(t)
test := runTest()
Number11 := test(`new Number(11)`)
Is(toFloat(Number11), "11")
}
func Test_eval(t *testing.T) {
Terst(t)
test := runTest()
test(`
abc = 1
`)
test(`
eval("abc += 1")
`, "2")
test(`
(function(){
var abc = 11
eval("abc += 1")
return abc
})()
`, "12")
test(`abc`, "2")
test(`
var ghi;
(function(){
try {
eval("var prop = \\u2029;");
return false;
} catch (abc) {
ghi = abc.toString()
return abc instanceof SyntaxError;
}
})()
`, "true")
// TODO Should be: ReferenceError: ghi is not defined
test(`ghi`, "SyntaxError: Unexpected token ILLEGAL ()")
test(`
function abc(){
this.THIS = eval("this");
}
var def = new abc();
def === def.THIS;
`, "true")
}
func Test_evalDirectIndirect(t *testing.T) {
Terst(t)
test := runTest()
test(`
var abc = "global";
(function(){
try {
var _eval = eval;
var abc = "function";
if (
_eval("\'global\' === abc") === true && // eval (Indirect)
eval("\'function\' === abc") === true // eval (Direct)
) {
return true;
}
return false;
} finally {
delete this.abc;
}
})()
`, "true")
}
func TestError_URIError(t *testing.T) {
Terst(t)
test := runTest()
test(`new URIError() instanceof URIError`, "true")
test(`
var abc
try {
decodeURI("http://example.com/ _^#%")
}
catch (def) {
abc = def instanceof URIError
}
abc
`, "true")
}
func TestTo(t *testing.T) {
Terst(t)
test := runTest()
{
value, _ := test(`"11"`).ToFloat()
Is(value, float64(11))
}
{
value, _ := test(`"11"`).ToInteger()
Is(value, int64(11))
value, _ = test(`1.1`).ToInteger()
Is(value, int64(1))
}
}
func TestShouldError(t *testing.T) {
Terst(t)
test := runTest()
test(`raise:
xyzzy
throw new TypeError("Nothing happens.")
`, "ReferenceError: xyzzy is not defined")
}
func TestAPI(t *testing.T) {
Terst(t)
Otto, test := runTestWithOtto()
test(`
String.prototype.xyzzy = function(){
return this.length + 11 + (arguments[0] || 0)
}
abc = new String("xyzzy")
def = "Nothing happens."
abc.xyzzy()
`, "16")
abc, _ := Otto.Get("abc")
def, _ := Otto.Get("def")
object := abc.Object()
result, _ := object.Call("xyzzy")
Is(result, "16")
result, _ = object.Call("xyzzy", 1)
Is(result, "17")
value, _ := object.Get("xyzzy")
result, _ = value.Call(def)
Is(result, "27")
result, _ = value.Call(def, 3)
Is(result, "30")
object = value.Object() // Object xyzzy
result, _ = object.Value().Call(def, 3)
Is(result, "30")
}
func TestUnicode(t *testing.T) {
Terst(t)
test := runTest()
test(`var abc = eval("\"a\uFFFFa\"");`)
test(`abc.length`, "3")
test(`abc != "aa"`, "true")
test("abc[1] === \"\uFFFF\"", "true")
}
func TestDotMember(t *testing.T) {
Terst(t)
test := runTest()
test(`
abc = {
ghi: 11,
}
abc.def = "Xyzzy"
abc.null = "Nothing happens."
`)
test(`abc.def`, "Xyzzy")
test(`abc.null`, "Nothing happens.")
test(`abc.ghi`, "11")
test(`
abc = {
null: 11,
}
`)
test(`abc.def`, "undefined")
test(`abc.null`, "11")
test(`abc.ghi`, "undefined")
}
func Test_stringToFloat(t *testing.T) {
Terst(t)
Is(stringToFloat("10e10000"), math.Inf(1))
Is(stringToFloat("10e10_."), "NaN")
}
func Test_delete(t *testing.T) {
Terst(t)
test := runTest()
test(`
delete 42;
`, "true")
test(`
abc = delete $_undefined_$;
abc = abc && delete ($_undefined_$);
abc;
`, "true")
}
func TestObject_defineOwnProperty(t *testing.T) {
Terst(t)
test := runTest()
test(`
var object = {};
var descriptor = new Boolean(false);
descriptor.configurable = true;
Object.defineProperties(object, {
property: descriptor
});
var abc = object.hasOwnProperty("property");
delete object.property;
var def = object.hasOwnProperty("property");
[ abc, def ];
`, "true,false")
test(`
var object = [0, 1, 2];
Object.defineProperty(object, "0", {
value: 42,
writable: false,
enumerable: false,
configurable: false
});
var abc = Object.getOwnPropertyDescriptor(object, "0");
[ abc.value, abc.writable, abc.enumerable, abc.configurable ];
`, "42,false,false,false")
test(`
var abc = { "xyzzy": 42 };
var def = Object.defineProperties(abc, "");
abc === def;
`, "true")
}
func Test_assignmentEvaluationOrder(t *testing.T) {
Terst(t)
test := runTest()
//test(`
// var abc = 0;
// ((abc = 1) & abc);
//`, "1")
test(`
var abc = 0;
(abc & (abc = 1));
`, "0")
}
func TestOttoCall(t *testing.T) {
Terst(t)
otto, _ := runTestWithOtto()
_, err := otto.Run(`
var abc = {
ghi: 1,
def: function(def){
var ghi = 0;
if (this.ghi) {
ghi = this.ghi;
}
return "def: " + (def + 3.14159 + ghi);
}
};
`)
Is(err, nil)
value, err := otto.Call(`abc.def`, nil, 2)
Is(err, nil)
Is(value, "def: 6.14159")
value, err = otto.Call(`abc.def`, "", 2)
Is(err, nil)
Is(value, "def: 5.14159")
// Do not attempt to do a ToValue on a this of nil
value, err = otto.Call(`jkl.def`, nil, 1, 2, 3)
IsNot(err, nil)
Is(value, "undefined")
value, err = otto.Call(`[ 1, 2, 3, undefined, 4 ].concat`, nil, 5, 6, 7, "abc")
Is(err, nil)
Is(value, "1,2,3,,4,5,6,7,abc")
}
func TestOttoCall_new(t *testing.T) {
Terst(t)
_, test := runTestWithOtto()
failSet("abc", func(call FunctionCall) Value {
value, err := call.Otto.Call(`new Object`, nil, "Nothing happens.")
