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| // run
|
| // 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.
|
| // Test interfaces on basic types.
|
| package main
|
| type myint int
| type mystring string
| type I0 interface{}
|
| func f() {
| var ia, ib I0
| var i myint
| var s mystring
|
| if ia != ib {
| panic("1")
| }
|
| i = 1
| ia = i
| ib = i
| if ia != ib {
| panic("2")
| }
| if ia == nil {
| panic("3")
| }
|
| i = 2
| ia = i
| if ia == ib {
| panic("4")
| }
|
| ia = nil
| if ia == ib {
| panic("5")
| }
|
| ib = nil
| if ia != ib {
| panic("6")
| }
|
| if ia != nil {
| panic("7")
| }
|
| s = "abc"
| ia = s
| ib = nil
| if ia == ib {
| panic("8")
| }
|
| s = "def"
| ib = s
| if ia == ib {
| panic("9")
| }
|
| s = "abc"
| ib = s
| if ia != ib {
| panic("a")
| }
| }
|
| func main() {
| var ia [20]I0
| var b bool
| var s string
| var i8 int8
| var i16 int16
| var i32 int32
| var i64 int64
| var u8 uint8
| var u16 uint16
| var u32 uint32
| var u64 uint64
|
| f()
|
| ia[0] = "xxx"
| ia[1] = 12345
| ia[2] = true
|
| s = "now is"
| ia[3] = s
| b = false
| ia[4] = b
|
| i8 = 29
| ia[5] = i8
| i16 = 994
| ia[6] = i16
| i32 = 3434
| ia[7] = i32
| i64 = 1234567
| ia[8] = i64
|
| u8 = 12
| ia[9] = u8
| u16 = 799
| ia[10] = u16
| u32 = 4455
| ia[11] = u32
| u64 = 765432
| ia[12] = u64
|
| s = ia[0].(string)
| if s != "xxx" {
| println(0, s)
| panic("fail")
| }
| i32 = int32(ia[1].(int))
| if i32 != 12345 {
| println(1, i32)
| panic("fail")
| }
| b = ia[2].(bool)
| if b != true {
| println(2, b)
| panic("fail")
| }
|
| s = ia[3].(string)
| if s != "now is" {
| println(3, s)
| panic("fail")
| }
| b = ia[4].(bool)
| if b != false {
| println(4, b)
| panic("fail")
| }
|
| i8 = ia[5].(int8)
| if i8 != 29 {
| println(5, i8)
| panic("fail")
| }
| i16 = ia[6].(int16)
| if i16 != 994 {
| println(6, i16)
| panic("fail")
| }
| i32 = ia[7].(int32)
| if i32 != 3434 {
| println(7, i32)
| panic("fail")
| }
| i64 = ia[8].(int64)
| if i64 != 1234567 {
| println(8, i64)
| panic("fail")
| }
|
| u8 = ia[9].(uint8)
| if u8 != 12 {
| println(5, u8)
| panic("fail")
| }
| u16 = ia[10].(uint16)
| if u16 != 799 {
| println(6, u16)
| panic("fail")
| }
| u32 = ia[11].(uint32)
| if u32 != 4455 {
| println(7, u32)
| panic("fail")
| }
| u64 = ia[12].(uint64)
| if u64 != 765432 {
| println(8, u64)
| panic("fail")
| }
| }
|
|
