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https://github.com/golang/go
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112 lines
1.7 KiB
Go
112 lines
1.7 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test method expressions with arguments.
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package main
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import "./method4a"
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type T1 int
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type T2 struct {
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f int
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}
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type I1 interface {
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Sum([]int, int) int
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}
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type I2 interface {
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Sum(a []int, b int) int
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}
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func (i T1) Sum(a []int, b int) int {
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r := int(i) + b
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for _, v := range a {
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r += v
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}
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return r
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}
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func (p *T2) Sum(a []int, b int) int {
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r := p.f + b
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for _, v := range a {
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r += v
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}
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return r
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}
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func eq(v1, v2 int) {
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if v1 != v2 {
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panic(0)
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}
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}
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func main() {
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a := []int{1, 2, 3}
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t1 := T1(4)
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t2 := &T2{4}
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eq(t1.Sum(a, 5), 15)
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eq(t2.Sum(a, 6), 16)
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eq(T1.Sum(t1, a, 7), 17)
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eq((*T2).Sum(t2, a, 8), 18)
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f1 := T1.Sum
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eq(f1(t1, a, 9), 19)
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f2 := (*T2).Sum
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eq(f2(t2, a, 10), 20)
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eq(I1.Sum(t1, a, 11), 21)
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eq(I1.Sum(t2, a, 12), 22)
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f3 := I1.Sum
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eq(f3(t1, a, 13), 23)
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eq(f3(t2, a, 14), 24)
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eq(I2.Sum(t1, a, 15), 25)
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eq(I2.Sum(t2, a, 16), 26)
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f4 := I2.Sum
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eq(f4(t1, a, 17), 27)
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eq(f4(t2, a, 18), 28)
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// issue 6723
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f5 := (interface {
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I2
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}).Sum
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eq(f5(t1, a, 19), 29)
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eq(f5(t2, a, 20), 30)
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mt1 := method4a.T1(4)
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mt2 := &method4a.T2{4}
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eq(mt1.Sum(a, 30), 40)
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eq(mt2.Sum(a, 31), 41)
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eq(method4a.T1.Sum(mt1, a, 32), 42)
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eq((*method4a.T2).Sum(mt2, a, 33), 43)
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g1 := method4a.T1.Sum
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eq(g1(mt1, a, 34), 44)
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g2 := (*method4a.T2).Sum
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eq(g2(mt2, a, 35), 45)
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eq(method4a.I1.Sum(mt1, a, 36), 46)
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eq(method4a.I1.Sum(mt2, a, 37), 47)
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g3 := method4a.I1.Sum
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eq(g3(mt1, a, 38), 48)
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eq(g3(mt2, a, 39), 49)
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eq(method4a.I2.Sum(mt1, a, 40), 50)
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eq(method4a.I2.Sum(mt2, a, 41), 51)
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g4 := method4a.I2.Sum
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eq(g4(mt1, a, 42), 52)
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eq(g4(mt2, a, 43), 53)
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}
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