1459 lines
33 KiB
Go
1459 lines
33 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package reflect_test
|
|
|
|
import (
|
|
"container/vector"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
. "reflect"
|
|
"testing"
|
|
"unsafe"
|
|
)
|
|
|
|
type integer int
|
|
type T struct {
|
|
a int
|
|
b float64
|
|
c string
|
|
d *int
|
|
}
|
|
|
|
type pair struct {
|
|
i interface{}
|
|
s string
|
|
}
|
|
|
|
func isDigit(c uint8) bool { return '0' <= c && c <= '9' }
|
|
|
|
func assert(t *testing.T, s, want string) {
|
|
if s != want {
|
|
t.Errorf("have %#q want %#q", s, want)
|
|
}
|
|
}
|
|
|
|
func typestring(i interface{}) string { return Typeof(i).String() }
|
|
|
|
var typeTests = []pair{
|
|
{struct{ x int }{}, "int"},
|
|
{struct{ x int8 }{}, "int8"},
|
|
{struct{ x int16 }{}, "int16"},
|
|
{struct{ x int32 }{}, "int32"},
|
|
{struct{ x int64 }{}, "int64"},
|
|
{struct{ x uint }{}, "uint"},
|
|
{struct{ x uint8 }{}, "uint8"},
|
|
{struct{ x uint16 }{}, "uint16"},
|
|
{struct{ x uint32 }{}, "uint32"},
|
|
{struct{ x uint64 }{}, "uint64"},
|
|
{struct{ x float32 }{}, "float32"},
|
|
{struct{ x float64 }{}, "float64"},
|
|
{struct{ x int8 }{}, "int8"},
|
|
{struct{ x (**int8) }{}, "**int8"},
|
|
{struct{ x (**integer) }{}, "**reflect_test.integer"},
|
|
{struct{ x ([32]int32) }{}, "[32]int32"},
|
|
{struct{ x ([]int8) }{}, "[]int8"},
|
|
{struct{ x (map[string]int32) }{}, "map[string] int32"},
|
|
{struct{ x (chan<- string) }{}, "chan<- string"},
|
|
{struct {
|
|
x struct {
|
|
c chan *int32
|
|
d float32
|
|
}
|
|
}{},
|
|
"struct { c chan *int32; d float32 }",
|
|
},
|
|
{struct{ x (func(a int8, b int32)) }{}, "func(int8, int32)"},
|
|
{struct {
|
|
x struct {
|
|
c func(chan *integer, *int8)
|
|
}
|
|
}{},
|
|
"struct { c func(chan *reflect_test.integer, *int8) }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8
|
|
b int32
|
|
}
|
|
}{},
|
|
"struct { a int8; b int32 }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8
|
|
b int8
|
|
c int32
|
|
}
|
|
}{},
|
|
"struct { a int8; b int8; c int32 }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8
|
|
b int8
|
|
c int8
|
|
d int32
|
|
}
|
|
}{},
|
|
"struct { a int8; b int8; c int8; d int32 }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8
|
|
b int8
|
|
c int8
|
|
d int8
|
|
e int32
|
|
}
|
|
}{},
|
|
"struct { a int8; b int8; c int8; d int8; e int32 }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8
|
|
b int8
|
|
c int8
|
|
d int8
|
|
e int8
|
|
f int32
|
|
}
|
|
}{},
|
|
"struct { a int8; b int8; c int8; d int8; e int8; f int32 }",
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8 "hi there"
|
|
}
|
|
}{},
|
|
`struct { a int8 "hi there" }`,
|
|
},
|
|
{struct {
|
|
x struct {
|
|
a int8 "hi \x00there\t\n\"\\"
|
|
}
|
|
}{},
|
|
`struct { a int8 "hi \x00there\t\n\"\\" }`,
|
|
},
|
|
{struct {
|
|
x struct {
|
|
f func(args ...int)
|
|
}
|
|
}{},
|
|
"struct { f func(...int) }",
|
|
},
|
|
{struct {
|
|
x (interface {
|
|
a(func(func(int) int) func(func(int)) int)
|
|
b()
|
|
})
|
|
}{},
|
|
"interface { a(func(func(int) int) func(func(int)) int); b() }",
|
|
},
|
|
}
|
|
|
|
var valueTests = []pair{
|
|
{(int8)(0), "8"},
|
|
{(int16)(0), "16"},
|
|
{(int32)(0), "32"},
|
|
{(int64)(0), "64"},
|
|
{(uint8)(0), "8"},
|
|
{(uint16)(0), "16"},
|
|
{(uint32)(0), "32"},
|
|
{(uint64)(0), "64"},
|
|
{(float32)(0), "256.25"},
|
|
{(float64)(0), "512.125"},
|
|
{(string)(""), "stringy cheese"},
|
|
{(bool)(false), "true"},
|
|
{(*int8)(nil), "*int8(0)"},
|
|
{(**int8)(nil), "**int8(0)"},
|
|
{[5]int32{}, "[5]int32{0, 0, 0, 0, 0}"},
|
|
{(**integer)(nil), "**reflect_test.integer(0)"},
|
|
{(map[string]int32)(nil), "map[string] int32{<can't iterate on maps>}"},
|
|
{(chan<- string)(nil), "chan<- string"},
|
|
{struct {
|
|
c chan *int32
|
|
d float32
|
|
}{},
|
|
"struct { c chan *int32; d float32 }{chan *int32, 0}",
|
|
},
|
|
{(func(a int8, b int32))(nil), "func(int8, int32)(0)"},
|
|
{struct{ c func(chan *integer, *int8) }{},
|
|
"struct { c func(chan *reflect_test.integer, *int8) }{func(chan *reflect_test.integer, *int8)(0)}",
|
|
},
|
|
{struct {
|
|
a int8
|
|
b int32
|
|
}{},
|
|
"struct { a int8; b int32 }{0, 0}",
|
|
},
|
|
{struct {
|
|
a int8
|
|
b int8
|
|
c int32
|
|
}{},
|
|
"struct { a int8; b int8; c int32 }{0, 0, 0}",
|
|
},
|
|
}
|
|
|
|
func testType(t *testing.T, i int, typ Type, want string) {
|
|
s := typ.String()
|
|
if s != want {
|
|
t.Errorf("#%d: have %#q, want %#q", i, s, want)
|
|
}
|
|
}
|
|
|
|
func TestTypes(t *testing.T) {
