ai_old/goja/object_goslice_reflect_test.go

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2024-09-20 16:50:35 +08:00
package goja
import (
"reflect"
"testing"
)
func TestGoSliceReflectBasic(t *testing.T) {
const SCRIPT = `
var sum = 0;
for (var i = 0; i < a.length; i++) {
sum += a[i];
}
sum;
`
r := New()
r.Set("a", []int{1, 2, 3, 4})
v, err := r.RunString(SCRIPT)
if err != nil {
t.Fatal(err)
}
if i := v.ToInteger(); i != 10 {
t.Fatalf("Expected 10, got: %d", i)
}
}
func TestGoSliceReflectIn(t *testing.T) {
const SCRIPT = `
var idx = "";
for (var i in a) {
idx += i;
}
idx;
`
r := New()
r.Set("a", []int{1, 2, 3, 4})
v, err := r.RunString(SCRIPT)
if err != nil {
t.Fatal(err)
}
if i := v.String(); i != "0123" {
t.Fatalf("Expected '0123', got: '%s'", i)
}
}
func TestGoSliceReflectSet(t *testing.T) {
const SCRIPT = `
a[0] = 33;
a[1] = 333;
a[2] = "42";
a[3] = {};
a[4] = 0;
`
r := New()
a := []int8{1, 2, 3, 4}
r.Set("a", a)
_, err := r.RunString(SCRIPT)
if err != nil {
t.Fatal(err)
}
if a[0] != 33 {
t.Fatalf("a[0] = %d, expected 33", a[0])
}
if a[1] != 77 {
t.Fatalf("a[1] = %d, expected 77", a[1])
}
if a[2] != 42 {
t.Fatalf("a[2] = %d, expected 42", a[2])
}
if a[3] != 0 {
t.Fatalf("a[3] = %d, expected 0", a[3])
}
}
func TestGoSliceReflectPush(t *testing.T) {
r := New()
t.Run("Can push to array by array ptr", func(t *testing.T) {
a := []int8{1}
r.Set("a", &a)
_, err := r.RunString(`a.push (10)`)
if err != nil {
t.Fatal(err)
}
if a[1] != 10 {
t.Fatalf("a[1] = %d, expected 10", a[1])
}
})
t.Run("Can push to array by struct ptr", func(t *testing.T) {
type testStr struct {
A []int
}
a := testStr{
A: []int{2},
}
r.Set("a", &a)
_, err := r.RunString(`a.A.push (10)`)
if err != nil {
t.Fatal(err)
}
if a.A[1] != 10 {
t.Fatalf("a[1] = %v, expected 10", a)
}
})
}
func TestGoSliceReflectStructField(t *testing.T) {
vm := New()
var s struct {
A []int
B *[]int
}
vm.Set("s", &s)
_, err := vm.RunString(`
'use strict';
s.A.push(1);
if (s.B !== null) {
throw new Error("s.B is not null: " + s.B);
}
s.B = [2];
`)
if err != nil {
t.Fatal(err)
}
if len(s.A) != 1 || s.A[0] != 1 {
t.Fatalf("s.A: %v", s.A)
}
if len(*s.B) != 1 || (*s.B)[0] != 2 {
t.Fatalf("s.B: %v", *s.B)
}
}
func TestGoSliceReflectExportToStructField(t *testing.T) {
vm := New()
v, err := vm.RunString(`({A: [1], B: [2]})`)
if err != nil {
t.Fatal(err)
}
var s struct {
A []int
B *[]int
}
err = vm.ExportTo(v, &s)
if err != nil {
t.Fatal(err)
}
if len(s.A) != 1 || s.A[0] != 1 {
t.Fatalf("s.A: %v", s.A)
}
if len(*s.B) != 1 || (*s.B)[0] != 2 {
t.Fatalf("s.B: %v", *s.B)
}
}
func TestGoSliceReflectProtoMethod(t *testing.T) {
const SCRIPT = `
a.join(",")
`
r := New()
a := []int8{1, 2, 3, 4}
r.Set("a", a)
ret, err := r.RunString(SCRIPT)
if err != nil {
t.Fatal(err)
}
if s := ret.String(); s != "1,2,3,4" {
t.Fatalf("Unexpected result: '%s'", s)
}
}
type gosliceReflect_withMethods []interface{}
func (s gosliceReflect_withMethods) Method() bool {
return true
}
func TestGoSliceReflectMethod(t *testing.T) {
const SCRIPT = `
typeof a === "object" && a[0] === 42 && a.Method() === true;
`
vm := New()
a := make(gosliceReflect_withMethods, 1)
