| // Copyright 2012 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 method expressions with arguments. |
| |
| package main |
| |
| import "./method4a" |
| |
| type T1 int |
| |
| type T2 struct { |
| f int |
| } |
| |
| type I1 interface { |
| Sum([]int, int) int |
| } |
| |
| type I2 interface { |
| Sum(a []int, b int) int |
| } |
| |
| func (i T1) Sum(a []int, b int) int { |
| r := int(i) + b |
| for _, v := range a { |
| r += v |
| } |
| return r |
| } |
| |
| func (p *T2) Sum(a []int, b int) int { |
| r := p.f + b |
| for _, v := range a { |
| r += v |
| } |
| return r |
| } |
| |
| func eq(v1, v2 int) { |
| if v1 != v2 { |
| panic(0) |
| } |
| } |
| |
| func main() { |
| a := []int{1, 2, 3} |
| t1 := T1(4) |
| t2 := &T2{4} |
| |
| eq(t1.Sum(a, 5), 15) |
| eq(t2.Sum(a, 6), 16) |
| |
| eq(T1.Sum(t1, a, 7), 17) |
| eq((*T2).Sum(t2, a, 8), 18) |
| |
| f1 := T1.Sum |
| eq(f1(t1, a, 9), 19) |
| f2 := (*T2).Sum |
| eq(f2(t2, a, 10), 20) |
| |
| eq(I1.Sum(t1, a, 11), 21) |
| eq(I1.Sum(t2, a, 12), 22) |
| |
| f3 := I1.Sum |
| eq(f3(t1, a, 13), 23) |
| eq(f3(t2, a, 14), 24) |
| |
| eq(I2.Sum(t1, a, 15), 25) |
| eq(I2.Sum(t2, a, 16), 26) |
| |
| f4 := I2.Sum |
| eq(f4(t1, a, 17), 27) |
| eq(f4(t2, a, 18), 28) |
| |
| // issue 6723 |
| f5 := (interface { |
| I2 |
| }).Sum |
| eq(f5(t1, a, 19), 29) |
| eq(f5(t2, a, 20), 30) |
| |
| mt1 := method4a.T1(4) |
| mt2 := &method4a.T2{4} |
| |
| eq(mt1.Sum(a, 30), 40) |
| eq(mt2.Sum(a, 31), 41) |
| |
| eq(method4a.T1.Sum(mt1, a, 32), 42) |
| eq((*method4a.T2).Sum(mt2, a, 33), 43) |
| |
| g1 := method4a.T1.Sum |
| eq(g1(mt1, a, 34), 44) |
| g2 := (*method4a.T2).Sum |
| eq(g2(mt2, a, 35), 45) |
| |
| eq(method4a.I1.Sum(mt1, a, 36), 46) |
| eq(method4a.I1.Sum(mt2, a, 37), 47) |
| |
| g3 := method4a.I1.Sum |
| eq(g3(mt1, a, 38), 48) |
| eq(g3(mt2, a, 39), 49) |
| |
| eq(method4a.I2.Sum(mt1, a, 40), 50) |
| eq(method4a.I2.Sum(mt2, a, 41), 51) |
| |
| g4 := method4a.I2.Sum |
| eq(g4(mt1, a, 42), 52) |
| eq(g4(mt2, a, 43), 53) |
| } |