|
|
for i, tt := range typeTests {
|
|
testType(t, i, NewValue(tt.i).(*StructValue).Field(0).Type(), tt.s)
|
|
}
|
|
}
|
|
|
|
func TestSet(t *testing.T) {
|
|
for i, tt := range valueTests {
|
|
v := NewValue(tt.i)
|
|
switch v := v.(type) {
|
|
case *IntValue:
|
|
switch v.Type().Kind() {
|
|
case Int:
|
|
v.Set(132)
|
|
case Int8:
|
|
v.Set(8)
|
|
case Int16:
|
|
v.Set(16)
|
|
case Int32:
|
|
v.Set(32)
|
|
case Int64:
|
|
v.Set(64)
|
|
}
|
|
case *UintValue:
|
|
switch v.Type().Kind() {
|
|
case Uint:
|
|
v.Set(132)
|
|
case Uint8:
|
|
v.Set(8)
|
|
case Uint16:
|
|
v.Set(16)
|
|
case Uint32:
|
|
v.Set(32)
|
|
case Uint64:
|
|
v.Set(64)
|
|
}
|
|
case *FloatValue:
|
|
switch v.Type().Kind() {
|
|
case Float32:
|
|
v.Set(256.25)
|
|
case Float64:
|
|
v.Set(512.125)
|
|
}
|
|
case *ComplexValue:
|
|
switch v.Type().Kind() {
|
|
case Complex64:
|
|
v.Set(532.125 + 10i)
|
|
case Complex128:
|
|
v.Set(564.25 + 1i)
|
|
}
|
|
case *StringValue:
|
|
v.Set("stringy cheese")
|
|
case *BoolValue:
|
|
v.Set(true)
|
|
}
|
|
s := valueToString(v)
|
|
if s != tt.s {
|
|
t.Errorf("#%d: have %#q, want %#q", i, s, tt.s)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSetValue(t *testing.T) {
|
|
for i, tt := range valueTests {
|
|
v := NewValue(tt.i)
|
|
switch v := v.(type) {
|
|
case *IntValue:
|
|
switch v.Type().Kind() {
|
|
case Int:
|
|
v.SetValue(NewValue(int(132)))
|
|
case Int8:
|
|
v.SetValue(NewValue(int8(8)))
|
|
case Int16:
|
|
v.SetValue(NewValue(int16(16)))
|
|
case Int32:
|
|
v.SetValue(NewValue(int32(32)))
|
|
case Int64:
|
|
v.SetValue(NewValue(int64(64)))
|
|
}
|
|
case *UintValue:
|
|
switch v.Type().Kind() {
|
|
case Uint:
|
|
v.SetValue(NewValue(uint(132)))
|
|
case Uint8:
|
|
v.SetValue(NewValue(uint8(8)))
|
|
case Uint16:
|
|
v.SetValue(NewValue(uint16(16)))
|
|
case Uint32:
|
|
v.SetValue(NewValue(uint32(32)))
|
|
case Uint64:
|
|
v.SetValue(NewValue(uint64(64)))
|
|
}
|
|
case *FloatValue:
|
|
switch v.Type().Kind() {
|
|
case Float32:
|
|
v.SetValue(NewValue(float32(256.25)))
|
|
case Float64:
|
|
v.SetValue(NewValue(512.125))
|
|
}
|
|
case *ComplexValue:
|
|
switch v.Type().Kind() {
|
|
case Complex64:
|
|
v.SetValue(NewValue(complex64(532.125 + 10i)))
|
|
case Complex128:
|
|
v.SetValue(NewValue(complex128(564.25 + 1i)))
|
|
}
|
|
|
|
case *StringValue:
|
|
v.SetValue(NewValue("stringy cheese"))
|
|
case *BoolValue:
|
|
v.SetValue(NewValue(true))
|
|
}
|
|
s := valueToString(v)
|
|
if s != tt.s {
|
|
t.Errorf("#%d: have %#q, want %#q", i, s, tt.s)
|
|
}
|
|
}
|
|
}
|
|
|
|
var _i = 7
|
|
|
|
var valueToStringTests = []pair{
|
|
{123, "123"},
|
|
{123.5, "123.5"},
|
|
{byte(123), "123"},
|
|
{"abc", "abc"},
|
|
{T{123, 456.75, "hello", &_i}, "reflect_test.T{123, 456.75, hello, *int(&7)}"},
|
|
{new(chan *T), "*chan *reflect_test.T(&chan *reflect_test.T)"},
|
|
{[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, "[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}"},
|
|
{&[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, "*[10]int(&[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})"},
|
|
{[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, "[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}"},
|
|
{&[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, "*[]int(&[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})"},
|
|
}
|
|
|
|
func TestValueToString(t *testing.T) {
|
|
for i, test := range valueToStringTests {
|
|
s := valueToString(NewValue(test.i))
|
|
if s != test.s {
|
|
t.Errorf("#%d: have %#q, want %#q", i, s, test.s)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestArrayElemSet(t *testing.T) {
|
|
v := NewValue([10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
|
|
v.(*ArrayValue).Elem(4).(*IntValue).Set(123)
|
|
s := valueToString(v)
|
|
const want = "[10]int{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}"
|
|
if s != want {
|
|
t.Errorf("[10]int: have %#q want %#q", s, want)
|
|
}
|
|
|
|
v = NewValue([]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})
|
|
v.(*SliceValue).Elem(4).(*IntValue).Set(123)
|
|
s = valueToString(v)
|
|
const want1 = "[]int{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}"
|
|
if s != want1 {
|
|
t.Errorf("[]int: have %#q want %#q", s, want1)
|
|
}
|
|
}
|
|
|
|
func TestPtrPointTo(t *testing.T) {
|
|
var ip *int32
|
|
var i int32 = 1234
|
|
vip := NewValue(&ip)
|
|
vi := NewValue(i)
|
|
vip.(*PtrValue).Elem().(*PtrValue).PointTo(vi)
|
|
if *ip != 1234 {
|
|
t.Errorf("got %d, want 1234", *ip)