a[0] = 42
vm.Set("a", a)
v, err := vm.RunString(SCRIPT)
if err != nil {
t.Fatal(err)
}
if !v.StrictEquals(valueTrue) {
t.Fatalf("Expected true, got %v", v)
}
}
func TestGoSliceReflectGetStr(t *testing.T) {
r := New()
v := r.ToValue([]string{"test"})
if o, ok := v.(*Object); ok {
if e := o.Get("0").Export(); e != "test" {
t.Fatalf("Unexpected o.Get(\"0\"): %v", e)
}
}
}
func TestGoSliceReflectNilObjectIfaceVal(t *testing.T) {
r := New()
a := []Value{(*Object)(nil)}
r.Set("a", a)
ret, err := r.RunString(`
""+a[0];
`)
if err != nil {
t.Fatal(err)
}
if !asciiString("null").SameAs(ret) {
t.Fatalf("ret: %v", ret)
}
}
func TestGoSliceReflectSetLength(t *testing.T) {
r := New()
a := []int{1, 2, 3, 4}
b := []testing.TB{&testing.T{}, &testing.T{}, (*testing.T)(nil)}
r.Set("a", &a)
r.Set("b", &b)
_, err := r.RunString(`
'use strict';
a.length = 3;
if (a.length !== 3) {
throw new Error("length="+a.length);
}
if (a[3] !== undefined) {
throw new Error("a[3]="+a[3]);
}
a.length = 5;
if (a.length !== 5) {
throw new Error("a.length="+a.length);
}
if (a[3] !== 0) {
throw new Error("a[3]="+a[3]);
}
if (a[4] !== 0) {
throw new Error("a[4]="+a[4]);
}
b.length = 3;
if (b.length !== 3) {
throw new Error("b.length="+b.length);
}
if (b[3] !== undefined) {
throw new Error("b[3]="+b[3]);
}
b.length = 5;
if (b.length !== 5) {
throw new Error("length="+b.length);
}
if (b[3] !== null) {
throw new Error("b[3]="+b[3]);
}
if (b[4] !== null) {
throw new Error("b[4]="+b[4]);
}
if (b[2] !== null) {
throw new Error("b[2]="+b[2]);
}
`)
if err != nil {
t.Fatal(err)
}
}
func TestGoSliceReflectProto(t *testing.T) {
r := New()
a := []*Object{{}, nil, {}}
r.Set("a", &a)
r.testScriptWithTestLib(`
var proto = [,2,,4];
Object.setPrototypeOf(a, proto);
assert.sameValue(a[1], null, "a[1]");
assert.sameValue(a[3], 4, "a[3]");
var desc = Object.getOwnPropertyDescriptor(a, "1");
assert.sameValue(desc.value, null, "desc.value");
assert(desc.writable, "writable");
assert(desc.enumerable, "enumerable");
assert(!desc.configurable, "configurable");
var v5;
Object.defineProperty(proto, "5", {
set: function(v) {
v5 = v;
}
});
a[5] = "test";
assert.sameValue(v5, "test", "v5");
`, _undefined, t)
}
func TestGoSliceReflectProtoProto(t *testing.T) {
r := New()
a := []*Object{{}, nil, {}}
proto := []*Object{{}, {}, {}, {}}
r.Set("a", &a)
r.Set("proto", proto)
_, err := r.RunString(`
"use strict";
var protoproto = {};
Object.defineProperty(protoproto, "3", {
value: 42
});
Object.setPrototypeOf(proto, protoproto);
Object.setPrototypeOf(a, proto);
if (a.hasOwnProperty("3")) {
throw new Error("a.hasOwnProperty(\"3\")");
}
if (a[3] !== null) {
throw new Error("a[3]="+a[3]);
}
a[3] = null;
if (a[3] !== null) {
throw new Error("a[3]=" + a[3]);
}
`)
if err != nil {
t.Fatal(err)
}
}
func TestGoSliceReflectDelete(t *testing.T) {
r := New()
a := []*Object{{}, nil, {}}
r.Set("a", a)
v, err := r.RunString(`
delete a[0] && delete a[1] && delete a[3];
`)
if err != nil {
t.Fatal(err)
}
if v != valueTrue {
t.Fatalf("not true: %v", v)
}
}
func TestGoSliceReflectPop(t *testing.T) {
r := New()
a := []string{"1", "", "3"}
