1// run 2 3// Copyright 2009 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7// Test initialization of package-level variables. 8 9package main 10 11import ( 12 "fmt" 13 "reflect" 14) 15 16type S struct { 17 A, B, C, X, Y, Z int 18} 19 20type T struct { 21 S 22} 23 24var a1 = S{0, 0, 0, 1, 2, 3} 25var b1 = S{X: 1, Z: 3, Y: 2} 26 27var a2 = S{0, 0, 0, 0, 0, 0} 28var b2 = S{} 29 30var a3 = T{S{1, 2, 3, 0, 0, 0}} 31var b3 = T{S: S{A: 1, B: 2, C: 3}} 32 33var a4 = &[16]byte{0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0} 34var b4 = &[16]byte{4: 1, 1, 1, 1, 12: 1, 1} 35 36var a5 = &[16]byte{1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0} 37var b5 = &[16]byte{1, 4: 1, 1, 1, 1, 12: 1, 1} 38 39var a6 = &[16]byte{1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0} 40var b6 = &[...]byte{1, 4: 1, 1, 1, 1, 12: 1, 1, 0, 0} 41 42func f7(ch chan int) [2]chan int { return [2]chan int{ch, ch} } 43 44var a7 = f7(make(chan int)) 45 46func f8(m map[string]string) [2]map[string]string { return [2]map[string]string{m, m} } 47func m8(m [2]map[string]string) string { 48 m[0]["def"] = "ghi" 49 return m[1]["def"] 50} 51 52var a8 = f8(make(map[string]string)) 53var a9 = f8(map[string]string{"abc": "def"}) 54 55func f10(s *S) [2]*S { return [2]*S{s, s} } 56 57var a10 = f10(new(S)) 58var a11 = f10(&S{X: 1}) 59 60func f12(b []byte) [2][]byte { return [2][]byte{b, b} } 61 62var a12 = f12([]byte("hello")) 63var a13 = f12([]byte{1, 2, 3}) 64var a14 = f12(make([]byte, 1)) 65 66func f15(b []rune) [2][]rune { return [2][]rune{b, b} } 67 68var a15 = f15([]rune("hello")) 69var a16 = f15([]rune{1, 2, 3}) 70 71type Same struct { 72 a, b interface{} 73} 74 75var same = []Same{ 76 {a1, b1}, 77 {a2, b2}, 78 {a3, b3}, 79 {a4, b4}, 80 {a5, b5}, 81 {a6, b6}, 82 {a7[0] == a7[1], true}, 83 {m8(a8) == "ghi", true}, 84 {m8(a9) == "ghi", true}, 85 {a10[0] == a10[1], true}, 86 {a11[0] == a11[1], true}, 87 {&a12[0][0] == &a12[1][0], true}, 88 {&a13[0][0] == &a13[1][0], true}, 89 {&a14[0][0] == &a14[1][0], true}, 90 {&a15[0][0] == &a15[1][0], true}, 91 {&a16[0][0] == &a16[1][0], true}, 92} 93 94func main() { 95 ok := true 96 for i, s := range same { 97 if !reflect.DeepEqual(s.a, s.b) { 98 ok = false 99 fmt.Printf("#%d not same: %v and %v\n", i+1, s.a, s.b) 100 } 101 } 102 if !ok { 103 fmt.Println("BUG: test/initialize") 104 } 105} 106