|
|
}
|
|
|
|
ip = nil
|
|
vp := NewValue(ip).(*PtrValue)
|
|
vp.PointTo(vp.Elem())
|
|
if ip != nil {
|
|
t.Errorf("got non-nil (%p), want nil", ip)
|
|
}
|
|
}
|
|
|
|
func TestPtrSetNil(t *testing.T) {
|
|
var i int32 = 1234
|
|
ip := &i
|
|
vip := NewValue(&ip)
|
|
vip.(*PtrValue).Elem().(*PtrValue).Set(nil)
|
|
if ip != nil {
|
|
t.Errorf("got non-nil (%d), want nil", *ip)
|
|
}
|
|
}
|
|
|
|
func TestMapSetNil(t *testing.T) {
|
|
m := make(map[string]int)
|
|
vm := NewValue(&m)
|
|
vm.(*PtrValue).Elem().(*MapValue).Set(nil)
|
|
if m != nil {
|
|
t.Errorf("got non-nil (%p), want nil", m)
|
|
}
|
|
}
|
|
|
|
|
|
func TestAll(t *testing.T) {
|
|
testType(t, 1, Typeof((int8)(0)), "int8")
|
|
testType(t, 2, Typeof((*int8)(nil)).(*PtrType).Elem(), "int8")
|
|
|
|
typ := Typeof((*struct {
|
|
c chan *int32
|
|
d float32
|
|
})(nil))
|
|
testType(t, 3, typ, "*struct { c chan *int32; d float32 }")
|
|
etyp := typ.(*PtrType).Elem()
|
|
testType(t, 4, etyp, "struct { c chan *int32; d float32 }")
|
|
styp := etyp.(*StructType)
|
|
f := styp.Field(0)
|
|
testType(t, 5, f.Type, "chan *int32")
|
|
|
|
f, present := styp.FieldByName("d")
|
|
if !present {
|
|
t.Errorf("FieldByName says present field is absent")
|
|
}
|
|
testType(t, 6, f.Type, "float32")
|
|
|
|
f, present = styp.FieldByName("absent")
|
|
if present {
|
|
t.Errorf("FieldByName says absent field is present")
|
|
}
|
|
|
|
typ = Typeof([32]int32{})
|
|
testType(t, 7, typ, "[32]int32")
|
|
testType(t, 8, typ.(*ArrayType).Elem(), "int32")
|
|
|
|
typ = Typeof((map[string]*int32)(nil))
|
|
testType(t, 9, typ, "map[string] *int32")
|
|
mtyp := typ.(*MapType)
|
|
testType(t, 10, mtyp.Key(), "string")
|
|
testType(t, 11, mtyp.Elem(), "*int32")
|
|
|
|
typ = Typeof((chan<- string)(nil))
|
|
testType(t, 12, typ, "chan<- string")
|
|
testType(t, 13, typ.(*ChanType).Elem(), "string")
|
|
|
|
// make sure tag strings are not part of element type
|
|
typ = Typeof(struct {
|
|
d []uint32 "TAG"
|
|
}{}).(*StructType).Field(0).Type
|
|
testType(t, 14, typ, "[]uint32")
|
|
}
|
|
|
|
func TestInterfaceGet(t *testing.T) {
|
|
var inter struct {
|
|
e interface{}
|
|
}
|
|
inter.e = 123.456
|
|
v1 := NewValue(&inter)
|
|
v2 := v1.(*PtrValue).Elem().(*StructValue).Field(0)
|
|
assert(t, v2.Type().String(), "interface { }")
|
|
i2 := v2.(*InterfaceValue).Interface()
|
|
v3 := NewValue(i2)
|
|
assert(t, v3.Type().String(), "float64")
|
|
}
|
|
|
|
func TestInterfaceValue(t *testing.T) {
|
|
var inter struct {
|
|
e interface{}
|
|
}
|
|
inter.e = 123.456
|
|
v1 := NewValue(&inter)
|
|
v2 := v1.(*PtrValue).Elem().(*StructValue).Field(0)
|
|
assert(t, v2.Type().String(), "interface { }")
|
|
v3 := v2.(*InterfaceValue).Elem()
|
|
assert(t, v3.Type().String(), "float64")
|
|
|
|
i3 := v2.Interface()
|
|
if _, ok := i3.(float64); !ok {
|
|
t.Error("v2.Interface() did not return float64, got ", Typeof(i3))
|
|
}
|
|
}
|
|
|
|
func TestFunctionValue(t *testing.T) {
|
|
v := NewValue(func() {})
|
|
if v.Interface() != v.Interface() {
|
|
t.Fatalf("TestFunction != itself")
|
|
}
|
|
assert(t, v.Type().String(), "func()")
|
|
}
|
|
|
|
var appendTests = []struct {
|
|
orig, extra []int
|
|
}{
|
|
{make([]int, 2, 4), []int{22}},
|
|
{make([]int, 2, 4), []int{22, 33, 44}},
|
|
}
|
|
|
|
func TestAppend(t *testing.T) {
|
|
for i, test := range appendTests {
|
|
origLen, extraLen := len(test.orig), len(test.extra)
|
|
want := append(test.orig, test.extra...)
|
|
// Convert extra from []int to []Value.
|
|
e0 := make([]Value, len(test.extra))
|
|
for j, e := range test.extra {
|
|
e0[j] = NewValue(e)
|
|
}
|
|
// Convert extra from []int to *SliceValue.
|
|
e1 := NewValue(test.extra).(*SliceValue)
|
|
// Test Append.
|
|
a0 := NewValue(test.orig).(*SliceValue)
|
|
have0 := Append(a0, e0...).Interface().([]int)
|
|
if !DeepEqual(have0, want) {
|
|
t.Errorf("Append #%d: have %v, want %v", i, have0, want)
|
|
}
|
|
// Check that the orig and extra slices were not modified.
|
|
if len(test.orig) != origLen {
|
|
t.Errorf("Append #%d origLen: have %v, want %v", i, len(test.orig), origLen)
|
|
}
|
|
if len(test.extra) != extraLen {
|
|
t.Errorf("Append #%d extraLen: have %v, want %v", i, len(test.extra), extraLen)
|
|
}
|
|
// Test AppendSlice.
|
|
a1 := NewValue(test.orig).(*SliceValue)
|
|
have1 := AppendSlice(a1, e1).Interface().([]int)
|
|
if !DeepEqual(have1, want) {
|
|
t.Errorf("AppendSlice #%d: have %v, want %v", i, have1, want)
|
|
}
|
|
// Check that the orig and extra slices were not modified.
