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go/test/method4.go
Ian Lance Taylor 59e7a0295a test: test method expressions with parameters, and with import
The gccgo compiler had two different bugs triggered by this
test case.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5606052
2012-02-03 16:38:59 -08:00

107 lines
1.7 KiB
Go

// $G $D/method4a.go && $G $D/$F.go && $L $F.$A && ./$A.out
// 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)
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)
}