r.Set("a", &a)
v, err := r.RunString(`
a.pop()
`)
if err != nil {
t.Fatal(err)
}
if !v.SameAs(asciiString("3")) {
t.Fatal(v)
}
}
func TestGoSliceReflectPopNoPtr(t *testing.T) {
r := New()
a := []string{"1", "", "3"}
r.Set("a", a)
v, err := r.RunString(`
a.pop()
`)
if err != nil {
t.Fatal(err)
}
if !v.SameAs(asciiString("3")) {
t.Fatal(v)
}
}
func TestGoSliceReflectLengthProperty(t *testing.T) {
vm := New()
vm.Set("s", []int{2, 3, 4})
_, err := vm.RunString(`
if (!s.hasOwnProperty("length")) {
throw new Error("hasOwnProperty() returned false");
}
let desc = Object.getOwnPropertyDescriptor(s, "length");
if (desc.value !== 3 || !desc.writable || desc.enumerable || desc.configurable) {
throw new Error("incorrect property descriptor: " + JSON.stringify(desc));
}
`)
if err != nil {
t.Fatal(err)
}
}
type testCustomSliceWithMethods []int
func (a testCustomSliceWithMethods) Method() bool {
return true
}
func TestGoSliceReflectMethods(t *testing.T) {
vm := New()
vm.Set("s", testCustomSliceWithMethods{1, 2, 3})
_, err := vm.RunString(`
if (!s.hasOwnProperty("Method")) {
throw new Error("hasOwnProperty() returned false");
}
let desc = Object.getOwnPropertyDescriptor(s, "Method");
if (desc.value() !== true || desc.writable || !desc.enumerable || desc.configurable) {
throw new Error("incorrect property descriptor: " + JSON.stringify(desc));
}
`)
if err != nil {
t.Fatal(err)
}
}
func TestGoSliceReflectExportAfterGrow(t *testing.T) {
vm := New()
vm.Set("a", []int{1})
v, err := vm.RunString(`
a.push(2);
a;
`)
if err != nil {
t.Fatal(err)
}
exp := v.Export()
if a, ok := exp.([]int); ok {
if len(a) != 2 || a[0] != 1 || a[1] != 2 {
t.Fatal(a)
}
} else {
t.Fatalf("Wrong type: %T", exp)
}
}
func TestGoSliceReflectSort(t *testing.T) {
vm := New()
type Thing struct{ Name string }
vm.Set("v", []*Thing{
{Name: "log"},
{Name: "etc"},
{Name: "test"},
{Name: "bin"},
})
ret, err := vm.RunString(`
//v.sort((a, b) => a.Name.localeCompare(b.Name)).map((x) => x.Name);
const tmp = v[0];
v[0] = v[1];
v[1] = tmp;
v[0].Name + v[1].Name;
`)
if err != nil {
panic(err)
}
t.Log(ret.Export())
}
func TestGoSliceReflect111(t *testing.T) {
vm := New()
vm.Set("v", []int32{
1, 2,
})
ret, err := vm.RunString(`
//v.sort((a, b) => a.Name.localeCompare(b.Name)).map((x) => x.Name);
const tmp = v[0];
v[0] = v[1];
v[1] = tmp;
"" + v[0] + v[1];
`)
if err != nil {
panic(err)
}
t.Log(ret.Export())
a := []int{1, 2}
a0 := reflect.ValueOf(a).Index(0)
a0.Set(reflect.ValueOf(0))
t.Log(a[0])
}
func TestGoSliceReflectExternalLenUpdate(t *testing.T) {
data := &[]int{1}
vm := New()
vm.Set("data", data)
vm.Set("append", func(a *[]int, v int) {
if a != data {
panic(vm.NewTypeError("a != data"))
}
*a = append(*a, v)
})
vm.testScriptWithTestLib(`
assert.sameValue(data.length, 1);
// modify with js
data.push(1);
assert.sameValue(data.length, 2);
// modify with go
append(data, 2);
assert.sameValue(data.length, 3);
`, _undefined, t)
}
func BenchmarkGoSliceReflectSet(b *testing.B) {
vm := New()
a := vm.ToValue([]int{1}).(*Object)
b.ResetTimer()
v := intToValue(0)
for i := 0; i < b.N; i++ {
a.Set("0", v)
}
}