|
|
if len(test.orig) != origLen {
|
|
t.Errorf("AppendSlice #%d origLen: have %v, want %v", i, len(test.orig), origLen)
|
|
}
|
|
if len(test.extra) != extraLen {
|
|
t.Errorf("AppendSlice #%d extraLen: have %v, want %v", i, len(test.extra), extraLen)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCopy(t *testing.T) {
|
|
a := []int{1, 2, 3, 4, 10, 9, 8, 7}
|
|
b := []int{11, 22, 33, 44, 1010, 99, 88, 77, 66, 55, 44}
|
|
c := []int{11, 22, 33, 44, 1010, 99, 88, 77, 66, 55, 44}
|
|
for i := 0; i < len(b); i++ {
|
|
if b[i] != c[i] {
|
|
t.Fatalf("b != c before test")
|
|
}
|
|
}
|
|
aa := NewValue(a).(*SliceValue)
|
|
ab := NewValue(b).(*SliceValue)
|
|
for tocopy := 1; tocopy <= 7; tocopy++ {
|
|
aa.SetLen(tocopy)
|
|
Copy(ab, aa)
|
|
aa.SetLen(8)
|
|
for i := 0; i < tocopy; i++ {
|
|
if a[i] != b[i] {
|
|
t.Errorf("(i) tocopy=%d a[%d]=%d, b[%d]=%d",
|
|
tocopy, i, a[i], i, b[i])
|
|
}
|
|
}
|
|
for i := tocopy; i < len(b); i++ {
|
|
if b[i] != c[i] {
|
|
if i < len(a) {
|
|
t.Errorf("(ii) tocopy=%d a[%d]=%d, b[%d]=%d, c[%d]=%d",
|
|
tocopy, i, a[i], i, b[i], i, c[i])
|
|
} else {
|
|
t.Errorf("(iii) tocopy=%d b[%d]=%d, c[%d]=%d",
|
|
tocopy, i, b[i], i, c[i])
|
|
}
|
|
} else {
|
|
t.Logf("tocopy=%d elem %d is okay\n", tocopy, i)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestBigUnnamedStruct(t *testing.T) {
|
|
b := struct{ a, b, c, d int64 }{1, 2, 3, 4}
|
|
v := NewValue(b)
|
|
b1 := v.Interface().(struct {
|
|
a, b, c, d int64
|
|
})
|
|
if b1.a != b.a || b1.b != b.b || b1.c != b.c || b1.d != b.d {
|
|
t.Errorf("NewValue(%v).Interface().(*Big) = %v", b, b1)
|
|
}
|
|
}
|
|
|
|
type big struct {
|
|
a, b, c, d, e int64
|
|
}
|
|
|
|
func TestBigStruct(t *testing.T) {
|
|
b := big{1, 2, 3, 4, 5}
|
|
v := NewValue(b)
|
|
b1 := v.Interface().(big)
|
|
if b1.a != b.a || b1.b != b.b || b1.c != b.c || b1.d != b.d || b1.e != b.e {
|
|
t.Errorf("NewValue(%v).Interface().(big) = %v", b, b1)
|
|
}
|
|
}
|
|
|
|
type Basic struct {
|
|
x int
|
|
y float32
|
|
}
|
|
|
|
type NotBasic Basic
|
|
|
|
type DeepEqualTest struct {
|
|
a, b interface{}
|
|
eq bool
|
|
}
|
|
|
|
var deepEqualTests = []DeepEqualTest{
|
|
// Equalities
|
|
{1, 1, true},
|
|
{int32(1), int32(1), true},
|
|
{0.5, 0.5, true},
|
|
{float32(0.5), float32(0.5), true},
|
|
{"hello", "hello", true},
|
|
{make([]int, 10), make([]int, 10), true},
|
|
{&[3]int{1, 2, 3}, &[3]int{1, 2, 3}, true},
|
|
{Basic{1, 0.5}, Basic{1, 0.5}, true},
|
|
{os.Error(nil), os.Error(nil), true},
|
|
{map[int]string{1: "one", 2: "two"}, map[int]string{2: "two", 1: "one"}, true},
|
|
|
|
// Inequalities
|
|
{1, 2, false},
|
|
{int32(1), int32(2), false},
|
|
{0.5, 0.6, false},
|
|
{float32(0.5), float32(0.6), false},
|
|
{"hello", "hey", false},
|
|
{make([]int, 10), make([]int, 11), false},
|
|
{&[3]int{1, 2, 3}, &[3]int{1, 2, 4}, false},
|
|
{Basic{1, 0.5}, Basic{1, 0.6}, false},
|
|
{Basic{1, 0}, Basic{2, 0}, false},
|
|
{map[int]string{1: "one", 3: "two"}, map[int]string{2: "two", 1: "one"}, false},
|
|
{map[int]string{1: "one", 2: "txo"}, map[int]string{2: "two", 1: "one"}, false},
|
|
{map[int]string{1: "one"}, map[int]string{2: "two", 1: "one"}, false},
|
|
{map[int]string{2: "two", 1: "one"}, map[int]string{1: "one"}, false},
|
|
{nil, 1, false},
|
|
{1, nil, false},
|
|
|
|
// Mismatched types
|
|
{1, 1.0, false},
|
|
{int32(1), int64(1), false},
|
|
{0.5, "hello", false},
|
|
{[]int{1, 2, 3}, [3]int{1, 2, 3}, false},
|
|
{&[3]interface{}{1, 2, 4}, &[3]interface{}{1, 2, "s"}, false},
|
|
{Basic{1, 0.5}, NotBasic{1, 0.5}, false},
|
|
{map[uint]string{1: "one", 2: "two"}, map[int]string{2: "two", 1: "one"}, false},
|
|
}
|
|
|
|
func TestDeepEqual(t *testing.T) {
|
|
for _, test := range deepEqualTests {
|
|
if r := DeepEqual(test.a, test.b); r != test.eq {
|
|
t.Errorf("DeepEqual(%v, %v) = %v, want %v", test.a, test.b, r, test.eq)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestTypeof(t *testing.T) {
|
|
for _, test := range deepEqualTests {
|
|
v := NewValue(test.a)
|
|
if v == nil {
|
|
continue
|
|
}
|
|
typ := Typeof(test.a)
|
|
if typ != v.Type() {
|
|
t.Errorf("Typeof(%v) = %v, but NewValue(%v).Type() = %v", test.a, typ, test.a, v.Type())
|
|
}
|
|
}
|
|
}
|
|
|
|
type Recursive struct {
|
|
x int
|
|
r *Recursive
|
|
}
|
|
|
|
func TestDeepEqualRecursiveStruct(t *testing.T) {
|
|
a, b := new(Recursive), new(Recursive)
|
|
*a = Recursive{12, a}
|
|
*b = Recursive{12, b}
|
|
if !DeepEqual(a, b) {
|
|
t.Error("DeepEqual(recursive same) = false, want true")
|
|
}
|
|
}
|
|
|
|
type _Complex struct {
|
|
a int
|
|
b [3]*_Complex
|
|
c *string
|
|
d map[float64]float64
|
|
}
|
|
|
|
func TestDeepEqualComplexStruct(t *testing.T) {
|
|
m := make(map[float64]float64)
|
|
stra, strb := "hello", "hello"
|
|
a, b := new(_Complex), new(_Complex)
|
|
*a = _Complex{5, [3]*_Complex{a, b, a}, &stra, m}
|
|
*b = _Complex{5, [3]*_Complex{b, a, a}, &strb, m}
|
|
if !DeepEqual(a, b) {
|
|
t.Error("DeepEqual(complex same) = false, want true")
|
|
}
|
|
}
|
|
|
|
func TestDeepEqualComplexStructInequality(t *testing.T) {
|
|
m := make(map[float64]float64)
|
|
stra, strb := "hello", "helloo" // Difference is here
|
|
a, b := new(_Complex), new(_Complex)
|
|
*a = _Complex{5, [3]*_Complex{a, b, a}, &stra, m}
|
|
*b = _Complex{5, [3]*_Complex{b, a, a}, &strb, m}
|
|
if DeepEqual(a, b) {
|
|
t.Error("DeepEqual(complex different) = true, want false")
|
|
}
|
|
}
|
|
|
|
|
|
func check2ndField(x interface{}, offs uintptr, t *testing.T) {
|
|
s := NewValue(x).(*StructValue)
|
|
f := s.Type().(*StructType).Field(1)
|
|
if f.Offset != offs {
|
|
t.Error("mismatched offsets in structure alignment:", f.Offset, offs)
|
|
}
|
|
}
|
|
|
|
// Check that structure alignment & offsets viewed through reflect agree with those
|
|
// from the compiler itself.
