path: root/Godeps/_workspace/src/github.com/robertkrimen/otto/global_test.go

package otto

import (
    "fmt"
    "math"
    "strings"
    "testing"
)

func TestGlobal(t *testing.T) {
    tt(t, func() {
        test, vm := test()

        runtime := vm.vm.runtime

        {
            call := func(object interface{}, src string, argumentList ...interface{}) Value {
                var tgt *Object
                switch object := object.(type) {
                case Value:
                    tgt = object.Object()
                case *Object:
                    tgt = object
                case *_object:
                    tgt = toValue_object(object).Object()
                default:
                    panic("Here be dragons.")
                }
                value, err := tgt.Call(src, argumentList...)
                is(err, nil)
                return value
            }

            // FIXME enterGlobalScope
            if false {
                value := runtime.scope.lexical.getBinding("Object", false)._object().call(UndefinedValue(), []Value{toValue(runtime.newObject())}, false, nativeFrame)
                is(value.IsObject(), true)
                is(value, "[object Object]")
                is(value._object().prototype == runtime.global.ObjectPrototype, true)
                is(value._object().prototype == runtime.global.Object.get("prototype")._object(), true)
                is(value._object().get("toString"), "function toString() { [native code] }")
                is(call(value.Object(), "hasOwnProperty", "hasOwnProperty"), false)

                is(call(value._object().get("toString")._object().prototype, "toString"), "function () { [native code] }") // TODO Is this right?
                is(value._object().get("toString")._object().get("toString"), "function toString() { [native code] }")
                is(value._object().get("toString")._object().get("toString")._object(), "function toString() { [native code] }")

                is(call(value._object(), "propertyIsEnumerable", "isPrototypeOf"), false)
                value._object().put("xyzzy", toValue_string("Nothing happens."), false)
                is(call(value, "propertyIsEnumerable", "isPrototypeOf"), false)
                is(call(value, "propertyIsEnumerable", "xyzzy"), true)
                is(value._object().get("xyzzy"), "Nothing happens.")

                is(call(runtime.scope.lexical.getBinding("Object", false), "isPrototypeOf", value), false)
                is(call(runtime.scope.lexical.getBinding("Object", false)._object().get("prototype"), "isPrototypeOf", value), true)
                is(call(runtime.scope.lexical.getBinding("Function", false), "isPrototypeOf", value), false)

                is(runtime.newObject().prototype == runtime.global.Object.get("prototype")._object(), true)

                abc := runtime.newBoolean(toValue_bool(true))
                is(toValue_object(abc), "true") // TODO Call primitive?

                //def := runtime.localGet("Boolean")._object().Construct(UndefinedValue(), []Value{})
                //is(def, "false") // TODO Call primitive?
            }
        }

        test(`new Number().constructor == Number`, true)

        test(`this.hasOwnProperty`, "function hasOwnProperty() { [native code] }")

        test(`eval.length === 1`, true)
        test(`eval.prototype === undefined`, true)
        test(`raise: new eval()`, "TypeError: function eval() { [native code] } is not a constructor")

        test(`
            [
                [ delete undefined, undefined ],
                [ delete NaN, NaN ],
                [ delete Infinity, Infinity ],
            ];
        `, "false,,false,NaN,false,Infinity")

        test(`
            Object.getOwnPropertyNames(Function('return this')()).sort();
        `, "Array,Boolean,Date,Error,EvalError,Function,Infinity,JSON,Math,NaN,Number,Object,RangeError,ReferenceError,RegExp,String,SyntaxError,TypeError,URIError,console,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,escape,eval,isFinite,isNaN,parseFloat,parseInt,undefined,unescape")

        // __defineGetter__,__defineSetter__,__lookupGetter__,__lookupSetter__,constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf
        test(`
            Object.getOwnPropertyNames(Object.prototype).sort();
        `, "constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf")

