mirror of
https://github.com/golang/go
synced 2024-11-22 21:50:03 -07:00
1c1096ea31
Details: - reorder.go: delete p8. (Once expectation is changed per b/4627 it is identical to p1.) - switch.go: added some more (degenerate) switches. - range.go: improved error messages in a few cases. - method.go: added tests of calls to promoted methods. R=iant CC=golang-dev https://golang.org/cl/7306087
115 lines
1.5 KiB
Go
115 lines
1.5 KiB
Go
// run
|
|
|
|
// Copyright 2011 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 reordering of assignments.
|
|
|
|
package main
|
|
|
|
import "fmt"
|
|
|
|
func main() {
|
|
p1()
|
|
p2()
|
|
p3()
|
|
p4()
|
|
p5()
|
|
p6()
|
|
p7()
|
|
p8()
|
|
}
|
|
|
|
var gx []int
|
|
|
|
func f(i int) int {
|
|
return gx[i]
|
|
}
|
|
|
|
func check(x []int, x0, x1, x2 int) {
|
|
if x[0] != x0 || x[1] != x1 || x[2] != x2 {
|
|
fmt.Printf("%v, want %d,%d,%d\n", x, x0, x1, x2)
|
|
panic("failed")
|
|
}
|
|
}
|
|
|
|
func check3(x, y, z, xx, yy, zz int) {
|
|
if x != xx || y != yy || z != zz {
|
|
fmt.Printf("%d,%d,%d, want %d,%d,%d\n", x, y, z, xx, yy, zz)
|
|
panic("failed")
|
|
}
|
|
}
|
|
|
|
func p1() {
|
|
x := []int{1, 2, 3}
|
|
i := 0
|
|
i, x[i] = 1, 100
|
|
_ = i
|
|
check(x, 100, 2, 3)
|
|
}
|
|
|
|
func p2() {
|
|
x := []int{1, 2, 3}
|
|
i := 0
|
|
x[i], i = 100, 1
|
|
_ = i
|
|
check(x, 100, 2, 3)
|
|
}
|
|
|
|
func p3() {
|
|
x := []int{1, 2, 3}
|
|
y := x
|
|
gx = x
|
|
x[1], y[0] = f(0), f(1)
|
|
check(x, 2, 1, 3)
|
|
}
|
|
|
|
func p4() {
|
|
x := []int{1, 2, 3}
|
|
y := x
|
|
gx = x
|
|
x[1], y[0] = gx[0], gx[1]
|
|
check(x, 2, 1, 3)
|
|
}
|
|
|
|
func p5() {
|
|
x := []int{1, 2, 3}
|
|
y := x
|
|
p := &x[0]
|
|
q := &x[1]
|
|
*p, *q = x[1], y[0]
|
|
check(x, 2, 1, 3)
|
|
}
|
|
|
|
func p6() {
|
|
x := 1
|
|
y := 2
|
|
z := 3
|
|
px := &x
|
|
py := &y
|
|
*px, *py = y, x
|
|
check3(x, y, z, 2, 1, 3)
|
|
}
|
|
|
|
func f1(x, y, z int) (xx, yy, zz int) {
|
|
return x, y, z
|
|
}
|
|
|
|
func f2() (x, y, z int) {
|
|
return f1(2, 1, 3)
|
|
}
|
|
|
|
func p7() {
|
|
x, y, z := f2()
|
|
check3(x, y, z, 2, 1, 3)
|
|
}
|
|
|
|
func p8() {
|
|
m := make(map[int]int)
|
|
m[0] = len(m)
|
|
if m[0] != 0 {
|
|
panic(m[0])
|
|
}
|
|
}
|