|
|
func TestAlignment(t *testing.T) {
|
|
type T1inner struct {
|
|
a int
|
|
}
|
|
type T1 struct {
|
|
T1inner
|
|
f int
|
|
}
|
|
type T2inner struct {
|
|
a, b int
|
|
}
|
|
type T2 struct {
|
|
T2inner
|
|
f int
|
|
}
|
|
|
|
x := T1{T1inner{2}, 17}
|
|
check2ndField(x, uintptr(unsafe.Pointer(&x.f))-uintptr(unsafe.Pointer(&x)), t)
|
|
|
|
x1 := T2{T2inner{2, 3}, 17}
|
|
check2ndField(x1, uintptr(unsafe.Pointer(&x1.f))-uintptr(unsafe.Pointer(&x1)), t)
|
|
}
|
|
|
|
type IsNiller interface {
|
|
IsNil() bool
|
|
}
|
|
|
|
func Nil(a interface{}, t *testing.T) {
|
|
n := NewValue(a).(*StructValue).Field(0).(IsNiller)
|
|
if !n.IsNil() {
|
|
t.Errorf("%v should be nil", a)
|
|
}
|
|
}
|
|
|
|
func NotNil(a interface{}, t *testing.T) {
|
|
n := NewValue(a).(*StructValue).Field(0).(IsNiller)
|
|
if n.IsNil() {
|
|
t.Errorf("value of type %v should not be nil", NewValue(a).Type().String())
|
|
}
|
|
}
|
|
|
|
func TestIsNil(t *testing.T) {
|
|
// These do not implement IsNil
|
|
doNotNil := []interface{}{int(0), float32(0), struct{ a int }{}}
|
|
for _, ts := range doNotNil {
|
|
ty := Typeof(ts)
|
|
v := MakeZero(ty)
|
|
if _, ok := v.(IsNiller); ok {
|
|
t.Errorf("%s is nilable; should not be", ts)
|
|
}
|
|
}
|
|
|
|
// These do implement IsNil.
|
|
// Wrap in extra struct to hide interface type.
|
|
doNil := []interface{}{
|
|
struct{ x *int }{},
|
|
struct{ x interface{} }{},
|
|
struct{ x map[string]int }{},
|
|
struct{ x func() bool }{},
|
|
struct{ x chan int }{},
|
|
struct{ x []string }{},
|
|
}
|
|
for _, ts := range doNil {
|
|
ty := Typeof(ts).(*StructType).Field(0).Type
|
|
v := MakeZero(ty)
|
|
if _, ok := v.(IsNiller); !ok {
|
|
t.Errorf("%s %T is not nilable; should be", ts, v)
|
|
}
|
|
}
|
|
|
|
// Check the implementations
|
|
var pi struct {
|
|
x *int
|
|
}
|
|
Nil(pi, t)
|
|
pi.x = new(int)
|
|
NotNil(pi, t)
|
|
|
|
var si struct {
|
|
x []int
|
|
}
|
|
Nil(si, t)
|
|
si.x = make([]int, 10)
|
|
NotNil(si, t)
|
|
|
|
var ci struct {
|
|
x chan int
|
|
}
|
|
Nil(ci, t)
|
|
ci.x = make(chan int)
|
|
NotNil(ci, t)
|
|
|
|
var mi struct {
|
|
x map[int]int
|
|
}
|
|
Nil(mi, t)
|
|
mi.x = make(map[int]int)
|
|
NotNil(mi, t)
|
|
|
|
var ii struct {
|
|
x interface{}
|
|
}
|
|
Nil(ii, t)
|
|
ii.x = 2
|
|
NotNil(ii, t)
|
|
|
|
var fi struct {
|
|
x func(t *testing.T)
|
|
}
|
|
Nil(fi, t)
|
|
fi.x = TestIsNil
|
|
NotNil(fi, t)
|
|
}
|
|
|
|
func TestInterfaceExtraction(t *testing.T) {
|
|
var s struct {
|
|
w io.Writer
|
|
}
|
|
|
|
s.w = os.Stdout
|
|
v := Indirect(NewValue(&s)).(*StructValue).Field(0).Interface()
|
|
if v != s.w.(interface{}) {
|
|
t.Error("Interface() on interface: ", v, s.w)
|
|
}
|
|
}
|
|
|
|
func TestInterfaceEditing(t *testing.T) {
|
|
// strings are bigger than one word,
|
|
// so the interface conversion allocates
|
|
// memory to hold a string and puts that
|
|
// pointer in the interface.
|
|
var i interface{} = "hello"
|
|
|
|
// if i pass the interface value by value
|
|
// to NewValue, i should get a fresh copy
|
|
// of the value.
|
|
v := NewValue(i)
|
|
|
|
// and setting that copy to "bye" should
|
|
// not change the value stored in i.
|
|
v.(*StringValue).Set("bye")
|
|
if i.(string) != "hello" {
|
|
t.Errorf(`Set("bye") changed i to %s`, i.(string))
|
|
}
|
|
|
|
// the same should be true of smaller items.
|
|
i = 123
|
|
v = NewValue(i)
|
|
v.(*IntValue).Set(234)
|
|
if i.(int) != 123 {
|
|
t.Errorf("Set(234) changed i to %d", i.(int))
|
|
}
|
|
}
|
|
|
|
func TestNilPtrValueSub(t *testing.T) {
|
|
var pi *int
|
|
if pv := NewValue(pi).(*PtrValue); pv.Elem() != nil {
|
|
t.Error("NewValue((*int)(nil)).(*PtrValue).Elem() != nil")
|
|
}
|
|
}
|
|
|
|
func TestMap(t *testing.T) {
|
|
m := map[string]int{"a": 1, "b": 2}
|
|
mv := NewValue(m).(*MapValue)
|
|
if n := mv.Len(); n != len(m) {
|
|
t.Errorf("Len = %d, want %d", n, len(m))
|
|
}
|
|
keys := mv.Keys()
|
|
i := 0
|
|
newmap := MakeMap(mv.Type().(*MapType))
|
|
for k, v := range m {
|
|
// Check that returned Keys match keys in range.
|
|
// These aren't required to be in the same order,
|
|
// but they are in this implementation, which makes
|
|
// the test easier.
|
|
if i >= len(keys) {
|
|
t.Errorf("Missing key #%d %q", i, k)
|
|
} else if kv := keys[i].(*StringValue); kv.Get() != k {
|
|
t.Errorf("Keys[%d] = %q, want %q", i, kv.Get(), k)
|
|
}
|
|
i++
|
|
|
|
// Check that value lookup is correct.