        // arguments,caller,length,name,prototype
        test(`
            Object.getOwnPropertyNames(EvalError).sort();
        `, "length,prototype")

        test(`
            var abc = [];
            var def = [EvalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError];
            for (constructor in def) {
                abc.push(def[constructor] === def[constructor].prototype.constructor);
            }
            def = [Array, Boolean, Date, Function, Number, Object, RegExp, String, SyntaxError];
            for (constructor in def) {
                abc.push(def[constructor] === def[constructor].prototype.constructor);
            }
            abc;
        `, "true,true,true,true,true,true,true,true,true,true,true,true,true,true,true")

        test(`
            [ Array.prototype.constructor === Array, Array.constructor === Function ];
        `, "true,true")

        test(`
            [ Number.prototype.constructor === Number, Number.constructor === Function ];
        `, "true,true")

        test(`
            [ Function.prototype.constructor === Function, Function.constructor === Function ];
        `, "true,true")
    })
}

func TestGlobalLength(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`
            [ Object.length, Function.length, RegExp.length, Math.length ];
        `, "1,1,2,")
    })
}

func TestGlobalError(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`
            [ TypeError.length, TypeError(), TypeError("Nothing happens.") ];
        `, "1,TypeError,TypeError: Nothing happens.")

        test(`
            [ URIError.length, URIError(), URIError("Nothing happens.") ];
        `, "1,URIError,URIError: Nothing happens.")
    })
}

func TestGlobalReadOnly(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`Number.POSITIVE_INFINITY`, math.Inf(1))

        test(`
            Number.POSITIVE_INFINITY = 1;
        `, 1)

        test(`Number.POSITIVE_INFINITY`, math.Inf(1))

        test(`
            Number.POSITIVE_INFINITY = 1;
            Number.POSITIVE_INFINITY;
        `, math.Inf(1))
    })
}

func Test_isNaN(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`isNaN(0)`, false)
        test(`isNaN("Xyzzy")`, true)
        test(`isNaN()`, true)
        test(`isNaN(NaN)`, true)
        test(`isNaN(Infinity)`, false)

        test(`isNaN.length === 1`, true)
        test(`isNaN.prototype === undefined`, true)
    })
}

func Test_isFinite(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`isFinite(0)`, true)
        test(`isFinite("Xyzzy")`, false)
        test(`isFinite()`, false)
        test(`isFinite(NaN)`, false)
        test(`isFinite(Infinity)`, false)
        test(`isFinite(new Number(451));`, true)

        test(`isFinite.length === 1`, true)
        test(`isFinite.prototype === undefined`, true)
    })
}

func Test_parseInt(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`parseInt("0")`, 0)
        test(`parseInt("11")`, 11)
        test(`parseInt(" 11")`, 11)
        test(`parseInt("11 ")`, 11)
        test(`parseInt(" 11 ")`, 11)
        test(`parseInt(" 11\n")`, 11)
        test(`parseInt(" 11\n", 16)`, 17)

        test(`parseInt("Xyzzy")`, _NaN)

        test(`parseInt(" 0x11\n", 16)`, 17)
        test(`parseInt("0x0aXyzzy", 16)`, 10)
        test(`parseInt("0x1", 0)`, 1)
        test(`parseInt("0x10000000000000000000", 16)`, float64(75557863725914323419136))

        test(`parseInt.length === 2`, true)
        test(`parseInt.prototype === undefined`, true)
    })
}

func Test_parseFloat(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`parseFloat("0")`, 0)
        test(`parseFloat("11")`, 11)
        test(`parseFloat(" 11")`, 11)
        test(`parseFloat("11 ")`, 11)
        test(`parseFloat(" 11 ")`, 11)
        test(`parseFloat(" 11\n")`, 11)
        test(`parseFloat(" 11\n", 16)`, 11)
        test(`parseFloat("11.1")`, 11.1)

        test(`parseFloat("Xyzzy")`, _NaN)