Is(err, nil)
return value
})
test(`
def = abc();
[ def, def instanceof String ];
`, "Nothing happens.,true")
}
func TestOttoCall_throw(t *testing.T) {
Terst(t)
return
_, test := runTestWithOtto()
failSet("abc", func(call FunctionCall) Value {
if false {
call.Otto.Call(`throw eval`, nil, "({ def: 3.14159 })")
}
call.Otto.Call(`throw Error`, nil, "abcdef")
return UndefinedValue()
})
// TODO try { abc(); } catch (err) { error = err }
// Possible unrelated error case:
// If error is not declared beforehand, is later referencing it a ReferenceError?
// Should the catch { } declare error in the outer scope?
test(`
var error;
try {
abc();
}
catch (err) {
error = err;
}
[ error instanceof Error, error.message, error.def ];
`, "true,abcdef,")
failSet("def", func(call FunctionCall) Value {
call.Otto.Call(`throw new Object`, nil, 3.14159)
return UndefinedValue()
})
test(`
try {
def();
}
catch (err) {
error = err;
}
[ error instanceof Error, error.message, error.def, typeof error, error, error instanceof Number ];
`, "false,,,object,3.14159,true")
}
func TestOttoCall_clone(t *testing.T) {
Terst(t)
otto := New().clone()
{
Is(otto.runtime.Global.Array.prototype, otto.runtime.Global.FunctionPrototype)
IsNot(otto.runtime.Global.ArrayPrototype, nil)
Is(otto.runtime.Global.Array.runtime, otto.runtime)
Is(otto.runtime.Global.Array.prototype.runtime, otto.runtime)
Is(otto.runtime.Global.Array.get("prototype")._object().runtime, otto.runtime)
}
{
value, err := otto.Run(`[ 1, 2, 3 ].toString()`)
Is(err, nil)
Is(value, "1,2,3")
}
{
value, err := otto.Run(`[ 1, 2, 3 ]`)
Is(err, nil)
Is(value, "1,2,3")
object := value._object()
IsNot(object, nil)
Is(object.prototype, otto.runtime.Global.ArrayPrototype)
value, err = otto.Run(`Array.prototype`)
Is(err, nil)
object = value._object()
Is(object.runtime, otto.runtime)
IsNot(object, nil)
Is(object, otto.runtime.Global.ArrayPrototype)
}
{
otto1 := New()
_, err := otto1.Run(`
var abc = 1;
var def = 2;
`)
Is(err, nil)
otto2 := otto1.clone()
value, err := otto2.Run(`abc += 1; abc;`)
Is(err, nil)
Is(value, "2")
value, err = otto1.Run(`abc += 4; abc;`)
Is(err, nil)
Is(value, "5")
}
{
otto1 := New()
_, err := otto1.Run(`
var abc = 1;
var def = function(value) {
abc += value;
return abc;
}
`)
Is(err, nil)
otto2 := otto1.clone()
value, err := otto2.Run(`def(1)`)
Is(err, nil)
Is(value, "2")
value, err = otto1.Run(`def(4)`)
Is(err, nil)
Is(value, "5")
}
{
otto1 := New()
_, err := otto1.Run(`
var abc = {
ghi: 1,
jkl: function(value) {
this.ghi += value;
return this.ghi;
}
};
var def = {
abc: abc
};
`)
Is(err, nil)
otto2 := otto1.clone()
value, err := otto2.Run(`def.abc.jkl(1)`)
Is(err, nil)
Is(value, "2")
value, err = otto1.Run(`def.abc.jkl(4)`)
Is(err, nil)
Is(value, "5")
}
}
func BenchmarkNew(b *testing.B) {
for i := 0; i < b.N; i++ {
New()
}
}
func BenchmarkClone(b *testing.B) {
otto := New()
b.ResetTimer()
for i := 0; i < b.N; i++ {
otto.clone()
}
}
func BenchmarkNew_(b *testing.B) {
for i := 0; i < b.N; i++ {
otto := New()
otto.Run(underscore.Source())
}
}
func BenchmarkClone_(b *testing.B) {
otto := New()
otto.Run(underscore.Source())
b.ResetTimer()
for i := 0; i < b.N; i++ {
otto.clone()
}
}