|
|
vv := mv.Elem(NewValue(k))
|
|
if vi := vv.(*IntValue).Get(); vi != int64(v) {
|
|
t.Errorf("Key %q: have value %d, want %d", k, vi, v)
|
|
}
|
|
|
|
// Copy into new map.
|
|
newmap.SetElem(NewValue(k), NewValue(v))
|
|
}
|
|
vv := mv.Elem(NewValue("not-present"))
|
|
if vv != nil {
|
|
t.Errorf("Invalid key: got non-nil value %s", valueToString(vv))
|
|
}
|
|
|
|
newm := newmap.Interface().(map[string]int)
|
|
if len(newm) != len(m) {
|
|
t.Errorf("length after copy: newm=%d, m=%d", newm, m)
|
|
}
|
|
|
|
for k, v := range newm {
|
|
mv, ok := m[k]
|
|
if mv != v {
|
|
t.Errorf("newm[%q] = %d, but m[%q] = %d, %v", k, v, k, mv, ok)
|
|
}
|
|
}
|
|
|
|
newmap.SetElem(NewValue("a"), nil)
|
|
v, ok := newm["a"]
|
|
if ok {
|
|
t.Errorf("newm[\"a\"] = %d after delete", v)
|
|
}
|
|
|
|
mv = NewValue(&m).(*PtrValue).Elem().(*MapValue)
|
|
mv.Set(nil)
|
|
if m != nil {
|
|
t.Errorf("mv.Set(nil) failed")
|
|
}
|
|
}
|
|
|
|
func TestChan(t *testing.T) {
|
|
for loop := 0; loop < 2; loop++ {
|
|
var c chan int
|
|
var cv *ChanValue
|
|
|
|
// check both ways to allocate channels
|
|
switch loop {
|
|
case 1:
|
|
c = make(chan int, 1)
|
|
cv = NewValue(c).(*ChanValue)
|
|
case 0:
|
|
cv = MakeChan(Typeof(c).(*ChanType), 1)
|
|
c = cv.Interface().(chan int)
|
|
}
|
|
|
|
// Send
|
|
cv.Send(NewValue(2))
|
|
if i := <-c; i != 2 {
|
|
t.Errorf("reflect Send 2, native recv %d", i)
|
|
}
|
|
|
|
// Recv
|
|
c <- 3
|
|
if i, ok := cv.Recv(); i.(*IntValue).Get() != 3 || !ok {
|
|
t.Errorf("native send 3, reflect Recv %d, %t", i.(*IntValue).Get(), ok)
|
|
}
|
|
|
|
// TryRecv fail
|
|
val, ok := cv.TryRecv()
|
|
if val != nil || ok {
|
|
t.Errorf("TryRecv on empty chan: %s, %t", valueToString(val), ok)
|
|
}
|
|
|
|
// TryRecv success
|
|
c <- 4
|
|
val, ok = cv.TryRecv()
|
|
if val == nil {
|
|
t.Errorf("TryRecv on ready chan got nil")
|
|
} else if i := val.(*IntValue).Get(); i != 4 || !ok {
|
|
t.Errorf("native send 4, TryRecv %d, %t", i, ok)
|
|
}
|
|
|
|
// TrySend fail
|
|
c <- 100
|
|
ok = cv.TrySend(NewValue(5))
|
|
i := <-c
|
|
if ok {
|
|
t.Errorf("TrySend on full chan succeeded: value %d", i)
|
|
}
|
|
|
|
// TrySend success
|
|
ok = cv.TrySend(NewValue(6))
|
|
if !ok {
|
|
t.Errorf("TrySend on empty chan failed")
|
|
} else {
|
|
if i = <-c; i != 6 {
|
|
t.Errorf("TrySend 6, recv %d", i)
|
|
}
|
|
}
|
|
|
|
// Close
|
|
c <- 123
|
|
cv.Close()
|
|
if i, ok := cv.Recv(); i.(*IntValue).Get() != 123 || !ok {
|
|
t.Errorf("send 123 then close; Recv %d, %t", i.(*IntValue).Get(), ok)
|
|
}
|
|
if i, ok := cv.Recv(); i.(*IntValue).Get() != 0 || ok {
|
|
t.Errorf("after close Recv %d, %t", i.(*IntValue).Get(), ok)
|
|
}
|
|
}
|
|
|
|
// check creation of unbuffered channel
|
|
var c chan int
|
|
cv := MakeChan(Typeof(c).(*ChanType), 0)
|
|
c = cv.Interface().(chan int)
|
|
if cv.TrySend(NewValue(7)) {
|
|
t.Errorf("TrySend on sync chan succeeded")
|
|
}
|
|
if v, ok := cv.TryRecv(); v != nil || ok {
|
|
t.Errorf("TryRecv on sync chan succeeded")
|
|
}
|
|
|
|
// len/cap
|
|
cv = MakeChan(Typeof(c).(*ChanType), 10)
|
|
c = cv.Interface().(chan int)
|
|
for i := 0; i < 3; i++ {
|
|
c <- i
|
|
}
|
|
if l, m := cv.Len(), cv.Cap(); l != len(c) || m != cap(c) {
|
|
t.Errorf("Len/Cap = %d/%d want %d/%d", l, m, len(c), cap(c))
|
|
}
|
|
|
|
}
|
|
|
|
// Difficult test for function call because of
|
|
// implicit padding between arguments.
|
|
func dummy(b byte, c int, d byte) (i byte, j int, k byte) {
|
|
return b, c, d
|
|
}
|
|
|
|
func TestFunc(t *testing.T) {
|
|
ret := NewValue(dummy).(*FuncValue).Call([]Value{NewValue(byte(10)), NewValue(20), NewValue(byte(30))})
|
|
if len(ret) != 3 {
|
|
t.Fatalf("Call returned %d values, want 3", len(ret))
|
|
}
|
|
|
|
i := ret[0].(*UintValue).Get()
|
|
j := ret[1].(*IntValue).Get()
|
|
k := ret[2].(*UintValue).Get()
|
|
if i != 10 || j != 20 || k != 30 {
|
|
t.Errorf("Call returned %d, %d, %d; want 10, 20, 30", i, j, k)
|
|
}
|
|
}
|
|
|
|
type Point struct {
|
|
x, y int
|
|
}
|
|
|
|
func (p Point) Dist(scale int) int { return p.x*p.x*scale + p.y*p.y*scale }
|
|
|
|
func TestMethod(t *testing.T) {
|
|
// Non-curried method of type.
|
|
p := Point{3, 4}
|
|
i := Typeof(p).Method(0).Func.Call([]Value{NewValue(p), NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Type Method returned %d; want 250", i)
|
|
}
|
|
|
|
i = Typeof(&p).Method(0).Func.Call([]Value{NewValue(&p), NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Pointer Type Method returned %d; want 250", i)
|
|
}
|
|
|
|
// Curried method of value.
