3 // Copyright 2010 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.
7 // Test variadic functions and calls (dot-dot-dot).
11 func sum(args ...int) int {
13 for _, v := range args {
19 func sumC(args ...int) int { return func() int { return sum(args...) }() }
21 var sumD = func(args ...int) int { return sum(args...) }
23 var sumE = func() func(...int) int { return func(args ...int) int { return sum(args...) } }()
25 var sumF = func(args ...int) func() int { return func() int { return sum(args...) } }
27 func sumA(args []int) int {
29 for _, v := range args {
35 func sumB(args []int) int { return sum(args...) }
37 func sum2(args ...int) int { return 2 * sum(args...) }
39 func sum3(args ...int) int { return 3 * sumA(args) }
41 func sum4(args ...int) int { return 4 * sumB(args) }
43 func intersum(args ...interface{}) int {
45 for _, v := range args {
53 func ln(args ...T) int { return len(args) }
55 func ln2(args ...T) int { return 2 * ln(args...) }
57 func (*T) Sum(args ...int) int { return sum(args...) }
68 if x := sum(1, 2, 3); x != 6 {
72 if x := sum(); x != 0 {
76 if x := sum(10); x != 10 {
80 if x := sum(1, 8); x != 9 {
84 if x := sumC(4, 5, 6); x != 15 {
88 if x := sumD(4, 5, 7); x != 16 {
92 if x := sumE(4, 5, 8); x != 17 {
96 if x := sumF(4, 5, 9)(); x != 18 {
100 if x := sum2(1, 2, 3); x != 2*6 {
104 if x := sum2(); x != 2*0 {
108 if x := sum2(10); x != 2*10 {
112 if x := sum2(1, 8); x != 2*9 {
116 if x := sum3(1, 2, 3); x != 3*6 {
120 if x := sum3(); x != 3*0 {
124 if x := sum3(10); x != 3*10 {
128 if x := sum3(1, 8); x != 3*9 {
132 if x := sum4(1, 2, 3); x != 4*6 {
136 if x := sum4(); x != 4*0 {
140 if x := sum4(10); x != 4*10 {
144 if x := sum4(1, 8); x != 4*9 {
148 if x := intersum(1, 2, 3); x != 6 {
149 println("intersum 6", x)
152 if x := intersum(); x != 0 {
153 println("intersum 0", x)
156 if x := intersum(10); x != 10 {
157 println("intersum 10", x)
160 if x := intersum(1, 8); x != 9 {
161 println("intersum 9", x)
165 if x := ln(nil, nil, nil); x != 3 {
169 if x := ln([]T{}); x != 1 {
173 if x := ln2(nil, nil, nil); x != 2*3 {
177 if x := ln2([]T{}); x != 2*1 {
181 if x := ((*T)(nil)).Sum(1, 3, 5, 7); x != 16 {
182 println("(*T)(nil).Sum", x)
185 if x := (*T).Sum(nil, 1, 3, 5, 6); x != 15 {
186 println("(*T).Sum", x)
189 if x := (&U{}).Sum(1, 3, 5, 5); x != 14 {
190 println("(&U{}).Sum", x)
194 if x := u.Sum(1, 3, 5, 4); x != 13 {
198 if x := (&u).Sum(1, 3, 5, 3); x != 12 {
199 println("(&u).Sum", x)
205 if x := i.Sum(2, 3, 5, 7); x != 17 {
206 println("i(=&u).Sum", x)
210 if x := i.Sum(2, 3, 5, 6); x != 16 {
211 println("i(=u).Sum", x)
218 if x := s.Sum(2, 3, 5, 8); x != 18 {
219 println("s{&u}.Sum", x)
222 if x := (*U).Sum(&U{}, 1, 3, 5, 2); x != 11 {
223 println("(*U).Sum", x)
226 if x := U.Sum(U{}, 1, 3, 5, 1); x != 10 {