| 1 | // This interpreter test is designed to test the test copy of DeepEqual. |
|---|---|
| 2 | // |
| 3 | // Validate this file with 'go run' after editing. |
| 4 | |
| 5 | package main |
| 6 | |
| 7 | import "reflect" |
| 8 | |
| 9 | func assert(cond bool) { |
| 10 | if !cond { |
| 11 | panic("failed") |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | type X int |
| 16 | type Y struct { |
| 17 | y *Y |
| 18 | z [3]int |
| 19 | } |
| 20 | |
| 21 | var ( |
| 22 | a = []int{0, 1, 2, 3} |
| 23 | b = []X{0, 1, 2, 3} |
| 24 | c = map[int]string{0: "zero", 1: "one"} |
| 25 | d = map[X]string{0: "zero", 1: "one"} |
| 26 | e = &Y{} |
| 27 | f = (*Y)(nil) |
| 28 | g = &Y{y: e} |
| 29 | h *Y |
| 30 | ) |
| 31 | |
| 32 | func init() { |
| 33 | h = &Y{} // h->h |
| 34 | h.y = h |
| 35 | } |
| 36 | |
| 37 | func main() { |
| 38 | assert(reflect.DeepEqual(nil, nil)) |
| 39 | assert(reflect.DeepEqual((*int)(nil), (*int)(nil))) |
| 40 | assert(!reflect.DeepEqual(nil, (*int)(nil))) |
| 41 | |
| 42 | assert(reflect.DeepEqual(0, 0)) |
| 43 | assert(!reflect.DeepEqual(0, int64(0))) |
| 44 | |
| 45 | assert(!reflect.DeepEqual("", 0)) |
| 46 | |
| 47 | assert(reflect.DeepEqual(a, []int{0, 1, 2, 3})) |
| 48 | assert(!reflect.DeepEqual(a, []int{0, 1, 2})) |
| 49 | assert(!reflect.DeepEqual(a, []int{0, 1, 0, 3})) |
| 50 | |
| 51 | assert(reflect.DeepEqual(b, []X{0, 1, 2, 3})) |
| 52 | assert(!reflect.DeepEqual(b, []X{0, 1, 0, 3})) |
| 53 | |
| 54 | assert(reflect.DeepEqual(c, map[int]string{0: "zero", 1: "one"})) |
| 55 | assert(!reflect.DeepEqual(c, map[int]string{0: "zero", 1: "one", 2: "two"})) |
| 56 | assert(!reflect.DeepEqual(c, map[int]string{1: "one", 2: "two"})) |
| 57 | assert(!reflect.DeepEqual(c, map[int]string{1: "one"})) |
| 58 | |
| 59 | assert(reflect.DeepEqual(d, map[X]string{0: "zero", 1: "one"})) |
| 60 | assert(!reflect.DeepEqual(d, map[int]string{0: "zero", 1: "one"})) |
| 61 | |
| 62 | assert(reflect.DeepEqual(e, &Y{})) |
| 63 | assert(reflect.DeepEqual(e, &Y{z: [3]int{0, 0, 0}})) |
| 64 | assert(!reflect.DeepEqual(e, &Y{z: [3]int{0, 1, 0}})) |
| 65 | |
| 66 | assert(reflect.DeepEqual(f, (*Y)(nil))) |
| 67 | assert(!reflect.DeepEqual(f, nil)) |
| 68 | |
| 69 | // eq_h -> eq_h. Pointer structure and elements are equal so DeepEqual. |
| 70 | eq_h := &Y{} |
| 71 | eq_h.y = eq_h |
| 72 | assert(reflect.DeepEqual(h, eq_h)) |
| 73 | |
| 74 | // deepeq_h->h->h. Pointed to elem of (deepeq_h, h) are (h,h). (h,h) are deep equal so h and deepeq_h are DeepEqual. |
| 75 | deepeq_h := &Y{} |
| 76 | deepeq_h.y = h |
| 77 | assert(reflect.DeepEqual(h, deepeq_h)) |
| 78 | |
| 79 | distinct := []interface{}{a, b, c, d, e, f, g, h} |
| 80 | for x := range distinct { |
| 81 | for y := range distinct { |
| 82 | assert((x == y) == reflect.DeepEqual(distinct[x], distinct[y])) |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | // anonymous struct types. |
| 87 | assert(reflect.DeepEqual(struct{}{}, struct{}{})) |
| 88 | assert(reflect.DeepEqual(struct{ x int }{1}, struct{ x int }{1})) |
| 89 | assert(!reflect.DeepEqual(struct{ x int }{}, struct{ x int }{5})) |
| 90 | assert(!reflect.DeepEqual(struct{ x, y int }{0, 1}, struct{ x int }{0})) |
| 91 | assert(reflect.DeepEqual(struct{ x, y int }{2, 3}, struct{ x, y int }{2, 3})) |
| 92 | assert(!reflect.DeepEqual(struct{ x, y int }{4, 5}, struct{ x, y int }{4, 6})) |
| 93 | } |
| 94 |
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