|
|
i = NewValue(p).Method(0).Call([]Value{NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Value Method returned %d; want 250", i)
|
|
}
|
|
|
|
// Curried method of pointer.
|
|
i = NewValue(&p).Method(0).Call([]Value{NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Value Method returned %d; want 250", i)
|
|
}
|
|
|
|
// Curried method of pointer to value.
|
|
i = NewValue(p).Addr().Method(0).Call([]Value{NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Value Method returned %d; want 250", i)
|
|
}
|
|
|
|
// Curried method of interface value.
|
|
// Have to wrap interface value in a struct to get at it.
|
|
// Passing it to NewValue directly would
|
|
// access the underlying Point, not the interface.
|
|
var s = struct {
|
|
x interface {
|
|
Dist(int) int
|
|
}
|
|
}{p}
|
|
pv := NewValue(s).(*StructValue).Field(0)
|
|
i = pv.Method(0).Call([]Value{NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Interface Method returned %d; want 250", i)
|
|
}
|
|
}
|
|
|
|
func TestInterfaceSet(t *testing.T) {
|
|
p := &Point{3, 4}
|
|
|
|
var s struct {
|
|
I interface{}
|
|
P interface {
|
|
Dist(int) int
|
|
}
|
|
}
|
|
sv := NewValue(&s).(*PtrValue).Elem().(*StructValue)
|
|
sv.Field(0).(*InterfaceValue).Set(NewValue(p))
|
|
if q := s.I.(*Point); q != p {
|
|
t.Errorf("i: have %p want %p", q, p)
|
|
}
|
|
|
|
pv := sv.Field(1).(*InterfaceValue)
|
|
pv.Set(NewValue(p))
|
|
if q := s.P.(*Point); q != p {
|
|
t.Errorf("i: have %p want %p", q, p)
|
|
}
|
|
|
|
i := pv.Method(0).Call([]Value{NewValue(10)})[0].(*IntValue).Get()
|
|
if i != 250 {
|
|
t.Errorf("Interface Method returned %d; want 250", i)
|
|
}
|
|
}
|
|
|
|
type T1 struct {
|
|
a string
|
|
int
|
|
}
|
|
|
|
func TestAnonymousFields(t *testing.T) {
|
|
var field StructField
|
|
var ok bool
|
|
var t1 T1
|
|
type1 := Typeof(t1).(*StructType)
|
|
if field, ok = type1.FieldByName("int"); !ok {
|
|
t.Error("no field 'int'")
|
|
}
|
|
if field.Index[0] != 1 {
|
|
t.Error("field index should be 1; is", field.Index)
|
|
}
|
|
}
|
|
|
|
type FTest struct {
|
|
s interface{}
|
|
name string
|
|
index []int
|
|
value int
|
|
}
|
|
|
|
type D1 struct {
|
|
d int
|
|
}
|
|
type D2 struct {
|
|
d int
|
|
}
|
|
|
|
type S0 struct {
|
|
a, b, c int
|
|
D1
|
|
D2
|
|
}
|
|
|
|
type S1 struct {
|
|
b int
|
|
S0
|
|
}
|
|
|
|
type S2 struct {
|
|
a int
|
|
*S1
|
|
}
|
|
|
|
type S1x struct {
|
|
S1
|
|
}
|
|
|
|
type S1y struct {
|
|
S1
|
|
}
|
|
|
|
type S3 struct {
|
|
S1x
|
|
S2
|
|
d, e int
|
|
*S1y
|
|
}
|
|
|
|
type S4 struct {
|
|
*S4
|
|
a int
|
|
}
|
|
|
|
var fieldTests = []FTest{
|
|
{struct{}{}, "", nil, 0},
|
|
{struct{}{}, "foo", nil, 0},
|
|
{S0{a: 'a'}, "a", []int{0}, 'a'},
|
|
{S0{}, "d", nil, 0},
|
|
{S1{S0: S0{a: 'a'}}, "a", []int{1, 0}, 'a'},
|
|
{S1{b: 'b'}, "b", []int{0}, 'b'},
|
|
{S1{}, "S0", []int{1}, 0},
|
|
{S1{S0: S0{c: 'c'}}, "c", []int{1, 2}, 'c'},
|
|
{S2{a: 'a'}, "a", []int{0}, 'a'},
|
|
{S2{}, "S1", []int{1}, 0},
|
|
{S2{S1: &S1{b: 'b'}}, "b", []int{1, 0}, 'b'},
|
|
{S2{S1: &S1{S0: S0{c: 'c'}}}, "c", []int{1, 1, 2}, 'c'},
|
|
{S2{}, "d", nil, 0},
|
|
{S3{}, "S1", nil, 0},
|
|
{S3{S2: S2{a: 'a'}}, "a", []int{1, 0}, 'a'},
|
|
{S3{}, "b", nil, 0},
|
|
{S3{d: 'd'}, "d", []int{2}, 0},
|
|
{S3{e: 'e'}, "e", []int{3}, 'e'},
|
|
{S4{a: 'a'}, "a", []int{1}, 'a'},
|
|
{S4{}, "b", nil, 0},
|
|
}
|
|
|
|
func TestFieldByIndex(t *testing.T) {
|
|
for _, test := range fieldTests {
|
|
s := Typeof(test.s).(*StructType)
|
|
f := s.FieldByIndex(test.index)
|
|
if f.Name != "" {
|
|
if test.index != nil {
|
|
if f.Name != test.name {
|
|
t.Errorf("%s.%s found; want %s", s.Name(), f.Name, test.name)
|
|
}
|
|
} else {
|
|
t.Errorf("%s.%s found", s.Name(), f.Name)
|
|
}
|
|
} else if len(test.index) > 0 {
|
|
t.Errorf("%s.%s not found", s.Name(), test.name)
|
|
}
|
|
|
|
if test.value != 0 {
|
|
v := NewValue(test.s).(*StructValue).FieldByIndex(test.index)
|
|
if v != nil {
|
|
if x, ok := v.Interface().(int); ok {
|
|
if x != test.value {
|
|
t.Errorf("%s%v is %d; want %d", s.Name(), test.index, x, test.value)
|
|
}
|
|
} else {
|
|
t.Errorf("%s%v value not an int", s.Name(), test.index)
|
|
}
|
|
} else {
|
|
t.Errorf("%s%v value not found", s.Name(), test.index)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFieldByName(t *testing.T) {
|
|
for _, test := range fieldTests {
|
|
s := Typeof(test.s).(*StructType)
|
|
f, found := s.FieldByName(test.name)
|
|
if found {
|
|
if test.index != nil {
|
|
// Verify field depth and index.