        test(`parseFloat(" 0x11\n", 16)`, 0)
        test(`parseFloat("0x0a")`, 0)
        test(`parseFloat("0x0aXyzzy")`, 0)
        test(`parseFloat("Infinity")`, _Infinity)
        test(`parseFloat("infinity")`, _NaN)
        test(`parseFloat("0x")`, 0)
        test(`parseFloat("11x")`, 11)
        test(`parseFloat("Infinity1")`, _Infinity)

        test(`parseFloat.length === 1`, true)
        test(`parseFloat.prototype === undefined`, true)
    })
}

func Test_encodeURI(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`encodeURI("http://example.com/ Nothing happens.")`, "http://example.com/%20Nothing%20happens.")
        test(`encodeURI("http://example.com/ _^#")`, "http://example.com/%20_%5E#")
        test(`encodeURI(String.fromCharCode("0xE000"))`, "%EE%80%80")
        test(`encodeURI(String.fromCharCode("0xFFFD"))`, "%EF%BF%BD")
        test(`raise: encodeURI(String.fromCharCode("0xDC00"))`, "URIError: URI malformed")

        test(`encodeURI.length === 1`, true)
        test(`encodeURI.prototype === undefined`, true)
    })
}

func Test_encodeURIComponent(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`encodeURIComponent("http://example.com/ Nothing happens.")`, "http%3A%2F%2Fexample.com%2F%20Nothing%20happens.")
        test(`encodeURIComponent("http://example.com/ _^#")`, "http%3A%2F%2Fexample.com%2F%20_%5E%23")
    })
}

func Test_decodeURI(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`decodeURI(encodeURI("http://example.com/ Nothing happens."))`, "http://example.com/ Nothing happens.")
        test(`decodeURI(encodeURI("http://example.com/ _^#"))`, "http://example.com/ _^#")
        test(`raise: decodeURI("http://example.com/ _^#%")`, "URIError: URI malformed")
        test(`raise: decodeURI("%DF%7F")`, "URIError: URI malformed")
        for _, check := range strings.Fields("+ %3B %2F %3F %3A %40 %26 %3D %2B %24 %2C %23") {
            test(fmt.Sprintf(`decodeURI("%s")`, check), check)
        }

        test(`decodeURI.length === 1`, true)
        test(`decodeURI.prototype === undefined`, true)
    })
}

func Test_decodeURIComponent(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`decodeURIComponent(encodeURI("http://example.com/ Nothing happens."))`, "http://example.com/ Nothing happens.")
        test(`decodeURIComponent(encodeURI("http://example.com/ _^#"))`, "http://example.com/ _^#")

        test(`decodeURIComponent.length === 1`, true)
        test(`decodeURIComponent.prototype === undefined`, true)

        test(`
        var global = Function('return this')();
        var abc = Object.getOwnPropertyDescriptor(global, "decodeURIComponent");
        [ abc.value === global.decodeURIComponent, abc.writable, abc.enumerable, abc.configurable ];
    `, "true,true,false,true")
    })
}

func TestGlobal_skipEnumeration(t *testing.T) {
    tt(t, func() {
        test, _ := test()

        test(`
            var found = [];
            for (var test in this) {
                if (false ||
                    test === 'NaN' ||
                    test === 'undefined' ||
                    test === 'Infinity' ||
                    false) {
                    found.push(test)
                }
            }
            found.length;
        `, 0)

        test(`
            var found = [];
            for (var test in this) {
                if (false ||
                    test === 'Object' ||
                    test === 'Function' ||
                    test === 'String' ||
                    test === 'Number' ||
                    test === 'Array' ||
                    test === 'Boolean' ||
                    test === 'Date' ||
                    test === 'RegExp' ||
                    test === 'Error' ||
                    test === 'EvalError' ||
                    test === 'RangeError' ||
                    test === 'ReferenceError' ||
                    test === 'SyntaxError' ||
                    test === 'TypeError' ||
                    test === 'URIError' ||
                    false) {
                    found.push(test)
                }
            }
            found.length;
        `, 0)
    })
}