|
|
if len(f.Index) != len(test.index) {
|
|
t.Errorf("%s.%s depth %d; want %d", s.Name(), test.name, len(f.Index), len(test.index))
|
|
} else {
|
|
for i, x := range f.Index {
|
|
if x != test.index[i] {
|
|
t.Errorf("%s.%s.Index[%d] is %d; want %d", s.Name(), test.name, i, x, test.index[i])
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
t.Errorf("%s.%s found", s.Name(), f.Name)
|
|
}
|
|
} else if len(test.index) > 0 {
|
|
t.Errorf("%s.%s not found", s.Name(), test.name)
|
|
}
|
|
|
|
if test.value != 0 {
|
|
v := NewValue(test.s).(*StructValue).FieldByName(test.name)
|
|
if v != nil {
|
|
if x, ok := v.Interface().(int); ok {
|
|
if x != test.value {
|
|
t.Errorf("%s.%s is %d; want %d", s.Name(), test.name, x, test.value)
|
|
}
|
|
} else {
|
|
t.Errorf("%s.%s value not an int", s.Name(), test.name)
|
|
}
|
|
} else {
|
|
t.Errorf("%s.%s value not found", s.Name(), test.name)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestImportPath(t *testing.T) {
|
|
if path := Typeof(vector.Vector{}).PkgPath(); path != "libgo_container.vector" {
|
|
t.Errorf("Typeof(vector.Vector{}).PkgPath() = %q, want \"libgo_container.vector\"", path)
|
|
}
|
|
}
|
|
|
|
func TestDotDotDot(t *testing.T) {
|
|
// Test example from FuncType.DotDotDot documentation.
|
|
var f func(x int, y ...float64)
|
|
typ := Typeof(f).(*FuncType)
|
|
if typ.NumIn() == 2 && typ.In(0) == Typeof(int(0)) {
|
|
sl, ok := typ.In(1).(*SliceType)
|
|
if ok {
|
|
if sl.Elem() == Typeof(0.0) {
|
|
// ok
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// Failed
|
|
t.Errorf("want NumIn() = 2, In(0) = int, In(1) = []float64")
|
|
s := fmt.Sprintf("have NumIn() = %d", typ.NumIn())
|
|
for i := 0; i < typ.NumIn(); i++ {
|
|
s += fmt.Sprintf(", In(%d) = %s", i, typ.In(i))
|
|
}
|
|
t.Error(s)
|
|
}
|
|
|
|
type inner struct {
|
|
x int
|
|
}
|
|
|
|
type outer struct {
|
|
y int
|
|
inner
|
|
}
|
|
|
|
func (*inner) m() {}
|
|
func (*outer) m() {}
|
|
|
|
func TestNestedMethods(t *testing.T) {
|
|
typ := Typeof((*outer)(nil))
|
|
if typ.NumMethod() != 1 || typ.Method(0).Func.Get() != NewValue((*outer).m).(*FuncValue).Get() {
|
|
t.Errorf("Wrong method table for outer: (m=%p)", (*outer).m)
|
|
for i := 0; i < typ.NumMethod(); i++ {
|
|
m := typ.Method(i)
|
|
t.Errorf("\t%d: %s %#x\n", i, m.Name, m.Func.Get())
|
|
}
|
|
}
|
|
}
|
|
|
|
type innerInt struct {
|
|
x int
|
|
}
|
|
|
|
type outerInt struct {
|
|
y int
|
|
innerInt
|
|
}
|
|
|
|
func (i *innerInt) m() int {
|
|
return i.x
|
|
}
|
|
|
|
func TestEmbeddedMethods(t *testing.T) {
|
|
typ := Typeof((*outerInt)(nil))
|
|
if typ.NumMethod() != 1 || typ.Method(0).Func.Get() != NewValue((*outerInt).m).(*FuncValue).Get() {
|
|
t.Errorf("Wrong method table for outerInt: (m=%p)", (*outerInt).m)
|
|
for i := 0; i < typ.NumMethod(); i++ {
|
|
m := typ.Method(i)
|
|
t.Errorf("\t%d: %s %#x\n", i, m.Name, m.Func.Get())
|
|
}
|
|
}
|
|
|
|
i := &innerInt{3}
|
|
if v := NewValue(i).Method(0).Call(nil)[0].(*IntValue).Get(); v != 3 {
|
|
t.Errorf("i.m() = %d, want 3", v)
|
|
}
|
|
|
|
o := &outerInt{1, innerInt{2}}
|
|
if v := NewValue(o).Method(0).Call(nil)[0].(*IntValue).Get(); v != 2 {
|
|
t.Errorf("i.m() = %d, want 2", v)
|
|
}
|
|
|
|
f := (*outerInt).m
|
|
if v := f(o); v != 2 {
|
|
t.Errorf("f(o) = %d, want 2", v)
|
|
}
|
|
}
|
|
|
|
func TestPtrTo(t *testing.T) {
|
|
var i int
|
|
|
|
typ := Typeof(i)
|
|
for i = 0; i < 100; i++ {
|
|
typ = PtrTo(typ)
|
|
}
|
|
for i = 0; i < 100; i++ {
|
|
typ = typ.(*PtrType).Elem()
|
|
}
|
|
if typ != Typeof(i) {
|
|
t.Errorf("after 100 PtrTo and Elem, have %s, want %s", typ, Typeof(i))
|
|
}
|
|
}
|
|
|
|
func TestAddr(t *testing.T) {
|
|
var p struct {
|
|
X, Y int
|
|
}
|
|
|
|
v := NewValue(&p)
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.Addr()
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.(*StructValue).Field(0)
|
|
v.(*IntValue).Set(2)
|
|
if p.X != 2 {
|
|
t.Errorf("Addr.Elem.Set failed to set value")
|
|
}
|
|
|
|
// Again but take address of the NewValue value.
|
|
// Exercises generation of PtrTypes not present in the binary.
|
|
v = NewValue(&p)
|
|
v = v.Addr()
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.Addr()
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.(*StructValue).Field(0)
|
|
v.(*IntValue).Set(3)
|
|
if p.X != 3 {
|
|
t.Errorf("Addr.Elem.Set failed to set value")
|
|
}
|
|
|
|
// Starting without pointer we should get changed value
|
|
// in interface.
|
|
v = NewValue(p)
|
|
v0 := v
|
|
v = v.Addr()
|
|
v = v.(*PtrValue).Elem()
|
|
v = v.(*StructValue).Field(0)
|
|
v.(*IntValue).Set(4)
|
|
if p.X != 3 { // should be unchanged from last time
|
|
t.Errorf("somehow value Set changed original p")
|
|
}
|
|
p = v0.Interface().(struct {
|
|
X, Y int
|
|
})
|
|
if p.X != 4 {
|
|
t.Errorf("Addr.Elem.Set valued to set value in top value")
|
|
}
|
|
}
|